baber/WOPTO huggingface dataset:
Patent CA-1157519-A (CA)
Inventor: KAMILLER NEIL
IPC: H02M7/537
Filed: 1982-08-20
Granted: 1983-11-22
Abstract: Abstract of the Disclosure An inverter drive circuit is disclosed wherein the _, inverter is a pulse width modulated inverter.  The inverter includes a regulator circuit to regulate the width of the pulses which control the conduction of first and second controllable semiconductors in the inverter.  The regulator is controlled by the output of the inverter in a feedback arrangement with a current limit circuit as well as an instant current limit to limit the output.  A turn-on circuit is utilized to act through a drive transformer to turn on the controllable semiconductors as required. A turn-off circuit acts on the drive transformer and turns off the turn-on signal.  A set and reset circuit is provided using first and second drive transformers for first and second controllable semiconductors in the inverter.  One transformer is set in order to provide the turn-on and then this transformer is energized in the opposite direction to saturation to obtain a reset.  A decoupling diode is provided between the drive transformer and the control electrode of the semiconductor so that when the decoupling diode ceases conduction then reverse voltage developed by the drive transformer is not applied to the control electrode of the semiconductor. The foregoing abstract is merely a resume of one general application, is not a complete discussion of all principles of operation or applica-tions, and is not to be construed as a limitation on the scope of the claimed subject matter.
Patent CA-1204878-A (CA)
Inventor: FINGER ULRICH
IPC: G06F12/00
Filed: 1982-09-03
Granted: 1986-05-20
Abstract: ABSTRACT OF THE DISCLOSURE      The invention relates to an access system to several processors having common resources by means of a common bus.    For each processor this system comprises an arbitration means for access request conflicts.  The arbitration means comprises access request processing means connected to the bus and to the processor and an access priority resolution circuit connected to the bus, to the access request processing means and to the processor.  The resolution circuit is able to allocate mixed, cyclic or mixed fixed and cyclic priorities to the access requests.    Application to the management of access requests for processors or microprocessors having common resources, such as e.g. memories.            (Fig. 1)
Patent CA-1207487-A (CA)
Inventor: SCHMIDT MANFRED
IPC: C08L85/02
Filed: 1982-09-21
Granted: 1986-07-08
Abstract: ABSTRACT OF THE DISCLOSURE A thermoplastic composition comprising poly-sulfone and polyphosphonate is provided characterized by its thermal stability and flame resistance.  A preferred embodiment additionally comprising an acrylic rubber interpolymer composite is characterized by its improved impact strength.  The compositions are particu-larly suitable as thermoplastic molding compositions.
Patent CA-1191463-A (CA)
Inventor: DRUFFEL JAMES B
IPC: H02G3/04
Filed: 1982-11-01
Granted: 1985-08-06
Abstract: WIREWAY            ABSTRACT OF THE DISCLOSURE             A wireway for supporting at least one wire and a temperature sensitive device designed to interrupt the flow of electrical energy through the wire in conjunction with a selected tempera-ture within a compartment connected to the wireway.   The wireway includes a raceway having an enclosed channel with a pair of open ends.  The temperature sensitive device is confined within the wireway which includes means for conducting heat from the interior of the compartment to the channel of the raceway.  The raceway is also supported by the compartment to form a structural unit.
Patent CA-1194950-A (CA)
Inventor: VACHHANI VASANTRAI A
IPC: H01R9/28
Filed: 1982-11-10
Granted: 1985-10-08
Abstract: ABSTRACT          An electrical connector module adapted for use in an access member to provide access to a circuit.  The module includes an insulated housing surrounding a connector element and the housing includes a pair of side walls with edges forming a wire gripping slot.  The module has particular advantages when arranged in an array to provide access to a plurality of circuits.  The invention also relates to an improved connector element usable in connection with the electrical connector module.
Patent CA-1191263-A (CA)
Inventor: SKINNER JAMES T
IPC: G06F17/30
Filed: 1983-01-24
Granted: 1985-07-30
Abstract: ABSTRACT      A text comparator includes a decoded data memory (13) containing one shift register (SR20-SR7F) for each symbol forming the data base.  The decoded signal is applied to the shift register associated with that character, and a clock signal is applied to each shift register. The decoded data memory provides signals indicating the most recently received character, and each preceding K characters.  The shift registers are connected to logical gates to provide a signal when the desired text has been located.  Word counters, paragraph counters, and other devices are employed to provide special text comparison functions.   Another embodiment includes word logic, delimiter logic, set logic, set combination logic, proxim-ity logic, and programming logic.  Delimiter logic serves to monitor the characters received and provides signals depicting whether the received character is a predefined delimiter character.  Word logic serves to store data regarding predefined words to be located and provides signals when such predefined words are located. Set logic receives delimiter signals and word signals and provides signals when selected words are located in the same sentence, same paragraph, etc.  The set combination logic combines signals from the set logic to generate signals in response to more complex searches.  Proximity logic provides signals indicating when predefined words detected by word logic 112, or predefined set of words, as detected by set logic 114, or a combination of this information, occurs within a predefined proximity.  Programming logic receives search strategy instructions and provides timing, addressing,  and data signals to word logic, delimiter logic,  set logic, set combination logic, and proximity logic.
Patent CA-1190614-A (CA)
Title: Systeme de filtration adaptif destine a annuler un ou   plusieurs signaux d'interference de forme  sinusoidale
Inventor: LE DINH CHON T
IPC: H03H11/04
Filed: 1983-01-26
Granted: 1985-07-16
Abstract: L'invention est relative à un système de filtration adaptatif destiné à annuler un ou plusieurs signaux d'interférence de forme sinusoidale compris dans un signal d'entrée comportant un signal utile. Le système inclut un circuit d'asservissement de phase qui permet de repérer la fréquence de l'interférence sinusoïdale et de synthétiser divers signaux à ondes rectangulaires synchrones en phase/quadrature. Chaque signal à ondes rectangulaires est pondéré suivant les variations d'amplitude et de phase de l'interférence sinusoïdale et les signaux ainsi pondérés sont combinés au signal d'entrée de sorte à émettre à la sortie le signal utile sensiblement exempt de toute interférence sinusoïdale. Dans le cas de signaux à corrélation multiple, le présent système de filtration donne, en régime continu, un fonctionnement sensiblement meilleur que celui du filtre adaptif à crevasse de type bien connu Widrow-Hoff.
Patent CA-1191595-A (CA)
Inventor: MORIO MINORU
IPC: G11B5/09
Filed: 1983-02-01
Granted: 1985-08-06
Abstract: ABSTRACT OF THE DISCLOSURE     Apparatus for recording an information signal comprised of at least an analog audio signal in a plurality of successive tracks on a magnetic tape includes a PCM processing circuit for converting an analog audio signal into a PCM audio signal; a video signal processing circuit for processing a video signal to produce an output video signal; a rotary magnetic head assembly for recording the output video signal and the PCM audio signal in the plurality of successive tracks on the tape; a switch assembly for supplying the output video signal and the PCM audio signal to the rotary magnetic head assembly; and a control circuit for controlling the switch assembly to supply the output video signal and the PCM audio signal to the rotary magnetic head assembly during a video use mode so that the latter records the output video signal in a main section of each track and to supply only the PCM audio signal to the rotary magnetic head assembly during an audio use mode so that the latter records the PCM audio signal in different segments of the main section and overscan section of each track.
Patent CA-1200475-A (CA)
Inventor: EDDENS FLETCHER C
IPC: G21C21/02
Filed: 1983-02-25
Granted: 1986-02-11
Abstract: ABSTRACT OF THE DISCLOSURE      There is provided a nuclear fuel element having a zirconium alloy cladding tube with improved corrosion resistance.  The cladding tube comprises a metallurgical gradient across the width of the tube wall wherein the tube has a more corrosion-resistant metallurgical condition at the outer circumference and a less corrosion-resistant metallurgical condition at the inner circumference.  The metallurgical gradient can be generated by heating an outer circumferential portion of the tube to the high alpha or mixed alpha plus beta range while maintaining the inner surface at a lower temperature, followed by cooling of the tube.
Patent CA-1222935-A (CA)
Inventor: RASMUSSEN OLE-BENDT
IPC: B29C55/06
Filed: 1983-03-25
Granted: 1987-06-16
Abstract: Abstract of the Disclosure A method of preparing a high strength sheet material com-prising (a) forming a laminate comprising at least two layers of a thermoplastic polymer material, each layer having a fibrillar grain structure providing a predominant direction of splittability in each said layer, and wherein the layers are bonded to one another with the said predominant directions of splittability transverse to each other, (b) biaxially orienting the molecules of said layers by stretch-ing the layers in substantially uniaxial steps, the transverse stretch-ing being effected by applying pressure to the surface of the laminate along lines extending substantially in the longitudinal direction of the laminate to impart thereto a waved configuration, and (c) subjecting the biaxially oriented laminate to a heat treatment while allowing at least 7% shrinkage of the laminate to take place in at least its trans-verse direction.
Patent CA-1207269-A (CA)
Inventor: SCHNEPF STEPHEN JR
IPC: C10G27/02
Filed: 1983-04-15
Granted: 1986-07-08
Abstract: METHOD OF TREATING OIL FIELD PRODUCED   FLUIDS WITH CHLORINE DIOXIDE                      ABSTRACT        In the recovery of oil from wells, the oil re-covered from the wells is combined with other fluids and particles, including water, chemicals and solids. Disclosed herein is a method for treating the other fluids and particles by preparing an aqueous solution of chlorine dioxide and injecting the chlorine dioxide into the other fluids and particles.  The chlorine di-oxide functions as an emulsion breaker, as a reverse emulsion breaker for water clarification, as a bio-cide to oxidize iron sulfide, as a sludge oil treatment and a hydrogen sulfide scavenger.
Patent CA-1204038-A (CA)
Inventor: SHICHMAN DANIEL
IPC: A61B17/115
Filed: 1983-09-21
Granted: 1986-05-06
Abstract: A FLEXIBLE HYDRAULICALLY ACTUATED DEVICE    FOR APPLYING SURGICAL FASTENERS            ABSTRACT OF THE DISCLOSURE An apparatus for applying surgical fasteners to tissue is disclosed.  The apparatus includes an actuator, an applicator section for applying the fasteners and a transversely flexible shaft connecting the applicator and the actuator.  The actuator and applicator preferably each contain a hydraulic fluid chamber.  The chambers communicate via a hydraulic line contained in the flexible shaft.  Actuation of the instrument causes movement of a piston in the applicator fluid chamber, which causes application of the fasteners.  A similar second hydraulic system is preferably provided for adjusting the axial posi-tion of an anvil used to clinch the fasteners.  The two hydraulic control systems are operable wholly independently of each other, permitting precise con-trol of the anvil pressure on the tissue.
Patent CA-1228846-A (CA)
Inventor: COURDUVELIS CONSTANTINE I
IPC: B01J23/96
Filed: 1984-02-13
Granted: 1987-11-03
Abstract: ABSTRACT     A method for the recovery and reuse of an expensive palladium-tin catalyst whereby alkali hydroxide or carbonate is added to the exhausted catalytic solution and/or the spent rinse water solution to precipitate out a catalyst residue, which is then filtered, collected, washed, and dissolved in a hydrohalide acid and adjusted to a predetermined concentration.
Patent CA-1225096-A (CA)
Inventor: MALPASS DENNIS B
IPC: C08F4/64
Filed: 1984-03-30
Granted: 1987-08-04
Abstract: ABSTRACT OF THE DISCLOSURE       Generally, linear polyethylene containing long chain branching is obtained by polymerizing ethylene in the presence of a catalyst comprising a transition metal compound such as titanium chloride, an   organoaluminum   compound   represented   by   the   formula RlR2AlRp  wherein   Rl    &   R2   are   the   same   or   different hydrocarbyl groups having from 1 to 18 carbon atoms and Rp is a polymeric hydrocarbyl group containing long chain branching and an aluminum alkyl cocatalyst.
Patent CA-1229446-A (CA)
Inventor: SCHILLING CURTIS L JR
IPC: C08G77/60
Filed: 1984-03-30
Granted: 1987-11-17
Abstract: POLYSILANE PRECURSORS CONTAINING OLEFINIC        GROUPS FOR SILICON CARBIDE                     ABSTRACT This invention is concerned with novel polysilanes containing olefinic groups which are prepared by reactions of halogen-containing organosilane monomers or mixtures thereof with sodium metal in an appropriate solvent or mixture of solvents.  Such polysilane polymers are soluble and thermoplastic, and can be directly converted to silicon carbide compositions by pyrolysis at atmospheric pressure.
Patent CA-1225564-A (CA)
Inventor: HEILE BERNARD J
IPC: C11D3/395
Filed: 1984-04-26
Granted: 1987-08-18
Abstract: Abstract A stable, highly alkaline liquid warewashing emulsion composition can comprise an effective hardness sequestering amount of a sodium condensed phosphate, a detergent building amount of sodium hydroxide, an effective stain-removing amount of an inorganic source of chlorine, and an emulsion stabilizing amount of a magnesium oxide-silicon dioxide clay thickener, which can be used in wash water at concentrations of less than about 2% to clean and destain tableware.
Patent CA-1203102-A (CA)
Title: Ensemble de securite pour bouche d'acces
Inventor: LECUYER MAURICE
IPC: E02D29/14
Filed: 1984-05-04
Granted: 1986-04-15
Abstract: Ensemble de sécurité pour bouche d'accès comportant un anneau d'ajustement ayant un épaulement radial faisant saillie vers l'intérieur et à sa base et sur lequel vient reposer une grille de sécurité dont le pourtour externe a un diamètre lui permettant de coulisser librement au travers de l'anneau d'ajustement. Selon un autre aspect, l'épaulement est prévu à la base d'un cadre, support de tampon,et cette grille est pourvue de bras radiaux pouvant coulisser dans des rainures prévues sur la surface interne de l'anneau d'ajustement pour permettre à la grille de pouvoir être mise en place sur l'épaulement ou retirée en faisant coulisser les bras de la grille au travers des rainures de l'anneau d'ajustement.
Patent CA-1230691-A (CA)
Inventor: TURNEY STEPHEN D
IPC: G09G3/06
Filed: 1984-06-01
Granted: 1987-12-22
Abstract: IMPROVED BRIGHTNESS CONTROL FOR   VACUUM FLUORESCENT DISPLAYS ABSTRACT OF THE DISCLOSURE A vacuum fluorescent display is provided with control means for turning on the display elements by means of a control signal which is in phase with the AC voltage supplied to the cathode of the display.  The control signal has a duty cycle which is symmetrical about the zero crossing points of the AC voltage.  As a result, the display produces light output only during time periods that are symmetrical about the zero crossings of the AC voltage.  In this manner, uniform brightness of the display is perceived.
Patent CA-1250231-A (CA)
Inventor: BERKE CARL M
IPC: G01N33/543
Filed: 1984-06-04
Granted: 1989-02-21
Abstract: ABSTRACT OF THE DISCLOSURE A multilayer element for the analysis of a liquid containing an analyte comprising a reaction layer which retains a predetermined amount of a diffusible reagent containing a detectable species; said reagent adapted to be rendered substantially non-diffusible by said analyte as a function of the concentration of said analyte; a registration layer adapted to receive reagent diffusing thereto; means for detecting said reagent in said registration layer and an insulating layer intermediate said reaction layer adapted to provide discrimination between detectable species in said reagent layer and said registration layer.
Patent CA-1229558-A (CA)
Inventor: WALLER JAMES E
IPC: B01D46/30
Filed: 1984-07-13
Granted: 1987-11-24
Abstract: ABSTRACT OF THE DISCLOSURE     The hygroscopic breather cap for a fluid such as a liquid petroleum tank in which air enters the bottom of an elongated cylinder, passes through a knitted fabric filter to remove dust particles, passes through a desiccant along the entire height of the cylinder to remove moisture, passes through a second knitted fabric filter to remove desiccant fines, and then passes into the opening of a standpipe for passage downwardly along the axis of the cylinder into the petroleum tank.  A window may be provided in the top of the cylinder to view the condition of the desic-cant, or alternatively, the body of the cylinder may be made transparent.  A number of reduced strength areas may be provided at the bottom of the cylinder so that the effective size of the opening to the atmosphere may be selectively varied.  A removable cap permits a recharging of the cylinder with desiccant.
Patent CA-1197252-A (CA)
Inventor: TEETZ VOLKER
IPC: C07D209/20
Filed: 1984-07-24
Granted: 1985-11-26
Abstract: Abstract of the Disclosure A process is provided for the production of compounds of formula   wherein (II) R1 denotes hydrogen, allyl, vinyl or a side-chain of a naturally occurring .alpha.-aminoacid R1-CH(NH2)-COOH, which may be protected, R2 denotes hydrogen, (C1-C6)-alkyl, (C2-C6)-alkenyl or aryl-(C1-C4)-alkyl, Y  denotes hydrogen or hydroxyl and Z  denotes hydrogen, and X  denotes (C1-C6)-alkyl, (C2-C6)-alkenyl or (C5-C9)-cycloalkyl, or (C6-C12)-aryl, which can be mono-, di- or tri-substituted by (C1-C4)-alkyl, (C1-C4)-alkoxy, hydroxyl, halogen, nitro, amino, (C1-C4)-alkylamino, di-(C1-C4)-alkylamino or methyl-enedioxy, or denotes indol-3-yl.          Also provided are products of the formula IV                         when produced by the above-mentioned process, wherein X, R1 and R2 have the above-mentioned meanings, W' denotes a radical which can be split off under basic or acidic conditions or by hydrogenolysis and R2 is not benzyl or nitrobenzyl if W' is benzyl.  These compounds are useful starting materials for the preparation of cis, endo-azabicyclo-[3.3.0]-octanecarboxylic acids, which in turn are useful for their long-lasting intense hypotensive action.
Patent CA-1217774-A (CA)
Inventor: BURSON RICHARD L
IPC: C07D213/80
Filed: 1984-09-05
Granted: 1987-02-10
Abstract: ABSTRACT    Novel halopyridine, e.g. 2,3-dichloro--5-iodopyridine, methods of making, and its use to make methyl 2-(4-((3-chloro-5-iodo-2-pyridinyl)-oxy)phenoxy)propionate, the latter being useful as an herbicide.
Patent CA-1197018-A (CA)
Inventor: DUMMERMUTH ERNST H
IPC: G06F9/46
Filed: 1984-10-17
Granted: 1985-11-19
Abstract: MODULAR PROGRAMMABLE                         CONTROLLER     Abstract of the Disclosure A programmable controller is formed by connecting separate functional modules to a common backplane bus.  A bus arbitration scheme and a message handling technique are disclosed to tightly couple the functional modules together to form an efficient programmable controller.  A number of improvements to the CPU module and I/O scanner module are disclosed to further improve the performance of the resulting system.
Patent CA-1251921-A (CA)
Inventor: PETERS DONALD C
IPC: B23P15/24
Filed: 1984-12-21
Granted: 1989-04-04
Abstract: Abstract of the Disclosure This invention relates to a method for forming a die for use in fabricating a ceramic honeycomb monolith structure having passages  separated by walls having predetermined thicknesses. The method involves forming slots in the die  and then applying a uniform coating of  iron  boride,  chromium  carbide,  aluminum  oxide, titanium   carbide, titanium   nitride   or   titanium carbonitride to the slot-defining surfaces of the die through CVD, the coating ranging in thickness up to 30 microns  and  being  controlled  in  thickness  to  ? 1 micron.
Patent CA-1242405-A (CA)
Inventor: ERIKSSON BROR A
IPC: G09F9/37
Filed: 1985-02-19
Granted: 1988-09-27
Abstract: A B S T R A C T     A running endless belt (11) carries balls (31) inserted in and partly extending above the upper face of the belt. At a sorting station (B) certain balls are allowed to drop by gravity through a slot (25) in the support (23) and are collected at a store (45) inside the belt loop. Remaining balls form Braille symbols which can be read-off at the exposition area (C) by tactile perception.          Empty belt holes are then refilled with balls, and the course is repeated. A displaceable bar (33) blocks the slot selectively under the control of signal input means (39, 40, 42). The invention solves the problem of making extensive literature available to people with visual defects at a low cost.     Figure 1.
Patent CA-1251811-A (CA)
Inventor: KLEU GERHARD
IPC: E04H3/24
Filed: 1985-04-02
Granted: 1989-03-28
Abstract: ABSTRACT OF THE DISCLOSURE     An adjustable-height scaffolding comprises a plurality of telescoping  variable height adjustable supports each having an outer pipe and an inner pipe slidably mounted inside the outer pipe  of  the  supports  and  two  scaffolding platforms pivotally attached  to  the  top portion of  the  telescoping support with horizontal pivot axes.  The scaffolding is structured so that each of the scaffolding platforms has an upright resting position for storage, transport, and the like and a collapsible horizontal working position.   Four of the telescoping supports are provided as central  supports for the scaffolding.   The central supports form the corner  posts  for  a substantially  rectangular frame supporting  the scaffolding platforms.   Two of  the telescoping central supports are pivotally attached to each one of the scaffolding platforms adjacent the other one of the scaffolding platforms.  The top portion of the inner pipes of the corner posts are attached pivotally to the scaffolding platforms.  The pair of corner posts associated with each of the scaffolding platforms is independent of the other pair of corner posts so that the heiqhts of each platform are independently adjustable.
Patent CA-1252436-A (CA)
Inventor: BUNSCHOTEN GERRIT K
IPC: G01F11/28
Filed: 1985-05-08
Granted: 1989-04-11
Abstract: Abstract The invention pertains to a liquid-dispensing container which comprises a squeezable reservoir, a dosage chamber, a duct connecting both chambers and a discharge duct which extends from the dosage chamber defining a non-linear flow path for the liquid to be dispensed. The container provides improved safety to the user.