baber/WOPTO huggingface dataset:
Patent CA-2076189-A1 (CA)
Title: Methode et appareil de brouillage a frequence variable pour stac
Inventor: BLAIS PIERRE
IPC: H04N7/16
Filed: 1992-08-14
Abstract: L'invention est constituée par une méthode et un appareil servant à contrôler la réception de canaux sélectionnés par des abonnés particuliers d'un STAC qui brouillent les canaux au moyen d'une répartition temporelle pour tous les abonnés non autorisés à recevoir les canaux brouillés. Un générateur d'oscillations capable de produire des oscillations de fréquences diverses produit une oscillation initiale d'amplitude voisine de celle de la porteuse d'un signal de télévision typique. La fréquence de l'oscillation produite est comparée à une fréquence de référence qui serait appropriée pour brouiller l'un des canaux à brouiller. Si la fréquence de l'oscillation produite est trop élevée ou trop basse, le générateur d'oscillations produit une nouvelle oscillation dont la fréquence est inférieure ou supérieure à la fréquence de l'oscillation initiale. Si cette nouvelle fréquence est encore plus élevée ou plus basse que la fréquence de référence, le générateur d'oscillations produit encore une nouvelle oscillation dont la fréquence est inférieure ou supérieure à celle de l'oscillation précédente, mais d'un degré moindre que la différence entre la fréquence de l'oscillation précédente et celle de l'oscillation produite qui a précédé celle-ci. La production de nouvelles oscillations se poursuit jusqu'à ce que l'une d'elles ait une fréquence suffisamment rapprochée de la fréquence de référence; le signal d'entrée du générateur d'oscillations est alors stocké en mémoire. La même procédure est utilisée pour stocker en mémoire les signaux transmis au générateur d'oscillations qui produit des oscillations de fréquences appropriées pour brouiller chacun des canaux à contrôler. Les signaux mémorisés sont alors transmis en répartition temporelle au générateur d'oscillations et les signaux de brouillage produits sont transmis en répartition temporelle à chacun des abonnés non autorisés à recevoir les canaux brouillés. Après un certain intervalle de temps, le brouillage des canaux est interrompu durant un bref instant au cours d'un cycle dans lequel les signaux utilisés pour produire les oscillations de brouillage sont recalculés de la même façon et réintroduits en mémoire, puis le processus de calcul se termine et le brouillage reprend.
Patent CA-2077418-A1 (CA)
Title: Process for production of prostaglandin intermediates
Inventor: UENO RYUJI
IPC: C07C69/738
Filed: 1992-09-02
Abstract: The present invention is directed to improving the isomer ratio of a cis-isomer as compared to the corresponding trans-isomer with respect to the 5-6 double bond in the production of prostaglandins.  The improvement is achieved when a lactol is reacted with an ylide to cause simultaneous formation of the 5-double bond and an .alpha.-chain, whereby the ylide generated from a phosphonium salt with a potassium base, and a solvent which is liquid at the reaction temperature and has a dipole moment of 0.3 to 3.0D are used.
Patent CA-2078215-A1 (CA)
Title: Process for the preparation of 1,2,4- trifluorobenzene and 1-chloro-3, 4- difluorobenzene
Inventor: BRAISH TAMIM F
IPC: C07C17/093
Filed: 1991-03-22
Abstract: 1,2,4-Triflurobenzene and 1-chloro-3,4-difluorobenzene are prepared by reacting 2,4-difluoroaniline and 5-chloro-2-fluoroaniline, respectively, with t-butyl nitrite in the presence of borontrifluoride etherate complex, followed by the thermal decomposition of the resulting diazonium salts 2,4-difluorophenyl-1-diazoniumtetrafluoroborate and 1-fluoro-4-chlorophenyl-2-diazoniumtetrafluoroborate.
Patent CA-2081513-A1 (CA)
Title: Cleaning tool for bottle or glass
Inventor: HSIEH TUNG-CHIANG
IPC: B08B9/087
Filed: 1992-10-27
Abstract: ABSTRACT OF THE DISCLOSURE       A  bottle  or glass cleaner has essentially a  handle which  may  be  in  any  shape,  two  arms  extending  from respective  ends  of  the  handle  downwardly,   a  scraper extending perpendicularly from one arm thereof.   The outer portions  of  the  arms  and  scraper  have  attached  with scratching mateial that will clean the interior of a bottle or a glass.  The handle has a recess at top portion adapted to  receive a nipple cleaner which is shaped like a  nipple and has also scratching material attached outside so as  to clean the interior of a nipple.
Patent CA-2081771-A1 (CA)
Title: Hybrid cellular receptor
Inventor: KJELDSEN THOMAS B
IPC: C12P21/02
Filed: 1991-04-30
Abstract: A hybrid DNA construct comprises a first DNA sequence encoding part of the extracellular domain of a first cellular receptor and a second DNA sequence encoding part of the extracellular domain of a second cellular receptor which is specific for a different ligand than the first receptor. The hybrid receptor encoded by this DNA construct may, for instance, be used to localize the ligand-binding site of a cellular receptor or to screen for ligands or ligand antagonists.
Patent CA-2081997-A1 (CA)
Inventor: MILUNAS RIMAS S
IPC: F16H59/74
Filed: 1992-11-03
Abstract: A shift pattern control for a multiple speed ratio transmission wherein an inference-based control overrides the normal shift pattern to automatically achieve manual pulldown operation under conditions for which such operation would be advised and expected. The inference-based control is achieved with a fuzzy logic technique by which vehicle parameters influencing the desirability of manual pulldown operation are measured or estimated, and used to establish an aggregate measure of the overall need for engine braking and downshifting.  In the preferred embodiment, the fuzzy logic parameters include vehicle speed, grade load, engine throttle position, time of braking and time of deceleration.  The parameters are applied to membership functions to indicate the truthfulness of the specified conditions, and logical combinations of the truth indications are formed, weighted to reflect their criticality, and combined to form an aggregate measure of the overall need for pulldown operation.
Patent CA-2083890-A1 (CA)
Title: Flexible Dam
Inventor: DOS SANTOS JUAREZ FONTANA
IPC: E02B7/00
Filed: 1992-11-26
Abstract: A  dam  is  provided  for  the  temporary  local containment of water in a body of standing or slow moving water such as a lake, bay or river.  The dam is formed by a flexible barrier having a chamber extending along its lower margin and containing a flexible pipe which is filled with a high density fluid such as barite mud, whish anchors the bottom of the barrier and allows it to accommodate the contour of the bottom of the lake, bay or river.  The upper and intermediate portions of the barrier have inflatable chambers, those in the upper portion being filled with air so as to support the barrier at the waters surface, and the chambers in the intermediate portion are filled with water to    give   them   approximately   neutral    flotation characteristics.
Patent CA-2085302-A1 (CA)
Inventor: PANDORF ROBERT C
IPC: G01L19/14
Filed: 1992-12-14
Abstract: The  present  invention  provides  a  capacitance  pressure transducer of increased thermal and mechanical  stability and thus performance over prior art designs.  A cell formed by a cell housing containing a plane parallel capacitor plate and an inlet tube is connected to an outer protective cover solely by the inlet tube.  The cell housing is contained within an air tight  environmental  enclosure  (also  supported  solely by the inlet  tube)  of  sufficient rigidity  as  to  isolate  the  cell housing  from  changes  in  atmospheric  pressure.   The  plane parallel capacitor plate  is  formed  by  a  circular  diaphragm peripherally connected to the tension ring  and an electrode disk located within the tension ring.  The capacitor plate is mechanically isolated by a connection between the tension ring and the cell housing that is more flexible than the tension ring itself and a mounting for the electrode disk by which the electrode disk is connected solely to the tension ring by an annular support member holding the electrode disk in a fixed position  relative  to  the  diaphragm.   Additionally  a  baffle plate  divides  the  cell  housing  into  baffle  and  diaphragm chambers to allow the gas to reach thermal equilibrium with the cell  before  exposure  thereof  to  the  diaphragm.   Also,  the baffle chamber and inlet tube have characteristic dimensions greater than the mean free path of gas molecules at the lowest pressure  to  be  measured  to  suppress  thermal  transpiration effects.
Patent CA-2092320-A1 (CA)
Title: Prosthetic implant manufacture
Inventor: ELLOY MARTIN
IPC: A61F2/46
Filed: 1991-06-11
Abstract: 2092320 9200045 PCTABS00010 A method of manufacture of a prosthetic device e.g. a hip joint prosthesis to be implanted in a particular bone cavity (11) comprises: preparing an image of the bone cavity, usually an x-ray image: providing a template which defines the required shape of an implant. In one embodiment one of a supply of template sheets having reference lines thereon can be lined-up with corresponding references on the image, and the required implant outline is marked on the sheet by any suitable manual marking means. In an alternative a template is selected from a range of templates of a general shape appropriate to the implant to be fitted in the bone cavity (11), and is compared with the image in order to determine whether it constitutes a suitable match. Then, the required shape of implant is manufactured, or selected from a preformed range of already manufactured implants corresponding with the range of templates.
Patent CA-2092556-A1 (CA)
Title: Polyhydroxy fatty acid amide surfactants to enhance enzyme performance
Inventor: MAO MARK H
IPC: C11D3/386
Filed: 1991-09-25
Abstract: Disclosed is an improved detergent composition comprising one or more anionic surfactants, nonionic surfactants, or mixtures thereof, and detersive enzymes, the improvement which comprises incorporating into said composition an enzyme performance-enhancing amount of a polyhydroxy fatty acid amide material of formula (I), wherein R1 is H1, C1-C4 hydrocarbyl, 2-hydroxy ethyl, 2-hydroxy propyl, or a mixture thereof, R2 is C5-C31 of hydrocarbyl, and Z is a polyhydroxyhydrocarbyl having a linear hydrocarbyl chain with at least three hydroxyls directly connected to said chain, or an alkoxylated derivative thereof.
Patent CA-2092701-A1 (CA)
Inventor: MATTHEWS NORMAN L
IPC: F16B37/00
Filed: 1991-09-12
Abstract: ABSTRACT             A fastener is disclosed suitable for securing a grinding wheel to the spindle of an angle grinder, the fastener being capable of tightening and loosening by hand. The fastener comprises a first disc-shaped component having a  first pressure  transmitting  surface adapted to bear against  the  grinding  wheel,  and  a  second  disc-shaped component  having  a  threaded  hub  non-rotatably  fixed thereto.  The first and second components are assembled on the hub so as to be rotatable with respect to each other, and the second component is adapted to apply an axially directed compressive force to press the first component against the grinding wheel when a torque is applied to the second component.  A solid dry lubricant washer is provided between facing surfaces of said first and second components in an annular recess immediately adjacent the hub,  for reducing friction when one of the components is rotated relative to the other.   The lubricant washer can ensure that a significantly increased proportion of the torque applied to the second component is converted to compressive force  transmitted  through  the  first  component  to  the grinding wheel.  A gripping device in the form of a flap is pivotally connected to the second component, and is capable of pivoting to an upright position in which the flap can be manually grasped to apply a torque to the fastener.
Patent CA-2093523-A1 (CA)
Title: Ratchet wrench with dual-rotating constant drive handle
Inventor: WANNOP GEORGE
IPC: B25B13/46
Filed: 1991-08-15
Abstract: A ratchet wrench (10) having a handle (12) through which a rotatable shaft (16) extends. A bevel gear (26) is coupled to one end of the shaft for rotation by the shaft about an input drive axis. A pair of concentrically aligned ring gears (30, 32) are coupled to the bevel gear for counter rotation of the ring gears, by the bevel gear, about an output drive axis perpendicular to the input drive axis. A drive member (64) is mounted inside the ring gears for rotation about the output drive axis. A ratchet mechanism (42, 44, 52, 54) couples the ring gears to the drive member such that, for either direction of rotation of the bevel gear, one of the ring gears is coupled to the drive member and the other of the ring gears is decoupled from the drive member The ring gears are further coupled to the bevel gear for unidirectional rotation of the ring gears about the output drive axis in response to pivotal movement of the handle about the output drive axis. The ratchet mechanism additionally couples the ring gears to the drive member such that, upon such unidirectional rotation of the ring gears about the output drive axis, both of the ring gears are coupled to the drive member.
Patent CA-2099238-A1 (CA)
Title: Process and apparatus for processing strips of photographic tape material
Inventor: BINDER ERICH
IPC: G03D3/00
Filed: 1993-06-25
Abstract: A Process And Apparatus For Processing Strips of Photographic Tape Material Abstract A process and apparatus for processing strips of a photographic tape material whose surface is at least partially coated with, for example, an emulsion. In an exemplary embodiment, the apparatus includes means for determining the position of the side of the strip with the coated surface. In a first case, in which the side with the coated surface is in a desired position, a switch guides the unmodified strip onward for further processing. In a second case, in which the side with the coated surface is not in the desired position, the switch automatically guides the strip into a turning device before the strip is further processed.    (Fig, 4)
Patent CA-2099713-A1 (CA)
Title: Process for converting heavy hydrocarbon oil into light hydrocarbon fuel
Inventor: KUBO JUNICHI
IPC: C10G47/34
Filed: 1993-06-29
Abstract: ABSTRACT         A process is provided for converting a heavy hydrocarbon oil into light hydrocarbon fuels by thermal cracking or hydrocracking, which comprises ; to about 100 parts by weight of the heavy hydrocarbon oil feedstock (A) being added about 0.1 to 50 parts by weight of a substance (B) selected from any one of the following (I) and (II), wherein (I) are hydrogen-donor substances each of which comprises a hydrogenated oil obtained by aromatic ring hydrogenation of a thermal-cracked product oil boiling higher than about 200°C, said aromatic ring hydrogenation being conducted so as to hydrogenate about 20 to 90 % of the aromatic rings present in the product oil, said thermal cracking being conducted at about 430 to 600°C by using a petroleum feedstock, and (II) are hydrogen-donor substances each of which comprises a hydrogenated oil obtained by aromatic ring hydrogenation of a thermal-treated product oil boiling higher than about 200°C, said aromatic ring hydrogenation being conducted so as to hydrogenate about 20 to 90 % of the aromatic rings present in the product oil, said thermal treating being conducted at about 430 to 600°C by using a catalytic-cracked or catalytic-reformed product boiling higher than about 200°C, said catalytic cracking or catalytic reforming being conducted by using a petroleum feedstock.
Patent CA-2099791-A1 (CA)
Inventor: TACHIKAWA MAMORU
IPC: B01J23/46
Filed: 1993-07-05
Abstract: The present invention relates to a method for the preparation of 1-aza-2-silacyclopentane compounds whose nitrogen is substituted by a hydrocarbon group or a heteroatom-containing hydrocarbon group.  The method comprises effecting an intramolecular hydrosilylation reaction of a N,N-disubstituted aminosilane.  In a preferred method, the intramolecular hydrosilylation reaction is conducted in the presence of a rhodium-containing catalyst.
Patent CA-2102724-A1 (CA)
Title: Coating composition and process for comestible meat products
Inventor: SAMSON ALLAN D
IPC: A23L13/50
Filed: 1993-11-09
Abstract: ABSTRACT OF THE DISCLOSURE           A method is disclosed for preparing a battered and breaded foodstuff, particularly, chicken, which has the taste, texture and appearance of a fried food, but which has not been fried.  The batters of the present invention are applied after the chicken has been cooked and while the chicken is hot.  The latent heat of the chicken causes the batter to fix on the chicken.  In a preferred embodiment, the batter coated chicken is further coated with a bread crumb mixture before the batter is fixed.  The bread crumb mixture may also include flavored vegetable based oils derived from frying chicken for the purpose of imparting savory and fried food flavor characteristics to the non-fried food.
Patent CA-2103720-A1 (CA)
Title: Semiconductor laser
Inventor: TUCKER RODNEY S
IPC: H01S5/183
Filed: 1992-02-12
Abstract: A semiconductor laser comprises a plurality of laser sections (10, 11, 12) defined in a body and isolated electrically from one another. The active region (14) of each section are optically coupled together and electrical connections (9) connect the sections in series and provide connections to an external drive current source. In a practical embodiment the laser is constructed in planar form in a body (16) of semi-insulating material and wells (23a, 23b, 23c) are etched into the body and are provided with metallization (24) which forms the electrical connections. The active region (14) extends continuously through the body with separate p-type anodes thereabove and separate n-type cathodes beneath the active region and extending on either side thereof.
Patent CA-2107204-A1 (CA)
Inventor: DORNAN JAMES
IPC: B29C73/24
Filed: 1993-09-28
Abstract: An improved tire section repair unit for the repair of a damaged section of a tire. The repair unit includes two curved side walls pivotable connected to the base of the unit. A locking arm is provided that securely encloses the entire system of curved walls, base and internal air bag and heat pad arrangement situated about the tire under repair. The pivotable side wall design permits the repair of tires of varying sizes. A locking arm arrangement permits the use of lightweight side walls to enclose the system. As a result, the repair unit of the present invention is more transportable and less cumbersome to use.
Patent CA-2108726-A1 (CA)
Inventor: KUNZ BERNARD L
IPC: F16K31/08
Filed: 1993-10-19
Abstract: A latching valve for a fluid system including a valve housing, ported body chamber, and valve lids to control fluid flow between the ports, the valve lids being actuated by a moveable spring-loaded armature which, in turn, is controlled by a solenoid coil and readily replaceable permanent magnet which acts independently of the solenoid coil during latching operations.
Patent CA-2109058-A1 (CA)
Title: Locking Mechanism for Driving Axle Differential
Inventor: SLESINSKI STEVEN G
IPC: F16H48/30
Filed: 1993-10-22
Abstract: A drive axle differential has the shift fork (72,74) for the differential locking curvic clutch collar (60) slidably received over a push-rod (76) and registered against a flange (177) on the push-rod. The push-rod has one end slidably received in a bore (80) in the differential carrier and the other end threadedlyengaging an air pressure power piston (186). A slot (191) is provided in the threaded end of the push-rod for an adjustment tool and a locking screw (192) isthreaded against the push-rod after adjustment. The piston cover (188) containing the air pressure control signal port then attached to the differential carrier.
Patent CA-2110359-A1 (CA)
Inventor: NAKANO SHINJI
IPC: C08G63/91
Filed: 1993-11-30
Abstract: ABSTRACT OF THE DISCLOSURE      A hydroxy-terminated linear carbonate is produced by reacting a cyclic alkylene carbonate such as neopentyl glycol carbonate with a substance having at least one alcoholic hydroxyl group in the presence of a catalyst.          Mono- or polyhydric aliphatic alcohols, polycaprolactone polyols, hydroxyl group-containing acrylic monomers and polymers, and polyester polyols are modified by the reaction with the cyclic alkylene carbonate to have an enhanced reactivity and resistance to hydrolysis.
Patent CA-2110532-A1 (CA)
Inventor: DAVIS WILLIAM R
IPC: G09F9/35
Filed: 1993-12-02
Abstract: LIQUID-CRYSTAL DISPLAY UNIT FOR ELECTRONIC DIRECTORY            ABSTRACT OF THE DISCLOSURE      A liquid-crystal display, preferably eighteen lines of forty characters each, is mounted in a case.  The temperature of the display medium is held within operating limits for the display -- notwithstanding ambient temperature and humidity variations over generally normal ranges for at least the tem-perate zones, and even if the display unit receives direct sunlight.  The unit works outdoors, at temperatures to at least 46 °C (115 °F) as well as in buildings with no temperature control.  This is accomplished by use of a shading hood, and a window (preferably unperforated polycarbonate, curved, upward-and-outward-concave, and cylindrical-segment) that reflects to a viewer only light from the hood underside.  No ventilating fan, plenum or other ventilating opening is needed.  A circuit-board-mounted temperature sensor controls the contrast-adjust-ing voltage of the display -- using data in a digital-memory "look up" table.  A heater is preferably provided, also temper-ature-controlled.  The entire unit can be flush-mounted in a wall without disrupting operation.  Visible glare arising in reflection at the window is reduced by the hood-and-window combination, without need for any antireflection coating on the window.
Patent CA-2111324-A1 (CA)
Inventor: AXE JOHN R
IPC: A61B5/08
Filed: 1992-06-12
Abstract: A method and device for controlling sleep disorder breathing utilizes variable pressure. The compressor (15) supplies air at a relatively low pressure to the user's air passages while the user is asleep. A pressure transducer (17) will monitor the pressure and convert the pressure into an electrical signal. The electrical signal is filtered and processed to compare it to the characteristics of waveforms that exists during snoring. If the envelope of the waveform exceeds an average threshold value in duration and in area, then the microprocessor (23) will consider the envelope possibly associated with a snore. If a selected number of envelopes of this nature occur within a selected time period, then the microprocessor considers snoring to exist and increases the pressure of the compressor. If snoring is not detected within a certain time period, then the microprocessor (23) lowers the level gradually.
Patent CA-2111509-A1 (CA)
Inventor: FLEURY MARC
IPC: G01N15/08
Filed: 1993-12-15
Abstract: Le procédé consiste essentiellement à placer un échantillon initialement imbibé avec un premier fluide dans un récipient ou godet (2) contenant un autre fluide de densité différente et à appliquer une force centrifuge en faisant tourner le godet au bout d'un bras (16), de façon à étudier les déplacements des fluides dans l'échantillon au cours d'au moins deux phases distinctes. Durant la première, on augmente la vitesse de rotation pour drainer le premier fluide hors de l'échantillon. Durant la deuxième, on diminue progressivement la vitesse de rotation. Pour éviter toute discontinuité et permettre une imbibition de l'échantillon, on veille à maintenir en permanence les deux fluides en contact avec l'échantillon. On peut déterminer la quantité de fluide produite dans le godet (2) par la centrifugation. On peut aussi transférer ce fluide produit dans une chambre variable, à l'intérieur du même godet ou d'un deuxième godet tournant (6) par exemple. Application à l'étude de la pression capillaire et de la perméabilité relative d'échantillons par exemple.