baber/WOPTO huggingface dataset:
Patent CA-2220940-A1 (CA)
Inventor: GOSSELIN PATRICK
IPC: G01J9/00
Filed: 1997-10-31
Abstract: La présente invention concerne un dispositif pour déterminer les défauts de phase d'ondes électromagnétiques (OE), comportant un système de réception (SM) qui comprend un plan de mesure (PM), un système de défocalisation (SD|) envoyant au système de réception (SM) une paire de plans conjugués du plan pupillaire d'un instrument optique, et une unité de calcul (UC) déterminant les défauts de phase, à partir desdites mesures. Selon l'invention, ledit dispositif comporte de plus un filtre spatial (F) agencé dans le plan image de l'instrument optique et formé de manière à limiter la surface d'une source lumineuse vue par ledit système de réception (SM), tout en permettant la transmission du spectre spatial des défauts de phase.
Patent CA-2221937-A1 (CA)
Title: Weld-on axle bracket with u-bolt connection
Inventor: LIE TJONG T
IPC: B60G11/46
Filed: 1997-11-21
Abstract: A system for mounting a vehicle axle housing to a vehicle suspension member, such as a main support member, Z-spring or a gooseneck spring, is disclosed. The invention utilizes a bracket welded onto the axle housing so as to eliminate excessive compressive stresses on the axle housing. The suspension member is sandwiched between a top pad and an axle seat. A pair of downwardly extending U-bolts have their bight portions seated on the top pad with their distal ends extending through holes in the axle bracket. Nuts are attached to the U-bolt distal ends to secure the entire assembly together. The system can accommodate a variety of axle seat sizes which in turn allows for a variety of pinion angles to be effected without necessitating the use of a different axle bracket design for each pinion angle.
Patent CA-2225079-A1 (CA)
Title: Thermal sensing bi-metal trip actuator for a circuit breaker
Inventor: KRALIK ANDREW J
IPC: H01H71/16
Filed: 1997-12-17
Abstract: An actuator  (144)  for initiating a trip of a circuit breaker.  Load current passes through a conductor (66) that is electrically coupled to a contact arm (56) by a braid (62).  A thermally responsive bi-metal (64) has a first end portion  which  is  disposed  against  a  portion  of  the conductor (66) and through which at least a portion of load current carried by the contact arm, the braid,  and the conductor passes.  The bi-metal further has a second end portion  that  is  disposed  in  spaced  relation  to  the conductor and is cantilever-mounted on the portion of the conductor via the bi-metal's first end portion.  The bi-metal  is nominally flat and straight,  but increasingly warps as thermal energy in the bi-metal increases.  Upon attaining a certain degree of warping, the bi-metal initiates a trip of the circuit breaker by causing the contact arm to swing from a circuit-making to a circuit-breaking condition.
Patent CA-2228508-A1 (CA)
Inventor: PLANTAN RONALD S
IPC: F16J3/02
Filed: 1996-08-07
Abstract: An improved spring brake actuator includes a dome (42) extending into the service chamber (36) from the center housing (32). The spring chamber push rod (22) is formed with a plate (40) having a cross section corresponding to the dome (42). The service chamber diaphragm (38) as well as the service chamber piston (46) are also formed with surfaces that correspond to the shape of the dome (42). The surfaces "stack up" to ensure alignment between the spring chamber push rod (22) and the service chamber push rod (49). The use of the dome (42) also provides additional stroke to the spring chamber push rod (49) without requiring additional axial length for the overall brake actuator.
Patent CA-2230279-A1 (CA)
Inventor: BORZA STEPHEN J
IPC: G07C9/00
Filed: 1998-02-20
Abstract: In the past, user authorization based on biometric information was conducted by correlating a single instance of biometric information against a template. By using this method, a percentage of the population is difficult to authenticate. Further, due to skin damage and injuries, sometimes biometric information is not suited to identification. A sore throat affecting voice information and scraped finger tips affecting fingerprint information are two examples of common problems with authorization in dependence upon biometric information. A method of authenticating a user in dependence upon biometric input information is disclosed. The method allows a user to select biometric information sources and a number of repetitions for each source in order to customize the process of biometric user authentication.
Patent CA-2231116-A1 (CA)
Inventor: GIBBS DAVID E
IPC: A61C19/08
Filed: 1998-02-25
Abstract: A drilling catheter or cannular assembly comprising: a hollow drilling needle adapted to serve as a catheter affixed to a first flange at its non-drilling end; a second flange adapted at one side thereof to engage said first flange and adapted at its opposite side to engage a rotating shaft; and said first flange with affixed drilling needle and said second flange held together in an assembled position by means an outer protection housing open at its end near said opposite side.
Patent CA-2232045-A1 (CA)
Title: A method of controlling the transport speed of a transport and gatheringpath
Inventor: BATZER JOSEF
IPC: B65H31/02
Filed: 1996-11-18
Abstract: The invention relates to a process for controlling the conveying speed of a transporting and gathering unit, in which piles (110) of gathered material are moved from an inlet (150) to an outlet of the gathering track by at least one conveyor (100). Gathered material units can optionally be added to the piles of gathered material on one or a plurality of adding stations. At least one size for each pile (110) of gathered material is determined at the inlet of the gathering track, the size of each pile of gathered material on each adding station is increased by a value in each case which corresponds to the added gathered material unit when a gathered material unit is added to the pile of gathered material, the size of each pile of gathered material is compared to a respective ideal value associated with the conveyor; and depending on the result of the comparison, the conveying speed is controlled.
Patent CA-2233085-A1 (CA)
Inventor: GAYDOUL JUERGEN
IPC: B21B45/08
Filed: 1996-09-20
Abstract: Described is a device for de-scaling semi-finished products (4), such as thin steel slabs and steel strip, in rolling mills, the device using water at high pressure which is sprayed through a nozzle array (10) onto the surface of the semi-finished product, the nozzle array (10) being mounted so that it can be driven to move, with one component of its motion (21) in the vertical plane, over the surface of the semi-finished product by means of a drive (22). The drive is acted on by a control unit (44) which takes as its input parameters the theoretical distance (a) between the nozzle array (10) and the surface of the semi-finished product (4), and the actual distance as measured by a displacement transducer (40). The control unit (44) delivers an output signal via a signal line (48, 49) to the drive (22, 38) to reduce the difference to zero. The nozzle array (10) is therefore held at the required theoretical distance (a) from the surface of the semi-finished product (4) even if bumps (8) occur in the surface.
Patent CA-2236318-A1 (CA)
Inventor: LE COENT JEAN-LOUIS
IPC: C07C303/06
Filed: 1997-09-03
Abstract: The invention concerns a mixture of superalkalified earth-alkaline comprising: (a) 50 % to 85 % by weight of one mono-alkyl-sulphonate with a C14-C40 linear chain in which the molar ratio of phenyl-sulphonate substituent in position 1 or 2 is between 0 and 13 %, and (b) 15 % to 50 % by weight of one heavy alkyl-aryl-sulphonate, in which the aryl radical is phenyl substituted or not and the alkyl chains are either two linear alkyl chains with a total of 16 to 40 carbon atoms or one or several branched alkyl chains with an average total of 15 to 48 carbon atours. Insofar as these mixtures contain less than 10 % of linear mono-alkyl-phenyl-sulphonate substituted in position 1 or 2 of the linear alkyl chain, they have properties enabling their use as washing-dispering additive for lubricating oils.
Patent CA-2237864-A1 (CA)
Inventor: FLATOW EVAN L
IPC: A61F2/00
Filed: 1998-05-15
Abstract: The invention is directed to an orthopaedic implant for implantation into a bone at a joint. The orthopaedic implant 10 includes an articulating surface 20 for mating with a complementary implant 30. The orthopaedic implant includes a body 12 defining the articulating surface. The articulating surface 20 includes a conforming surface 22 bounded by a translational surface 24. The conforming surface 22 allows rotational movement between the articulating surface and the complementary implant, and the translational surface 24 allows rolling and translational movement between the articulating surface and the complementary implant. The conforming surface 22 is tangent at a periphery thereof to the translational surface 24.
Patent CA-2238690-A1 (CA)
Inventor: CONROW RAYMOND E
IPC: C07J71/00
Filed: 1997-10-22
Abstract: Methods for preparing intermediates for 21-alkylated corticosteroids are disclod ed. Pregna-1,4,16-trien-3,20-diones are contacted with a base and an alkylating agent to produce corresponding 21-alkylated pregna -1,4,16-trien-3,20-diones.
Patent CA-2239497-A1 (CA)
Title: Debitmetre pourvu d'un tube de pitot pour le calcul de la pression moyenne
Inventor: WIKLUND DAVID E
IPC: G01F1/46
Filed: 1996-12-31
Abstract: Emetteur (10) d'un système de commande de traitement destiné à mesurer un débit qui mesure également la pression totale (PTOT) et la pression différentielle (h) d'un fluide de traitement s'écoulant dans un tuyau de traitement. La pression statique (PSTAT) est déterminée par rapport à la pression totale (PTOT). La pression statique calculée est utilisée pour déterminer la densité (p) et le facteur d'expansion des gaz (Y1) du fluide de traitement s'écoulant dans le tuyau (12).  Ces informations sont utilisées pour calculer le débit (Q) du fluide de traitement.
Patent CA-2240822-A1 (CA)
Title: Coffee machine
Inventor: HELL MATTHIAS
IPC: A47J31/00
Filed: 1996-12-23
Abstract: The coffee machine for different coffee types requires no preheating time and consumes no energy in the standby mode. It essentially comprises a water supply chamber (1), a pump (5), a continuous flow heater (8) for heating the water and a brewing chamber (10) for receiving the coffee (10'). The continuous flow heater (8) has a low heats capacity and can therefore perform large temperature changes within a short time. In order to obtain the desired water starting temperature, use is made of a control loop. The unheated parts (9-12) along the water path between the continuous flow heater (8) and the coffee (10') are so designed that a minimum amount of heat energy is abstracted from the hot water, but at the same time the parts have an adequate strength.
Patent CA-2241735-A1 (CA)
Title: Thermoplastic squeeze tube with self-sealing dispensing orifice
Inventor: EKSTROM FRED M
IPC: B65D1/02
Filed: 1998-06-25
Abstract: A thermoplastic squeeze tube has a self-sealing orifice where a one-way valve member is secured in the tube neck and an exposed portion thereof enclosed and protected by a frangible closure member integral with the neck portion.  A pocket in the bottom wall of the frangible closure member closely encloses the one-way valve member to seal the same.  A replacement cup-shaped closure member may be provided to reseal the tube after removal of the frangible closure member, which may have downwardly depending sealing protrusions which contain the upper portion of the exposed section of the one-way valve member to reseal the same.
Patent CA-2242032-A1 (CA)
Title: Framework for the rigidification of a part of garment, made of a thermoplastic or thermosetting material with rigidification longitudinal fibres
Inventor: LATTANZI NICOLAS
IPC: A41C3/12
Filed: 1998-06-30
Abstract: A framework is disclosed for the rigidification of a part of a garment, which may typically be the curved underwire support of a brassiere. The framework is formed of a molded plastic, which may be thermoplastic or thermosetting and includes short rigidified fibers embedded therein. The fibers are oriented along curvatures which are parallel to the curvature of the framework. The fibers which can be glass, carbon or aromatic polyamides, are preferably a polyamide in which one aromatic group is substituted for an aliphatic group in an aliphatic chain, or a combination of these materials.
Patent CA-2243575-A1 (CA)
Inventor: MIYAZAWA JUN
IPC: A01N43/76
Filed: 1997-11-04
Abstract: A method for preventing or controlling viral diseases of plants, characterized in that a compound having a peroxidase inducing activity in a plant is brought into contact with a plant; and a formulation for preventing or controlling viral diseases of plants, comprising as the active ingredient a compound having a peroxidase inducing activity, for example, a benzoic acid derivative or a salt thereof, such as 4-hydroxybenzohydrazide, or a compound having a furan ring or a salt thereof, such as 2-pyromucic acid.
Patent CA-2243963-A1 (CA)
Title: Deicing composition and method
Inventor: JANKE GEORGE A
IPC: C09K3/00
Filed: 1997-01-21
Abstract: Disclosed is a new and improved, environmentally acceptable and negligibly corrosive deicing composition comprising by-products from a wet milling process of com which by-products are biodegradable. The invention also relates to the use of a deicing composition in a manner that helps to reduce the buildup of snow and ice on roads, bridges and other outdoor surfaces.
Patent CA-2247379-A1 (CA)
Title: Method and apparatus using a device description for a conventional device
Inventor: SHARPE RICHARD R JR
IPC: G05B19/042
Filed: 1997-02-05
Abstract: A field device management system communicates with a smart device using a device description written in a communication protocol associated with the smart device and accesses data pertaining to a conventional or non-smart field device using a device description written in conformance with the smart device communication protocol. The field device management system uses the device description for the conventional device to initially request certain data pertaining to the conventional device from a user and then stores this data in a memory for future access.
Patent CA-2248454-A1 (CA)
Inventor: FORTIN DAVID D F
IPC: G09F7/12
Filed: 1998-09-03
Abstract: Dans la présente invention, nous pouvons palier aux nombreux inconvénients quant à la pose d'affiche, en créant, de matière plastique, une forme RECTANGULAIRE, surmontée d'une forme TRIANGULAIRE s'ouvrant pour laisser entrer chaque coin d'une affiche, puis se refermant avec facilité sur la surface du RECTANGLE.
Patent CA-2250328-A1 (CA)
Title: Self imaging optical element using multimode interference
Inventor: STENSLAND LEIF
IPC: G02B6/28
Filed: 1997-03-24
Abstract: Optical elements utilize multimode interference in a piece of an optical fiber of multimode type having a core in the shape of a ring or a tubular structure. Such a fiber can be compared to a planar waveguide, the core of which has been bent about a longitudinal axis located at some distance from the core. Such an optical fiber can be optically excited having an excitation centre in a point on or at the annular core by coupling from a single-mode fiber. Then different optical propagation modes are excited having approximately regular relations between their phase velocities so that, for example, for a suitable length of the fiber piece a light intensity is obtained in the other end of the fiber piece which is an approximate reflected image of the light intensity supplied at the input end of the fiber piece. Such an optical element can, for example, be used as a filter or as a passive 1 × N-coupler, where in the latter case the length of the fiber piece is adapted so that an N-fold image of the supplied light intensity is obtained at the output end of the fiber piece.
Patent CA-2252356-A1 (CA)
Inventor: THALENFELD DAVID R
IPC: G09F3/18
Filed: 1998-11-04
Abstract: A pivoted label support, for mounting on the outer end of a label support arm associated with an underlying merchandise support arm.   The label holder, which is of extruded plastic construction and encloses an information-bearing label,  is provided with an integral positioning element which engages the label support arm, when the label holder is pivoted in a downward direction, and serves to support the label holder at a desired viewing angle.  The positioning element is formed as part of the extrusion operation,  during production of the label  holder,  and extends rearward and upward from the back panel of the label  holder.    By  controlling  the  geometry  of  the positioning element during the production operations, label holders can be economically produced with a variety of preset viewing angles, enabling the merchandiser to position label holders at optimum viewing angles, depending upon the height at which the merchandise hooks are installed.
Patent CA-2252889-A1 (CA)
Inventor: MOWLAI-ASHTIANI ALI
IPC: A61B19/00
Filed: 1997-04-25
Abstract: A noninvasive apparatus (16) for supporting tools associated with a stereotactic apparatus (10) and procedures to guide tools along any selected path. In one embodiment of the invention, the tool support system (16) is mounted to a skull clamp (46) holding a patient's head (13). In another embodiment, a tool (105) and an articulated arm and probe (18) are selectively mounted to the tool support system which in turn, is mounted to the side rails (120) of a table (48) supporting a patient. With the second embodiment, stereotactic procedures can be practiced with respect to any part of the patient's body.
Patent CA-2256494-A1 (CA)
Inventor: BORIO RICHARD WILLIAM
IPC: F23C99/00
Filed: 1997-06-13
Abstract: A method for effecting control over a radially stratified flame core burner (22) of the type installed in a fossil fuel-fired furnace compris-ing the steps of: a) determining the depth of the furnace in which the ra-dially stratified flame core burner is installed; b) establishing the permis-sible length of the flame that the radi-ally stratified flame core burner is ca-pable of producing as a function of the depth of the fossil fuel-fired furnace in which the radially stratified furnace is installed; c) establishing an outer zone (24) of air flow as a consequence of the injection thereinto of a first por-tion of the total amount of air required to effect the combustion of the fos-sil fuel being burned through oper-ation of the radially stratified flame core burner; d) establishing an inner zone (26) of air flow and fossil fuel as a consequence of the injection there-into of a second portion of the total amount of air required to effect the combustion of the fossil fuel being burned through operation of the radially stratified flame core burner and as a consequence of the injec-tion thereinto of the fossil fuel being burned through operation of the radially stratified flame core burner; and e) effecting control over the length of the flame produced by the radially stratified flame core burner by controlling the angular momentum of the air injected into the inner zone and by controlling the angle of injection of the fossil fuel injected into the inner zone so that the length of the flame produced by the radially stratified flame core burner is no greater than the permissible length of the flame that has been established for the fossil fuel-fired furnace in which the radially stratified flame core burner is installed.
Patent CA-2260475-A1 (CA)
Title: Process for preparing epoxy-acrylic hybrid emulsions
Inventor: FARWAHA RAJEEV
IPC: C08L63/00
Filed: 1999-01-27
Abstract: The present invention relates to a procEas for preparing epoxy-acrylic hybrid emulsions having an polyepoxide content of up to 95% based on the total weight of resin solids in the emulsion. The process involves (I) dissolving a polyepoxide with at least one acrylate monomer in the presence of water and a surfactant to form a mixture; (II) microfluidizing or homogenizing the mixture in a microfluidizer or homogenizer having a chamber pressure of from about 6,000 psi to about 15,000 psi fo form a pre-emulsion; and (III) polymerizing the pre-emulsion in the presence of a free radical polymerization catalyst. The epoxy-acrylic hybrid emulsion can be formulated into solvent-free wood coatings, direct-to-metal coatings and paint.
Patent CA-2261355-A1 (CA)
Title: Improved toothbrush handle
Inventor: PROULX GENEVIEVE CHRISTIANNE
IPC: A46B5/02
Filed: 1999-02-10
Abstract: A toothbrush handle with defined finger tip engagable areas on each of respective opposite faces of the handle.
Patent CA-2265258-A1 (CA)
Title: Filtering of digital video signals
Inventor: FUNNELL JOHN STUART
IPC: H04N7/26
Filed: 1999-03-12
Abstract: The present invention concerns the filtering of digital video signals and has particular application to filtering noise from such signals. This makes the signals easier to compress. According to the invention, the video signals are subjected to a filtering process in which the signals are multiplied by a first variable gain coefficient. A  delayed sample of the signals is derived by a delay circuit and the delayed sample is multiplied by a second variable gain coefficient. The two multiplied signals are added together. The magnitudes of the first and second gain coefficients are varied in dependence upon a comparison between the input video signal relative to the delayed sample from the delay circuit. The magnitudes of the two gain coefficients are varied in the opposite sense to one another. By a suitable choice of the gain coefficients, the filtering process can be used to preserve the sharpness of large transitions in picture information and the impulse response of the filter can be readily modified by recalculating the gain coefficients. The filtering process may be used in a cascade of stages to achieve filtering in the two spatial domains and in a temporal domain.
Patent CA-2270434-A1 (CA)
Title: Method and apparatus for killing microorganisms in ship ballast water
Inventor: BROWNING WILSON J JR
IPC: C02F1/58
Filed: 1997-11-10
Abstract: A method and apparatus for treating ship ballast water before it is discharged into coastal waters. The ballast water may contain harmful non-indigenous microorganisms. Before discharge, the ballast water is oxygenated and deoxygenated to reduce the populations of anaerobic and aerobic microorganisms, respectively. If anaerobic microorganisms are no concern, the oxygenation step can be eliminated. The apparatus includes a vacuum chamber (34) for deoxygenating the ballast water containing aerobic microorganisms.  The vacuum chamber (34) contains an internal agitator (36) for agitating the ballast water under a vacuum in the chamber (34) for a first period of time to remove dissolved oxygen from the ballast water. The agitator may be replaced by a Weir-type system (42) in which a series of vertical plates are placed in such a manner that they form a line of plates that are ever decreasingly shorter from an in-flow (27) to an out-flow (45) of the vacuum chamber (34).
Patent CA-2273943-A1 (CA)
Title: Improving colour discrimination
Inventor: HARRIS DAVID ANDREW
IPC: G02C7/10
Filed: 1997-11-27
Abstract: Colour discrimination may be improved by fitting to a patient's eye a plastics contact lens having a tinted central circular section. The optimum tint is determined by testing the effects of a sequence of differently tinted lens on a patient.