baber/WOPTO huggingface dataset:
Patent CA-2202067-A1 (CA)
Title: Ballast circuit
Inventor: XIA YONGPING
IPC: H05B37/02
Filed: 1996-07-31
Abstract: A lamp controller includes an interface circuit, or receiver, which receives an input signal and decodes control signals supplied from a transmitting device, such as a power line wall controller, according to at least two of the following communication techniques: phase angle control, step control, and coded control. The receiver tests the input signal and identifies which type of control technique is employed by the wall controller connected to the lamp controller. The receiver then decodes the control command from the input signal. In a disclosed embodiment, the lamp controller is gas discharge lamp dimming ballast having a two wire input for connection to the hot dimmed and neutral leads of the power line controller.
Patent CA-2203894-A1 (CA)
Title: A vessel for filtering liquids, particularly drinking water
IPC: B01D35/143
Filed: 1995-10-27
Abstract: A vessel for filtering liquids, particularly drinking water, comprises a container (5) for the liquid to be filtered with an openable lid (8), a counting device (15) being associated with the lid (8) for detecting and counting the occasions on which access is gained to the container (5) in order to indicate the need to renew the filtering system.
Patent CA-2204157-A1 (CA)
Title: Children-proof package for active substance-containing plaster
Inventor: BECHER FRANK
IPC: B32B7/022
Filed: 1995-10-26
Abstract: A childproof package for active substance patches is formed as primary package and comprises at least one mechanically tough, in particular tear-resistant layer.
Patent CA-2208042-A1 (CA)
Inventor: FERET BRUNO
IPC: D21H17/35
Filed: 1997-05-30
Abstract: De telles dispersions-latex utilisées dans des formules de collage de papier permettre d'atteindre des valeurs COBB acceptables, même avec des papiers d'impression-écriture ou d'emballage obtenus à partir de pâtes mécaniques désencrées ou recyclées.
Patent CA-2211931-A1 (CA)
Title: Process for closing and hermetically sealing a bottom of a container
Inventor: REA KEITH ROBERT
IPC: B31B17/00
Filed: 1997-07-29
Abstract: A process is provided for closing and hermetically sealing a bottom of a container. A cylindrical container body is provided which has an inside heat-sealable surface and an open bottom end. A flange is formed on and around the bottom end of the cylindrical container body which extends outwardly from the container body at a sharp radius of approximately 90 degrees to an outside surface of the container body and which defines a flat circular heat-sealable surface on an outer side of the flange. A generally circular membrane patch having an inside heat-sealable surface is positioned on the flat circular heat-sealable surface of the container body flange covering the open bottom end of the container body. The heat-sealable surfaces of the container body flange and the membrane patch are heat-sealed to each other for hermetically sealing the container bottom end. If additional strength is desired in the bottom closure of the container, a circular reinforcing plug, preferably with an upwardly extending flange, is positioned on the membrane patch. The container body flange and the membrane patch heat-sealed thereto are then curled inwardly of the container body and over an outside periphery of the reinforcing plug while applying heat and pressure to complete closure of the container body and to maintain the cylindrical shape of the container.
Patent CA-2214980-A1 (CA)
Title: Method and apparatus for mobile station-to-mobile station calls in a mobile satellite communications system with on-board tdma format conversion
Inventor: RAMESH RAJARAM
IPC: H04B7/185
Filed: 1996-03-08
Abstract: A method and apparatus for mobile station-to-mobile station communications in a mobile satellite communications system using an asymmetrical TDMA format is presented. According to the present invention, a first mobile station broadcasts a first signal to an orbiting satellite using a first TDMA format.  The satellite receives the first signal, maps the first TDMA format to a second TDMA format and broadcasts a second signal having a second TDMA format to a second mobile station.
Patent CA-2215943-A1 (CA)
Title: Surgical anchoring piece for ligaments
Inventor: COLLETTE MICHEL
IPC: A61B17/04
Filed: 1995-03-21
Abstract: This invention relates to a surgical anchoring piece (1) for fitting a ligament or the like (8) at the proximal outlet of a tunnel (6, 7) bored in a bone (9). In a preferred embodiment, the anchoring piece (1) is made of an elongate body (2) provided with a milled section (3) perpendicular to the longitudinal axis of the elongate body which is designed for sliding and fastening of a pull wire (5) and a tape (4) for fastening the ligament or the like. The ligament, which is fastened to the anchoring piece (1) by the tape (4) is driven towards the end of the tunnel (6) by pulling on the wire (5); once out of the tunnel (7), the anchoring piece (1) pivots until it lies across the mouth of the tunnel (7) and locks the ligament in position in the tunnel (6).
Patent CA-2215955-A1 (CA)
Title: Packaging machine for multi-packs
Inventor: CHALENDAR ERIC
IPC: B65B59/00
Filed: 1996-03-26
Abstract: A packaging machine for packaging articles into cartons has a carton conveyor for conveying an open-ended carton (ct) through the machine, an article infeed for directing articles along an infeed path toward the carton conveyor, and an article group-forming conveyor comprising a plurality of spaced metering bars (m) moving along the conveyor for intersecting the infeed path to separate articles into groups of predetermined pattern. The metering bars at a first end of the group-forming conveyor are disposed away from cartons on the carton conveyor and, during movement along the group-forming conveyor, are moved laterally to extend at least partially between adjacent ones of the cartons. The group-forming conveyor further includes a series of carriers, the metering bars being detachably mounted to selected ones of the carriers in a predetermined pattern.
Patent CA-2216069-A1 (CA)
Title: Bluntly pointed tongue marking tag
Inventor: LINQUIST JOHN B
IPC: G09F3/04
Filed: 1997-09-17
Abstract: The marking tag for banded merchandise has a resilient flat sheet with printed matter on at least one surface and an outer perimeter defining the outer limits of the body. Entirely within the outer perimeter is a pair of openings in spaced relationship and a slit connecting the pair of openings and forming a resilient bluntly pointed tongue in the body. The tongue has opposing straight side portions in an angular relationship greater than 40 degrees and less than 80 degrees and the opposing sides converge toward each other and are conjoined at the bluntly pointed tip. The bluntly pointed tongue is easily temporarily deflected from the plane of the body by finger pressure to readily insert the tip underneath a band about banded merchandise and slide the tongue fully under the band to seat the band in the pair of openings. The tag is thus placed in a substantially flush condition against the handed merchandise.
Patent CA-2217259-A1 (CA)
Inventor: WILLIAMS THOMAS H
IPC: H04J11/00
Filed: 1997-10-02
Abstract: Système et méthode de démodulation d'un signal RF sur un canal de transmission. Le signal RF est démodulé vers la bande de base en un  signal de données en phase (I) et un signal de données en quadrature (Q). Un premier bloc de données I est saisi et un premier bloc de données Q est saisi. Un intervalle de garde de domaine temporel est prévu dans les premiers blocs de données I et Q saisis. Une transformée de Fourier discrète complexe est appliquée aux premiers blocs de données I et Q saisis. Une réponse en fréquence inverse pour le canal de transmission est déterminée et multipliée par la transformée de Fourier appliquée aux premiers blocs de données I et Q protégés par des intervalles de garde afin de générer un signal en domaine fréquentiel. Une transformée de Fourier inverse est appliquée au produit de ladite multiplication afin de produire un premier signal en domaine temporel égalisé. Dans une version préférée, la méthode comprend en outre l'utilisation d'une transformée de Fourier superposée et le rejet d'une première partie de chaque signal en domaine temporel égalisé.
Patent CA-2218591-A1 (CA)
Inventor: SELIVANOV NIKOLAI IVANOVICH
IPC: C10G31/10
Filed: 1995-04-18
Abstract: Cette invention concerne un procédé ainsi qu'un appareil destinés au conditionnement de liquides hydrocarbures par application à ces derniers de vibrations mécaniques avant d'effectuer leur fractionnement. Ce procédé consiste à introduire le liquide dans la cavité (1) d'une roue de travail rotative (2), à évacuer ce liquide par l'intermédiaire d'orifices de sortie (8) dans une chambre annulaire (4) définie par la roue de travail et le stator (7), puis, enfin, à récupérer ledit liquide. Il est préférable de respecter les proportions empiriques suivantes: R = 1,1614 K/mm; .DELTA.R = 1,1614 B/mm et n = 3,8396 K?-1,5¿ 10?6¿ tours/mm, où R est le rayon de la surface périphérique cylindrique de la roue de travail; .DELTA.R est la dimension radiale de la chambre annulaire; n est la fréquence de rotation de la roue de travail; K est le nombre d'orifices de sortie dans la roue de travail, et B est un nombre entier situé entre 1 et K/5.
Patent CA-2219387-A1 (CA)
Title: Apparatus with adjustable circumference made up of a plurality of interconnected shoes
Inventor: BYERLEY MARK S
IPC: B29D30/26
Filed: 1997-10-27
Abstract: Apparatus including a frame, preferably circular in geometry and having a rental axis. At spaced apart locations about the circumference of the frame there are provided a plurality of links, each of which is pivotally mounted on a the frame and each of which carries a shoe having an arcuate surface. Each link includes at least one leg portion having an outboard end, The outboard ends of the leg portions of the plurality of links are interconnected with one another and with a drive mechansim whose operation serves to rotate the interconnected links in unison about their respective rotational mountings to the frame. As the links are rotated, their respective shoes are caused to move along an arcuate path which repositions the shoes generally radially inwardly or outwardly with respect to the central axis of the apparatus. To retain the circularity of the arcuate surfaces of the shoes as they are moved radially inwardly and outwardly, the shoes are interconnected by respective rigid rods. One end of each rod is fixedly anchored in a slot opening outwardly of one side margin of a first shoe and projects therefrom to have its opposite end slidably received in a second slot in a circumferentially adjacent shoe. The slots and rod share a common longitudinal axis, which axis is oriented normal to a radius of the frame.
Patent CA-2219906-A1 (CA)
Title: Lightweight video cassette cartridge
Inventor: JONES CHARLES R JR
IPC: G11B23/113
Filed: 1996-05-06
Abstract: A lightweight video cassette cartridge (10) formed of recyclable materials is provided. The cassette cartridge includes a video tape housing (12) and a dust cover (14). The dust cover includes a base portion (26) fixedly attached to the video tape housing and a tear strip (28) releasably attached to the base portion for covering the video tape contained in the video tape housing when attached to the base portion and for re-exposing the video tape for play in a VCR when removed from the base portion.
Patent CA-2221328-A1 (CA)
Inventor: WINTRICH FRANZ
IPC: F23N5/08
Filed: 1997-11-17
Abstract: An apparatus for monitoring a flame is disclosed. It comprises a video camera looking in flame direction and a plurality of light guide fibers observing the flame surroundings. These optical elements are mounted in a  lance  including  a double-walled  pipe through which  cooling water flows.
Patent CA-2221886-A1 (CA)
Title: Cementious product and method for producing same
Inventor: VERHILLE MARCEL
IPC: C04B28/02
Filed: 1996-05-15
Abstract: PCT No. PCT/FR96/00732 Sec. 371 Date Nov. 14, 1997 Sec. 102(e) Date Nov. 14, 1997 PCT Filed May 15, 1996 PCT Pub. No. WO96/36577 PCT Pub. Date Nov. 21, 1996A cement-based product is characterized by constituting a cement and filler mixture into which is incorporated a combination of a cationic additive and an anionic additive.
Patent CA-2223857-A1 (CA)
Title: An optical spray paint optimization system and method
Inventor: BADAKHSHAN ALIREZA
IPC: B05B15/68
Filed: 1996-07-19
Abstract: An optical spray paint optimization system can be removably mounted to a spray paint gun, thus enhancing the ability of the user to guide the direction of the spray and also locate the nozzle at an optimum spray distance from the surface being painted. The preferred apparatus uses a diode laser, a beam splitter and a reflecting mirror to generate a reference beam and a gauge beam. The reference beam propagates in a fixed forward direction, but the direction of the gauge beam is adjustable by adjusting the attitude of the reflecting mirror. The reference beam and the gauge beam intersect at a convergence point which can be repositioned to a selected distance from the nozzle of the spray painting system by adjusting the path of the gauge beam, thus allowing the user to spray at the optimum spray distance by locating the convergence point on the surface being painted. The beams also aid in aiming the spray.
Patent CA-2224021-A1 (CA)
Title: Method and apparatus for navigating close proximity routes with a vehicle navigation system
Inventor: ZUBER GARY
IPC: G08G1/0969
Filed: 1997-12-05
Abstract: A method and apparatus are provided for generating a route from a source location to a destination in a vehicle navigation system. Initially, the system generates a first partial route from the source location to the end of the first partial route. The system then determines whether a second maneuver is within a first distance from a first maneuver at the end of the first partial route. Where the second maneuver is within the first distance, the system increases the cost associated with the second maneuver. The system then generates a second partial route from the end of the first partial route to the destination, generation of the second partial route being based at least in part on the cost associated with the second maneuver.
Patent CA-2225319-A1 (CA)
Title: Flame disgorging two stream tangential entry nozzle
Inventor: SNYDER TIMOTHY S
IPC: F23C99/00
Filed: 1997-12-19
Abstract: A tangential air entry fuel nozzle has a longitudinal axis and two cylindrical-arc scrolls with the centerline of each offset from that of the other. Overlapping ends of these scrolls form an air inlet slot therebetween for the introduction of an air/fuel mixture into the fuel nozzle. A combustor-end endplate has a central opening to permit air and fuel to exit into a combustor, while at the opposite end another endplate blocks the nozzle flow area. The scrolls are secured between these endplates. A centerbody is located between the scrolls coaxial with the axis. The centerbody has a base which includes at least one air supply port extending therethrough, and an internal passageway. The centerbody includes a frustum portion and aerodynamic ramps that prevent flow reversal and flame stabilization between the endplates.
Patent CA-2226575-A1 (CA)
Inventor: ANDYA JAMES
IPC: A61K38/00
Filed: 1996-07-23
Abstract: Formulation de protéine lyophilisée stable pouvant être reconstituée au moyen d'un diluant approprié pour donner une formulation reconstituée à forte concentration en protéine se prêtant à une administration sous-cutanée. Par exemple, des formulations d'anticorps anti-IgE et anti-HER2 ont été préparées par lyophilisation de ces anticorps en présence d'un lyoprotecteur. Le mélange lyophilisé ainsi obtenu est reconstitué pour donner une forte concentration en protéine sans perte apparente de stabilité de la protéine.
Patent CA-2226762-A1 (CA)
Inventor: STOLYAR ALEKSANDR L
IPC: H04W36/08
Filed: 1997-02-13
Abstract: Afin d'atténuer les effets indésirables du phénomène de déséquilibre de charge inhérent aux systèmes de communication sans fil, à plusieurs porteuses et à spectre étalé, ce système met en oeuvre de manière avantageuse une technique de transfert en tant que moyen destiné à équilibrer le trafic d'appel (appelé communément "charge") parmi une pluralité de porteuses d'un système de communication. Selon l'invention, le système de communication sans fil et à plusieurs porteuses contrôle (214) une pluralité de mesures correspondant à la charge supportée par chaque porteuse de la pluralité de porteuses du système, et en fonction de ces mesures, transfère (220) le trafic d'appel vers la pluralité de porteuses ou le répartit entre celles-ci, atténuant ainsi les effets indésirables inhérents au déséquilibre de charge.
Patent CA-2226912-A1 (CA)
Title: Polystyrene a haute resistance moule de maniere a conserver une memoire de forme
Inventor: GOULDING BLUE H E
IPC: B32B7/02
Filed: 1996-11-21
Abstract: L'invention porte sur un produit composite constitué de polystyrène expansé, moulé de manière à conserver une mémoire de forme, de densité renforcée, et très résistant à l'impact. Ledit produit est obtenu par moulage de perles de polystyrène pré-expansées, non équilibrées à un premier volume, à les refroidir rapidement, puis à les mouler sous pression jusqu'à un volume final moindre. Le produit résultant présentera une densité accrue et une forte résistance à l'impact sans toutefois devenir plus fragile. Le produit obtenu est un produit multicouche, et chaque couche (11, 12, 13) a une densité différente. Il comporte de plus une mémoire en ce sens qu'il reprend sensiblement sa forme originale après un impact.
Patent CA-2231281-A1 (CA)
Title: Packet switched traffic management in a cellular telecommunications system
Inventor: GRIMLUND OLLE ERIK
IPC: H04L12/56
Filed: 1996-09-13
Abstract: A method and system of packet switched traffic management in a cellular telecommunications system is provided. The invention comprises a packet switched radio channel (PRCH) manager (402) for each cell of a cellular system and a PRCH controller (406) for each PRCH in the cell. The PRCH manager interacts with and, controls one or more PRCH controllers. The PRCH manager performs the functions of evaluating service requests, handling a PRCH  admission queue and managing the active PRCHs of the cell. The PRCH  controllers perform the functions of supervising ongoing traffic, controlling admission and controlling traffic congestion for each individual PRCH. The invention allows a system operator to set a maximum tolerable delay for each PRCH and a priority for each packet call. By selectively choosing the maximum tolerable delays and priorities within the system, the system operator can reduce the probability that a PRCH user is subject to unacceptable packet transmission delay.
Patent CA-2239664-A1 (CA)
Title: Tone location device for locating faults in a paired line
Inventor: CRICK ROBERT G
IPC: G01R31/08
Filed: 1998-06-04
Abstract: A device and method are provided for locating faults in a paired line. The fault locating device has a transmitting unit connectable to the conductors of a paired line containing the fault. The device also has a portable receiving unit to track the path of the paired line. The transmitting unit contains circuits for creating and transmitting a locator signal and a carrier signal including synchronization through the conductors toward the receiving unit. The receiving unit contains a pickup coil positioned proximal to the paired line, inducing induced locator and carrier signals in the pickup coil. The receiving unit also contains circuits for processing the induced locator and carrier signals and for producing a synchronization signal used to detect and segregate a component of the induced locator signal which is indicative of a fault. The presence or absence of the indicative component is communicated to an operator by means of an audible or visual fault indicator.
Patent CA-2242103-A1 (CA)
Title: Differential pressure measurement systems for fluid streams
Inventor: DELATORRE LEROY C
IPC: E21B47/10
Filed: 1996-12-05
Abstract: A differential pressure device installed in a side pocket tool (146) for use in a borehole where a differential pressure (P1, P2) is converted into a linear motion by a main bellows (62) and this main bellows is connected by a linear to rotative force device or torque converter (86) to develop a torque force about the torque axis (44). A second bellows (80) is used as an interior, control bellows for limiting the differential pressure applied to the exterior of main bellows (62) so that overpressure will not destroy either bellows. The torque force is applied to a torque responsive pressure device (146) to develop a pressure signal. The tool is preferably used in a side pocket mandrel (140), and the pressure signal measurements that allow determination of flow rate by standard hydraulic equations can be recorded downhole by a memory recorder (144) or else transmitted to the earth's surface for real time recording.
Patent CA-2242196-A1 (CA)
Inventor: LANGLOIS PIERRE
IPC: H01R43/22
Filed: 1998-07-22
Abstract: A tool for facilitating installation of a conventional cable connector to the end section of a conventional coaxial cable. The tool has a generally "T" shaped handle defining a handle grasping segment and a handle spacing segment.   A tool fastening sleeve is attached to the handle spacing segment. The tool fastening sleeve has an external thread adapted to engage to the internal thread of the fastening sleeve part of the conventional cable connector. The tool fastening sleeve also has a tool fastening sleeve channel for receiving a segment of the inner conductor extending through the conductor fastening sleeve and protruding from the proximal edge of the connector fastening sleeve. The tool is adapted to be releasably secured to the conventional cable connector and used to ergonomically push the latter within the end section of the cable. Once the cable connector is secured to the cable, the tool is threadaly disengaged from the connector.
Patent CA-2242806-A1 (CA)
Inventor: HELSTERN ROBERT PATRICK
IPC: G09F13/00
Filed: 1998-08-27
Abstract: A display system includes a plurality of color filters disposed between a plurality of light sources and a display panel.  A first light source is energizeable to transmit light through a first color filter to illuminate the display panel with a first color (red).  A second light source is energizeable to transmit light through a second color filter to illuminate the display panel with a second color (green).  The first and second light sources are simultaneously energizeable to transmit light through both of the color filters to illuminate the display panel with a third color (yellow).  The display panel includes inner and outer layers containing light absorbing pigment and light scattering particulate.  The outer layer of the panel contains a greater quantity of pigment than the inner layer.  The inner layer of the panel contains a greater quantity of light scattering particulate than the outer layer.  The inner and outer layers of the panel have the same optical density.