baber/WOPTO huggingface dataset:
Patent CA-2197221-A1 (CA)
Title: Programmable logic module and architecture for field programmable gate array device
Inventor: LIEN JUNG-CHEUN
IPC: H03K19/173
Filed: 1995-10-27
Abstract: A user-programmable gate array architecture includes an array of logic function modules which may comprise one or more combinatorial and/or sequential logic circuits. An interconnect architecture comprising a plurality of horizontal and vertical general interconnect channels, each including a plurality of interconnect conductors some of which may be segmented, is imposed on the array. Individual ones of the interconnect conductors are connectable to each other and to the inputs and outputs of the logic function modules by user-programmable interconnect elements. A local interconnect architecture comprising local interconnect channels is also imposed on the array. Each local interconnect channel includes a plurality of local interconnect conductors and runs between pairs of adjacent ones of the logic function modules.
Patent CA-2198505-A1 (CA)
Title: Procede pour abaisser la teneur en cations multivalents de solutions aqueuses
Inventor: DELMAS FRANCOIS
IPC: B01J47/10
Filed: 1995-08-08
Abstract: The process comprises the circulation through a column of the liquid to be purified and a superabsorbent, preferably of the polyacrylic type, the rising speed of the liquid being selected so that, in the column, a superabsorbent simply swollen is in a stationary dynamic condition, while the superabsorbent charged with multivalent ions forms sediments at the base of the column. Application to the treatment of water used for rinsing parts which have been subjected to a nickeling treatment.
Patent CA-2203834-A1 (CA)
Title: Vacuum/heat formed cushion
Inventor: GRAEBE ROBERT H
IPC: A47C27/14
Filed: 1995-10-24
Abstract: A vacuum or heat formed cushion (10) having upstanding cells (12) of thin (15-40 mil) wall thickness and having rectangular body sections with upwardly inclined (10·-40·) triangular top panels. The cushions (10) can be attached together to form a mattress or used individually as a wheelchair or other chair or back cushion. The cells (12) of the cushion can all be interconnected or the cushion can be divided in two or more independently inflated compartments. A special wheelchair cushion has cells of different shapes, sizes and heights to promote positioning of a user on a wheelchair. The cushion (10) has openings through the base to allow it to be placed on a manifold so that body fluids can drain away from the patient and conditioned air can be supplied to the patient. The top surfaces of the cells (12) are textured to prevent sealing off the pores of the user's skin.
Patent CA-2204212-A1 (CA)
Title: Load actuation circuit with a surge protecting function
Inventor: BAN HIROYUKI
IPC: H03K17/00
Filed: 1997-05-01
Abstract: In a load actuation circuit of an emitter-follower circuit arrangement, a surge detection circuit detects a power surge voltage superposed on a power voltage of a power line. A feed circuit supplies current to a control electrode of an output transistor (i.e. emitter-follower transistor) from the power line to turn on the output transistor forcibly when any power surge voltage is detected by the surge detection circuit. Thus, the power surge voltage is absorbed by the output transistor.
Patent CA-2207018-A1 (CA)
Title: Diltiazem hydrochloride formulation
Inventor: SHERMAN BERNARD CHARLES
IPC: A61K31/55
Filed: 1995-12-01
Abstract: A pharmaceutical formulation containing diltiazem hydrochloride suitable for once daily oral administration comprising a blend of beads having three differing dissolution profiles.
Patent CA-2208375-A1 (CA)
Title: 3-aryl-tetronic acid derivatives, the production thereof and the use thereof as antiparasitic agents
Inventor: BECK GUNTHER
IPC: C07D335/02
Filed: 1995-12-11
Abstract: The invention concerns novel 3-aryl-4-hydroxy-.DELTA.3-dihydrofuranone derivatives of formula (I), wherein: A and B together with the carbon atom to which they are bound form a five to seven member ring which is interrupted by at least one heteroatom and either unsubstituted or substituted; X represents alkyl, halogen or alkoxy; Y represents hydrogen, alkyl, halogen, alkoxy or halogenated alkyl; Z represents alkyl, halogen or alkoxy; n is 0, 1, 2 or 3; G  represents hydrogen (a) or one of the groups (b), (c), (d), (e), (f) or (g) shown; E represents a metal ion equivalent or an ammonium ion; L represents oxygen or sulphur; and R1, R2, R3, R4, R5, R6 and R7 have the meanings indicated in the description. The invention also concerns methods of producing the said compounds and the use of the said compounds as anti-parasitic agents, as well as intermediate products of formula (II) in which R8 represents alkyl.
Patent CA-2208843-A1 (CA)
Inventor: KWAN WILLIAM
IPC: F04D29/54
Filed: 1996-01-25
Abstract: Un diffuseur annulaire (1) servant à alimenter, par exemple, le brûleur pilote et le brûleur principal d'une chambre de combustion annulaire d'une turbine à gaz comprend au moins deux canaux diffuseurs annulaires (5a, 5b) sensiblement adjacents dans le sens radial. Vus dans le sens de la circonférence, ces canaux diffuseurs (5a, 5b) sont subdivisés par une pluralité de séparations (7) en orifices adjacents de sortie d'air (6a, 6b). Les séparations (7) des canaux diffuseurs (5a, 5b) adjacents dans le sens radial sont mutuellement décalées.
Patent CA-2209107-A1 (CA)
Inventor: FALTINGS JOHN P
IPC: G08B29/18
Filed: 1997-07-29
Abstract: An apparatus for detecting intrusions into spaces of various kinds such as apartments, offices, lockers, and the like by either authorized or unauthorized persons is disclosed. The apparatus monitors a specific portal for intrusion occurrence events using an intrusion sensing unit, which communicates intrusion occurrence information to a remote, and possibly hidden monitor unit. The monitor dynamically counts the number of valid intrusion occurrence signals received from the sensing unit and stores the same in non-volatile memory. The number of intrusions stored in memory can be displayed on a display means at the monitor unit, which, in a simple embodiment would take the form of a single, seven segment light emitting diode (LED) display. In addition, the number of intrusions stored in the non-volatile memory can only be reset by the input of a unique, coded personal identification number (PIN) signal from an input keypad located on the monitor unit. More sophisticated embodiments incorporate date and time displays to indicate more specifically the events surrounding a particular intrusion occurrence. Even more sophisticated embodiments incorporate a printer for producing a hardcopy of intrusion occurrence information.
Patent CA-2209655-A1 (CA)
Inventor: BERDAN KARL
IPC: B29C45/76
Filed: 1997-07-04
Abstract: A multiple limbed component is molded in a gas injection mold with a corresponding number of outlets. The outlets are regulated by valves that are operated sequentially to permit progressive expulsion of the excess material in the mold cavity.
Patent CA-2213577-A1 (CA)
Inventor: JOSIC DJURO
IPC: C12N9/64
Filed: 1996-02-14
Abstract: A process for the preparation of factor IX from biological sources by chromatography, characterized in that prior to any chromatographic separations said source is treated with a protein precipitant.
Patent CA-2215796-A1 (CA)
Inventor: BALATONI NICHOLAS A
IPC: H04Q11/04
Filed: 1996-03-19
Abstract: Procédé et appareil (200) servant à convertir un signal analogique de voie téléphonique et un signal numérique 4 fils en un signal numérique unique 2 fils qui peut être transféré sur une ligne unique (205) à paire torsadée. Selon une variante, le procédé consiste à convertir le signal analogique de voie téléphonique en un premier signal binaire, à convertir le signal numérique 4 fils en un second signal binaire, à combiner le premier et le second signal binaire en un signal binaire à débit supérieur, et à convertir le signal binaire à débit supérieur en un signal numérique 2 fils qui peut être transmis à un autre endroit sur une ligne unique à paire torsadée. Selon une autre variante, le procédé consiste à convertir un signal numérique 2 fils en un signal binaire à débit supérieur, à séparer un premier signal binaire et un second signal binaire du signal binaire à débit supérieur et à convertir le premier signal binaire en un signal analogique de voie téléphonique, et à convertir le second signal binaire en un signal numérique 4 fils. L'appareil (200) comprend un terminal à distance (203) de données vocales et numériques, d'installation facile, et un terminal (201) de central téléphonique de données vocales et numériques. Grâce au multiplexage de signaux représentant les signaux analogiques téléphonqiues vocaux et les signaux informatiques 4 fils, l'appareil permet de diviser par 3 le nombre de paires.
Patent CA-2216402-A1 (CA)
Title: Apparatus and method for monitoring and bounding the path of a ground vehicle
Inventor: HERTEL RICHARD J
IPC: B60R25/04
Filed: 1996-04-02
Abstract: The apparatus (12) comprises a GPS receiver (14) for receiving radio signals indicative of the current ground position coordinates of the ground vehicle to which the GPS receiver is coupled. A data base (16) stores ground position coordinates indicative of at least one bounded area of permitted operation for the ground vehicle. A control unit (30) is responsive to the GPS receiver (14) and the data base (16) for comparing the stored coordinates with the current coordinates to determine if the vehicle is outside of the bounded area of permitted operation. A kill switch (34) disables the vehicle when it is outside of the bounded area of permitted operation. A warning light/buzzer (32) can be triggered prior to the activation of the kill switch (34) to warn the operator that the vehicle is about to be disabled.
Patent CA-2217541-A1 (CA)
Title: Biologically degradable polymer mixture
Inventor: LOERCKS JUERGEN
IPC: C08L3/02
Filed: 1996-04-02
Abstract: A biologically degradable polymer mixture contains at least one biopolymer made from renewable raw materials and a polymer selected from the following materials: an aromatic polyester; a polyester-copolymer with both aliphatic and aromatic blocks; a polyester amide; a polyglycol; a polyester urethane;  and/or mixtures of these components.
Patent CA-2219355-A1 (CA)
Inventor: BERUBE REAL
IPC: G07F17/32
Filed: 1995-10-16
Abstract: L'invention concerne un jeu à cagnotte progressive offrant aux joueurs une occasion supplémentaire de gagner un prix moyennant une participation relativement faible à la cagnotte dans un casino lors de chaque tour du jeu principal. Le procédé et l'appareil selon l'invention permettent d'accroître l'élément de hasard ou de chance de gagner un prix dans ce jeu a cagnotte progressive. On peut choisir de manière aléatoire une carte gagnante ou une combinaison de cartes gagnantes, ou bien sélectionner de façon aléatoire une personne ou un groupe de personnes susceptibles de gagner sur présentation de ladite carte ou combinaison de cartes. On peut également sélectionner de manière aléatoire le montant du prix, qui sera soit un montant fixe soit un pourcentage de la cagnotte progressive.
Patent CA-2222252-A1 (CA)
Inventor: LAING BRIAN S
IPC: B23K26/28
Filed: 1997-11-25
Abstract: An automatic welder is used in an internal welder unit which travels along the interior of a pipeline and welds the abutting ends of the pipe segments together.  The automatic welder has a carriage assembly that contains a laser source for producing a laser beam, first and second line-up clamp assemblies for aligning the respective abutting ends of the pipe segments together, at least one laser beam conductor, or alternatively a reflecting surface positioned between said first and second line-up clamp assemblies along the axis of said beam, for directing said beam to the abutting ends of said first and second pipe segments, and a drive for rotating the reflecting surface around the axis of said beam to direct the beam to the abutting ends of said pipe segments for welding said pipe segments together. The automatic welder can also be configured as an external welder in which the automatic welder carrying a laser source is carried on a track mounted on the outside of the pipeline. As the external welder orbits around the pipeline, the laser source generates a laser beam which is directed at the junction of the abutting ends of the pipe segments for welding them together. Arc and laser beads can be combined to form a composite welding joint.
Patent CA-2226238-A1 (CA)
Inventor: SMITH SIDNEY K JR
IPC: E21B23/06
Filed: 1998-01-06
Abstract: A dog sub is provided for use in an assembly for running liners with a weight-set packer. The dog sub allows rotation of the work string in an effort to set down weight on the dogs. The dogs are allowed to move radially outwardly by a pick-up force from the surface whereupon a set-down force, the dogs engage the setting sleeve on the weight-set packer. The dog sub is provided with a shear pin or other mechanism that breaks at about the requisite set force necessary to set the weight-set packer. When the assembly is retrieved to the surface, the breakage of the shear mechanism within the dog sub indicates to the surface personnel that an appropriate amount of set-down force has been applied to the weight-set packer below. Each of the dogs has an insert which rides on the polished surface of the packer setting sleeve to protect it as the dog sub is raised to allow the dogs to expand for setting the packer.
Patent CA-2226408-A1 (CA)
Title: Foams made from high internal phase emulsions useful as absorbent members for catamenial pads
Inventor: DYER JOHN COLLINS
IPC: A61F13/00
Filed: 1996-01-11
Abstract: Foams capable of absorbing blood and blood-based fluids, especially menses.  These absorbent foams have high capillary absorption pressures required of absorbents used in catamenial products, yet have sufficient openness to allow free movement of the insoluble components in blood-based fluids such as menses.  These absorbent foams are made by polymerizing high internal phase emulsions (HIPEs) where the volume to weight ratio of the water phase to the oil phase is in the range of from about 20:1 to about 125:1.  These foams are particularly useful as absorbent members for catamenial pads.
Patent CA-2228947-A1 (CA)
Title: Soundproofed conduit to discharge fumes
Inventor: BEUZER GIORGIO
IPC: C21C5/52
Filed: 1998-02-02
Abstract: Soundproofed conduit to discharge fumes, advantageously associated with assemblies to discharge fumes for melting systems in steel production plants, the conduit being located between the ventilation system (14) and an outlet chimney (13), at least the first segment (19a) of the discharge conduit defining a section with a value (A) through which the fumes transit, the conduit (12) defining a path, from the relative ventilation system (14) to the discharge chimney (13), comprising at least two counter-opposed and controlled changes in direction (15a, 15b) defining at least respective consecutive segments (19a, 19b, 19c) arranged one at an angle to another, the changes in direction being functionally configured so as to cause phase and counter-phase effects of the sound waves generated by the fluid in transit, the phase and counter-phase effects having the purpose of at least deadening partly the sound waves caused by the passage of the fluid.
Patent CA-2228958-A1 (CA)
Inventor: VANSTONE SCOTT A
IPC: H04L9/32
Filed: 1998-02-03
Abstract: A method of verifying a pair of correspondents in electronic transaction the correspondents each including a first and second signature schemes and wherein the first signature scheme is computationally more difficult in signing than verifying and the second signature scheme is computationally more difficult in verifying than signing. The method comprises the step of the first correspondent signing information according to the first signature scheme and transmitting the first signature to the second correspondent, the second correspondent verifying the first signature received from the first correspondent, wherein the verification is performed according to the first signature scheme. The second correspondent then signs information according to the second signature scheme and transmits the second signature to the first correspondent, the first correspondent verifies the second signature received from the second correspondent, wherein the verification is performed according to the second signature algorithm; the transaction is rejected if either verification fails. The method thereby allows one of the correspondents to participate with relatively little computing power while maintaining security of the transaction.
Patent CA-2231076-A1 (CA)
Inventor: DUPERRAY GERARD
IPC: C01G29/00
Filed: 1998-03-26
Abstract: Procédé de fabrication du type poudre en tube d'un brin multifilamentaire supraconducteur HTc à matrice à base d'argent, dans lequel : préalablement à l'étape monofilamentaire : on prépare un matériau multicouche composite comprenant au moins une feuille à base d'argent et au moins une couche de matériau céramique non supraconductrice, perméable à l'oxygène, et durant l'étape monofilamentaire on intercale une épaisseur de matériau multicouche composite entre une première et une deuxième épaisseur de matériau à base d'argent, formant ainsi ladite une première enveloppe à base d'argent.
Patent CA-2235792-A1 (CA)
Title: Source d'antenne pour l'emission et la reception d'ondes hyperfrequences polarisees
Inventor: CRUCHON JEAN-CLAUDE
IPC: H01Q21/30
Filed: 1998-05-20
Abstract: L'invention est relative à une source d'antenne pour l'émission et la réception d'ondes hyperfréquences polarisées comprenant un transducteur pour séparer les signaux, à fréquences différentes, d'émission et de réception. La connexion du transducteur (24) à l'élément rayonnant de l'antenne est telle qu'elle maintient l'état de polarisation du signal reçu par l'élément rayonnant et le signal émis vers l'élément rayonnant. Le transducteur comporte un guide d'ondes (26) de section carrée dont une extrémité est connectée à l'élément rayonnant et dont l'autre extrémité est connectée à la voie d'émission (32, 36, 42), les signaux reçus étant transmis par les faces latérales du guide d'ondes (26). Cette source permet l'émission et la réception en bande C élargie, c'est-à-dire 3,4 à 4,2 GHz en réception et 5,85 à 6,65 GHz en émission.
Patent CA-2237903-A1 (CA)
Title: Apparatus and method for controlling the actual transmission power of a base station in a cellular communications system
Inventor: BOESEL ROBERT WRIGHT
IPC: H04B7/26
Filed: 1996-09-09
Abstract: An apparatus and method for controlling a final transmit power, y, of a base station in a cellular communications system that has several channels. The base station has a transmit power tracking gain, y', and a radio frequency transmit power, w. The apparatus comprises channel elements for calculating expected powers, Pk,a - Pk,i, each of which corresponds to a channel. The apparatus also comprises a transceiver system controller (BTSC) for generating a desired output power, yd, of the base station, including an adder for summing the expected powers. The apparatus also includes a transmit power detector for measuring y to obtain a measured transmit power. The apparatus further comprises a radio frequency interface card (RFIC) for generating y'. Finally, the apparatus includes a gain unit for processing y' and w to obtain the final transmit power, y.
Patent CA-2243091-A1 (CA)
Inventor: HERGENROTHER WILLIAM L
IPC: B60C1/00
Filed: 1998-07-10
Abstract: A processable rubber stock is produced by the preparation of a silica-filled, vulcanized elastomeric compound comprising mixing an elastomer with an amorphoussilica filler, from 0 to less than about 1% by weight based on said silica filler of bis[3-(triethoxysilyl)propyl]tetrasulfide, an alkylalkoxysilane and a cure agent. A further processing aid comprising at least one of an ester of a fatty acid or an ester of a polyol is preferred. The elastomer is preferably a diene monomer homopolymer or a copolymer of at least one diene and at least one monovinyl aromatic monomer. By effecting vulcanization, a vulcanized elastomeric compound is produced containing good physical properties for use as tread stock for a pneumatic tire.
Patent CA-2244154-A1 (CA)
Inventor: BODART VINCENT
IPC: C08F4/28
Filed: 1997-01-10
Abstract: Les peroxydicarbonates de dialkyle à courtes chaînes alkyles, de préférence de diéthyle et de diisopropyle, sont mis en oeuvre à la polymérisation en suspension aqueuse du chlorure de vinyle sous la forme d'une solution dans un alkanedicarboxylate de dialkyle liquide et insoluble dans l'eau. Les solvants préférés sont les hexanedicarboxylates (adipates) dérivés d'acide adipique et d'alcanols en C6 à C10. La concentration en peroxydicarbonate desdites solutions s'élève généralement à 15-40 % en poids. Le procédé selon l'invention produit des polymères du chlorure de vinyle de qualité améliorée conduisant à des articles façonnés présentant nettement moins d'oeils-de-poisson. L'invention concerne également un procédé pour la fabrication en deux étapes d'une solution de peroxydicarbonates de dialkyle à courtes chaînes alkyles particulièrement adaptée à la polymérisation en suspension aqueuse du chlorure de vinyle. Selon ce procédé, on met en oeuvre un sel inorganique à l'étape de fabrication du peroxydicarbonate (première étape) et on sépare celui-ci ensuite par extraction au moyen d'un solvant insoluble dans l'eau (deuxième étape).
Patent CA-2245977-A1 (CA)
Title: Speaker unit with boom microphone
Inventor: FRANK CHRISTOPHER L
IPC: H04M1/60
Filed: 1998-08-26
Abstract: A hands-free adapter for a telephone is disclosed. The hands-free adapter includes a housing, a speaker and a microphone that may be electrically coupled to a telephone. The hands-free adapter couples to a cigarette lighter receptacle of a vehicle. This provides power to operate the speaker and the microphone. In addition, power is coupled to the telephone for operating the telephone and charging the telephones batteries. The hands-free adapter also includes an articulating cable for positioning the speaker and the microphone near a user. The microphone is disposed within a boom which is. pivotally coupled to the housing such that the boom may be moved from a retracted position to a fully extended position. The microphone is automatically activated as it is moved out of the retracted position and is automatically deactivated as it is moved back into the retracted position.