baber/WOPTO huggingface dataset:
Patent WO-02103438-A1 (WO)
Title: Polariseur a reseau de bragg pour fibre optique
Inventor: TRUJILLO PEDRO IGNACIO TORRES
IPC: G02B6/02
Filed: 2002-05-06
Abstract: L'invention concerne un procédé et un appareil destinés à polariser un rayonnement lumineux se propageant dans une fibre optique. L'appareil comprend une fibre optique comportant une section de réseau de Bragg de longueur déterminée, et un dispositif d'application de force destiné à appliquer une force latérale à une portion déterminée de la section du réseau de Bragg. La portion déterminée comprend un pourcentage déterminé de la longueur déterminée. Lorsque le pourcentage déterminé est égal ou supérieur à 10 pour cent environ, on obtient deux états de polarisation pour le rayonnement lumineux qui passe dans la fibre optique. Lorsque le pourcentage déterminé est une faible partie de la longueur du réseau, par exemple 1 pour cent environ de la longueur d'un réseau comprimé, on obtient un polariseur de fibre optique à accord fin. L'appareil peut utiliser une fibre optique standard, notamment une fibre de télécommunication, et confère différents avantages, en particulier la possibilité d'être commuté dans les états marche/arrêt par simple application ou retrait de la force latérale.
Patent WO-03009431-A1 (WO)
Title: Procede relatif a la realisation d'un dispositif collecteur blinde
Inventor: FERREIRA FLAVIO MARQUES
IPC: H01R43/08
Filed: 2002-07-17
Abstract: L'invention concerne un procédé relatif à la réalisation d'un dispositif collecteur blindé, qui présente des avantages notables par rapport aux procédés classiques. Ce dispositif comprend un collecteur à base de cuivre/résine phénolique, un système de verrouillage et un système d'arrêt. Le procédé, à dix étapes, donne un produit de qualité, moins onéreux, grâce au traitement automatique d'une barre de cuivre électrolytique de section transversale circulaire, sous forme de dispositif collecteur blindé comprenant: un collecteur en cuivre (12) revêtu de résine phénolique, un système de verrouillage (9) et un système d'arrêt (10).
Patent WO-0070213-A1 (WO)
Title: Fonctionnement de moteurs a combustion interne a induction forcee
Inventor: SOLAROLI ALBERTO
IPC: F02B75/02
Filed: 2000-05-15
Abstract: La présente invention concerne un moteur à combustion interne à étincelles renfermant au moins une chambre de combustion (4), dont le cycle de fonctionnement comporte des phases d'induction, de compression, de combustion et d'évacuation.  Ledit moteur est muni d'un système à induction forcée comprenant un compresseur d'admission (32) qui fournit un air d'admission au moteur via une conduite d'admission (36) comportant au moins un papillon (38), au moins un orifice d'admission (26) et une pompe (22) qui introduit des quantités mesurées de carburant dans la conduite d'admission.  Le compresseur est conçu pour augmenter la pression de l'air d'admission d'une atmosphère au moins dans la partie de la plage de fonctionnement du moteur qui correspond à une ouverture significative du ou des papillon(s), le ou les papillon(s) et le ou les orifice(s) d'admission assurant ensemble un étranglement suffisant du flux d'air d'admission sur cette partie de la plage de fonctionnement pour que se produise une expansion sensiblement adiabatique de l'air distribué par le compresseur à travers la conduite d'admission.
Patent WO-0180467-A1 (WO)
Title: Amplificateur optique a double etage a verrouillage de gain
Inventor: BEGIN MICHEL
IPC: H04B10/17
Filed: 2001-04-04
Abstract: L'invention porte sur un amplificateur optique à verrouillage de gain à double étage ou à plusieurs étages. Le signal d'entrée est injecté dans un guide d'onde optique, tel qu'une fibre optique, pourvu d'au moins un premier et un second étage d'amplification. Chaque étage d'amplification est pompé au moyen d'une source de pompage correspondante générant un signal de pompage ayant une valeur de puissance initiale. Des moyens permettent de surveiller la puissance de pompe initiale de la première source de pompage, de la seconde source de pompage et de la partie de ce signal non absorbé par le premier étage d'amplification. La puissance de pompage initiale des premier et second signaux de pompage commandés en même temps est établie à une même valeur régulée qui est calculée sur la base de la puissance de pompage du signal non absorbé émanant du premier étage d'amplification.
Patent CA-2000042-A1 (CA)
Title: Compounds
Inventor: WADSWORTH HARRY J
IPC: A61K31/425
Filed: 1989-10-02
Abstract: Novel Compounds Abstract A compound of formula (I) or a pharmaceutically acceptable salt thereof:                (I) in which one of X and Y represents hydrogen and the other represents -CH2-Z where Z is a group   in which Q represents a 3-membered divalent residue completing a 5-membered aromatic ring and comprises one or two heteroatoms selected from oxygen, nitrogen and sulphur, or three nitrogen atoms, any amino nitrogen being optionally substituted by a C1-2 alkyl, cyclopropyl or propargyl group, and any ring carbon atom being optionally substituted by a group R1; or a group   in which A1, A2 and A3 complete a 5-membered aromatic ring and A1 is oxygen or sulphur, one of A2 and A3 is CR2 and the other is nitrogen or CR3, or A2 is oxygen or sulphur, one of A1 and A3 is CR2 and the other is CR3; and R1, R2 and R3 are independently selected from hydrogen, halogen, CN, OR4, SR4, N(R4)2, NHCOR4, NHCOOCH3, NHCOOC2H5, NHOR4, NHNH2, NO2, COR4, COR5, C2-4 alkenyl, C2-4 alkynyl, cyclopropyl or C1-2 alkyl optionally substituted with OR4, N(R4)2, SR4, CO2R4, CON(R4)2 or one, two or three halogen atoms, in which each R4 is independently hydrogen or C1-2 alkyl and R5 is OR4, NH2 or NHR4; r represents an integer of 2 or 3, s represents an integer of 1 or 2 and t represents 0 or 1, with the proviso that when Y is hydrogen s is 1.
Patent CA-2000782-A1 (CA)
Title: An investment casting technique for the formation of metal matrix composite bodies and products produced thereby
Inventor: BURKE JOHN T
IPC: C22C1/10
Filed: 1989-10-13
Abstract: The present invention relates to a novel method for forming metal matrix composite bodies and the novel products produced therefrom. A negative shape or cavity, which is complimentary to the desired metal matrix composite body to be produced, is first formed. The formed cavity is thereafter filled with a permeable mass of filler material. Molten matrix metal is then induced to spontaneously infiltrate the filled cavity. Particularly, an infiltration enhancer and/or an infiltration enhancer precursor and/or an infiltrating atmosphere are also in communication with the filler material, at least at some point during the process, which permits the matrix metal, when made molten, to spontaneously infiltrate the permeable mass of filler material, which at some point during the processing, may become self-supporting. In a preferred embodiment, cavities can be produced by a process which is similar to the so-called lost-wax process.
Patent CA-2002223-A1 (CA)
IPC: A21D2/26
Filed: 1989-11-03
Abstract: A composition of natural ingredients which consists of a milled oat groat product and high gluten wheat flour and may also contain one or more diluents of other natural grain products and methods of utilizing the composition to make both yeast and chemically leavened baked goods which do not stale and have extended keeping qualities, are nutritionally superior due to high protein and dietary fiber content and are reduced in calories; dry mixes of natural ingredients derived from grains from which the yeast or chemically leavened baked goods can be prepared; doughs and batters made by the addition of liquid to the dry mixes; baked goods prepared from the doughs and batters;  and the methods of preparation of the mixes, doughs, batters and baked products.
Patent CA-2003333-A1 (CA)
Title: Starting ramp
Inventor: ANDERSON JEROME J
IPC: B66F7/24
Filed: 1989-11-20
Abstract: The Abstract of the Disclosure A starting ramp assembly is intended for use with a wheeled vehicle for enhancing the starting ability of the vehicle and for moving with the vehicle in a forward direction after the vehicle is clear thereof.  The assembly includes a wedge-shaped ramp which has a generally rectangular ground-contacting base, including a frame which has plural, box-like regions formed therein.  Plural base pads are mounted to the frame and are spring-biased to a position where the pads extend below the level of the base and provide a skid surface when the vehicle  is  clear  of  the  ramp,  the pads  being shiftable upwards relative to the frame when the vehicle is on the ramp, providing a slip-resistant contact between the frame and the ground. The ramp includes an inclined, vehicle-support surface which extends upwards from one end of the base and an upright member extending between the other end of the base and vehicle-support surface.   A length of chain is connected to the other end of the ramp and is attachable to the vehicle.  A coil spring extends between a side of the ramp and the chain and provides direction orienting mechanism which is operable to direct the chain along a side of the ramp as the vehicle clears the ramp, causing end-for-end rotation of the ramp.
Patent CA-2005020-A1 (CA)
Title: Emulsion polymers
Inventor: ALLEN KEITH C
IPC: C08F8/42
Filed: 1989-12-08
Abstract: ABSTRACT       The scrub and water resistance of paints and plasters are improved by incorporating a pressure emulsion polymer. This emulsion is formed in the absence of monomers containing acidic groups but in the presence of a stabilising surfactant including a C14 to C20 alkylene moiety.
Patent CA-2005483-A1 (CA)
Title: Longitudinally divided sleeve/envelope for light waveguide cables
Inventor: SCHILLING WERNER
IPC: H02G15/10
Filed: 1989-12-14
Abstract: ABSTRACT OF THE DISCLOSURE         A longitudinally divided sleeve for light waveguide cables that accommodates light waveguides of lengths excess including a flexible foil and of supporting members arranged inside the foil and folded to form the sleeve.  The excess light waveguide lengths can be secured either in formed cut-outs of the supporting members or in separate splice cassettes.
Patent CA-2008390-A1 (CA)
Title: Mutants of human antithrombin iii
Inventor: ZETTLMEIBL GERD
IPC: C12R1/19
Filed: 1990-01-23
Abstract: Mutants of AT III which have been advantageously modified at one or more potential glycosylation sites or at the Arg393 position are described. As a rule, combination of the mutations enhances the advantageous modifications.
Patent CA-2009821-A1 (CA)
IPC: B60C11/12
Filed: 1990-02-12
Abstract: ABSTRACT OF THE DISCLOSURE      A snow tire which has tread blocks provided with slits extending between the side edges of the block, and the slit comprises: the first part extending axially of the tire from one side edge toward the other side edge of the block; the second part extending axially of the tire from the said other side edge toward said one side edge of the block; and the third part extending obliquely with respect to the tire axial direction to connect the first part with the second part, wherein the depth of the slit is varied in the tire axial direction to form a shallow portion and a deep portion, the axial length of the first part is more than 0.25 times and less than 0.48 times the total axial length of the slit, the axial length of the second part is more than 0.25 times and less than 0.48 times the total axial length of the slit, the ratio between the axial length of the first part to the axial length of the second part is more than 0.8 and less than 1.2, the axial length of the third part is more than 0.04 times and less than 0.5 times the total axial length of the slit, the circumferential length of the third part is more than 0.04 times and less than 0.5 times the total axial length of the slit, the ratio of the depth of the deep portion of the slit to the depth of a circumferential groove which extends circumferentially of the tire to define said blocks is not less than 0.6 and not more than 0.8, the ratio the depth of the shallow portion of the slit to said depth of the circumferential groove is not less than 0.3 and not more than 0.55, and the ratio of the axial length of the shallow portion of the slit to the total axial length of the slit is not less than 0.25 and not more than 0.4, whereby uneven wear of the blocks is lessened without deteriorating the on-the-snow performance.
Patent CA-2010722-A1 (CA)
IPC: H03H3/02
Filed: 1990-02-22
Abstract: ABSTRACT OF THE DISCLOSURE A composite longitudinal vibration mechanical fil-ter for delivering out a supplied high-frequency signal in a predetermined frequency range includes a plurality of vib-ratable bodies including input and output longitudinal vib-ratable tuning bars with piezoelectric members superposed thereon, coupling elements by which the longitudinally vib-ratable tuning bars are coupled to each other, supporting elements projecting respectively from the input and output longitudinally vibratable tuning bars, and a holder to which the supporting elements are attached.  Grooves are defined in the longitudinally vibratable tuning bars at the same time that they are fabricated.  The grooves extend in the direction in which the longitudinally vibratable tuning bars are longitudinally vibratable, and are shorter than the length of the longitudinally vibratable tuning bars.          Through holes may instead be defined in the longitudinally vibratable tuning bars, the through holes having an opening size smaller than the wavelength of the longitudinal vibra-tion of the longitudinally vibratable tuning bars.          Piezoelectric members are fixedly superposed on the input and output longitudinally vibratable tuning bars in sand-wiching relation thereto.
Patent CA-2010943-A1 (CA)
Title: Method for improving a drilling process by characterizing the hydraulics of the drilling system
Inventor: SHEPPARD MICHAEL
IPC: E21B47/10
Filed: 1990-02-26
Abstract: Abstract A variety of flow and pressure measurements are obtained to characterize the drilling fluids hydraulics system of the borehole drilling process.  Notably, a differential pressure measurement which measures the difference between the pressure internal to and external of the drill bit is made close to the drill bit.  From this and other measurements are obtained valuable information on whether a change in pressure drop is due to a leak or a lost bit nozzle, on corrections to the downhole weight on bit measurement, on the rate of rotation of a downhole positive displacement drilling motor, on the efficiency of the drilling motor, and on an indication of whether a leak in or a blockage of the drill string has occurred and its location.
Patent CA-2012523-A1 (CA)
Title: Apparatus for detecting the configuration of a communication port
Inventor: GRIFFIN MICHAEL E
IPC: H04L29/06
Filed: 1990-03-19
Abstract: ABSTRACT           A system for detecting the configuration of a communication port includes circuitry for monitoring a communication line of the port.  If the line changes digital states it is assumed to be an output line of the port. If the line does not change digital states another circuit attempts to force the line into alternately high and low digital states.  If the line can be so forced, it is assumed to be an input line of the port.
Patent CA-2013199-A1 (CA)
Title: Toners for use in electrophotography and production thereof
Inventor: YAMASHIRO JIRO
IPC: G03G9/08
Filed: 1990-03-28
Abstract: ABSTRACT       There is disclosed a method of producing 3 toner particles for use in eloctrophotography which comprises: suspending a radical polymerizable monomer which contains carbon black as a colorant and a charge controlling agent therein in an aqueous phase: suspension polymerizing She monomer to provide spherical polymer particles of 1-30 µm in diameter; treating the suspension containing the polymer particles with a continuous, wet type, agitation mill, to deform the polymer particles.      A further method of producing toner particles is disclosed which comprises: producing spherical polymer particles by suspension polymerization of a monomer; making finely divided triboelectric or electroconductive particles or both onto the surface of the polymer particles; and then mechanically pressing the polymer particles to deform the polymer particles as well as to fix the particles on the surface of the polymer particles.      A still further method of producing toner particles is disclosed which comprises: producing spherical polymer particles of 20-300 µ m in diameter by suspension polymeri-zation of a monomer: and then crushing and classifying the polymer particles into toners of 1-30 µ m in size preferably after deforming the polymer particles.
Patent CA-2014042-A1 (CA)
Inventor: BASORA SANJUAN ANTONIO
IPC: A47J37/08
Filed: 1990-04-06
Abstract: 11 Abrégé Grille-pain comportant un boîtier (1), une résistance chauffante commandée par un interrupteur (2) associé à une minuterie, un chariot à pain (3) pouvant occuper au moins deux positions, soit une position de grillage, soit une position de repos. Le grille-pain comporte en outre un dispositif de maintien au chaud du pain grillé qui comprend un verrou mobile (9) pouvant occuper deux positions, soit une position de maintien au chaud pour laquelle en fin de cycle de grillage, le chariot (3) ayant ouvert l'interrupteur (2) qui coupe l'alimentation de la résistance, le verrou (9) entrave le déplacement du chariot (3) vers sa position de repos, soit une position d'éjection automatique pour laquelle le verrou (9) est escamoté et n'entrave pas ledit déplacement. Application au grillage et maintien au chaud d'aliments.
Patent CA-2015253-A1 (CA)
Title: Adaptive analysis apparatus
Inventor: BEIERLE ROBERT T
IPC: G01H17/00
Filed: 1990-04-24
Abstract: ABSTRACT        Disclosed  is  an  adaptive  analysis  apparatus having a signal  channel adapted to sense an acoustic signal of interest which includes noise and also having a plurality of reference channels adapted to sense such noise correlated with the noise on the signal channel. In the adaptive canceler of the apparatus, a pipelined approach  is  used  wherein  the  reference  signals  are divided  into  two  or more  sections  having  concurrent weight adjustment.   This architecture allows the speed of  adaptive  cancellation  to  be  increased  and/or  the number of reference taps to be increased without loss of cancellation speed.  Once a continuous stream of digital data has  been  established  in  this  architecture,  the speed  of  the  adaptive  processor  is  limited  only  by approximately  the  processing  time  of  the  slowest element.   In the preferred embodiment of the adaptive analysis  apparatus,   the  noise  canceled  signal  is converted to  the  frequency domain  in  a Fast  Fourier Transform device.   A central processing unit provides automatic analysis of the digital spectrum of the noise canceled signal based on a comparative analysis with predetermined reference data using statistical analysis criteria.   In one embodiment, this reference data will be  based  on  the  prior  analysis  of  a  statistically sufficient  sample   of  known   devices  under   noise conditions  similar  to  the  noise  conditions  when  the actual real-time analysis is to be performed.
Patent CA-2015968-A1 (CA)
Inventor: FREY ALEXANDER H JR
IPC: H04L12/56
Filed: 1990-05-02
Abstract: A multi-dimensional,  multi-nodal routing mechanism is described for relaying information from node to node using a header consisting of route descriptor bits.  Each node's receiver/transmitter pair changes states as the information  is  guided  to  the  destination  node.  The message is propagated over several nodes simultaneously to traverse the nodes and reach the destination node quickly.  When the final node is reached, all alternate communication routes are freed.
Patent CA-2016006-A1 (CA)
Title: Control system for low speed switched reluctance motor
Inventor: MACMINN STEPHEN R
IPC: H02P6/06
Filed: 1990-05-03
Abstract: ABSTRACT      A   method  and  apparatus  for   improving   the operation of a switched reluctance motor at low  speed incorporates   an   advance  angle   regulator   which regulates  the firing angle of current pulses  to  the switched reluctance motor so that over a wide range of speeds and levels for direct current source  voltages, the winding current reaches a commanded set point at a commanded  angle.   The advance  angle regulator  may comprise  a  closed  loop  regulator  which   includes apparatus for detecting the actual angular position at which  motor  current reaches a  commanded  level  and adjusts the turn-on angle to shift the angle at  which current reaches its desired level to a desired  angle. The  regulator incorporates a feedforward portion  and an  integral  portion.   The  feedforward  portion  is utilized primarily to accommodate situations in  which there  is no current feetback.  The  integral  portion provides  the  primary  regulation  when  current   is regulated to its desired value.  The regulator  causes the  torque versus current command to have a  transfer function which does not depend upon speed or DC source voltage  over  a  wide range  of speed,  voltage  and torque.
Patent CA-2016219-A1 (CA)
Inventor: ITO RYOHEI
IPC: F24S50/20
Filed: 1990-05-07
Abstract: ABSTRACT OF THE DISCLOSURE     In various sorts of equipment utilizing the solar light and heat, an apparatus pursueing the sun in order to secure constantly the sunlight energy source by making its light receiver pursue the displacing sun, comprises a rotary shaft being rotatable and equipped with a light receiver; a thermo-deforming plate which deforms to force the area in proximity to its light collecting portion with raised temperature to become the lowest portion of curved concave; a convex lens placed over the thermo-deforming plate; and a follower rod connected to the rotary shaft in a manner to be able to swivel in the axial direction of the rotary shaft and equipped with a rolling piece in its lower end, wherein the thermo-deforming plate secured at its two extremities to form a curved concave is placed underneath and transverse to the rotary shaft in a position whereupon the light receiver is not placed, and the rolling piece of the follower rod is placed on the thermo-deforming plate in a manner that the follower rod is forcibly pressed down to place the rolling piece constantly against the bottom of the curved concave of the thermo-deforming plate formed by its thermal deformation.     The sunlight passing through the convex lens is collected by the thermo-deforming plate and its light collecting portion deforms thermally leading to the parabolic deformation of the whole thermo-deforming plate.          As the result, the rolling piece is rollingly moved by means of the follower rod towards the lowest portion of the thermo-deforming plate, and the light receiver rotationally pursues the sun by the rotation of the rotary shaft connected to the follower rod.
Patent CA-2016696-A1 (CA)
Title: Smoking article with improved insulating material
Inventor: BANERJEE CHANDRA K
IPC: A24D1/22
Filed: 1990-05-14
Abstract: RBP File No. 4109-71 ABSTRACT OF THE DISCLOSURE    The present invention relates to an improved insulating sheet material and to cigarettes and other smoking articles which employ the insulating sheet material as one or more components thereof.  The improved insulating material is particularly useful in smoking articles having a fuel element and a physically separate aerosol generating means, e.g. as an insulating member for insulating the fuel element.  In general, the sheet material of the present invention is formable without the use of any organic binder and comprises an inorganic fibrous material such as calcium sulfate fibers, calcium sodium phosphate fibers, or mixtures thereof, and a relatively small amount of highly refined cellulose-based fibers such as wood pulp.