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an accessory for bicycles or tricycles for producing a motorcycle - like sound appealing to youngsters . the device being constructed of a strip of relatively hard but flexible material formed into a shape having : a flat region engaging the spokes of the bicycle wheel ; an &# 34 ; s &# 34 ; shaped region providing flexibility thereby allowing the flat region to move as the spokes impinge on it ; a semi - tubular region lined with a hook type fastener material for attaching to a fork element of the bicycle ; and a handle as an aid for spreading apart the semi - tubular region to attach the accessory to the fork element . | 1Performing Operations; Transporting
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a baseband receiver using a transition trigger and a method thereof are disclosed . the baseband receiver is provided in a radio frequency identification reader in order to receive a pulse amplitude modulation signal , and can improve a bit error rate performance by mapping transition waveforms generated whenever the received signal is triggered on new symbols , and filtering the new symbols to recover to the original symbols . since no complex and high performance dc drift estimator is required and dc drifts can stably be removed along with white noise among noise components , it is possible to improve ber . | 7Electricity
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a removable , washable , and frameless curtain comprising insect netting secured to a valance strip to act as a flying insect barrier when attached to fixed covered outdoor structures such as covered porches , porticos , gazebos and covered pergolas . | 4Fixed Constructions
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a received signal phase detecting circuit in provided in which the circuit scale is small . the circuit functions so as to capture a frame synchronizing signal from a demodulated baseband signal , extract a symbol stream during the period of frame synchronizing signal from the demodulated baseband signal through delay circuits at a timing matching the bit stream of the captured synchronizing signal , rotating the phase of a corresponding symbol extracted from the symbol stream when the big in the bit in the bit stream is logic “ 0 ” by 80 °, outputting the symbol after the phase rotation and a corresponding symbol extracted from the symbol stream when the bit in the bit stream is logic “ 1 ” from a 0 °/ 180 ° phase rotating circuit , operating the cumulative average of the output from the 0 °/ 180 ° phase rotating circuit for a specific period through cumulative averaging circuits , rotating the phase of the outputs therefrom through a 22 . 5 ° phase rotating circuit , and determining the phase of the output therefrom by a phase determining circuit . | 7Electricity
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a method of using a plastic extruder equipped with an extrusion die and a gloss controlling auxiliary die to produce an extrudate of polymeric material having controlled gloss appearance comprising the steps of first extruding an extrudate of polymeric material through the extrusion die and then passing the extrudate immediately after exiting from the extrusion die through a gloss controlling auxiliary die which is kept at a temperature either higher or lower than the temperature of the extrusion die . | 1Performing Operations; Transporting
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a dock leveler and installation thereof having a bumper assembly to protect the deck and the lip of the leveler . in one embodiment the dock leveler comprises a pivotable deck and a lip attached to the deck at one end thereof . a bumper is operably connected to the deck and moveable with the deck . the bumper is selectively moveable to protrude beyond the end of the deck to protect the dock leveler from impact . in another embodiment a dock leveler installation comprises a loading dock having a front face . a dock leveler is mounted at the loading dock and has a pivotable deck and a lip attached to the deck at one end thereof . a bumper is operably connected to the front face beneath the dock leveler and projecting in front of the lip when the lip is in a pendent position . | 1Performing Operations; Transporting
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in order to increase the generation efficiency of a silicon dioxide solar cell , two conductive substrates are arranged so that the conductive surfaces thereof face each other , at least one of the substrates is disposed upon the substrate facing the light entry - side substrate , and an electrolyte is filled between the silicon dioxide particles compact and the light entry - side substrate . silicon dioxide solar cells having this configuration exhibit a significantly increased short circuit current and open circuit voltage in comparison to solar cells in which the silicon dioxide and the electrolyte are mixed . this configuration can further be improved by disposing a titanium dioxide solar cell or a dye - sensitized titanium dioxide solar cell upon the light entry - side substrate to further increase the short circuit current and the open circuit voltage . | 7Electricity
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in a bandwidth - limiting apparatus , control is performed of the oscillation frequencies of each of three local oscillators of three intermediate - frequency circuits , and the passband is limited by adjusting the width of and shifting the if , the intermediate frequency at the last stage being converted by a frequency conversion means to a low frequency suitable for processing , which is then bandwidth limited by a filter function of a digital signal processor . control of each passband is performed in linked fashion by control stored in a microcomputer circuit , and the sharp shape factor of the digital signal processor is effectively used to eliminate noise from the deviation passband . because noise is eliminated before the detection stage , there is no cause for the intrusion of wraparound noise , thereby eliminating the necessity to perform excessive bandwidth limiting . | 7Electricity
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a display driving circuit . the circuit comprises a data driver outputting a first , second , third and fourth data signal through a data line , a scan driver outputting a first and second scan signal through a first and second scan line , a first , second , third and fourth display cell receiving the first , second , third and fourth data signal through the data line and receiving the first and second scan signal through the first and second scan line , a first switch coupling the first display cell to the data line when the first scan and data signals are asserted , and isolating them from each other when the first scan and second data signals are asserted , and a second switch coupling the third display cell to the data line when the second scan and third data signals are asserted , and isolating them from each other when the second scan and fourth data signals are asserted . | 6Physics
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an image forming apparatus comprises a rotatable photosensitive drum driving mechanism for rotating the photosensitive drum ; and a cleaning blade which is capable of being in contact with the outer circumferential surface of the photosensitive drum and which removes a residual developer on the outer circumferential surface upon contact therewith . a recess is formed at part of the outer circumferential surface and holds lubricant therein ; and the tip end of the cleaning blade feeds the lubricant in the recess to part of the outer circumferential surface of the photosensitive drum which is brought into contact with the cleaning blade to form a thin film of the lubricant upon contacting with the lubricant held in the recess as said photosensitive drum is rotated . | 6Physics
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novel mono -, di - and triacylated derivatives of scirpentriol are provided for use as antitumor agents . also provided are methods for the production of such derivatives . | 2Chemistry; Metallurgy
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an apparatus for delivering pressurized , humidified breathable gas to a patient having a sleep - related disorder includes a cpap unit with a blower configured to generate a flow of pressurized breathable gas . the apparatus also includes a liquid storage container configured to hold a body of liquid . the liquid storage container has a gas feed opening , a gas discharge opening and a humidifying region above a metallic heat conducting material . in addition , the apparatus includes a support housing integrated directly into the cpap unit and having a receiving space configured to removably receive the liquid storage container . the liquid storage container is structured such that when the liquid storage container is received by the support housing , the gas feed opening aligns with and engages with an ending portion of a gas feed flow path defined by the support structure and the gas discharge opening aligns with and engages with a beginning portion of a gas discharge flow path defined by the support structure so that the liquid storage container fluidly connects the gas feed flow path and the gas discharge flow path . | 0Human Necessities
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a slip case package is disclosed for holding a book and a computer disk . the package comprises a slip case having a pocket in the interior thereof which holds the disk and a space for the book . the pocket is formed by two panels of the slip case , one of which is in the interior of the slip case . this panel includes a section which is severable from the interior of the slip case to provide access to the disk . severing the section is made relatively difficult by virtue of the size of the section , the limited space in the interior of the slip case and the location of an engageable structure by means of which the section is grasped for severing it . as a result , even though the book may be removed from the slip case and perused in a retail store by a prospective purchaser , removal of the disk is somewhat involved and requires actions which discourage theft as such actions may easily be observed by store personnel . | 1Performing Operations; Transporting
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a method for dyeing polyester fiber materials is disclosed , comprising conducting combination dyeing by a combination of disperse dyes each capable of making up for the color fading of other disperse dye produced upon exposure to sunlight , by the color change thereof in hue caused upon the exposure to sunlight under the same condition . | 8General tagging of new or cross-sectional technology
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in order to prepare seat installation in a vehicle , a floor plate is prepared remotely and then inserted into the bottom of the vehicle . the floor plate has an upper side with rail members for mounting seats . the rail members are separated by plate elements forming the floor plate together with the rail members . in order to ensure a proper stability of the floor plate before insertion into the car , a straight rigid profile is provided at the ends of the floor plate . | 1Performing Operations; Transporting
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the compounds of the following formula : wherein r , r 2 , r 3 and a have the meanings given in the specification , are endowed with selective a 3 adenosine receptor antagonist activity . these compounds can be used in a pharmaceutical composition to treat disorders caused by excessive activation of the a 3 receptor , or can be used in a diagnostic application to determine the relative binding of other compounds to the a 3 receptor . the compounds can be labeled , for example with fluorescent or radiolabels , and the labels used in vivo or in vitro to determine the presence of tumor cells which possess a high concentration of adenosine a 3 receptors . | 2Chemistry; Metallurgy
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the disclosure relates to a fuel cell including a solid electrolyte layer disposed on a separator plate . another separator plate positioned adjacent the separator plate mounting the solid electrolyte layer are joined to a surface of the first separator plate to form an electrode separator assembly having a chamber between the joined separator plates . working fluids may be supplied to or exhausted from the chamber through openings in fluid communication . a porous support member may be positioned within the chamber . the first separator plate and the porous support member may include a multiplicity of ribs defining channels in fluid communication with the chamber . | 7Electricity
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a technique for displaying topographical data , for example , on a screen of a portable hand - held device includes : optionally receiving gps signals and generating a digital output indicative of a position location of the display device in response to the received gps signals or inputting location data manually to produce an image on a display screen of the device in response to the digital output ; and storing true digital elevation data as compressed cells and decompressing on - the - fly only data needed to provide elevation data for an image area displayed on the display screen . | 6Physics
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a plastic closure including a bottom part and a lid that has an annular retaining bead in the bottom part . a disk having a support surface is held positively or non - positively in the bead . the disk includes one or more through - passages , which open into a chamber . a thixotropic fluid present in a flexible container reaches the chamber through the through - passages , where the fluid performs a directional change from axial to radial and after a second directional change from radial to axial flows out through the spout opening , wherein a constriction between the two directional changes accelerates the flow . | 1Performing Operations; Transporting
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in a bearing in a vehicle seat , in particular in an automobile seat , having a bearing bolt extending into a hole of an element so that the element is supported on the bearing bolt , the hole and / or the bearing bolt have a cross - section that is different from a circle . | 1Performing Operations; Transporting
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a pan holder for supporting batter - dipping pans from the front edge of a restaurant type fryer , especially a flat bottom type fryer with a raised front edge . the pan holder comprises a frame with an opening for receiving the batter - dipping pan and supporting the upper flange of the pan , a rear hook edge configured to mate with the front raised edge of the fryer , and side brace panels for engaging the front face of the fryer . the holder includes finger holes in both sides of the frame , extending beyond the pan flange so that the pan can be lifted evenly out of the frame ; utensil holders formed in the side brace panels ; and a perforated and / or discontinuous rear hook edge configured to reduce heat transfer and increase drainage of hot oil . | 0Human Necessities
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a motorcycle or bicycle front end having coaxial steering and suspension components , and having telescopic forks . swing weight of the forks is dramatically reduced by removing their suspension components to the central location , coaxially within the steering tube . ride height can be adjusted without loosening the forks in the triple clamps . | 1Performing Operations; Transporting
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a device for purifying exhaust gas of an internal combustion engine which provides improved purifying efficiency even in a lean operating condition without deteriorating the fuel efficiency . the device includes an electrochemical catalyst 5 installed in the exhaust system 3 of the internal combustion engine 1 , the electro chemical catalyst 5 containing an electron conducting substance and an ion conducting substance , the oxidizing reaction and the reducing reaction being promoted by the conduction of ions and electrons , thereby to electrochemically purify the exhaust gas g in the exhaust system . | 8General tagging of new or cross-sectional technology
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a hardware control loop derives an agc setting for a communication receiver based on signal strength information , without incurring program execution delay of a baseband processor . | 7Electricity
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a small watercraft and outboard motor are configured so that operator - activated command signals are communicated from a control unit in the hull of the watercraft via a local area network to engine component actuators in the outboard motor . the local area network enables a simplified connection to be used between the watercraft hull and the outboard motor to provide communication of the command signals as well as to provide communication of navigational and engine parameter information . the local area network enables the user to operate the watercraft with increased reliability . because of the small number of control connections required between the hull and the outboard motor , the process for installing the outboard motor onto the watercraft hull is greatly simplified , which reduces the time and the cost initial installation and the cost of repair . | 1Performing Operations; Transporting
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a color processing method has a first conversion process for converting on a fixed basis colorimetry data representative of colorimetry values into cmy color data representative of a combination of values of c , m and y , and a second conversion process for converting the cmy color data obtained in said first conversion process into color data depending on a device . | 7Electricity
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in a computer system having a processor , a system memory , a flash memory , and a memory controller , a method comprising the steps of loading a flash memory upgrade program containing a new flash memory image and a digital signature into a portion of the system memory ; configuring the memory controller to limit the processor to accessing only the flash memory and the portion of the system memory ; verifying the flash memory update program using the digital signature ; and , updating the flash memory only if the flash memory upgrade program is authentic . | 6Physics
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a carry - select adder structure comprising a carry generation network and a multiplexer to select a particular pre - calculatad sum of a bit - group via orthogonal signal levels of a hot - carry signal provided by said carry generation network , wherein in order to provide orthogonal signal levels of said hot - carry signal , the carry generation network comprises two carry lookahead trees working in parallel to each other , wherein a first carry lookahead tree provides a first signal level of the hot - carry signal , and a second carry lookahead tree provides a second , compared to the first signal level inverse signal level of the hot - carry signal . furthermore a method to operate such a carry - select adder is described . | 6Physics
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a mounting apparatus for a data storage device that includes a tab includes a bracket , a locking member , and an operating assembly . the bracket includes a bezel defining an opening and a first cutout corresponding to the tab . the locking member , movable on the bezel , defines a second cutout corresponding to the first cutout . the operating assembly is assembled in the bezel and slides the locking member on the bezel to align or misalign the second cutout with the first cutout . | 6Physics
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the present invention may be used for contract preparation and contract performance payment . a request for performance may be initiated to a provider by a buyer . a contract may be created by a provider at a first system terminal of a central operating and data base element for the performance . the contract may be transmitted with a signing instruction to the buyer . the signing instruction may be implemented to log on to a system terminal and to enter a user identification for reviewing the contract and for signing the contract . the contract may be performed by the provider and a bill may be transmitted to the buyer at a system terminal . a payment may be released for the contract to the provider at a system terminal . | 6Physics
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in order to determine the fatigue limit of elastic materials , especially rubber , under completely reversed stress by applying a load which alternates between zero and a maximum value and in order to determine the number of load alternations which leads to the breaking of the material , a plurality of strip - shaped rubber samples are clamped between two stationary clamping beams and a rocker . the rocker is approximately parallel to the beams and is moved at one end thereof by means of a crank mechanism . the rubber samples are each positioned parallel to one another in at least one row and are alternately stretched and relaxed to a different extent , depending on their spacing from the fulcrum of the rocker . | 6Physics
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the present invention relates to a bag packaging system composed of a bag sealable to contain a liquid , in which the bag is composed of a continuous outer water soluble film and an inner continuous protective film layer that allows storage therein of a liquid that would chemically or physically react with the water soluble film but is prevented from doing so by the presence of the continuous protective film layer on the inner portion of the bag . | 1Performing Operations; Transporting
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an implantable pump having a bulkhead , a reservoir structure attached to the bulkhead and upper and lower cases attached to the bulkhead by a single outer seal as well as a method of making such a pump is disclosed . the reservoir structure forms a reservoir that contains fluid drug or other medicaments . the upper and lower cases are attached to the bulkhead by first connecting either the upper or lower case directly to the bulkhead . then , the lower or upper case not attached to the bulkhead is attached to the upper or lower case that had been previously attached to the bulkhead . | 8General tagging of new or cross-sectional technology
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the present invention provides pharmaceutical formulation for thyroid hormones which allow safe and stable administration by mouth within the ambit of the narrow therapeutic index prescribed in the case of thyroid dysfunctions , as well as procedures for obtaining | 0Human Necessities
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a tree - structured index to multidimensional data is created using naturally occurring patterns and clusters within the data which permit efficient search and retrieval strategies in a database of dna profiles . a search engine utilizes hierarchical decomposition of the database by identifying clusters of similar dna profiles and maps to parallel computer architecture , allowing scale up past to previously feasible limits . key benefits of the new method are logarithmic scale up and parallelization . these benefits are achieved by identification and utilization of naturally occurring patterns and clusters within stored data . the patterns and clusters enable the stored data to be partitioned into subsets of roughly equal size . the method can be applied recursively , resulting in a database tree that is balanced , meaning that all paths or branches through the tree have roughly the same length . the method achieves high performance by exploiting the natural structure of the data in a manner that maintains balanced trees . implementation of the method maps naturally to parallel computer architectures , allowing scale up to very large databases . | 8General tagging of new or cross-sectional technology
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an exposure method , exposure apparatus and mask are suitable for manufacturing an active matrix liquid crystal display including , for example , a gate electrode layer and a source / drain electrode layer . a stitching portion between unit patterns in a second layer is offset from the stitching portion in a first layer by a predetermined distance . the stitching portions of the second layer are always positioned over unit patterns of the first layer . accordingly , the contrast gap that occurs at the stitching portion as a boundary is defined only by an error in the exposure position of the second layer . the contrast gap is not affected by an error in the exposure position of the first layer , unlike the conventional method . because the contrast gap caused by the error in the exposure position of the first layer is eliminated , the total contrast gap that occurs at the stitching portion as a boundary is significantly reduced . | 6Physics
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an external preparation formulation superior in the transdermal absorbability has been desired as a new administration route of aripiprazole . transdermal absorption of aripiprazole has been enabled for the first time by appropriately combining aripiprazole and an organic acid . that is , it has been found that more superior transdermal absorbability can be achieved by forming a salt by using a compound showing lipophilicity within the range of − 1 . 5 - 2 , such as fatty acid and the like . it has been further found that the transdermal absorbability is remarkable improved by appropriately selecting the solvent composition . as a result , since a new dosage form of aripiprazole other than oral preparation has been developed , a new transdermal absorption preparation of aripiprazole can be provided . | 0Human Necessities
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a system for controlling the dma transfer for a plurality of io devices has an io controller for each group of the io devices . data is retrieved from memory and stored in the io controller where it is analyzed . the retrieved data has a structure that permits a group of dma start request quads to be linked together for parallel or pipeline processing of the dma transfer requests . each start request quad has a pointer for additionally retrieving corresponding command data . the command data is set forth in a number of blocks , each linked to the next one by a pointer . when a dma processing has been completed , the termination or completion status is entered into a specific entry in a completion list for the corresponding io device . thus , a determination can be made as to whether specific io devices have completed a requested dma processing . expansion of the system is accomplished by using combinations of main and sub controllers , where one main controller provides the aforementioned data structures for many sub controllers in order to enable the dma processing to be performed for io devices connected to the sub controllers with less frequent access of system main memory and the system bus . | 6Physics
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an improved fluidic oscillator , that operates on a pressurized liquid flowing through the oscillator to generate a liquid jet that flows into the surrounding environment to form of an oscillating spray of liquid droplets , includes : a member into which is fabricated a two - portion , flow channel , with this first portion configured so as to create the flow phenomena in the member that yields the spray &# 39 ; s oscillating nature , and wherein its second portion is configured so as to provide a plurality of throats by which the pressurized liquid exhausts into the surrounding environment . | 8General tagging of new or cross-sectional technology
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a method and a device for making the distance between a human eye and an eye - examining instrument coincide with a preset distance . a miniature light source disposed on the image end of an objective lens of the instrument illuminates the eye . the light specularly reflected by the surface of a cornea is converged . the miniature light source is positioned to have the converging point lie on the surface of an image of the fundus formed by the objective lens . accordingly if the distance between the human eye and the instrument coincides with a preset distance , the image of the light source on the image surface of the objective lens becomes sharp . an operator looking into a view finder correctly adjusts the position of the instrument by moving the latter until the image of the light source becomes sharp . | 0Human Necessities
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a soil sampling device adapted to be mounted on a motor vehicle . the soil sampling device includes a tubular probe which is operated by means of a hydraulic cylinder and piston . a mechanism linking the probe with the piston causes the probe to swing from a horizontal position to a vertical position and then to move vertically downward into the soil . upon withdraw from the soil the probe is caused to move vertically upward until clear of the soil and then to swing to a horizontal position with the end of the probe adjacent a sample collecting container . a second hydraulic piston and cylinder serves to eject the soil sample from the probe and into the collecting container . the controls for operation of the device are adapted to mounted at the vehicle operator &# 39 ; s station . | 4Fixed Constructions
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in the disclosed reproducing apparatus a detector detects that a reproducing head is properly positioned relative to selected one of recording tracks on the recording medium and a control responsive to the detecting means enables an output arrangement to put out an information signal reproduced by the head when the detector detects that the head is properly positioned relative to the selected track . this allows a display device to display the reproduced information when the head is properly positioned relative to the selected track . | 6Physics
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a heat exchange device includes a first flow path for a first fluid and a second flow path for a second fluid , and the components of the inventive heat exchanger are interconnected by a connection material . connections that are substantially directly exposed to the flow of the first fluid are formed of a first connection material and connections that are not directly exposed to the flow of the first fluid are formed of a second connection material . the composition of the first and the second connection material is different . | 5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
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a scalable wave division multiplexing optical ip switching method and system are disclosed for switching data packet payloads in the optical domain . the method comprises the steps of : receiving , at an optical switch , one or more optical signals comprising a plurality of optical data packets , wherein each data packet has a payload and header information and wherein each input fiber has at least one input wavelength ; extracting the header information from each of the plurality of data packets ; converting the header information for each of the plurality of data packets from an optical format to an electrical format ; processing the header information for each of the plurality of data packets at a control unit to generate control signals to control data packet payload routing through the optical switch ; routing the payload from each data packet through the optical switch to at least one desired switch output ; converting the header information for each data packet back to an optical format ; and recombining the payload and header information for each data packet for transmission on one or more output fibers from the desired switch output . | 7Electricity
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actuator apparatus having a drive element which can tilt and / or pivot in a predetermined manner in response to electrical activation and which is formed such that it can be contacted by an output partner in order to transmit mechanical drive energy , wherein the drive element , as a connection element , is operatively connected to two expansion units , which are formed by means of magnetic shape - memory alloy material , such that the connection element executes a tilting and / or pivoting movement in response to an expansion or contraction movement of one of the expansion units , expansion or contraction movement being produced by the electrical activation and also a magnetic field which is generated by said electrical activation . | 8General tagging of new or cross-sectional technology
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an acoustic projector wherein a unitary acoustic resonator produces active sonar signals in more than one frequency band . the double - slotted resonator is coupled to a transducer which is capable of exciting the resonator in two , distinct , volumetric modes of vibration using two asymmetric , generally arcuate vibrating members . transduction techniques can include variable reluctance or piezoceramic transduction . internal cavity pressure release may be achieved by bladders , compliant tubes , and the like . | 1Performing Operations; Transporting
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optical communication networks often incorporate fiber rings or fiber mesh topologies for interconnecting its nodes . both of these topologies can contain closed optical loops at one or more wavelengths within the optical spectrum . in amplified optical systems , the inherent loss of these optical loops is counteracted by the amplifier gain . thus , the optical loop may have a net loss that is too low to prevent excessive noise buildup resulting in a lasing fiber loop . the noise that builds up within such amplified systems is dominated by the amplified spontaneous emission noise resulting in ase loops . such loops can have a serious impact on all wavelengths carried by the fiber and lead to a partial or complete loss of end to end communication due to a severe degradation in signal to noise ratio . this invention provides an effective method and system for avoiding ase loops in optical communication networks . the method deploys optical seams as well as a unique signature for a wavelength instance for achieving an effective solution that is resilient to errors and failures that may occur on the system both during service creation and normal operation . | 7Electricity
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a fluid level switch for a machine having a fluid reservoir adapted to contain a fluid at an acceptable level . the fluid level switch includes a mounting plate , a float housing , and a float assembly positioned within the float housing . the mounting plate retains first and second contacts . the float housing is configured to receive fluid from the fluid reservoir and the float assembly is movable in response to the level of fluid in the float housing . the float assembly includes a contact member electrically connecting the first and second contacts when the level of the fluid is below the acceptable level . the contact member is coupled to the float for movement with the float and for movement relative to the float . | 7Electricity
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a self - tuning duplicating transceiver is provided . the transceiver includes a microprocessor , a transmitter and a receiver . the transmitter includes an electrically tunable radio frequency oscillator , and the receiver includes a counter for determining an edge count associated with a received signal . the microprocessor is programmed to receive an unknown signal with the receiver and use the counter to determine the edge count thereof , and electrically tune the transmitter oscillator to a carrier frequency corresponding to the edge count for the unknown signal . | 7Electricity
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in a method of preparing sodium monosulfide by means of reacting sodium and sulfur under protective gas , the entire sodium determined for reaction is placed in a receiver in a first stage , preheated to temperatures of 100 °- 150 ° c ., sulfur is gradually added in the required amount of the material in the receiver under intensive mixing , whereby the temperature of the reaction mixture is maintained at 120 °- 250 ° c ., and in a second stage the formed initial product is allowed to react under continuation of the mixing at 250 °- 480 ° c ., until a na 2 s content of at least 95 % by weight has been attained . | 2Chemistry; Metallurgy
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a door escape includes a hinge member securable to a door pivotably movable between an open position and a closed position relative to an enclosure . a first securing device secures the hinge member to the door . the first securing device is manually removable from the hinge member from exterior of the enclosure , permitting removal of the door from the enclosure . a second securing device secures the hinge member to the door . the second securing device is manually removable from the hinge member from interior of the enclosure , permitting removal of the door from the enclosure . | 8General tagging of new or cross-sectional technology
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a circuit and method are provided for switching in a semiconductor based high power switch . complementary p - type based transistors are utilized along insertion loss insensitive paths allowing biasing voltages to alternate between supply and ground , allowing for negative voltage supplies and blocking capacitors to be dispensed with , while improving performance . | 7Electricity
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an abacus for assisting in teaching the place value , addition , and subtraction , comprises a least 2 substantially parallel bars ; at least 18 beads mounted and independently moveable along the axis of each of the substantially parallel bars ; and means for maintaining each of the substantially parallel bars in a substantially fixed position with respect to each other . preferably , the different groups of beads located on the various parallel bars are coded with some form of indicia to denote their respective place in the 3 - member sequence of the base 10 numbering system . | 6Physics
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a portable , electrically powered keg tapping device for beer kegs has a valve body including a liquid passageway open to the bottom of the valve body and to a liquid dispensing port on the body and an air passageway open at the bottom of the valve body laterally spaced from the liquid passageway and coupled to the output of an ac or dc powered air pump which is controlled by a pressure regulator . in an alternative embodiment , a pumping assembly is provided with an adapter plate which can be used to convert a manually operated keg tapping apparatus to a powered , pressure - regulated tapping apparatus . | 1Performing Operations; Transporting
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an electronic camera includes a solid state imaging device and an image processor that calculates a quality parameter and controls signalling of the quality parameter to an operator of the electronic camera . the quality of the recorded image may be determined based on a histogram of image pixel values . a user may be perceptibly warned when the quality parameter is outside a predetermined range . | 7Electricity
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an electrical receptacle includes a receptacle housing , a movable element , an interlock mechanism , a release mechanism , and a blocking element . the receptacle housing has a receptacle opening having a longitudinal axis . the movable element is located within the receptacle opening and is designed to move along the longitudinal axis between an extended position and an inserted position . the interlock mechanism is connected to interlock with the movable element when the movable element is in the inserted position . the interlock mechanism also maintains the movable element in the inserted position . the release mechanism is coupled to the interlock mechanism , accessible from outside the receptacle housing , and operable to disengage the interlock mechanism from the movable element to permit the movable element to move to the extended position . the blocking element is located within the receptacle opening and is designed to move along the longitudinal axis with the movable element , to fixedly block a portion of the receptacle opening when the movable element is in the inserted position , and not to fixedly block the receptacle opening when the movable element is in the extended position . | 7Electricity
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an apparatus for communicating data , including facsimile data , via first wireless signals and second wireless signals . the apparatus includes a facsimile machine coupled to a switch , a first transceiver that converts the first wireless signals with the switch , and a second transceiver that converts the second wireless signals with the switch . the switch is selectable to a first state wherein the facsimile data is coupled between the first transceiver and the facsimile machine , and a second state wherein the facsimile data is coupled between the second transceiver and the facsimile machine , and a third state wherein the data is coupled between the first transceiver and the second transceiver . | 1Performing Operations; Transporting
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a vehicle with energy absorbing chassis members has an engine unit attached to the chassis by severable mounts . a tension strap is provided to impede the forward motion of the engine unit on the occurrence of an accident . the tension strap exerts restraining force on the engine unit only after the severance of the engine mounts . | 1Performing Operations; Transporting
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a novel interconnection of the jaw , wedge and operating handle in a fifth wheel facilitates the provision of a secondary locking mechanism which further insures the security of the system . in the invention , the jaw is connected to the operating handle by a pivoting timing lever which pivots off a pin on the jaw such that the jaw remains engaged with the fifth wheel until the wedge is substantially removed from engagement with the jaw . in cooperation with the primary locking mechanism , a secondary lock is provided at the end of the operating handle such that a pin arrangement engages a stop on the fifth wheel assembly until positively released by the operator . | 1Performing Operations; Transporting
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a buffer comprises a specially designed bearing for supporting the rotation axis of a rotatable mirror . the bearing structure is so designed that when the rotation of the mirror is stopped by a stopper , the bearing can shift the rotation axis in the direction in which force is applied to the rotation axis . this shift takes place at the moment of mirror stop . immediately after the shift , the rotation axis is returned to its original position by a biasing force . | 6Physics
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a method of conserving energy during a heating event wherein a coolant is heated in a cooling system is disclosed . the method includes establishing a first set point temperature for a first point in the cooling system and establishing a second set point temperature lower than the first set point temperature for a second point in the cooling system . normally , the coolant is maintained at the second set point temperature at the second set point in the cooling system . during the heating event , the second set point temperature is raised to substantially match the first set point temperature to reduce necessary heating of the coolant at the first point . | 5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
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a method of forcibly disconnecting a communications connection established between a mobile station and a mobile services switching network , depending on whether the communications connection initially allocated to the mobile station has deteriorated or that a call connection or a handover attempt has failed . with the intention of forcing the mobile station to relinquish the allocated channel , the network transmits to the mobile station a signal which activates a time monitoring process in the mobile station , which thereby sends an acknowledgement signal back to the network . when the network does not wish the mobile station to retain the allocated channel , a signal which would stop the time monitoring process is not sent to the mobile station , thereby resulting in the release of the communications channel . also described is a mobile station which includes counter - circuits for effecting the time monitoring process . | 7Electricity
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method for preparing cinacalcet hydrochloride having the steps of heating - 1 - naphthyl ethylamine and 3 - benzene wherein l is a halogen atom , methanesulfonate group , p - toluenesulfonate , or triflate , in an organic solvent in presence of an inorganic base , refluxing until 3 - benzene is completely consumed , obtaining a reaction mixture containing cinacalcet , and after treatment , obtaining cinacalcet hydrochloride having a formula of the post treatment separates - 1 - naphthyl ethylamine hydrochloride and cinacalcet hydrochloride by adjusting ph value , extraction , and other simple operations , and the - 1 - naphthyl ethylamine obtained is recycled for preparing the next batch of cinacalcet hydrochloride . | 2Chemistry; Metallurgy
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the present invention balances the amplitude and phase of a received qpsk signal that may have been corrupted during transmission . the system determines the amplitude of the i and q symbols of a received signal , compares them , and applies a correction to one or both channels to correct for amplitude imbalance . for phase imbalance , the system calculates the cross - correlation of the i and q symbols which should average to zero . a correction factor is derived from the cross - correlation and applied to both channels , returning the phase cross - correlation to zero . the output from the system is a signal corrected in both amplitude and phase . | 7Electricity
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a mode selector assembly for use in a tape recorder or the like is disclosed herein , for placing the tape recorder or the like into a selected operating mode by means of a rotating member upon the actuation of an actuator lever . the mode selector assembly includes a cam surface on the rotating member , interlocking device provided between the actuator lever and the rotating member for sliding movement with rotating movement of the cam surface , responsive to rotation of the rotating member and connecting means for connecting the actuator lever to the interlocking means . the actuator lever is shifted to its actuated position via the interlocking means in response to rotation of the cam surface immediately after the rotating member is rotated upon actuation of the actuator lever . | 6Physics
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the computer having a module board with semiconductor elements mounted on both sides thereof , a motherboard on which a plurality of units of the module board are mounted , and a rack cabinet on which a plurality of units of the motherboard are mounted includes a thermo - siphon that is thermally connected to the semiconductor elements mounted on one side of the module board , a metal plate that is thermally connected to the semiconductor elements mounted on one side of the module board , a thermally - conductive member that transfers the heat of the metal plate to the thermo - siphon in a situation where the heat of the semiconductor elements mounted on one side of the module board is transferred to the metal plate , and a pressing member that presses the thermo - siphon and the metal plate against the semiconductor elements mounted on the module board . | 7Electricity
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a coating composite is provided for a platform surface of an antenna array for , when applied to the platform , affording isolation of radiating and receiving antennas of the array . the coating composite includes a plurality of conductively coated elongate tubes dispersed in an insulating polymer matrix at a volume loading density approaching that at which the composite begins to conduct electrically over macroscopic distances , i . e ., close to the percolation threshold . the tubes are preferably comprised of microtubules comprised of biologically - derived , high - aspect rod - shaped particles of microscopic dimensions having an electroless plated metal coating thereon . | 8General tagging of new or cross-sectional technology
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disclosed is an apparatus for preparing phosphoric acid from a fume exiting the kiln in a kiln phosphoric acid process , the apparatus comprises a hydration tower and an acid solution cyclical spraying system , a fume inlet of the fume exiting the kiln is disposed at a lower portion of the hydration tower , a fume outlet after hydration and absorption is disposed at the top , a spraying device is disposed in a cavity of the hydration tower above the fume inlet , a liquid inlet of the acid solution cyclical spraying system is disposed on a bottom of the hydration tower , a liquid outlet of the acid solution cyclical spraying system is connected to a liquid intake pipe of the spraying device . the present invention has the advantages of simple structure , reasonable layout , strong adaptability , high raw material utilization rate , reduced contaminant emissions , and high recovery rate of phosphoric acid etc . | 1Performing Operations; Transporting
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a floor section assembly having a post anchor built into one of the floor panels for use with portable sectionalized flooring suitable for a volleyball court or the like is disclosed . the post anchor includes a base assembly attached to the undersurface of one of the panels and is coupled to a plurality of adjacent panels by tubes attached to the undersurface of the panels and coupled together by a rigid member extending through aligned tubes . this structure provides a broad base of support for the post carrying a volleyball net which can absorb moments placed on the post without the need for connecting the post to the base on which the flooring is assembled . | 4Fixed Constructions
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a video surveillance system having a plurality of video cameras and means for reproducing the scenes viewed by a selected by one of the cameras . a switch selectively connects the cameras to the reproducing means . a counter generates a sequence of signals wherein each signal corresponds to one of the cameras . the counter signals are applied to the switch to select the corresponding camera and apply its output to the reproducing means . the counter signals are also applied to a character generator which generates characters identifying the selected camera for display at a selected location in the reproduced scene . | 6Physics
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a new non - slipping shoulder strap assembly for helping a users to securely carry bags on their shoulder . the inventive device includes an elongate shoulder strap for resting on a first shoulder of a wearer and having a shoulder resting portion and a pair of end portions to which a load may be attached . an elongate armpit strap is coupled to the shoulder strap resting portion and extends around the torso under a second shoulder . a waist strap is coupled to the shoulder strap end portions and extends around a waist underneath the second shoulder . | 0Human Necessities
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the present invention discloses a switching regulator , and a control circuit and method for controlling a switching regulator . the switching regulator includes a power stage driven by a driver voltage outputted from a driver circuit . the present invention detects an input current to generate an input current detection signal , and adjusts an operation voltage supplied to the driver circuit according to the input current detection signal . | 7Electricity
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a canvas stretching and framing device upon which canvas or other sheet material may be stretched includes fixed corner sections and straight sections . the fixed corner sections ensure the squareness and rigidity of the device while simultaneously allowing for easy adjustments in order to maintain the canvas in a taut condition over the device . the straight sections may be easily cut to any desired length , which allows for easy adjustment of the device &# 39 ; s size . the corner sections may include a plurality of protrusions which engage a plurality of cavities formed in the straight sections in a way that forms a continuous perimeter upon which canvas may be stretched . | 1Performing Operations; Transporting
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a flagpole for flags and pennants . clips on the flag or pennant are rotatably received in circumferential grooves on the flagpole to prevent the flag or banner from becoming fouled or wrapped around the flagpole . an adjustable bracket is provided for holding the base of the flagpole relative to a supporting surface . | 6Physics
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a controller coupled with a user interface together enable a user temporarily to elevate the power curve of motor operation in electric vehicles that utilize pulse width modulation controllers to regulate mechanical power supplied by commutator type direct current motors . the user interface comprises a switch which , in its normal state , allows the controller to operate the motor along a standard power curve that may be optimized to conserve electrical charge . when the user sets the switch out of its normal state , the controller elevates the current limit applied to vehicle operation , thereby enabling the motor to operate along an elevated power curve , permitting enhanced vehicle performance . in preferred embodiments , the user interface is fashioned so that standard operation is the preferred , default mode of operation of the vehicle and enhanced operation will be selected only temporarily and as needed . | 8General tagging of new or cross-sectional technology
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a computer - readable medium having stored thereon an image decoding program which , when executed by a computer , performs image decoding , wherein synthesizing a prediction image is performable using a positive rounding method and a negative rounding method for interpolating intensity values of pixels ; wherein the interpolation of intensity values of pixels is performed using a rounding method specified by the rounding method information ; wherein the rounding method information is included in coded information of the currently decoded image ; wherein the rounding method information specifies one of two values ; wherein one of the two values specifies a positive rounding method , and another one of the two values specifies a negative rounding method ; and wherein the rounding method information consists of one bit . | 6Physics
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a lamp driving apparatus wherein a plurality of two - winding balance circuits are connected to a plurality of parallel - connected lamp groups so that all of the lamps may be illuminated even though ambient conditions cause some of the lamps to have low resistance . capacitors are connected to first electrodes and certain of the balance coil windings are connected to second electrodes of one of the lamp groups while , in a second lamp group , others of the balance coil windings are connected to the first electrodes and capacitors are connected to the second electrodes thereof , current flowing through balance coil windings to some lamps being affected by current flowing through balance coil windings to other lamps . | 7Electricity
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a multiphase dc - to - dc converter includes at least two phase circuits each having upper and lower power switches and a front - end inductor that is operative for forming a resonant tank circuit with the phase circuits to ensure zero voltage switching and minimizing power losses . | 8General tagging of new or cross-sectional technology
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disclosed is an expandable enclosure suitable for a cargo vehicle , a passer vehicle , a stationary shelter or a stationary storage facility . an expansion unit is outwardly translatable from the enclosure by racks fixed to the unit . the expansion unit has first uprights fixed between the racks and second uprights fixed to the enclosure but having a sliding connection with the racks . third uprights are disposed between the first and second uprights and are slidingly connected between the racks . the expansion unit may be mounted to the enclosure by the gears alone or may additionally be supported by a cantilever beam when the expansion unit is being deployed . | 1Performing Operations; Transporting
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the invention relates to implants , for use in human and in veterinary medicine . the novel implants form , after implantation , an integral structure with the surrounding tissues . the implants consist of a rigid core which is coated with a well adhering matrix , in which there are embedded collagen fibers , part of which protrude from the surface of said matrix . a wide variety of solid physiologically acceptable materials can be used . the matrix may optionally contain additives , such as fibronectin , platelet derived growth factor , bone morphogenic proteins , growth factors , vitamin d or hormones , or a combination of any of these . | 0Human Necessities
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a method of improving the performance of magnesium containing electrodes used in metal / air batteries , comprising the addition of one or more additives to the electrolyte or electrode surface . the additives are selected from any of the following groups ; dithioburet , tin , and tin plus a quaternary ammonium salt . | 7Electricity
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a self contained portable negative pressure control system enclosure for protection from airborne asbestos particles and the like from a work space includes an enclosure formed of portable rigid door frames having spring doors and a weighted transom closure within that communicate with the work space to define multiple non - sealed decontamination chambers . the enclosure is used with a room divider or in an access doorway to the work space which is maintained in a negative air pressure by exhaust blowers equipped with hepa filters . | 1Performing Operations; Transporting
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a throttling valve develops a pressure to bring recoiling parts of a weapon to rest with a constant force . counter - recoil is provided from recuperator pressure . the throttling valve is biased with a force proportional to the sine of the gun elevational angle to compensate for the gravitational component inline with recoil . counter recoil force is controlled by a valve that regulates the recuperator pressure available for counter - recoil by an amount that is proportional to the sine of the gun elevation angle . | 5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
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a method for producing highly dimensionally accurate , deep - drawn half shells with a base region , a body region and a flange region , includes firstly forming a pre - formed half shell from a blank and then shaping the pre - formed half shell into a finally formed half shell , wherein the pre - formed half shell has excess blank material due to its geometric shape and wherein , owing to the excess material during the shaping of the pre - formed half shell into its final shape the half shell is compressed into the finally formed half shell by at least one further pressing process . the method requires that the pre - formed half shell has excess blank material in a transition region between the body region and flange region . | 1Performing Operations; Transporting
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multi - fiber ferrules may be produced with tapered bodies and guide pin holes that have fluted internal surfaces with projections for engaging the guide pins , and channels for capturing any foreign material that may accumulate on or around the guide pins , thereby providing improved consistency in fiber connections during mating of the ferrules . | 6Physics
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a service providing apparatus has a first communication unit , a connection information generator , an existence detector , an existence confirmation request receiver , a connection information transmitter , an authentication unit , and a service providing unit . the second communication unit performs wireless communication with the service receiver located in a second wireless area narrower than a first wireless area . the existence confirmation request receiver receives the existence confirmation request signal transmitted by the service receiver through the second communication unit when the service receiver detects to be within a prescribed distance . the service providing unit connects with the service receiver authenticated by the authentication unit , and provides services to the service receiver through the first communication unit . | 7Electricity
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a reconfigurable modular lighting assembly , including at least two tube sections , each tube section having an end cap thereon and including at least one light emitting diode light source . an interconnection unit including multiple tube section receiving locations that each physically , releasably connect one end of a first of the at least two tube sections to one end of a second of the at least two tube sections such that the tube sections are adjacent and form a positive angle between them ; and provide for interchangeably electrically connecting the light sources in the tube sections to a source of electrical power . control data paths are operatively connected to each of the light emitting diode light sources via the interconnection unit to allow for control of the light emitting diode light sources when the at least two tube sections are respectively connected to the interconnection unit at the tube section receiving locations . | 5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
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the present invention relates to an exercise apparatus that enables a number of exercises to be carried out utilising the apparatus . the present invention provides an aid to a user to perform an exercise using their own body weight . the apparatus comprises a biasing means arranged and configured to provide support for a user when in use , the biasing means including a sleeve and a piston arranged to move relative to the sleeve . the biasing means further includes a chamber provided between the sleeve and the piston wherein movement of the piston from a rest configuration to an extended configuration causes compression of the material in the chamber . | 0Human Necessities
|
a method and apparatus adapted to perform content addressable memory lookup by performing a lookup in parallel using multiple classification rules in the cam with the same key , wherein the cam lookup is used to resolve ipv4 and ipv6 addresses . | 7Electricity
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automatic interpretation processing operations , such as character recognition , require a binary image of information - bearing image elements and a background . digital image data produced by scanning a color - containing document frequently contain many different colors so that a division into information - bearing image elements and background is not evident . the invention divides connected components in the digital image into background and other connected components , whereafter the other connected components are allocated , in accordance with a predetermined criterion , either to the background or to a foreground . the foreground connected components are combined into information elements suitable for the automatic interpretation processing . the division into information - bearing image elements and background can be preceded by a color quantisation processing of the digital image data . | 6Physics
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a process for reducing skin friction , inhibiting the effects of liquid turbulence , and decreasing heat transfer in a system involving flow of a liquid along a surface of a body includes applying a substantially integral sheet of a gas , e . g ., air , immediately adjacent to the surface of the body , e . g ., a marine vehicle , which has a longitudinally grooved surface in proximity with the liquid and with a surface material having high contact angle between the liquid and said wall to reduce interaction of the liquid , e . g ., water , with the surface of the body , e . g ., the hull of the marine vehicle . | 8General tagging of new or cross-sectional technology
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a dc superconductor quantum interference device is used in a flux - locked loop as a sensitive detector of magnetic flux . prior art devices of this sort had a transfer function which was frequency - limited by the transfer function of impedance matching circuitry which is used to connect the dc squid with the first preamplifier , which amplifies the dc squid signal before it is applied to a detector circuit . the present invention corrects this frequency limitation by creating a compensating circuit having a transfer function which is the inverse of that of the impedance matching circuitry , and inserting it in the system after the first preamplifier and before the detector circuit . | 8General tagging of new or cross-sectional technology
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an edible film and method of using same for decorating foodstuffs , in particular baked goods , wherein anyone can easily , inexpensively and artistically decorate foodstuffs . the edible film according to the present invention is composed of an edible polymer film which is preferably releasably mounted upon a flexible substrate to provide a reinforced edible film . the edible film is peelably released from the substrate to provide decorations for the foodstuff . the edible film may be decoratively prepared into predetermined decorations prior to distribution , which may include being pre - printed , pre - cut , colored , or being of pre - selected opacity and sheen . pre - printing may be accomplished by any suitable printing process utilizing edible inks . alternatively , the edible film may be distributed in a not yet finalized decoration form , wherein finalization is left up to the user . for example , the reinforced edible film may be distributed without being pre - printed or only partially pre - printed , wherein the user controls subsequent printing , writing , drawing or otherwise marking upon the edible film , such as by use of edible ink writing instruments . further , the user may purchase sheets of the reinforced edible film and thereafter cut the reinforced edible film sheets into shapes defined by the user . | 0Human Necessities
|
aspects of the inventions generally provide a method and apparatus for coupling a communication sub to a wired drill pipe . in one aspect , a surface of a coupler head is non threaded and configured to provide a retaining force . in another aspect , a coupler head is coupled to a body , and a support mechanism is coupled to the body and configured to secure the coupler head within a receiving end of the wired drill pipe . in another aspect , a method of placing a communication sub involves inserting the communication sub into the receiving end of the wired drill pipe , adjusting the position of the communication sub until an indication of signal communication between the communication sub and the wired drill pipe is observed , and after the indication of signal communication is observed , retaining the communication sub within the receiving end until removal of the communication sub is desired . | 4Fixed Constructions
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a rotating riding toy for children has adjustability in the linkage which causes the riding toy to rotate . it has been found that such adjustability can affect the ease of pumping or driving the riding toy rotationally as well as the rotational speed obtained . in addition , the seats are positionally adjustable to accommodate smaller and larger children . quick release pins are envisioned for removing stabilizing legs from a base member to afford breakdown of the mechanism and portability . | 0Human Necessities
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a method is disclosed for concurrency control in a system having both pessimistic and optimistic transactions , comprises the steps of entering locks on objects both for optimistic and pessimistic transactions , and validating an optimistic transaction at commit time by checking that all objects on which said optimistic transaction holds a lock have not become obsolete during the execution of said optimistic transaction . further , a system is shown enabling optimistic and pessimistic transactions to coexist , comprising a lock table into which locks are entered for both optimistic and pessimistic transactions , a wait queue in which pessimistic transactions are entered to wait for locks held by either optimistic or pessimistic transactions , a conflict table which is referenced to determine if a lock held by a first transaction is a conflict lock with respect to a lock requested by a second transaction , and code connected to the lock table , wait queue , and conflict table . this code which is responsive to transaction requests , updates the lock table and the wait queue so that optimistic transactions do not wait for locks to release , whereas pessimistic transactions do wait for locks to release . other systems and methods are also disclosed . | 8General tagging of new or cross-sectional technology
|
an optical printing head for a printer for the line - by - line recording of graphics and text in successive parallel lines on a photosensitive record carrier disposed at a printing location , the head including : a plurality of actuatable optical components disposed adjacent one another in the direction of the recording lines and each constituting a source of dot - like light elements ; objective lenses disposed between , and having optical axes extending between , the optical components and the printing location for projecting the light elements provided by each optical component onto the printing location along a portion of each printing line ; and members operatively associated with the lenses for adjustably positioning the lenses relative to the optical components in at least one direction in a plane transverse to the optical axes . | 1Performing Operations; Transporting
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a fusible link between metallization layers of a semiconductor device comprises a tungsten plug deposited in a via interconnecting two aluminum metallization layers . | 7Electricity
|
an improved solenoid for providing linear actuation . the outer polepiece of the solenoid is provided with a plurality of radially - dispersed labyrinthine passageways in communication between the exterior of the solenoid and an interior region including the armature and the interior of the windings . the polepiece is further provided with at least one passageway in communication between the exterior of the solenoid and an outer periphery of the windings within the housing . the two sets of passageways impede particles and droplets of moisture from entering the solenoid , while simultaneously permitting moisture such as condensation within the solenoid to evaporate and escape . | 5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
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a shift mechanism for a vehicle wheel wherein a pneumatic annular actuator , through air pressurization and depressurization , produces clutch ring movement to engage and disengage the wheel from the vehicle &# 39 ; s drive axle . the components of the wheel end providing an air tight cavity in which the clutch ring is manipulated and which is subjected to air pressure changes . the components include a pneumatic annular actuator , a cv - joint , a rotary seal between the actuator and the cv - joint and a vent passage formed between the air chamber and rotary seal and breaching said air tight cavity . an air line from said passage to non - contaminated ambient air to provide continuous ambient air pressure to said cavity . | 5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
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