baber/WOPTO huggingface dataset:
Patent CA-2195717-C (CA)
Inventor: TAKEUCHI HITOSHI
IPC: B62L3/06
Filed: 1997-01-22
Granted: 2005-10-25
Abstract: A snowmobile having a lightweight fabricated frame assembly. The frame assembly includes a number of reinforcing elements, some of which comprise heat exchangers for the liquid cooling system of the engine, so as to provide high rigidity and light weight. The engine of the snowmobile is provided with an exhaust system that permits a relatively short effective length, but minimizes pulse-back effects by forming internal expansion chambers around the exhaust branch pipes. The drive for the snowmobile includes a reversing transmission and a brake assembly associated therewith in addition to a main brake assembly for the snowmobile. Furthermore, there is provided a parking brake assembly that is easy to operate and which will provide the operator with a visual and physical warning of its condition so that the operator will not attempt to operate the snowmobile with the parking brake engaged.
Patent CA-2198322-C (CA)
Inventor: FUSS FRITZ HELMUT
IPC: E05B47/06
Filed: 1997-02-24
Granted: 2000-08-15
Abstract: An electric door opener with a trimmer actuatable by an armature and a magnet coil and which is adjustably positioned for the release or locking of adoor opener latch. In order to be able to use the electric door opener both as ano-load current door opener and as an operating current door opener, a device is provided by which it is possible to switch the armature-trimmer system from no-load current to operating current, and vice versa.
Patent CA-2198936-C (CA)
Inventor: BONMARTIN MICHEL
IPC: F16L55/16
Filed: 1996-07-18
Granted: 2000-10-10
Abstract: A device sealably connectable to at least one cylindrical element (1, 1') and comprising a first sleeve (2), a second sleeve (3) coaxial with and more flexible than the first sleeve (2), and sealingly secured at both ends to said first sleeve (2), at least two cylindrical rings (4, 5) coaxial with and arranged on the second sleeve (3), one edge of each ring being secured to one end of the second sleeve (3), and at least one injection means (6, 6') for injecting a pressurised fluid between the first (2) and second (3) sleeves.
Patent CA-2201051-C (CA)
Inventor: SHEMITZ SYLVAN R
IPC: F21V11/18
Filed: 1997-03-26
Granted: 2002-04-30
Abstract: A cylindrical luminaire is provided whose components align easily, for quicker assembly, despite the lack of intrinsic preferred relative orientation in circular components.  Circular end plates affixed in a desired alignment to the end of an elongated reflector have notches for alignment of a part-cylindrical cover and slots or pivotal brackets to receive a baffle.  The reflector, cover and baffle are accordingly assembled in proper alignment.  The baffle can be an optical baffle to alter the aesthetic appearance of the luminaire.
Patent CA-2201537-C (CA)
Title: Circuit arrangement for operating electric lamps
Inventor: RUDOLPH BERND
IPC: H05B41/292
Filed: 1997-04-02
Granted: 2004-09-14
Abstract: The invention relates to a circuit arrangement for operating electric lamps, having a free-running half-bridge inverter (Q1, Q2). An auxiliary transistor (T1, T2) is in each case connected into the control circuits of the half-bridge inverter transistors (Q1, Q2), so that the emitter impedance of each half-bridge inverter transistor (Q1, Q2) is formed by a parallel circuit which consists of at least one resistor (R5) or (R7) and the control path, arranged in parallel therewith, of the corresponding auxiliary transistor (T1) or (T2). The control inputs of the two auxiliary transistors (T1, T2) are, furthermore, connected to the output of a common control circuit (IC). These measures make it possible to switch over the effective emitter impedance and therefore the feedback of the half-bridge inverter (Q1, Q2) as a function of the operating phases of the lamp (LP) and thus, in simple fashion, to vary the clock frequency of the half-bridge inverter within wide limits by virtue of the dimensioning of the resistors (R5, R6; R7, R8) of the parallel circuits (R5, R6, T1) or (R7, R8, T2) according to the invention.
Patent CA-2202699-C (CA)
Inventor: SAGAN MICHAEL J A
IPC: B65D43/02
Filed: 1997-04-15
Granted: 2003-04-08
Abstract: A lid for a plastic food container includes a continuous body portion and a continuous rim encompassing and projecting laterally outwardly from the body portion. The body portion includes a peripheral region, a transition region and a central region. The peripheral region encompasses the transition region and the central region, extends between the continuous rim and the transition region andslopes downward at a first acute angle from the continuous rim to the transitionregion. The transition region encompasses the central region, extends between the peripheral region and the central region and includes first and second transition portions. The first transition portion intersects the peripheral region and slopes upward at a second acute angle from the peripheral region to the second transition portion. The second transition portion intersects the central region and slopes upward at a third acute angle from the first transition portion to the central region. The second acute angle is greater than the third acute angle. The transition region includes a plurality of spaced gussets interrupting the first and second transition portions.
Patent CA-2203526-C (CA)
Inventor: ACCORTI PETER R JR
IPC: A61N1/05
Filed: 1996-08-23
Granted: 2008-11-18
Abstract: A catheter includes a torque transmission assembly coupled to an elongate body wherein the torque transmission assembly can transmit torque along the elongate body. The elongate body includes a distal portion and an opposite proximal portion. The torque transmission assembly includes one or more wires extending along the elongate body and one or more exposed segments along the elongate body. The torque transmission assembly ensures that a substantial fraction of the rotational and displacement forces provided along the elongate body are translated to rotational and displacement forces at the distal portion. An electrical connector is coupled to the wires and these wires can conduct electrical current between the electrical connector and at least one of the distal portion and the one or more exposed segments.
Patent CA-2217072-C (CA)
Inventor: HIRAI ISAMU
IPC: G03B7/0805
Filed: 1997-10-01
Granted: 2001-06-12
Abstract: An exposure mode selecting device uses an A-position AE mode code, an M-position AE mode code, and a no-aperture-ring AE mode code, so that a proper exposure mode is selected.  When an interchangeable lens, having an aperture ring being set to an A-position, is attached to a camera body, the A-position AE mode code is set to 0 or 1 so that a program mode or a shutter speed priority mode can be selected.  If the aperture ring is set to one of the M-positions, the M-position AE mode code is set to 0, 1 or 2 so that an aperture priority mode, a manual mode or a bulb mode can be selected.  When an interchangeable lens having no aperture ring is attached to the camera body, the no-aperture-ring AE mode code is set to 0, 1, 2, 3 or 4 so that the program mode, the shutter speed priority mode, the aperture priority mode, the manual mode or the bulb mode can be selected.
Patent CA-2221398-C (CA)
Inventor: LEE DAVID Y
IPC: H04B17/00
Filed: 1997-11-18
Granted: 2002-02-05
Abstract: A method and system are disclosed for determining load on a microcell in a telecommunications network. The network comprises a base station, at least one microcell controlled by the base station, at least one terminal served by the microcell, and feedback between the base station and the terminal. The feedback enables theterminal to provide an up-link signal indicative of a particular down-link signal from the microcell. The method embodiment of the invention involves transmitting a particular down-link signal from the microcell, and receiving an up-link signal from a terminal. Next, a determination is made whether the up-link signal is indicative of the particular down-link signal. If it is, then the load on the microcell includes the terminal. The method and system are particularly useful in CATV networks having a plurality ofmicrocells operating in a simulcast mode. In one preferred embodiment, the microcell transmits the particular down-link signal in a certain pattern, if the up-link signals of the terminal reflect the pattern of the particular down-link signal, then its load on the microcell is confirmed. Once the load of a microcell is determined, then the network may be optimized for capacity and quality. In one embodiment, optimization is performed by altering the RF carrier among the microcells to balance load in thenetwork.
Patent CA-2228868-C (CA)
Title: Feed control device for plumbing tools
Inventor: DUNKIN JON R
IPC: B08B9/04
Filed: 1998-03-09
Granted: 2003-09-09
Abstract: A feed control device particularly suited for mounting on a hand held, power driven drain cleaning apparatus having an elongate rotatable snake comprises a tubular housing having a transverse wall therein provided with a passage for the snake, a pair of driving rolls mounted on the wall for rotation about axes skewed relative to the housing axis and a drive actuating roll mounted on the housing for radial displacement to engage the rotating snake against the driving rolls. The actuating drive roll provides the inner end of an actuating drive unit having an outer end engaged by a pivotal lever on the housing for displacing the actuating drive roll against the snake. The actuating drive unit is adjustable in length between the inner and outer ends thereof and is removably supported on the housing, and the lever and outer end of the drive actuating unit interengage for the member to retain the parts of the actuating drive unit in an adjusted position and to releasably hold the drive actuating unit on the housing.
Patent CA-2230984-C (CA)
Title: Cement compositions for controlling alkali-silica reactions in concrete and processes for making same
Inventor: STOKES DAVID B
IPC: C04B7/60
Filed: 1996-09-06
Granted: 2011-01-04
Abstract: Processes for making cement which when used to make concrete can stabilize the concrete against alkali-silica reactivity (ASR) from alkali containing components. The process includes adding lithium containing materials in the front of a cement kiln along with the cement starting materials in an amount sufficient to minimize ASR.
Patent CA-2234862-C (CA)
Inventor: OWEN BRIAN CHARLES
IPC: F01D11/18
Filed: 1998-04-15
Granted: 2007-06-19
Abstract: A blade tip clearance control apparatus (10) comprises a plurality of circumferentially arranged spaced wall members (16) located adjacent the rotor path of a plurality of rotor blades (14). Each wall member (16) is mounted on a carrier (18) attached to an annular casing (22) radially outward thereof. Thermal expansion or contraction of the carrier (18) causes radial movement of the wall members (16). The wall members (16) have at least one fluid passage (20) therein. In operation a flow of fluid passing through the fluid passages (20) causes either thermal expansion or contraction of the wall member (16) to different radial positions.
Patent CA-2235359-C (CA)
Inventor: QU MINGHUA
IPC: G09C1/00
Filed: 1998-04-20
Granted: 2012-04-10
Abstract: A method of generating a public key in a secure digital communication system, having at least one trusted entity CA and subscriber entities A, the method comprising the steps of: for each entity A, the CA selecting a unique identity I A distinguishing the entity A; generating a public key reconstruction public data .gamma. A of entity A by mathematically combining a generator of the trusted party CA with a private value of the entity A, such that the pair (I A, .gamma. A ) serves as A's implicit certificate; combining the implicit certificate information (I A, .gamma. A) in accordance with a mathematical function F(.gamma. A , I A) to derive an entity information .function.; generating a private key a of the entity A by signing the entity information .function. and transmitting the private key a to the entity A, whereby the entity A's public key may be reconstructed from the public information, the generator .gamma. A and the identity I A relatively efficiently. A further aspect of the invention provides for a public key certificate including a plurality of public keys, and wherein at least one of the public keys is an implicitly certified public key.
Patent CA-2239235-C (CA)
Title: Dispositif pour l'application en meches d'un produit capillaire
Inventor: DE LAFORCADE VINCENT
IPC: A45D19/02
Filed: 1998-06-11
Granted: 2003-04-01
Abstract: La présente demande concerne un dispositif (1) pour l'application en mèch es d'un produit capillaire, comprenant des moyens (12) pour isoler une mèche donnée (21) d'une chevelure, des moyens d'application (4) aptes à se charger en produit capillaire, l'application du produit capillaire sur la mèche isol ée se faisant par mise en contact d'application de ladite mèche en un point donné de la mèche avec lesdits moyens d'application (4) et par déplacement des moyens d'application (4) relativement à ladite mèche à partir dudit point, en direction d'une extrémité libre de la mèche. Selon l'invention, des moyens de retenue (3, 13) sont prévus pour maintenir la mèche en contact d'application avec les moyens d'application (4) pendant tout ledit déplacement.
Patent CA-2241530-C (CA)
Title: Elastomere conducteur et son procede de fabrication
Inventor: GOODWIN JONATHAN W
IPC: H01L23/498
Filed: 1996-12-03
Granted: 2002-01-08
Abstract: L'invention concerne plusieurs types différents d'élastomères électroconducteurs, ainsi que leurs procédés de fabrication. Dans une forme de réalisation particulière, on décrit une composition (10) en couches comprenant un substrat (12), une première couche (14) et une deuxième couche (16). Le substrat (12) est formé d'une matière élastique non conductrice et comporte une surface extérieure. La première couche (14), qui est formée d'une matière élastique non conductrice, est greffée à la surface extérieure du substrat (12). La deuxième couche (16), qui est formée d'une matière élastique non conductrice (18) dans laquelle est dispersée une certaine quantité de flocons conducteurs (20), est greffée à surface extérieure de la première couche (14). La deuxième couche (16) peut en outre être formée d'une certaine quantité de particules conductrices arrondies ou dentelées dispersées dans la matière élastique non conductrice (18), de sorte qu'une partie des particules conductrices se retrouve le long d'une surface extérieure de la deuxième couche. Dans une autre forme de réalisation, une certaine quantité de particules conductrices arrondies ou dentelées peut être incorporée dans une surface extérieure de la deuxième couche (16).
Patent CA-2242329-C (CA)
Inventor: FELLOWS RICHARD GRIFFITH
IPC: H01M8/04
Filed: 1997-11-03
Granted: 2003-01-28
Abstract: In an electric power generation system (2), there is a cross-flow stack (4) of fuel cells (6) each having an anode, electrolyte, and a cathode. Associated with the anodes are anode passages which in each cell are divided into a first group formed by anode passages (28a) and a second group formed by anode passages (28b). Fuel gas, for example methane from a supply (26) is fed via path (34) to an inlet manifold (38a) to the anode passages (28a), and a portion of anode exhaust gas from the anode passages (28a) is fed via an exhaust outlet manifold (40a) and lines (42, 46) to an inlet manifold (38b) feeding the anode passages (28b). A reforming reaction takes place in the anode passages (28a and 28b). The other part of the anode exhaust gas from the exhaust manifold (40a) is fed via lines (42 and 44) to the line (34) to mix with the fuel gas. Atmospheric air provides the oxidising gas supplied on line (18) to the cathodes. That oxidising gas is heated in a heating arrangement (21) in which anode exhaust gas from the anode passages (28b), and supplied on line (50), is burnt.
Patent CA-2243603-C (CA)
Inventor: LEGAY HERVE
IPC: H01Q15/22
Filed: 1998-08-31
Granted: 2007-02-06
Abstract: L'invention est relative à une structure rayonnante, ou antenne, comportant une pastille excitatrice destinée à recevoir un signal d'excitation et une pluralité de pastilles secondaires destinées à rayonner les ondes reçues de la pastille excitatrice. Cette structure est caractérisée en ce qu'elle comporte une surface réfléchissante (26) au voisinage de la pastille excitatrice (20) et en ce que les pastilles secondaires (22 1, 22 4, 22 7) constituent des surfaces semi réfléchissantes. L'ensemble est tel que les ondes rayonnées (32, 36) par les pastilles secondaires sont sensiblement en phase. La distance entre la surface réfléchissante (26) et les pastilles secondaires est sensiblement égale à une demie longueur d'onde à transmettre. Cette structure permet de maintenir la pureté de polarisation circulaire sur un large secteur angulaire.
Patent CA-2249141-C (CA)
Inventor: HEWETT JEFFREY ALLEN
IPC: H04Q3/00
Filed: 1998-10-01
Granted: 2003-09-09
Abstract: A method and apparatus are provided for processing Integrated Services Digital Network User Part (ISUP) signaling within a switching system. ISUP signaling messages associated with a plurality of ISL trunks are processed within a switching system by provisioning the ISL trunks, identifying the ISUP signaling messages that are associated with the ISL trunks, and routing the identified ISUP signaling messages within the switching system to the far endpoints of the trunks using layers 1, 2, and 3 of Open System Interconnection (OSI) protocol.
Patent CA-2249174-C (CA)
Inventor: IMAHASHI TAKESHI
IPC: C08K9/04
Filed: 1998-09-30
Granted: 2006-04-18
Abstract: A flame retardant resin composition comprising (A) 100 parts by weight of a synthetic resin, (B) 20 to 150 parts by weight of magnesium hydroxide particles and (C) 20 to 150 parts by weight of aluminum hydroxide particles, wherein the magnesium hydroxide particles and the aluminum hydroxide particles satisfy the following conditions (i) to (v): (i) the average secondary particle diameter measured by a microtrack method is 0.4 to 4 µm; (ii) the specific surface measured by a BET method is 1 to 15 m2/g; (iii) the total content of an iron compound and a manganese compound is 200 ppm or less in terms of metals (Fe + Mn); (iv) the ratio of the specific surface measured by the BET method to the specific surface measured by a Blaine method is 1 to 4; and (v) the content of a water-soluble sodium salt is 500 ppm or less in terms of metal sodium. The present invention provide a halogen-free flame retardant resin composition which has excellent thermal stability, acid resistance, water-resistant insulating properties, mechanical strength and surface appearance and is economically advantageous, and a molded article therefrom.
Patent CA-2250104-C (CA)
Title: Procede de production d'unites emballees sous tension constituees d'articles souples compressibles
Inventor: ERBE HELMUT NORBERT
IPC: B65B63/02
Filed: 1997-03-13
Granted: 2001-09-18
Abstract: Procédé de production d'une unité emballée sous tension (10) constituée d'un groupe (11) de paquets souples (12) en forme de parallélépipède. Dans ledit procédé, un élément-poussoir (13) placé à proximité de panneaux latéraux (18, 19) et du panneau arrière (17) dudit groupe (11) pousse ce dernier vers un matériau d'emballage plastique extérieur (20) constitué de deux films scellés en leur centre. Le matériau d'emballage est adjacent au panneau frontal (16), au panneau supérieur (14) et au panneau inférieur (15) et le groupe est immobilisé par une plaque-poussoir (23) et repose sur la plaque de base (22). Lorsque l'élément-poussoir (13) est retiré, des rouleaux de guidage (24) enveloppent le matériau adjacent au panneau arrière. Le groupe est comprimé dans le sens C par l'élément-poussoir (13) et perpendiculairement à C par une plaque-poussoir (23) alors que le matériau d'emballage s'étendant transversalement au-delà du groupe est adjacent aux panneaux latéraux (18, 19).
Patent CA-2251472-C (CA)
Inventor: WISE DONALD L
IPC: A61K9/16
Filed: 1997-03-27
Granted: 2006-11-07
Abstract: Ce matériau implantable, pouvant subir une érosion biologique, comprend un polymère pouvant subir cette érosion et produisant des constituants acides lors d'une dégradation hydrolytique, ainsi qu'un composé de tamponnage servant à tamponner les constituants acides et à maintenir le pH local dans une plage désirée. Le composé de tamponnage agit pour réduire la réponse inflammatoire du corps étranger, produite par les constituants acides, et il diminue l'état d'abcès stérile survenant sur le site des matériaux implantés et pouvant subir une érosion biologique, des techniques antérieures. On peut utiliser les matériaux réalisés selon l'invention pour des dispositifs de fixation interne, dans une réparation osseuse.
Patent CA-2260893-C (CA)
Title: Procede pour reduire les parasites dans un signal vocal
Inventor: LINHARD KLAUS
IPC: G10L21/02
Filed: 1997-07-02
Granted: 2005-05-17
Abstract: L'invention concerne un procédé permettant de réduire les parasites dans un signal vocal, à l'aide d'un procédé de réduction du bruit. Il est prévu de déterminer une courbe de masquage pour le signal d'entrée, ainsi que pour le signal de sortie de la réduction du bruit. Une comparaison entre les composantes du signal qui dépassent la courbe de masquage permet de détecter de nouvelles composantes audibles dans le signal de sortie sous forme de parasites, suivant le type de ton musical, puis de les amortir ensuite de manière sélective.
Patent CA-2267076-C (CA)
Inventor: VAN ANDEL ELEONOOR
IPC: H01L31/0463
Filed: 1997-09-24
Granted: 2005-01-25
Abstract: The invention pertains to a method of manufacturing a photovoltaic foil supported by a carrier (14) and comprising a plurality of photovoltaic layers (6) which together have the ability of generating electric current from incident light, a back-electrode layer (10) on one side adjacent and parallel to the photovoltaic layers, and a transparent conductor layer (2) on the other side of, and adjacent and parallel to the photovoltaic layers, which method comprises the following subsequent steps: providing a temporary substrate, applying the transparent conductor layer (2), applying the photovoltaic layers (6), applying the back-electrode layer (10), applying the carrier (14), removing the temporary substrate, and, preferably, applying a top coat (15) on the side of the transparent conductor layer. The invention enables the roll-to-roll manufacture of a tough photovoltaic foil or device, while at the same time making it possible to use any desired transparent conductor material and deposition process, without jeopardizing the current-generating action of the PV layers.
Patent CA-2268902-C (CA)
Inventor: GEIERMANN THOMAS J
IPC: B23K11/31
Filed: 1997-10-20
Granted: 2006-07-04
Abstract: A welding head for projection welding wherein the spring which biases the electrode is initially preloaded to exert a significant biasing force on the electrode to maintain it against a stop to define the normal fully extended position of the electrode. The spring of the welding head is also initially precalibrated to exert an accurate predetermined biasing force on the electrode when the electrode is depressed inwardly so as to effect compression of the spring by a predetermined distance, which latter distance is of very small magnitude. The welding head is disposed in engagement with overlapping sheets so that the electrode is engaged with the sheets in alignment with a projection thereon, and the electrode is depressed through said predetermined distance so that a uniform predetermined biasing force is applied to the electrode and hence to the projection weld area.
Patent CA-2270309-C (CA)
Inventor: ISE TOMOYUKI
IPC: H01P7/10
Filed: 1999-04-27
Granted: 2001-09-18
Abstract: A dielectric resonator including a substantially columnar dielectric, thin film multi-layer electrodes each formed on two faces opposite to each other of the dielectric, and a concave portion formed substantially evenly on the peripheral side-face of the dielectric.