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a frequency stabilization circuit includes a local oscillator , a mixer , a level comparator , a frequency comparator , and a controller . the local oscillator outputs a local oscillation signal in accordance with a control voltage . the mixer converts a received radio frequency signal into an intermediate frequency signal using the local oscillation signal from the local oscillator . the level comparator compares a dc voltage corresponding to the intermediate frequency signal from the mixer with a reference voltage to determine whether the reception electric field level of the radio frequency signal is high or low . the frequency comparator compares the frequency of the intermediate frequency signal from the mixer with the frequency of the reference signal to output frequency difference information . the frequency comparator outputs previous frequency difference information when the comparison result of the level comparator indicates a decrease in reception electric field level . the controller outputs the control voltage to the local oscillator in accordance with the frequency difference information from the frequency comparator . | 7Electricity
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a toy vehicle is provided which allows the track to be bent without creasing . the track is provided with a plurality of rails and side ribs which strengthen the track against deformation even when the track is provided with loops for play or coiled for transport . stiffener bars are releasably secured to the track to form and support loops . a connector pad and suction cup are provided to allow releasable securement of the track or window or similar flat surface . | 0Human Necessities
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a centrifugal blowing fan includes a back yoke made from metal , having a substantially bottomed cylindrical portion around a rotating shaft of a motor , an inner surface attached with a magnet of the motor mounted thereon and a flange portion disposed around a periphery of an opening of the cylindrical portion ; and a cylindrical impeller made from resin , having a plurality of blades circumferentially arranged , an annular collar portion joined with first ends of the plurality of blades and a doughnut - shaped disk portion joined with second ends of the plurality of blades , wherein the disk portion has at least one fitting , and the flange portion has at least one fitted space receiving the at least one fitting so as to concentrically and fixedly connect the impeller and the back yoke . | 5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
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techniques and retinoscopic apparatus for measuring or determining a patient &# 39 ; s optical error are disclosed . the techniques include overrefraction and can be performed from a fixed position , avoiding the practitioner &# 39 ; s need to move back and forth relative to the patient &# 39 ; s eye . equipment associated with the apparatus is adapted to record the location of the retinoscope slide during the examination to provide information concerning the optical error present in the patient &# 39 ; s eye . | 0Human Necessities
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a method of adding advertisements and promotions to web properties has companies accessing an online gaming provider . advertisement data of the companies to be displayed on a massively multi - player online game is loaded . players are tagged as coming from websites of specific companies . advertisement data is displayed on the mmog , wherein each player views advertisement data from the specific company where the player was tagged as visiting . | 6Physics
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a spectral purity filter arrangement is disclosed . the spectral purity filter arrangement includes a film configured for filtering out at least a portion of input light and a support structure coupled to the film along at least one edge of the film . the spectral purity filter arrangement further includes a gas control subsystem configured to direct a gas at the film to support the film at least when the film is disposed in an operational position to perform the filtering . | 6Physics
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a bounce - and weld - resistant contact assembly includes a pair of spaced contact plates with facing contacts on their ends . a switch blade is rapidly movable into and out of engagement with the contacts . the contacts are convexities coined into the plates which add no mass to the plates . thus , the natural frequency of the plates is maximized and the magnitude of oscillation of the plates , when the contacts are rapidly engaged by the blade , is minimized . legs on leaf springs act against concavities formed in the plates opposite the convexities . the legs conformally nestle in the convexities so that their frictional engagement therewith and the spring force co - act to quickly damp the high frequency , low magnitude oscillations of the plates . the low mass coined contacts also permit close spacing of the plates to maximize magnetic forces thereon due to current flow therethrough . these forces aid the spring and the leg - concavity friction in quickly damping oscillations of the plates . | 7Electricity
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an engine coolant heater comprised generally of a heating tank contained within a combustion chamber having a burner . fuel is supplied to the burner where the fuel is ignited by an ignition probe in such a manner , that once ignited , continued controlled self - sustained fuel combustion is maintained . engine coolant contained within the heater is thereby heated and allowed to circulate within an engine to facilitate engine cold - weather starting . | 5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
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a pet carrier for facilitating interactive experiences between a pet and pet owner includes including a pocket with an opening , two sides and a bottom adapted to partially surround a pet . the pocket has a resilient panel lining the bottom or sewn into the bottom that tensions the sides when the carrier is worn and a pet is placed in the pocket , and which provides a firm footing for the pet when transported by the pet owner . | 0Human Necessities
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disclosed is a method for characterising the evolution of a reservoir by determining a seismic wavelet which links observed seismic data to a sequence of reflectivities . the method comprises obtaining seismic data representing seismic changes which have occurred between a first time and a second time , said seismic data comprising a plurality of seismic traces ; and performing an optimisation operation simultaneously on the seismic traces so as to optimise for said seismic wavelet . the optimisation operation may be performed without using known reflectivity data as an input . | 6Physics
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a system in accordance with embodiments of the invention operate an anti - sandbagging wagering system . one embodiment includes an anti - sandbagging wagering system , comprising : an entertainment controller , a game world controller , and a real world controller wherein the entertainment controller provides a skill - based entertainment game , records user identification information , generates graphical display , receives the user &# 39 ; s interactions with the skill - based entertainment game &# 39 ; s determines the user &# 39 ; s level of skill and associates it with the user &# 39 ; s identification information , and communicates the user information to the game world controller ; the real world controller receives a wager trigger , determines a gambling outcome of real world credit using a random number generator , and communicates the outcome to the game world controller , and allocates the payout to a credit meter ; and the game world controller communicates to the real world controller an instruction to execute the wager on the basis of the user &# 39 ; s interaction with the skill - based entertainment game , receives the user information , generates an anti - sandbagging provision that triggers a user identity confirmation , applies the anti - sandbagging provision , and performs the user identity confirmation . | 6Physics
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the present invention relates to training aids for baseball including a truncated and hinged bat - like device comprised of a first handle portion hinged to a barrel portion so that swinging the device grooves and fortifies a motion consistent with a pro batting swing , and variations thereof . | 0Human Necessities
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a transponder that may be used as an rfid tag includes a passive circuit to eliminate the need for an β always on β active rf receiving element to anticipate a wake - up signal for the balance of the transponder electronics . this solution allows the entire active transponder to have all circuit elements in a sleep state , thus drastically extending battery life or other charge storage device life . also , a wake - up solution that reduces total energy consumption of an active transponder system by allowing all non - addressed transponders to remain in a sleep state , thereby reducing total system or collection energy . also , the transponder and wake - up solution are employed in an asset tracking system . | 6Physics
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an object of the present invention is to improve operability . stoppers are detachably mounted in a lower mold of a mold . nuts are screwed down onto the stoppers while being held upside down . after the mold is closed in this state and molten resin is filled into a cavity and solidified therein , the mold is opened . the stoppers are separated from the lower mold as the mold is opened . when the stoppers are separated from the nuts thereafter , a casing 10 having no pin withdrawal hole can be obtained . accordingly , it is not necessary to apply potting or the like to close the pin withdrawal hole . | 1Performing Operations; Transporting
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an internal combustion engine is provided by reciprocating force is translated to rotational motion without the use of a conventional crankshaft . a series of crank bearings are aligned linearly whereby piston rods disposed therebetween provide rotational motion for a power take - off or the like . | 5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
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a device for monitoring low levels of light emission in a selected underwr environment is provided with a photodetector having a light sensitive surface oriented into the environment , the photodetector generating electrical signals which are representative of light impinging upon the light sensitive surface . a window is positioned between the light sensitive surface and the underwater environment to protect the photodetector from the underwater environment , and a first material is positioned between the window and the underwater environment to prevent biological growth upon the window . a second material is placed in cooperative relationship with the first material to shift the wavelengths of certain light photons occurring in the underwater environment from a first wavelength range to a second wavelength range , in order to increase the attenuation lengths of the photons before they pass through the window . | 6Physics
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a glass sheet quench station includes first and second quench sections that cooperate with a three position shuttle and a control to transfer glass sheets through the quench station with partial quenching performed at the first quench station and completion of the quenching at the second quench section . this glass sheet quenching method with two stage quenching shortens the cycle time to provide increased production . | 2Chemistry; Metallurgy
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each of multiple solar cell arrays has a face oriented differently relative to the direction from which solar radiation is incident on a motor vehicle and a characteristic voltage / current output correlated with the intensity of incident solar radiation for converting the incident solar radiation into electricity . a processor processes data related to the voltage / current output from each array as the array is converting solar radiation into electricity for selectively connecting the arrays in configurations correlated with the intensity of incident solar radiation . the arrays provide supplemental electricity to keep the vehicle battery charged preventing certain small loads from draining the battery while the vehicle is parked with its engine off . the arrays can be advantageously mounted in outside rearview mirror assemblies . | 7Electricity
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this invention relates generally to a novel method of manufacturing a composite body , such as a zrb 2 -- zrc -- zr composite body , by utilizing a post - treatment process and to the novel products made thereby . more particularly , the invention relates to a method of modifying a composite body comprising one or more boron - containing compounds which has been made by the reactive infiltration of a molten parent metal into a bed or mass containing boron carbide , and optionally one or more inert fillers , to form the body . | 2Chemistry; Metallurgy
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a borehole plug or packer for treating is designed to be flowed back to a surface location after use . when the treatment is concluded pressure from above is relieved or lowered , and well fluid is flowed back , so that the plug or plugs disengages at slips designed to resist differential pressure from above . the application of differential pressure from below causes the lower slips to release one or more of such plugs in the hole into specialized sub surface or surface capture equipment so that well pressure is relieved before removal of the plugs from specialized subsurface or surface capture equipment . sensors to obtain and store data can be incorporated into the plugs or into objects landed on the plugs so that when brought to the surface the data can be processed and used in aid of production . | 4Fixed Constructions
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a power interface is proposed , which keeps an adjustable power supply circuit in a conducting state even if the average current consumption of an attached load is below the adjustable power supply circuit &# 39 ; s holding current requirement . the power interface makes use of the dynamic properties of adjustable power supply circuits . due to the recovery time of the adjustable power supply circuit , it will stay in the conducting state even if there is no current flowing for a short while . the power interface makes use of this effect by interrupting and re - establishing a current flow from the adjustable power supply circuit . | 7Electricity
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the unique advantages of computer - controlled fabrication of a patient - specific orthotic device using an automated fabrication machine capable of following computer instructions to create 3d surface contours and new developments in non - invasive three - dimensional scanning have made it possible to acquire digital models of freeform surfaces such as the surface anatomy of the human body and to then fabricate such a patient - specific device with high precision . such a patient - specific device brings significant improvement in patient - specific fit , comfort , and function of medical devices . the combination of these two technologies is ideally suited for the development of patient - specific orthotic devices . a patient specific ankle - foot orthotic device using this technology is disclosed . this exemplary device is used to help stabilize the ankle - foot region , for example , in patients with impaired gait . | 1Performing Operations; Transporting
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a glycol regeneration system for a dehydrator having an absorber for contact of gas with glycol , a pump to circulate glycol , a reboiler for heating glycol to vaporize water , and a still column for distilling the glycol vapor from the reboiler . the glycol regeneration system includes a reflux jacket chamber for receipt of the glycol from the absorber wherein the gas will separate by gravity from the glycol . a preheater in the reboiler will heat the gas separated in the reflux jacket chamber . the preheated gas is passed through the glycol in the reboiler to strip water vapor therefrom . at least one riser tube in communication with the still column will be in heat exchange relation with the glycol in the reflux jacket chamber to allow water vapor and waste gas to rise through the riser tube . at least one outlet in communication with the riser tube drains water vapor and waste gas therefrom . | 1Performing Operations; Transporting
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a high speed signal driving scheme is disclosed which reduces timing delays associated with a signal line precharged to a selected voltage by limiting the voltage transition on the signal line from its precharged voltage . | 7Electricity
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a method includes querying a plurality of search engines for properties to identify for which content categories the search engines are suited . a query to locate content is communicated to those of the plurality of search engines suited to service the query to locate content , based on at least one content category of the query to locate content . | 8General tagging of new or cross-sectional technology
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this document provides methods and materials related to minimally invasive techniques for reducing the volume of and / or occluding left atrial appendages . | 0Human Necessities
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a lumber sorter using a conveyor system with hooks that pick up , move and drop lumber . the lumber sorter includes limiters attached to the hooks that restrict the rotation of the hooks while the limiters are running in raceways . the limiters restrict the rotation of the hooks between a first and second orientation through the use of opposing contact points that contact with opposing walls of the raceways . the limiters maintain the hooks in a substantially vertical position while they carry lumber , but permit the hooks to be pivoted to drop the lumber at a designated position . the use of limiters having first and second contact points allows for the pivot direction and degree of rotation to be configurable and predetermined by the position and placement of the contact points . | 1Performing Operations; Transporting
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this invention relates to novel rolling type athletic apparatus taking advantage of the characteristic of stilts which comprises a pair of vertical rods each consisting of two pipces telescopically connected to each other . the upper end of each vertical rod is bent to form a handle . each rod is provided at its lower end with a wheel having a brake and a one - way clutch . a step is mounted on the upper portion of the wheel . | 0Human Necessities
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a hand held tool for the tensioning and severing of cable ties , including reciprocating means for tensioning the cable tie tail , locking means to prevent further tensioning upon the attainment of a preselected tension level in the tie tail , and severing means to sever the tie tail from the cable tie head . | 8General tagging of new or cross-sectional technology
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a system is provided for a display of ct cine images stored in a hybridized memory including both dynamic random access memory and video random access memory frame buffer . the system includes memory address space which is allocated between the vram and dram . non - linear , chained direct memory access control provides a system to write a series of 640 Γ 512 pixel images directly from the frame buffer at 60 frames per second . the chaining provides a means for skipping over unused addresses at the end of a display line , thus maximizing utilization of expensive vram memory . | 6Physics
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a grain oriented silicon steel strip and method are provided for producing the same wherein a chevron pattern of scribe lines mechanically refines the magnetic domain wall spacings . multiple chevron patterns are formed to extend always transversely across the strip width . | 1Performing Operations; Transporting
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a fluid meter assembly in which a housing is provided that has two enclosures formed therein . at least one cylinder is formed in each enclosure and receives a piston . fluid is admitted into each cylinder to drive its piston and pass the fluid through a corresponding outlet in the corresponding enclosure to enable the fluid flow to be metered . | 7Electricity
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the presently claimed invention relates to image sensors to be worn or attached on a human . one claim recites an apparatus including : an image sensor to capture image data , said apparatus to be worn or attached on a human so that said image sensor captures image data while said apparatus is worn or attached on the human ; and an analyzer to analyze captured image data and to determine plural - bit identifiers for one or more objects represented in the captured image data . of course , additional combinations are provided as claimed as well . | 6Physics
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strut joint assemblies which include built - in off - loading capability or mirror support systems allow a user to minimize the friction developed at the ball joint interface . each strut joint assembly includes an upper ball joint and a lower ball joint . each of the ball joints is sealed such that an internal compartment is created which can act essentially as an air spring . by raising the air pressure within these compartments , the load on the ball joint is reduced until the joint separates and air pressure alone carries the entire load . by adjusting the pressure to a value just below the separation pressure , the ball can still maintain contact with the ball socket and carry very little of the actual load . at this pressure , the frictional moment that can be generated by the joint is minimized and is , thus , greatly reduced from the frictional moment developed by a joint which is carrying the full gravity load of the mirror . the entire strut assembly may be translated using an adjusting screw at the lower end of the strut . once adjustment of the mirror position is complete , the joint may be locked by injecting an epoxy adhesive into the cavity between the strut shank shoulder and the potting cup of the mount pad and allowed to cure . after the epoxy is cured , air pressure may be released . | 6Physics
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apparatus and method for assembling a pair of thin - walled metal container counterparts which are brought together axially , are rounded and one inserted into the other substantially without deformation of either of the pair of counterparts so that the inner part is allowed to expand , after insertion , radially and both parts at their juncture are stressed in hoop tension for tightly embracing an adhesive interposed therebetween and thereby insure a good bond at the seam . | 1Performing Operations; Transporting
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a material is cut along straight lines and curved lines into a tapered configuration with a wire - shaped electrode according to an electric discharge type cutting method or an electrolysis type cutting method . when the straight cutting operation is shifted to the curved cutting operation , the pulse width of a pulsive voltage applied across the work piece to be cut and the wire - shaped electrode is decreased , or the pulse interval thereof is increased , or the open voltage is reduced , to decrease the electric energy applied to the work piece . accordingly , the width of a groove cut in a portion of the work piece where the radius of curvature is minimum in the curved cutting operation becomes equal to that in the straight cutting operation . an apparatus for practicing the cutting method is also disclosed . | 1Performing Operations; Transporting
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the present invention in an energy conserving greenhouse involves an insulated and opaque structure whose inner walls are preferably formed , coated or colored to reflect visible light striking thereagainst onto plant surfaces therein , the structure utilizing a shuttered lense arrangement of minimum dimensions , that is open during daylight hours to pass sunlight from a focusing solar collector , that sunlight passing through an infra red trap to heat a material therein , that heat being removed for immediate heating of the structure and / or storage for later heating thereof , the remaining sunlight spectra , including the visible spectra passing therefrom and to a diffuser that directs and disperses it throughout the structure interior . | 8General tagging of new or cross-sectional technology
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the present invention provides a rigid modular holding with axial and radial compensation for multiple and universal application of all machining processes , engineering , machine building , and construction fields where ever applicable for rotary and static systems . design of modular holding includes male and female portions of joining parts machined to the required shape and clearances to accommodate modular locking rigidly with face butting . radial and axial run out adjustments is controlled by the grub screws and run out compensation can be achieved within micron . an area used for clamping and designed within the area of joining parts results reduction in material and processing cost . since , the material is not protruding out from the surface of the joining parts , esthetically looks good and convenient for designing multiple applications as it is not possible at present . | 5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
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nanometer sized particles containing titanium and platinum are prepared by a sonochemical process . compounds of the metals are dissolved , suspended , or diluted in a low vapor pressure liquid medium , preferably at a sub - ambient temperature . a reducing gas is bubbled through the liquid as it is subjected to cavitation to affect the reductive decomposition of the metal compounds . titanium and platinum are co - precipitated in very small particles . | 1Performing Operations; Transporting
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an apparatus and a concomitant method for speech recognition . in one embodiment , the present method is referred to as a β dynamic noise compensation β method where the method estimates the models for noisy speech using models for clean speech and a noise model . specifically , the model for the noisy speech is estimated by interpolation between the clean speech model and the noise model . this approach reduces computational cycles and does not require large memory capacity . | 6Physics
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it is an object of the present invention to provide a vinyl ether group - containing acrylic ester , which has both radical polymerizability and cation polymerizability , improved in storage stability and stability in handling without impairing its polymerizability or , in other words , provide a stabilized vinyl ether group - containing acrylic ester . another object is to provide a method of producing a stabilized vinyl ether group - containing acrylic ester composition . a further object is to provide a method of stably handing , a method of economically and stably producing and a method of purifying a vinyl ether group - containing acrylic ester . a vinyl ether group - containing acrylic ester composition which comprises a radical polymerization inhibitor and a vinyl ether group - containing acrylic ester represented by the following general formula : ch2 = cr1 - coo β r2 - o β ch β ch β r3 in the formula , r1 represents a hydrogen atom or a methyl group , r2 represents an organic residue and r3 represents a hydrogen atom or an organic residue . | 2Chemistry; Metallurgy
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the present invention generally relates to fluid powered brushes . a preferred embodiment is directed to a toothbrush powered by water enroute to a shower head . the toothbrush includes a handle and an operating head detachably connected thereto . a plurality of brush heads are positioned adjacent the operating head . a fluid driven impeller is disposed upstream of the outlet of the shower head . a flexible cable is connected at one end to the impeller and at the other end to the brush heads . the flexible cable rotates upon rotation of the impeller to drive the brush heads . a fluid powered toothbrush formed in accordance with the preferred embodiment of the present invention is adapted to efficiently drive multiple brush heads . furthermore , no fluid need be drawn off the shower to power the toothbrush . | 0Human Necessities
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a substrate handling system comprises a robot containing mico - environment in communication with a plurality of processing stations . the robot has a robot arm comprising an end effector linkage mounted to an extensible linkage . each of the linkages is independently actuatable using an associated motor , with the extensible linkage serving to convey the end effector linkage to the vicinity of a target processing station for delivery or retrieval of a substrate . motion of the linkages may be synchronized to reduce travel time , and multiple end effectors may be mounted to the extensible linkage for increasing throughput . | 1Performing Operations; Transporting
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on - column optical detection apparatus and method for use with capillary separation columns are shown . the apparatus and method minimize the adverse effects of light scattered from the walls of the column , thereby improving detection sensitivity and providing greater dynamic range . light from a conventional source is focussed onto a column . spatial filter means are positioned in front of the column to prevent at least some light from striking the column wall . another spatial filter is positioned in front of a light collecting means which gathers light emanating from the column . in a specific embodiment , a unique monolens design is shown comprising collecting and focussing lens formed as an integral unit with a bore for a capillary column . | 6Physics
|
the invention relates to polymorphous crystal modifications of a dpp - iv inhibitor , the preparation thereof and the use thereof for preparing a medicament . | 2Chemistry; Metallurgy
|
a process and an apparatus for testing the uniformity of a pneumatic tire such as a vehicle tire provide that fluctuations in tire inflation pressure are measured during a uniformity - testing measuring run in which the tire to be tested is rolled against a test surface under a given loading , with force fluctuations occurring at the contact surface therebetween , and in which a compensation value is formed from the measured fluctuations . the compensation value is combined with the measured force fluctuations thereby to eliminate force fluctuation components attributable to fluctuations in the tire inflation pressure . | 6Physics
|
a gas discharge apparatus with a cylindrical axis , comprising : at least one pair of electrodes ; a cylindrical outer tube , surrounding the axis ; a cylindrical inner tube surrounding the axis ; and a gas contained between said inner tube and said outer tube , of suitable composition and pressure to create a gas discharge current when sufficient voltage is applied to said electrodes , wherein no discharge is present inside the inner tube during operation . | 7Electricity
|
a method for preventing fraud or misuse when a user equipment uses a service of a public land mobile network . the user equipment includes a subscriber identity module , the subscriber identity module includes address information used for the service of the public land mobile network . the subscriber identity module includes an application program . the application program includes reference address information . the method includes : determining , by the application program of the subscriber identity module of the user equipment , that the address information does not correspond to the reference address information ; and in response to the determining : blocking , by the application program , the service for the user equipment and sending an error message to the public land mobile network ; or invoking , by the application program , the service for the user equipment using the reference address information . | 7Electricity
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a terminal includes at least one wireless communication application module and a plurality of further application modules . multiple radio frequency clock signals are generated for the different modules having respective clock frequency characteristics and including at least first and second clock frequencies that are not integral multiples nor sub - multiples of each other nor of a third frequency . the clock generation comprises reference frequency means , fractional - n phase - locked loop frequency synthesizer means responsive to the reference frequency means , and different automatic frequency control means for adjusting clock frequencies relative to received signals . the reference frequency means is arranged to supply a common reference frequency signal to a plurality of the fractional - n phase - locked loop frequency synthesizer means that supply the first and second clock frequencies respectively for the application modules . selective activation means selectively activates and de - activates the phase lock loop means as required by the corresponding application module or modules . | 7Electricity
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a uwb receiver having at least one communication module with a limited working band whose on / off state can be controlled . the uwb receiver is adapted to detect power intensity of a received radio signal in the limited working band based on an on / off state of said at least one communication module . the uwb receiver is adapted to control the on / off state of the at least one communication module based on a result of the detection . | 8General tagging of new or cross-sectional technology
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a control surface has a network connection for connecting to a host computer and has an address and an input for communicating data with the host computer . the network interface processes packets received from the host computer . packets received include a first type and a second type , and the type is indicated by data in the packet . upon receipt of a packet of the first type an acknowledgment packet is sent . upon receipt of a packet of the second type , an acknowledgment packet is not sent . the packets of the second type include at least status information for a plurality of meters in the audio control surface . the status of the meters on the audio control surface is overwritten with the status information provided in any packets of the second type . | 7Electricity
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dual - axis swallowing accelerometry is an emerging tool for the assessment of dysphagia . these signals however can be very noisy as a result of physiological and motion artifacts . a novel scheme for denoising those signals is proposed , i . e ., a computationally efficient search for the optimal denoising threshold within a reduced wavelet subspace . to determine a viable subspace , the algorithm relies on the minimum value of the estimated upper bound for the reconstruction error . a numerical analysis of the proposed scheme using synthetic test signals demonstrated that the proposed scheme is computationally more efficient than minimum noiseless description length based de - noising . it also yields smaller reconstruction errors ratio ) than mndl , sure and donoho denoising methods . when applied to dual - axis swallowing accelerometry signals , the proposed scheme improves the snr values for dry , wet and wet chin tuck swallows . these results are important to the further development of medical devices based on dual - axis swallowing accelerometry signals . | 6Physics
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a system and method for multiple vehicles to be dispatched and routed to multiple destinations , with or without constraints , containing a software core , which uses bounded geographic regions and node pairs to explicitly optimize , in two dimensions , for user desired dependent variables , by analyzing variance due to standard and user - defined independent variables . the invention stores node pair data , and can use error function , feedback , and anova / manova to create a tightly convergent dispatching and navigation solution . | 6Physics
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as series of novel late transition metal catalysts for olefin oligomerization have been invented . the catalyst system includes a group 8 , 9 or 10 transition metal and an activator . the catalysts demonstrate high activity and selectivity for linear Ξ± - olefins . preferably this invention relates to a catalyst system comprising the reaction product of : an activator selected from the group consisting of alumoxane , aluminum alkyl , alkyl aluminum halide , alkylaluminum alkoxide , discrete ionic activator , and lewis acid ; and a catalyst precursor wherein the catalyst precursor has the following formula : wherein m is a group - 8 , - 9 , or - 10 transition metal ; n is nitrogen p is phosphorus ; r 1 , r 2 , r 3 , and r 4 are independently hydrocarbyl radicals ; y is a hydrocarbyl bridge comprising a backbone wherein the backbone comprises a chain that is four or more carbon atoms long ; x are independently abstractable ligands . | 2Chemistry; Metallurgy
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a method and system of providing therapy to a patient using electrodes implanted adjacent tissue . the method comprises regulating a first voltage at an anode of the electrodes relative to the tissue , regulating a second voltage at a cathode of the electrodes relative to the tissue , and conveying electrical stimulation energy between the anode at the first voltage and the cathode at the second voltage , thereby stimulating the neural tissue . the system comprises a grounding electrode configured for being placed in contact with the tissue , electrical terminals configured for being respectively coupled to the electrodes , a first regulator configured for being electrically coupled between an anode of the electrodes and the grounding electrode , a second regulator configured for being electrically coupled between an anode of the electrodes and the grounding electrode , and control circuitry configured for controlling the regulators to convey electrical stimulation energy between the anode and cathode . | 0Human Necessities
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a method and apparatus for correcting errors in convolutional code signals prior to viterbi decoding . branch metrics in the decoding of n - psk convolution code signals are used to obtain a differential metric with calculations in both the logical and arithmetic domain . the differential metric is used to obtain a phase error signal which includes information on the quality of the convolution code signals , and control signals for the resolution of phase ambiguity in the demodulation of the convolution code signals are obtained using the phase error signal , such that an improvement in the bit error rate and synchronization is made possible , in particular in decoders for error - correctable convolution code signals . the phase error signal is produced when , over a predetermined time period the differential metric is less than a given threshold value or is decreasing , so as to indicate an error in the demodulated convolution signal over such time period and therefore the probable presence of a phase error . the phase error signals are used to estimate the presence and direction of phase angle jumps in the modulation carrier by formation of the difference between current and previously ascertained values of the phase angle , starting of a counter for upward counting of the binary value of the signal whenever the phase angle jump direction is positive , starting of this counter for downward counting of the binary value whenever the phase angle jump direction is negative , and emission of the counter state in the form of a control signal . | 7Electricity
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a universal table a - frame that is constructed as a unitary structure for use in a booth seating system including a series of booths . the a - frame is a basic module for the booth seating system . the a - frame includes a pair of spaced apart frame rails arranged in a longitudinal parallel relationship and in the same horizontal plane by means of legs secured to the rails adjacent the ends of the rails . the a - frame includes a pair of elements that are individually secured to the inner edge of one of the rails and each extends upwardly towards the other rail . a horizontal frame element is secured in a cantilevered relationship to the free ends of the pair of elements to thereby complete the frame . the horizontal element is adapted to mount a table top . the legs of the a - frame may be offset for permitting the stacking of the a - frame in a nesting relationship . the frame rails are also provided with mounting plates for permitting the longitudinal adjustability of the frames . a booth seating system is defined through the use of the a - frame by securing seating means to the individual frame rails . | 0Human Necessities
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a lighting assembly has a light source main body and a light source control module . the light source main body has a light source that generates light . the light source control module includes a power switch , a housing removably coupled to the light source main body , and a modulation circuit retained inside the housing . the modulation circuit is electrically connected to the power switch for making the light source flash with a frequency when the power switch is turned on . | 5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
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a flexible reclosable container including profiles which are locked and unlocked by a slider . one embodiment of the slider has a pair of feet which extend from one end of the slider to the other end and which resist pulling of the slider off of the profiles . another embodiment of the slider has three spaced pairs of feet which resist removal of the slider from the profiles . the slider in one embodiment has an enlarged central portion which facilitates grasping the slider and is easy to manufacture by die casting . | 1Performing Operations; Transporting
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the barrier proposed by the invention consists of gate elements or components which move on inclined planes , characterized by the fact that in the rest position on the edge of the waterway , preferably on the shore , the gate elements or components can be inserted inside one another in telescope fashion . with suitable lengths of the foundations forming the inclined planes , the gate elements which can be moved in tracks independently of one another can be removed completely from the water and pushed together above the average high water level . the cross section of the gate elements has a triangular shape , whereby the ocean - side supports the dam wall and the inland side primarily absorbs the bracing forces . | 4Fixed Constructions
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a pharmaceutical composition comprising a compound of formula in polymorphic crystalline form a : together with a pharmaceutically acceptable carrier or excipient , wherein the compound of formula is present in polymorphic form a substantially free of other polymorphic forms . | 0Human Necessities
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a mounting assembly for connecting a light shelf to a structure in cantilever fashion . a pair of receiver units attach to the structure and each has a pair of brackets with a slot there between . a recess is formed on an upper interior surface of the upper bracket . the lower bracket has an abutment support surface distal to the structure . a pair of inserter units attach to opposite sides of the shelf , each having an insertion leg and an abutment support . the insertion leg inserts into the recess of a corresponding receiver when the abutment support rests on the abutment surface . the weight of the shelf pulls the abutment support into engagement with the abutment surface and pushes the insertion leg into engagement with the recess , holding the shelf horizontally . | 0Human Necessities
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an apparatus for supporting injection mixing work comprises a memory for storing data for supporting injection mixing work , a display for displaying the data stored in the memory and a controller for controlling the display . the memory has a patient predictability data file for storing patient predictability data including at least patient predictable information , an injection prescription data file for storing injection prescription data corresponding to the patient predictability data , and a combination related data file for storing combination related data corresponding to each injection of the injection prescription data . the controller displays the predictability data stored in the patient predictability data file according to both the injection prescription data corresponding to the patient predictability data and the combination related data of each injection included in the injection prescription data . | 0Human Necessities
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the present invention relates to an arrangement for adapting the transportation behaviour of material to be conveyed , which arrangement comprises a first container , which is coupleable to a first pressure level ; a second container , which is coupleable to a second pressure level ; a connecting line for transporting material to be conveyed from the first container to the second container ; and a pressure reduction device by means of which a pressure difference between the first container and the second container is controllably variable . | 1Performing Operations; Transporting
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a combined needle and catheter assembly comprising a body in which is provided a plunger having the needle at one end with the catheter enclosing said needle with the tip exposed . a pusher is provided to move the plunger to the proximate end of the body to expose the needle with catheter and to lock the plunger in place against a spring which biases the plunger toward the distal position in the body . after use of the needle with the catheter moved into place , a release is employed to permit the plunger with needle to be driven back into the body , permitting the catheter to be separated from the body and ready for use . | 0Human Necessities
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an ink jet printing apparatus and method for ink jet printing is described . the apparatus includes an ink reservoir for containing a water based ink and a moisture barrier positioned between the ink in the ink reservoir and ambient air . the moisture barrier is formed of microencapsulated water beads adapted to provide a sustained release of the water into ambient air . | 1Performing Operations; Transporting
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a computer - implemented method of processing an online auction event in a computer network environment , wherein bids are blocked automatically from being considered a part of the auction should a bid be identified as within at least a preselected parameter identified by the seller when registering for the auction . | 6Physics
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method and apparatus for correlating data records acquired in a signal acquisition device includes the steps of extracting an area of interest from the data record displayed on said signal acquisition device , normalizing the area of interest , creating a filter based upon normalized values of the area of interest and passing the data record through said filter to obtain a correlation curve . normalization of the area of interest includes obtaining a plurality of points defining the area of interest , calculating the mean of the said plurality of points and subtracting said mean from each of the said plurality of points . creating the filter includes using the normalized values of the area of interest as coefficients for the filter . | 6Physics
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disclosed is an icemaker for a refrigerator includes an ice mold for receiving water and freezing the water to ice , an ejector pivotally installed on the ice mold to eject the ice out of the ice mold , a motor for operating the ejector , a heater body disposed enclosing the ice mold to separate the ice from an inner surface of the ice mold by uniformly heating the ice mold , and a heating coil for applying induced electromotive power to the heater body , thereby allowing the heater body to generate heat . | 5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
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a method for efficiently delivering an aqueous solution to plants includes positioning a distal portion of a microporous hydrophobic tubing coated with a hydrophilic polymer adjacent a root system of a plant and channeling an aqueous solution from an inlet to the distal portion through a lumen . the tubing along the distal portion has a porosity adapted for permitting a flow of the aqueous solution therethrough when acted upon by a surfactant root exudate generated by the roots due to water stress . the aqueous solution is held in a reservoir , from which it can be channeled to the hydrophilic device &# 39 ; s inlet . a nutrient solution can also be channeled to the plant roots via additional tubing . | 0Human Necessities
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a fifth wheel slide assembly secondary lock includes an elongated cam member supported by a spindle extending upward from a sliding pedestal . a pair of linkage bars are pivotally coupled by one end to opposing ends of the cam member , the other ends of the bars being coupled to wedges operable for selectively engaging slide rails mounted to a vehicle frame in order to maintain a longitudinal position of said pedestal . the pedestal includes at least one stop extending upward from the pedestal at a height that extends above an arc defined by the rotation of the cam . | 1Performing Operations; Transporting
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a plastic tape reel comprising a hub consisting of an outer cylindrical part adapted to permit a tape to be wound into a roll thereon and an inner cylindrical part defining a hollow pocket for engagement with the reel engaging shaft and two flanges attached one each to the opposite ends of the hub . the annular portion connecting the inner cylindrical part and the outer cylindrical part of the hub is bent in the axial direction throughout the entire circumferential extent so that the inner boundary thereof joins one axial end of the inner cylindrical part and the outer boundary thereof joins the outer cylindrical part at a location halfway along the entire axial length thereof . in the annular depression on the reverse side of the bent portion , a plurality of ribs are disposed in the radial directions and spaced by suitable circumferential intervals . the ribs serve as auxiliary paths for molten resin at the time the tape reel is injection molded . | 6Physics
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hot melt adhesive compositions prepared from styrene - isoprene - styrene block copolymers , a low softening point highly aliphatic resin and a metallic salt of a fatty acid exhibit a superior balance of properties in that they adhere well to a variety of substrates yet can be readily and cleanly removed when desired . | 2Chemistry; Metallurgy
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an arrangement for separating paint residuals and solvents from the exhaust air of a paint spray chamber comprises a device for blowing a stream of supply air through the spray chamber to take along exhaust air containing paint and solvent particles , a filtering conveyor located below the chamber for intercepting from the exhaust air paint particles and discharging continuously the same , and a second conveyor arranged below the filtering conveyor and adapted for receiving and discharging a layer of adsorptive material that intercepts solvent particles remaining in the filtered exhaust air . | 1Performing Operations; Transporting
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a deception management system to detect attackers within a dynamically changing network of computer resources , including a deployment governor dynamically designating deception policies , each deception policy including names of non - existing web servers , and levels of diversity for planting the names of non - existing web servers in browser histories of web browsers within resources of the network , the levels of diversity specifying how densely the name of each non - existing web server is planted within resources of the network , a deception deployer dynamically planting the names of non - existing web servers in the browser histories of the web browsers in resources in the network , in accordance with the levels of diversity of the current deception policy , and a notification processor transmitting an alert to an administrator of the network in response to an attempt to access one of the non - existing web servers . | 7Electricity
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methods and compositions are disclosed for modifying a semiconductor interconnect layer to reduce migration problems while minimizing resistance increases induced by the modifications . one method features creating trenches in the interconnect layer and filling these trenches with compositions that are less susceptible to migration problems . the trenches may be filled using traditional vapor deposition methods , or electroplating , or alternately by using electroless plating methods . ion implantation may also be used as another method in modifying the interconnect layer . the methods and compositions for modifying interconnect layers may also be limited to the via / interconnect interface for improved performance . a thin seed layer may also be placed on the semiconductor substrate prior to applying the interconnect layer . this seed layer may also incorporate similar dopant and alloying materials in the otherwise pure metal . | 7Electricity
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the invention describes a method and apparatus for forming splice ends for elastomeric strips . the splicing ends each have a low angle splicing surface and an abutment surface . the combination of surfaces provide a precise way to locate and join splices . | 1Performing Operations; Transporting
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a connection method for internet access by a communication device is provided , and the connection method includes the step of searching for a communication device with a mobile internet access function and connecting the selected communication device . the present invention includes the step of setting dial - up network of the connected communication device , establishing a dial - up network connection via the set communication device , and finally connecting to the internet through the mobile network connection service of the communication device . | 7Electricity
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a chair having a backrest with pressure points arranged in rows corresponding to vertebra in the cervical , thoracic and lumbar sections of the spine . the rows within the cervical and thoracic sections have at least four pressure points spaced laterally . the rows within the lumbar section have more than four pressure points spaced laterally . within the lumbar section , each successive row includes at least two more pressure points spaced laterally than the previous row . the pressure points each include a protuberance embedded within a layer of elastomeric foam material and each protuberance includes a tip portion that is free of the layer of foam material . the tip portions project from a recessed surface from a backrest surface and are located within a void formed between the recessed surface and a flexible cover . the pressure point afferentation backrest for stimulation of mechanoreceptors is the neuroanatomical clinical outcome basis for the invention . | 0Human Necessities
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a communications electronic warfare trainer that includes apparatus and a thod by which a training umpire can control the localized jamming of a victim communications system . a control signal containing an address and duration of jamming is generated and transmitted using the same frequency as the victim communications system . the control signal is processed by a receiver unit collocated with the victim communications system to determine if the control signal address matches the address of the victim communications system . if an address match is found , a jamming signal is produced for the specified duration causing disruption of the normal operation of the victim communications system . | 7Electricity
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in a mobile communication system using a code division multiple access method , spreading code detection and frame / slot timing synchronization is conducted by using a long code masked symbol . the spreading factor of the long code masked symbol is set to a value lower than spreading factors of other ordinary symbols . as a result , it becomes possible to reduce the circuit scale and power dissipation of the mobile terminal and raise the speed of cell search . | 7Electricity
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the invention concerns a method of adjusting a room air in a first room wherein the room air is supplemented continuously or at recurring intervals of time by nitrogen or a nitrogen - bearing , carbon dioxide - poor gas mixture in such a way that the proportion of oxygen in the room air is less than 20 . 9 % by volume and the proportion of carbon dioxide in the room air is less than 1 % by volume , wherein at the same time at least a slight overpressure in relation to an outside atmosphere surrounding the room is set in the room . | 8General tagging of new or cross-sectional technology
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a system and method for securing a radio frequency transaction using a rf identification device transaction device is provided . rfid transaction device includes a transactions counter for tallying the number of transactions attempted or completed with the rfid transactions device . counter value is used to create a rfid device authentication tag for use in validating the rfid device . a rfid reader , interacting with the rfid device , provides a random number to the rfid device which may be used in the rfid device authentication tag creation and validation . rfid reader may also use counter value and random number to create a rfid reader authentication key useful for validating rfid reader . rfid transaction device may include an encryption key for creating rfid transaction device authentication tag . likewise , rfid reader may include a rfid reader encryption key for creating rfid reader authentication tag . | 6Physics
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a firing support hunting blind particularly adapted for use in an existing tree stand includes a firing support structure and a textile hunting blind assembly . the device attaches to the tree using a ratcheting mechanism being positioned above the tree stand above the base of the tree . the device supports a padded circular rail which acts as a safety barrier , supports a camouflage curtain which conceals the user , and provides a solid comfortable support for the user &# 39 ; s arms and / or a firearm during shooting . the various components of the device can be disassembled and transported . | 0Human Necessities
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a mobile dispensing apparatus capable of onsite bagging of fluent solid materials such as sand . the apparatus includes a hopper supported on wheels and having a trailer hitch . three augers convey fluent material to three chutes . each chute has a clamp for supporting a bag being filled . the apparatus has an on - board engine and a transmission selectively driving each auger . a pedal at each chute operates its respective clamp and connects its respective auger to the transmission by an electric clutch . the hopper has side doors and rear doors . a ramp can be removably attached at the rear door of the hopper . an open grate forms a floor within the hopper . shelves are disposed within the hopper . | 1Performing Operations; Transporting
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the interface is an apparatus that is attached to the outlet of a hopper to assist and control the discharge of particulate material onto the loading surface of a feeder , such as a moving belt . the interface results in a saving of 50 to 75 percent in the power required to drive the feeder . three structural innovations contribute to this saving in power . first , a plate that extends vertically and in the direction of movement of the feeder is introduced into the stream of material within the interface to reduce downward pressure on the loading surface of the feeder . second , the lower edge of the strike - off plate is arched upwardly , which reduces the power required for maintaining the shearing action . third , the interface is provided with vertical skirts that prevent lateral spreading of the material so that a narrower feeder can be used . | 1Performing Operations; Transporting
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a method and apparatus for cardioverter / pacemaking utilizing neurosensing . the invention utilizes the baroreceptor nerves found in the body . a neurosense electrode is placed around the carotid sinus nerve and a sense amplifier with automatic gain control and an integral band pass filter provides a frequency - to - voltage converter with a frequency proportional to the stimulus received from the carotid sinus nerve . the voltage from the frequency - to - voltage converter is sent to the analog - to - digital converter where it is bussed to a microprocessor . the microprocessor then drives a pacing lead and in the presence of a cardiac signal the microprocessor provides a cardioverting signal to the cardioverting lead if ventricular arrhythmia is sensed . the microprocessor also drives a telemetry coil and receives ventricular information from the ventricular sensing lead . | 0Human Necessities
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a remote copy system includes : a first storage system having a first logical volume accompanied with a first plurality of disk drives in the first storage system ; a second storage system having a second logical volume , which is a virtual volume not accompanied with a second plurality of disk drives in the second storage system , the virtual volume configuring a first remote copy pair with the first logical volume ; and a third storage system having a third logical volume accompanied with a third plurality of disk drives in the third storage system , the third logical volume configuring a second remote copy pair with the virtual volume and storing a copied data of data stored in the first logical volume . if the second storage system receives write data sent from the first storage system to the virtual volume , the second storage system transfers the write data to the third logical volume in the third storage system . | 6Physics
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an oscillator circuit and a method of generating an oscillating signal are disclosed . an oscillator comprises a first flip - flop and a second flip - flop coupled with the first flip - flop to provide an oscillating signal . a method of generating an oscillating signal comprises providing the oscillating signal as a first clock input to a first flip flop , inverting the oscillating signal and providing the inverted oscillating signal as a second clock input to a second flip flop , using the output of the first flip flop and the output of the second flip flop to generate a combined output that alternates between a logic low level and a logic high level , and using the combined output to sustain the oscillation of the oscillating signal . | 7Electricity
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a method of monitoring downhole conditions in a borehole includes receiving sensor data through a network of nodes provided at selected positions on a drill string disposed in the borehole . an inference is made about the downhole condition from the sensor data . a determination is made whether the downhole condition matches a target downhole condition within a set tolerance . at least one parameter affecting the downhole condition is selectively adjusted if the downhole condition does not match the target downhole condition within the set tolerance . | 4Fixed Constructions
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the invention relates to a light module comprising a backlit surface element , a light source flatly applied to said surface element or connected thereto and to a light system comprising a plurality of said light modules . | 6Physics
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calculating unit having adder blocks , each having single adders , a carry input , a carry output , and a carry pass output , wherein a signal at the carry pass output is indicative of a carry passing through the adder block . depending on the carry pass output signal , a clock generator for feeding the adder blocks with operands to be processed is decelerated . a determining unit determines in which of the adder blocks a least significant bit of an operand to be subtracted is disposed . a deactivating unit deactivates a carry pass output of adder block provided for lower order digits with respect to the adder block in which the least significant bit is disposed , and a feeding unit feeds a carry into the carry input of this adder block in which the least significant bit is disposed . | 6Physics
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a semiconductor integrated circuit capable of changing a product specification comprises a first circuit section having a first function , a second circuit section having a second function , and active signal generator means for producing an active signal for activating either the first circuit section or the second circuit section . to change the product specification , the integrated circuit further comprises means for receiving a decision signal , switching signal generator means , connected to said receiving means , for producing a switching signal for changing the product specification according to the decision signal , and switching means for receiving the active signal and the switching signal and for supplying the active signal to either the first circuit section or the second circuit section according to the switching signal . | 6Physics
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a method of automatically determining which type of treatment is most appropriate for a cardiac arrest victim , the method comprising transforming one or more time domain electrocardiogram signals into a frequency domain representation comprising a plurality of discrete frequency bands , combining the discrete frequency bands into a plurality of analysis bands , wherein there are fewer analysis bands than discrete frequency bands , determining the content of the analysis bands , and determining the type of treatment based on the content of the analysis bands . | 0Human Necessities
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a manifold converter comprises a housing constructed of two metal shells welded at their mating edges ; a catalyzer carrier unit installed in the housing in a manner to define therein upstream and downstream portions with respect to the catalyzer carrier unit ; and a sealing mat disposed between the catalyzer carrier unit and the housing to achieve a hermetical sealing therebetween . a binding structure is further employed for binding a given portion of the housing where the sealing mat is located . with this binding structure , undesired permanent expansion of the housing caused by the inevitable thermal expansion is suppressed or at least minimized . | 5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
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a fuel pump assembly has a pump mounted to an electric motor by a spring clamp device preferably having a plurality of arms spaced circumferentially around the pump and extending axially generally parallel to an axis of rotation of the motor , from a common base member . the base member is preferably received by the motor , and each arm preferably has a clip which projects radially inward to contact an outboard end face of the pump . the clips are preferably disengageable from the pump and exert a controlled force on the pump , thus producing a consistent and controlled clamping force across the housing encasement to eliminate any potential distortion of the preferably plastic housing . | 5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
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the present invention provides a beta - type titanium alloy including , by weight %: nb : 10 to 25 %; cr : 1 to 10 %; at least one of zr : 10 % or less and sn : 8 % or less , satisfying zr + sn being 10 % or less ; and the balance of ti and inevitable impurities , the alloy having young &# 39 ; s modulus of 100 gpa or less , a process for producing the beta - type titanium alloy , and a beta - type titanium alloy product . | 2Chemistry; Metallurgy
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an integrated article of footwear including a waterproofing membrane direct attached to an upper of the footwear . an outsole is further secured to the membrane and / or the upper . in one embodiment , the membrane includes a visible aesthetic bead in the footwear forefoot region , but not the heel region . the membrane may be of greater thickness in the forefoot region to provide added rigidity . a heel cradle is positioned in the footwear heel region between the upper and the outsole . the footwear provides the durability of a direct attach construction in the forefoot and the comfort and cushion of an athletic construction in the heel of the shoe . a method for constructing the footwear includes direct attaching the membrane to an upper of the shoe . optionally , a heel cradle is disposed in the heel region of the shoe , and the outsole is secured to the heel cradle and / or upper there . | 0Human Necessities
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the invention relates to speech speed conversion , and provides a speech speed converting device and a speech speed converting method for changing a speed of voice without degrading the voice quality , without changing characteristics , regarding a signal containing voice . the speech speed converting device includes : a voice classifying unit that is input with voice waveform data and a voice code based on a linear prediction , and that classifies the input signal based on the characteristic of the input signal ; and a speed adjusting unit that selects either one of or both a speed conversion processing using the voice waveform and a speed conversion processing using the voice code , based on the classification , and that changes a speech speed of the input signal using the selected speed converting method . | 6Physics
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cardiac ablation is carried out by introducing a catheter into the left atrium , extending a lasso guide through the lumen of the catheter to engage the wall of a pulmonary vein , and deploying a balloon over the lasso guide . the balloon has an electrode assembly disposed its exterior . the electrode assembly includes a plurality of ablation electrodes circumferentially arranged about the longitudinal axis of the catheter . the inflated balloon is positioned against the pulmonary vein ostium , so that the ablation electrodes are in galvanic contact with the pulmonary vein , and electrical energy is conducted through the ablation electrodes to produce a circumferential lesion that circumscribes the pulmonary vein . | 0Human Necessities
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Subsets and Splits