baber/WOPTO huggingface dataset:
Patent CA-2280907-C (CA)
Title: Multichannel television sound stereo and surround sound encoder
Inventor: AVALOS SEALTIEL
IPC: H04B1/62
Filed: 1998-02-09
Granted: 2004-11-23
Abstract: The present invention provides method and apparatus for transmitting stereo and surround sound information of the L-R signal without excessive attenuation at the higher frequencies in order to allow transmission of surround sound through a noisy medium. The apparatus includes an audio breakout matrix (20) coupled to receive a left (12) and a right (14) audio inputs; a surround sound conditioner (22) coupled to receive a L-R signal portion of the television signal for pre-emphasizing and companding the L-R signal to produce a conditioned L-R signal; a mixer (26) coupled to the surround sound conditioner for switching the conditioned L-R signal at a predetermined value to produce an amplitude modulated L-R signal; and a synchronizing circuitry (24, 29) coupled to the mixer for maintaining the predetermined value in step with the reference value, wherein the mixed L-R signal is combined with a L+R signal portion of the television signal to produce a composite output signal (18).
Patent CA-2281368-C (CA)
Title: Service contract for managing service systems
Inventor: DAN ASIT
IPC: G06Q30/00
Filed: 1999-09-01
Granted: 2007-11-13
Abstract: A service contract system for providing a service includes a communication network, a plurality of parties coupled to the communication network and a service contract specifying unambiguous rules of interaction for the parties during transactions for the service. A method for managing service transactions between a plurality of parties coupled to a communication network, includes the steps of jointly developing a service contract having unambiguous rules of interaction between the plurality of parties regarding a service, registering the service contract in each of the plurality of parties and generating, from the service contract, enforcer modules consistent with the rules of interaction for managing transactions of the service.
Patent CA-2283099-C (CA)
Inventor: ELY GARY W
IPC: B27B31/06
Filed: 1999-09-23
Granted: 2008-07-29
Abstract: A method and apparatus for positioning a log in a lathe charger for transfer to a veneer lathe for peeling in which the geometrical centerline of the log is first determined by sensing the log in an at-rest position with light sensors or mechanical sensors and then two geocenters where such centerline intersects the ends of the log are determined. The log is then scanned with light scanners while it is rotated on charger spindles about such centerline to determine the optimum yield axis of the log by computer processing of the scan data. Two computed centers where the optimum yield axis intersects the opposite ends of the log are computed and the vectors of such computed centers relative to the geocenters are computed. A common line extending between the computed centers is determined and the displacement angle between such common line and a reference line is computed. The reference line may be a vertical axis or the charger pendulum arm radius. Then the log is rotated through the displacement angle to position the common line parallel to the reference line. Next the charger spindles are adjusted laterally along the reference line until the computed centers of the log are both positioned at the point of intersection of the common line and an arc line of travel of the pendulum arm. Then the pendulum arms clamp the log with chucks engaging the ends of the log and the log is transferred from the charger to the veneer lathe spindles by pivoting the pendulum arms to move their chucks and the log along the arc line to the lathe.
Patent CA-2295366-C (CA)
Inventor: YOKOYAMA HIROAKI
IPC: F24C3/10
Filed: 2000-01-13
Granted: 2003-12-23
Abstract: There is provided a portable gas cooking stove, including (a) a mixture gas pipe having an open end through which a mixture gas of combustible gas and air is exhausted, (b) a burner head connected to the mixture gas pipe in a hermetically sealed condition and having at least one opening at a surface thereof, the mixture gas blowing out through the opening, (c) an igniter igniting the mixture gas blowing out through the opening of the burner head, and (d) a windscreen surrounding the burner head and formed with a flame hole facing the opening of the burner head, the igniter being located outside the windscreen in facing relation to the flame hole. The portable gas cooking stove makes it no longer necessary to provide a net to an inner wall of a burner head, which was necessary to do in a conventional gas cooking stove, ensuring reduction in a period of time necessary for fabricating a flame hole and simplification in steps of fabricating a flame hole.
Patent CA-2301082-C (CA)
Inventor: AYLWARD JAMES HARRISON
IPC: A61K31/445
Filed: 1998-08-19
Granted: 2009-02-03
Abstract: This invention relates to a compound or group of compounds present in an active principle derived from plants of the species Euphorbia peplus, Euphorbia hirta and Euphorbia drummondii, and to pharmaceutical compositions comprising these compounds. Extracts from these plants have been found to show selective cytotoxicity against several different cancer cell lines. The compounds are useful in effective treatment of cancers, particularly malignant melanomas and squamous cell carcinomas (SCCs). In a preferred embodiment of the invention, the compound is selected from the group consisting of jatrophanes, pepluanes , paralianes and ingenanes, and pharmaceutically-acceptable salts or esters thereof, and more particularly jatrophanes of Conformation I I.
Patent CA-2304747-C (CA)
Title: Pattern recognition using multiple reference models
Inventor: PAWLEWSKI MARK
IPC: G10L17/00
Filed: 1998-10-14
Granted: 2007-08-14
Abstract: A method and apparatus for pattern recognition comprising comparing an input signal representing an unknown pattern with reference data representing each of a plurality of pre-defined patterns, at least one of the pre-defined patterns being represented by at least two instances of reference data. Successive segments of the input signal are compared with successive segments of the reference data and comparison results for each successive segment are generated. For each pre-defined pattem having at least two instances of reference data, the comparison results for the closest matching segment of reference data for each segment of the input signal are recorded to produce a composite comparison result for the said pre-defined pattem. The unknown pattem is the identified on the basis of the comparison results.  Thus the effect of a mismatch between the input signal and each instance of the reference data is reduced by selecting the best segments from the instances of reference data for each pre-defined pattern.
Patent CA-2306508-C (CA)
Inventor: SCHWARZ EUGEN
IPC: A61P1/04
Filed: 1998-10-02
Granted: 2008-11-25
Abstract: The invention relates to directly compressible tabletting aids with a xylitol content of more than 90%  by weight and a content of at least one other polyol of less than 10% by weight, which are produced by co-spray drying or co-fluidized bed granulation. The invention further relates to compositions, formulations and solid forms or compacts which comprise a tabletting aid according to the invention, and to a process for producing the tabletting aids according to the invention.
Patent CA-2307317-C (CA)
Inventor: LURQUIN CHRISTOPHE
IPC: A61K35/14
Filed: 1992-05-22
Granted: 2006-07-18
Abstract: The invention relates to an isolated DNA sequence which codes for an antigen expressed by tumor cells which is recognized by cytotoxic T cells, leading to lysis of the tumor which expresses it. Also described are cells transfected by the DNA sequence, and various therapeutic and diagnostic uses arising out of the properties of the DNA and the antigen for which it codes.
Patent CA-2308209-C (CA)
Title: Oscillateurs adaptatifs a sauts de frequence
Inventor: LAUTZENHISER LLOYD LYNN
IPC: H03L7/189
Filed: 1998-10-16
Granted: 2004-03-09
Abstract: La voie d'aller (102) est canalisée par alimentation d'une tension à un oscillateur commandé en tension (22) et cette tension comprend deux composantes. Une composante est une tension de canalisation commandant l'oscillateur commandé en tension (22) à une fréquence s'approchant de la fréquence voulue. L'autre composante est une tension de correction de fréquence que l'oscillateur (60) à sauts de fréquence a apprise pour chaque fréquence canalisée à mesure qu'un détecteur de phase (62) et un intégrateur (68) ont verrouillé en phase de fréquence de sortie d'un oscillateur commandé en tension (22) sur chacune des fréquences canalisées, une pluralité de fois préalablement. Ainsi, la présente invention comprend un procédé d'apprentissage dans lequel des variations de proportionnalités et de linéarités de l'oscillateur commandé en tension (22) et de composants tels que des résistances, un convertisseur A/N et un convertisseur N/A (84) sont corrigées par les tensions de correction de fréquence que l'oscillateur (60) à sauts de fréquence apprend, stocke et auxquelles il accède. De plus, le processus d'apprentissage compense la dérive due à la température.
Patent CA-2314191-C (CA)
Title: Power supply
Inventor: ENDO TAISUKE
IPC: H02M3/335
Filed: 2000-07-20
Granted: 2007-07-24
Abstract: There is provided a switching power supply having low loss.     In a power supply of the present invention, two sub switching elements connected in series are then connected in parallel with a bridge circuit, and a resonance coil and a sub primary winding are connected between a connection point of the series connection circuits and an output terminal of the bridge circuit. Resonance capacitors are respectively connected in parallel with each main switching element constituting the bridge circuit, so as to resonate with the resonance coil.  Voltages across the two ends of A phase and B phase sub secondary windings magnetically coupled to the sub primary winding are clamped to the supply voltage, a fixed voltage in proportion to the turns ratio is generated in the sub primary winding, a voltage applied to the resonance coil becomes small and current fluctuation becomes small.     Also, with the power supply of the present invention, two sub switching elements connected in series are then connected in parallel with a main bridge circuit, and a resonance coil and auxiliary primary winding are connected between a connection point C of the series connection circuits and an output terminal B of the main bridge circuit. Resonance capacitors are respectively connected in parallel with each main switching element constituting the main bridge circuit.  The auxiliary primary winding is magnetically coupled to a main primary winding H-bridge connected to the main bridge circuit, the main bridge circuit is controlled during resonance of the resonance coil, and the resonance is terminated using a voltage induced in the auxiliary primary winding.
Patent CA-2317204-C (CA)
Inventor: VACHA KEITH
IPC: B62D53/06
Filed: 2000-08-31
Granted: 2005-04-26
Abstract: A detachable gooseneck trailer (20) having a gooseneck (24) and a detachable trailer deck (22) utilizes a trailer attachment assembly (30) to draw the trailer deck (22) toward the gooseneck (24) during attachment. The attachment assembly (30) includes a pivoting carrier (66) having a retainer leg (84) with a rearward facing toad carrier engagement surface (90). A slide member (68) is attached to the trailer deck (22) and provides a forward facing slide member engagement surface (94). As actuators (70) pivot the carrier (66) rearward, the load carrier engagement surface (90) slides over the slide member engagement surface (94). A latching mechanism (34) utilizes an elongated latch plate (122) pivotally mounted on the retainer leg (84) to automatically latch the carrier (66) to the trailer deck (22). A latch biasing spring (124) biases the latch plate (122) toward its latched position, so that it automatically engages a catch (126) mounted on the trailer deck. A lift mechanism (36) utilizes lift actuator arms (148) extending from the tops of the load carrier ends (74, 76) to push down carrier arms (144) and support the gooseneck (24) above the ground. A ride height lock assembly (37) includes a pair of pawls (178) and a pair of ratchets (180) to lock the trailer deck at a desired ride height.
Patent CA-2317585-C (CA)
Inventor: STOUB EVERETT W
IPC: G06F17/30
Filed: 1999-01-05
Granted: 2008-07-22
Abstract: A computer system for automatically converting a scrollable electronic document, including text, graphics, tables and combinations, from a scrollable format to a non-scrollable format, the system comprising a page-forming mechanism configured to operatively and automatically arrange the scrollable electronic information document into a plurality of non-scrollable pages, each having one or more columns wherein each of the columns has a width corresponding to a number of characters per line within a predetermined range of characters per line, a content formatter mechanism configured to be operatively responsive to embedded formatting commands, either common word-processing commands or html commands or both; a font-sizing mechanism configured to operatively permit a user to selectively alter the size of the characters comprising the non-scrollable pages; an image sizing mechanism configured either to automatically alter the widths of graphic images and tables in the electronic document to proportionately conform to the width of the columns, or to reduce the graphic images and tables to selectively expandable icons positioned in the display; a screen having a display window configured to entirely display a selected one of the non-scrollable pages; and a page-turning mechanism configured to selectively, sequentially and individually display the plurality of non-scrollable pages in the display window. A method is provided for practicing the system.
Patent CA-2325715-C (CA)
Title: Container holder reflectance flag
Inventor: LEE GREGORY S
IPC: G01N21/03
Filed: 1999-03-22
Granted: 2011-05-24
Abstract: A bottle retaining mechanism (10) holds a culture bottle (1) in place in a cell in an incubating apparatus which agitates the culture bottle (1) and detects the growth of microorganisms in the culture bottle (1). When a bottle (1) is not present in the cell of the apparatus, the retaining mechanism (10) moves to a position which reflects light from the light emitter to the light detector in an amount greater than the amount of light reflected off a bottle (1) when present, so as to indicate when a bottle (1) is not present in a cavity of the bottle holder (3). The retaining mechanism (10)/reflectance flag (20) is also capable of providing a reference signal for auto-calibration purposes.
Patent CA-2327405-C (CA)
Title: Perceptual audio coder bit allocation scheme providing improved perceptual quality consistency
Inventor: FALLER CHRISTOF
IPC: G10L19/02
Filed: 2000-11-27
Granted: 2005-05-03
Abstract: A method (and apparatus) for coding an audio signal, the method comprising the steps of partitioning the audio signal into a sequence of successive frames; calculating one or more noise thresholds for each of a plurality of frames in the sequence, each noise threshold for a particular one of the frames corresponding to a different perceptual coding quality for the particular frame; estimating a bit demand for each of a corresponding one or more perceptual coding qualities for each frame, wherein each estimated bit demand comprises a number of bits which would be used to code a given frame at the corresponding perceptual coding quality; selecting one of the perceptual coding qualities for the coding of a particular frame based upon the estimated bit demand for the perceptual coding quality for the particular frame, and further based on one or more bit demands estimated for one or more other frames; and coding the particular frame based on the noise threshold corresponding to the selected perceptual coding quality for the particular frame. In particular, and in accordance with one illustrative embodiment of the present invention, the average bit demand for coding each of a plurality of frames at each of a plurality of different perceptual coding qualities is advantageously estimated, and based on these estimates, each frame is coded so as to maintain a relatively consistent perceptual coding quality from one frame to the next.
Patent CA-2329957-C (CA)
Inventor: KONO MASAKATSU
IPC: E01H5/04
Filed: 2000-12-29
Granted: 2007-03-27
Abstract: A walking-type snow removal machine comprises a snow removing member provided at a front part of a body frame for pushing snow forward, and crawler belts provided on right and left sides of the body frame. The body frame carries thereon an electric motor and a battery. The electric motor drives right and left drive wheels to drive the crawler belts. The electric motor generates little noise as compared with an engine, and contributes to downsizing of the snow removal machine. The battery supplies electrical power to the electric motor.
Patent CA-2330693-C (CA)
Inventor: MORIGAKI YUICHI
IPC: G05B19/05
Filed: 1999-04-23
Granted: 2005-06-28
Abstract: L'invention concerne un afficheur (3), que l'on utilise généralement uniquement pour afficher l'état de commande d'une unité (2) de commande, utilisé comme unité principale pour la transmission de données. Ledit afficheur effectue la conversion du protocole de communication régissant la communication de données entre des unités (2) de commande ou entre une unité (2) de commande et un processeur (7) de données. Par conséquent, les unités de commande fonctionnant en mode d'interblocage dans un système (1) de commande peuvent être utilisées exclusivement pour la commande des E/S que les unités (2) de commande exécutent principalement, réduisant ainsi la charge des unités (2) de commande. Bien qu'il existe un grand nombre de protocoles de communication, il n'est pas nécessaire de prendre en considération le type de protocole de communication régissant les unités (2) de commande et le processeur (7) de données, ce qui permet de réduire les homme-heures nécessaires à la création d'un logiciel.
Patent CA-2332548-C (CA)
Title: Method and apparatus for watermark detection for specific scales and arbitrary shifts
Inventor: COLLIER DAVID C
IPC: H04N7/26
Filed: 1999-02-17
Granted: 2003-10-07
Abstract: Methods and devices for detecting a watermark in a watermarked video stream, the watermark having been scaled by an unknown scale among a predetermined finite number of scales and shifted by an unknown number of pixels. For each of the predetermined number of scales, the video stream is divided into a plurality of equally sized scaled watermark blocks; and the plurality of scaled watermark blocks are read into a plurality of read blocks. Each of the read blocks are accumulated into one of a predetermined number of read block bins. The accumulated read blocks are then re-scaled and combined into a single video accumulated block. A predetermined quantity, such as the power of a DCT, is then evaluated within the video accumulated block. This evaluation yields information relative to presence of the watermark in the video stream, the scale applied to the watermarked video and the shift of the watermark, if any, within the watermark blocks. A fractional remainder operation is used to determine the number of read block bins for each scale under consideration as well as to determine the bin into which each read block is to be accumulated.
Patent CA-2334713-C (CA)
Title: Therapeutic biaryl derivatives
Inventor: UEHLING DAVID EDWARD
IPC: A61P3/10
Filed: 1999-06-09
Granted: 2006-01-17
Abstract: The present invention relates to therapeutic biaryl derivatives of formula (I), and pharmaceutically acceptable derivatives thereof; wherein R1 is a phenyl, naphthyl, pyridyl, thiazolyl, phenoxymethyl, or pyrimidyl group, optionally substituted by one or more substituents selected from the group consisting of halogen, hydroxy, C1-6alkoxy, C1-6alkyl, nitro, cyano, hydroxymethyl, trifluorormethyl, -NR6R6, and -NHSO2R6, where each R6 is independently hydrogen or C1-4alkyl; R2 is hydrogen or C1-6alkyl; X is oxygen, sulfur, -NH, or-NC1-4alkyl; R3 is cyano, tetrazol-5-yl, or -CO2R7 where R7 is hydrogen or C1-6alkyl; R4 and R5 are independently hydrogen, C1-6alkyl, -CO2H, -CO2C1-6alkyl, cyano, tetrazol-5-yl, halogen, trifluoromethyl, or C1-6alkoxy, or, when R4 and R5 are bonded to adjacent carbon atoms, R4 and R5 may, together with the carbon atoms to which they are bonded, form a fused 5 or 6 membered ring optionally containing one or two nitrogen, oxygen, or sulfur atoms; and Y is N or CH, to processes for their preparation and their use in the treatment of diseases susceptible to amelioration by treatment with a beta-3 adrenoceptor agonist.
Patent CA-2337314-C (CA)
Title: Method for preparing organic pigments
Inventor: SCHULZ GREGORY R
IPC: C09B67/04
Filed: 2001-02-16
Granted: 2010-05-11
Abstract: This invention relates to a process for preparing dispersible organic pigments by (a) milling a mixture containing (1) one or more organic pigments, (2) at least about 1 % by weight, relative to the organic pigment, of one or more aromatic polyalkylene oxide dispersants, (3) 0 to about 10 parts by weight, relative to the organic pigment, of a milling liquid in which the organic pigment is substantially insoluble, (4) 0 to about 50% by weight, relative to the organic pigment, of one or more milling additives other than dispersant (2), and (5) 0 to about 20% by weight, relative to the organic pigment, of one or more surface treatment additives; (b) optionally, adding to the milled pigment (6) one or more liquids in which the organic pigment is substantially insoluble in amounts such that the total solids content is not reduced below about 10%, and (7) one or more multivalent metal salts and/or one or more quaternary ammonium salt; and (c) isolating the milled organic pigment
Patent CA-2344086-C (CA)
Title: Human monoclonal antibody against a costimulatory signal transduction molecule ailim and pharmaceutical use thereof
Inventor: HORI NOBUAKI
IPC: G01N33/15
Filed: 2001-05-07
Granted: 2009-02-10
Abstract: Immunization of human antibody-producing transgenic mice, which have been created using genetic engineering techniques, with AILIM molecule as an antigen resulted in various human monoclonal antibodies capable of binding to AILIM and capable of controlling a variety of biological reactions (for example, cell proliferation, cytokine production, immune cytolysis, cell death, induction of ADCC, etc.) associated with AILIM-mediated costimulatory signal (secondary signal) transduction. Furthermore, it has been revealed that the human monoclonal antibody is effective to treat and prevent various diseases associated with AILIM-mediated costimulatory signal transduction, being capable of inhibiting the onset and/or advancement of the diseases.
Patent CA-2349551-C (CA)
Title: Method for protecting and consolidating calcareous materials
Inventor: WEISS NORMAN R
IPC: C04B41/46
Filed: 1999-10-28
Granted: 2007-09-25
Abstract: Embodiments provide methods for the protection and consolidation of calcareo us materials. An exemplary method includes providing an aqueous solution of a hydroxycarboxylic acid, adjusting the pH of the aqueous solution by adding an alkaline agent, and applying the pH-adjusted aqueous solution to a calcareous mineral to form a conversion layer on the mineral. The calcareous mineral may, for example, be carbonate rock, particularly limestone and marble, or may be part of masonry material, aggregates, or fillers. Adherent conversion layers are readily formed at ambient temperatures and, therefore, methods provided are suitable for field application. Conversion layers so formed are provided as further embodiments.