baber/WOPTO huggingface dataset:
Patent CA-2037780-C (CA)
Title: Hybrid perceptual audio coding
Inventor: BRANDENBURG KARLHEINZ
IPC: G10L19/035
Filed: 1991-03-07
Granted: 1996-07-02
Abstract: A hybrid coding technique for high quality coding of audio signals, using a subband filtering technique further refined to achieve a large number ofsubbands. Noise masking thresholds for subbands are then determined using a new tonality measure applicable to individual frequency bands or single frequencies.Based on the thresholds so determined, input signals are coded to achieve high quality at reduced bit rates.
Patent CA-2039278-C (CA)
Title: Motion adaptive luminance signal and color signal separation filter
Inventor: YAMAGUCHI NORIYUKI
IPC: H04N9/78
Filed: 1991-03-27
Granted: 1996-02-20
Abstract: The present  invention relates to a filter for separating luminance and color signals from a composite color television signal  in  which  the  frequency  of  the  color  signal  is multiplexed over  the  high-frequency  region of  the  luminance signal.  When  a    picture  is  detected  with  respect  to  its motion  under  frame    correlatlon  and  if  that  motion  is relatively  small,   the  separation  of  luminance  and  color signals is performed based  on the interframe correlation. If the motion is  relatively large,  the separation of  luminance and   color   signals   is   made   based   on   the   interfield correlation.  The  luminance and color signal  separation based on the interfield correlation is   attained from a correlation with  signals  in  a  field spaced    forwardly  away  from  the subject field by one field. This is accomplished by selecting a calculation having the highest   correlation in calculations for  an  objective  sample  point  and  a  plurality  of  sample points  located  about  the  objective    sample  point.  Such  a correlation  is  determined  by  checking  the  correlation  of image signals  in the  set of sample points which are spaced apart  from one another by one  frame and located around the objective sample point.
Patent CA-2040571-C (CA)
Title: Cordless key telephone system for covering multiple service areas having exclusively assigned control channels
Inventor: HARA TOSHIHIRO
IPC: H04B7/26
Filed: 1991-04-16
Granted: 1995-02-07
Abstract: ABSTRACT OF THE DISCLOSURE     In a cordless key telephone system for covering multiple service areas, access units are divided into groups corresponding respectively to the service areas, the access units of each group being located in the corresponding service area for broadcasting a recurrent sequence of address signals on a two-way radio control channel and carrying speech signals on an assigned two-way telephone channel. The access units of each group has a uniquely assigned control channel different in frequency from the control channel of the other group. Cordless stations are switchable to the control channel of a first group of the access units for detecting an address signal and subsequently switchable to the control channel of the access units of a second group if the address signal is not detected in a first sequence for detecting the addressed signal in a second sequence. A main controller is coupled to a switched telephone network for causing the access units to broadcast the address signals in response to an incoming call from the network and for establishing a connection between the network and one of the cordless stations.
Patent CA-2043027-C (CA)
Inventor: TESTART GERARD FRANCOIS
IPC: E01B7/06
Filed: 1991-05-22
Granted: 1998-08-11
Abstract: The switch comprises a frame consisting of, among other things, a preferably mechanically welded single end tongue plate (21) for retaining the stock rails (101) originating on the main route (P), a preferably mechanically welded double heel endplate (22) for retaining each of the two stock-rail (101)/blade-heel (102) pairs of each of the direct (D) and diverted (d) routes, spacers (30, 31, 32) for keeping apart the stock rails (101) of the main route (P) and the stock-rail (101)/blade-heel (102) pairs of each of the direct (D) and diverted (d) routes, sole plates (40) for supporting these stock rails (101) and/or blades (102), inner stops (50, 51) located between the blades (102) in the vicinity of their heel and carried by sole plates (40), and outer stops (50, 52) located between the stock rails (101) and blades (102) in the vicinity of their tongue and carried by the stock rails (101). 
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Patent CA-2043683-C (CA)
Inventor: NUKAGA TADASHI
IPC: D06F37/30
Filed: 1991-05-31
Granted: 1999-01-19
Abstract: A drum-type washing machine includes a horizontal shaft type drum which is rotatably supported by a supporting shaft within a frame and rotated by a motor, and a reduction mechanism transmits a rotation of a rotation shaft of the motor to a rotation shaft of the drum. The reduction mechanism includes a small pulley with gear secured to the rotation shaft of the motor, an intermediate large pulley, a V belt wound on the small pulley with gear and the intermediate large pulley, an intermediate small pulley secured to the intermediate large pulley to be rotated together with the intermediate large pulley, a large pulley secured to the rotation shaft of the drum, and a V belt wound on the intermediate small pulley and the large pulley. In the vicinity of the small pulley with gear, a claw which is normally biased toward a direction that the same is kept away from the gear is arranged. A solenoid or a torque motor engages the claw with a root of the gear against the spring when the drum is to be locked.
Patent CA-2062958-C (CA)
Title: Filter cylinder
Inventor: HEINO JUKKA
IPC: D21C9/18
Filed: 1990-06-26
Granted: 1994-12-13
Abstract: The invention relates more closely to a so-called drum filter, the basic construction of which comprises  a vessel, to which suspension being thickened is supplied and in which vessel a wire-surfaced cylinder rotates. The drum filter in accordance with the present invention is characterized in that its filtrate compartments (20) comprise a bottom part (28, 30) and a side surface (32), which is provided with a lip or bending (34) extending towards the inside of the compartment   (20) at the edge opposite relative to the bottom plane, which lip (34) prevents the filtrate from escaping from the compartment  (20) back through the wire surface, when the compartment (20) is inclined.
Patent CA-2065474-C (CA)
Title: Automatic loss control circuit for digital loop transmission system
Inventor: HAUGHTON LANCE JUNIOR
IPC: H04Q11/04
Filed: 1992-04-07
Granted: 1998-08-11
Abstract: A circuit is proposed for adjusting the loss provided to loops in digital loop carrier transmission systems. A constant current is supplied to the loop and the resulting voltage is measured to determine the resistance of the loop. This value is fed to a microprocessor with a look-up table which controls a programmable analog/digital converter. The loss at the output of the converter is a stepwise function based on the resistance of the customer loop.
Patent CA-2069815-C (CA)
Title: Protective helmet containing an integral transceiver
Inventor: REED JOHN W
IPC: H04B1/38
Filed: 1992-05-28
Granted: 1996-02-13
Abstract: A  protective helmet such as a football helmet,  motorcycle helmet,  construction helmet, or the like comprises a shell  made of impact-resistant material.  Inside of the helmet is a complete transceiver  system which allows two-way  wireless  communication between   persons   in  the  same  location  or  to   a   remote base unit.  No components of the system protrude from either  the interior  or exterior of the helmet shell as the antenna  follows the  configuration  of  the shell centerline while  one  or  more microphones  are contained within elements of the face  guard.  A switch device, also contained within the face guard and including an  illuminated element, is disposed within the field of view  of the wearer.
Patent CA-2071683-C (CA)
Inventor: CHOLET HENRI
IPC: E21B21/12
Filed: 1992-06-19
Granted: 2002-10-29
Abstract: L'invention concerne un appareillage pour le nettoyage d'un drain horizont al adapté pour être disposé à l'extrémité de deux tubages concentriques. Cet appareil comporte un corps muni d'au moins un orifice de sortie du fluide de nettoyag e et d'au moins un orifice de retour du fluide chargé de particules. Les orifices de sortie sont dirigés vers la paroi du drain et sont situés à une distance prédéterminée des orifices de retour.  L'invention concerne également une installation de nettoyage de drains horizontaux et une méthode de mise en oeuvre de l'installation.
Patent CA-2075345-C (CA)
Title: A flexible, kink-resistant, introducer sheath
Inventor: PARKER FRED T
IPC: A61M25/08
Filed: 1992-08-05
Granted: 2003-12-30
Abstract: A flexible, kink-resistant, introduces sheath for percutaneous vascular access. The introduces sheath includes a flat wire coil with uniform spacing between the turns, which is compression fitted about an inner, lubricous material polytetrafluorethylene tube. The introduces sheath further includes an outer tube of a heat formable polyamide material which is heat formed and compressed through the spaces between the turns of the wire coil to mechanically connect to the roughened outer surface of the inner tube.      The distal end of the outer tube is tapered in a mold with additional polyamide outer tube material. The proximal end of the sheath is flared for connection to a connector fitting.
Patent CA-2089396-C (CA)
Title: Portraiture printer system
Inventor: HARVEY RONALD B
IPC: H04N1/407
Filed: 1993-02-12
Granted: 1999-02-23
Abstract: A portraiture printer system receives portrait film which carries portrait images provided by a portraiture camera.   A  frame  grabber receives portrait  images carried on the film and converts them into digitized images.  An edit station processes the digitized images. The edit station manipulates the sequence of the images and their composition.  A printer receives the digitized images and prints the digitized images on an image recording medium.
Patent CA-2089455-C (CA)
Title: Method of manufacturing a dynamoelectric device
Inventor: PARKER SAM BROWN
IPC: B22F5/12
Filed: 1993-02-12
Granted: 1997-10-14
Abstract: A method of manufacturing an electromagnetic device having regions of ferromagnetic material and permanent magnet material is disclosed.  The electromagnetic assemblies of this invention utilize thermoplastic encapsulated iron powders and epoxy resin encapsulated permanent magnet powder.  A motor frame and permanent magnet assembly is formed in a first example, while a permanent rotor assembly is formed in a second.  The motor frame and permanent magnet assembly has a ferromagnetic frame defined by a region of encapsulated iron powder and an annular array of permanent magnets defined by a region of encapsulated permanent magnet material.  The permanent magnet rotor assembly has a ferromagnetic core defined by a region of encapsulated iron powder and a permanent magnet shell defined by a region of encapsulated permanent magnet material.  In the processing of both the motor frame and permanent magnet assembly and the rotor assembly, annular inner and outer punch elements coaxial with a central core rod are supported within a heated die casing for independent extension and retraction along the central axis.  The inner and outer punch elements are retracted to form cavities which are filled with the encapsulated permanent magnet and ferrous powders, respectively, for the motor frame and permanent magnet assembly, while the reverse exists for the manufacture of the permanent magnet rotor assembly.  Coaxial pressing mechanisms individually and  concurrently compress the powders to fuse and compact them to a predetermined axial length.
Patent CA-2089820-C (CA)
Title: Treatment of tumorigenic pathophysiological conditions with fgf-cytotoxic conjugates
Inventor: CALABRESI PAUL
IPC: A61K47/48
Filed: 1991-09-13
Granted: 1999-01-19
Abstract: Conjugates comprising bFGF or other FGF polypeptides and cytotoxic agent are pre pared. The cytotoxic agent can be a ribosome-inactivating protein (RIP), such as saporin, which is attached to bFGF through a chemical bond, or the composition can be prepared as a recombinant DNA chimera. The conjugates are used to specifi cally target cells, in vivo and in vitro, which express FGF receptors. The cytotoxicity of the conjugates is proportional to the number of receptors expressed by a cell type. The conjugate is useful to effectively treat mammals, and in particular human patien ts, afflicted with tumorigenic conditions, such as human melanomas, human ovarian carcinomas, teratocarcinomas and neurobiastomas, and other FGF-mediated tumors caused by a proliferation of cells which express FGF receptors.
Patent CA-2091278-C (CA)
Title: Unique ringing on a prime telephone line
Inventor: PINARD DEBORAH L
IPC: H04M19/02
Filed: 1993-03-09
Granted: 1996-12-10
Abstract: A telephone switching system is comprised of a main controller, switching circuits controlled by the main controller, a peripheral controller for controlling the seizing of subscriber lines for calls routed through the switching circuits, and further comprising a first memory associated with and accessible by the main controller for storing user data associated with each directory number, the user data comprising a ring type, a second memory associated with the peripheral controller for storing ringing cadence indicators associated with respective plural ring types, the main controller for reading the station data from the first memory upon receiving a request for service to a directory number, and sending the ring type indicator with a subscriber line seize message to the peripheral controller, the peripheral controller for reading the second memory and obtaining the ring cadence indicators associated with the ring type, and ringing a line according to the indicated ring cadence.
Patent CA-2092532-C (CA)
Title: Safety razors
Inventor: GILLIBRAND ROBERT
IPC: B26B21/44
Filed: 1991-10-10
Granted: 1998-12-15
Abstract: A safety razor having one or more blades (14) seated between a cap (11) and guard (12), said guard cap and guard having a comb configuration in which a comb like moulding (18) of a mixture of polyethylene oxide and a structural polymer, such as polystyrene is positioned between the teeth (13) of the comb-like cap portion, the teeth (19) of the polyethylene oxide-containing moulding being narrower than the space between the teeth of the cap portion so that the blade unit can flex concavely.
Patent CA-2094107-C (CA)
Title: Patient wearing apparel
Inventor: REMSKY GREGORY W
IPC: A41D13/12
Filed: 1993-04-15
Granted: 2000-06-13
Abstract: A unitary wraparound, one-piece back, medical patient garment provides openable connections between the back panel and each of the front panels, the connections being below the shoulder of the person wearing the garment. A two element threaded tie secures the gown around the waist of the person wearing the gown. Connections between the front panels and the back panel may be opened selectively, exposing selected body parts of the person wearing the gown, without unduly exposing other body parts of the person.
Patent CA-2094693-C (CA)
Title: Gear mechanism for tandem axles
Inventor: AUER ERNST M
IPC: F16H1/48
Filed: 1993-04-22
Granted: 2005-04-05
Abstract: A heavy duty work vehicle for rough terrain is provided with tandem axles wherein engine power is transferred equally to both the front and. rear wheels of the tandem axles. Gear means having a torque divider splits any unequal torque on the front and rear wheels into two equal torques to obviate wheel lifting and loss of traction.
Patent CA-2095208-C (CA)
Inventor: WONG BRIAN
IPC: G01N21/35
Filed: 1993-04-29
Granted: 1998-02-17
Abstract: A method and apparatus for non-contact and rapid identification of wood species is provided. The method comprises irradiation of a substance with infra-red radiation which is intense enough to introduce microstructural modifications of the substance surface. Various wood species are identified by analyzing intensity of optical radiation which is scattered from the modified surface. The surface is irradiated with two (2) infra-red beams of different level of energy density. A wood sample is analyzed with optical beams the first optical scanning is done prior to the first infra-red irradiation; the second optical scanning is done after the first infra-red irradiation; the third optical scanning is done after the second infra-red irradiation. It has been determined experimentally, that various wood species can be identified by analyzing intensities of the optical beams scattered from the modified surface. The method allows for non-contact, rapid and in-line identification of various species of wood.
Patent CA-2107122-C (CA)
Title: Portable exploitation and control system
Inventor: MATHER MICHAEL L
IPC: G06F1/16
Filed: 1993-03-22
Granted: 2000-05-16
Abstract: A multi-purpose portable system PECOS (10) is provided having capabilities which allow an operator (16) to perform system operations which include control, exploitation, testing and training for remote systems. The PECOS (10) has a portable housing (30) which encloses the system. Included in the PECOS (10) is a user interface (12) for allowing an operator (16) to interface therewith. Memory (60) is provided for storing application software (14) having control commands which correspond to a plurality of possible remote systems. A processor (58) is further provided for processing the control commands in response to the operator inputs.
Patent CA-2107174-C (CA)
Title: Epitaxial magnesium oxide as a buffer layer on (111) tetrahedral semiconductors
Inventor: FORK DAVID K
IPC: C30B23/02
Filed: 1993-09-28
Granted: 1998-07-28
Abstract: An article of manufacture having an epitaxial (111) magnesium oxide (MgO) layer, suitable for use as a buffer layer, on a (111) surface of a tetrahedral semiconductor substrate, and method for its manufacture is described.. The article may further include an epitaxial oxide overlayer on the (111) MgO layer. The overlayer may be a conducting, superconducting, and/or ferroelectric oxide layer.         The method of producing the epitaxial (111) magnesium oxide (MgO) layer on the (111) surface of a tetrahedral semiconductor substrate proceeds at low temperature.  The method may further include steps for forming the epitaxial oxide layer on the (111) MgO layer.  The methods include the steps of preparing the (111) surface of a tetrahedral semiconductor substrate for deposition and the low temperature depositing of an MgO layer on the prepared surface.  Further steps may include the depositing of the oxide layer over the MgO layer.
Patent CA-2107610-C (CA)
Inventor: CONRAD ALEXANDER
IPC: G08B3/10
Filed: 1993-10-04
Granted: 2000-01-18
Abstract: A locating and monitoring system includes transmitters worn by a person, animal, or equipment to transmit an unique identification code while moving about a facility. The code is transmitted by pulse bursts at diverse times during predetermined time intervals to prevent synchronization with resident signals in the facility. Receivers in the walls or ceilings of the facility respond to the infrared radiation of the pulse bursts and validate the identification code by a checksum of the code through a comparison with a checksum transmitted with the code.      The receivers deliver validated codes to arbitrators and receive back signals indicative of the level of an individual assigned to a class wearing the transmitters. Signals from the receivers are received by arbitrators which forward the codes to a CPU for recording start and stop events indicative of movement by transmitters into and out of the reception range of the various receivers.
Patent CA-2115495-C (CA)
Inventor: DUMOUX PHILIPPE
IPC: A47J37/12
Filed: 1994-02-11
Granted: 2001-07-31
Abstract: -     L'invention concerne un appareil de chauffe pour la cuisson ou la friture d'aliments dans un fluide, comportant une cuve de cuisson (1) entourée par une jupe externe (3) formant la façade de l'appareil, des moyens de chauffe (4, 5), et des moyens de pilotage (15, 25) du cycle de fonctionnement de l'appareil caractérisé en ce que au moins une partie des moyens de pilotage (15, 25) est fixée sur une plaque support (11) destinée à être montée de manière amovible dans une découpe (10) correspondante de la jupe externe (3) pour constituer une élément de la façade de l'appareil.
Patent CA-2116897-C (CA)
Inventor: FRITZ JILL ANN
IPC: B65D1/36
Filed: 1994-03-03
Granted: 1999-08-03
Abstract: A container constituted of a microwave transparent material for the heating or cooking of foods or comestibles through the intermediary of microwaves at a high degree of efficiency and with an enhanced temperature uniformity.  The present invention is directed to the provision of a simple and inexpensive multi-compartmented container structure which is constituted of a microwave transparent material, wherein the multi-compartmented container base is configured in a manner to produce in each compartment a generally upwardly curved bottom wall and inwardly curved and outwardly curved grooved lateral end walls and lateral side walls, respectively, with the lower end of each side wall  including  a  curvilinear transition wall  surface joining the respective end and side walls with the respective bottom wall, which will disperse the food or comestible within the container to an optimum extent so as to increase the heating and cooking efficiency thereof and to provide a more uniform temperature distribution throughout the container contents, thereby enabling the rapid and even heating and/or cooking of the food by microwave energy.
Patent CA-2117144-C (CA)
IPC: G01S17/93
Filed: 1994-03-07
Granted: 1999-01-26
Abstract: The present invention provides a mobility aid, for example a mobility aid handled in the manner of a flashlight, which allows a totally blind person to hand-scan, such as back and forth or up and down, the surrounding scene in order to hear the unbroken tonal phrases of varying frequencies which continuously indicate to the user the distance to, and, from the position of the hand, the position of objects and surfaces which make up the user's surroundings.  A narrow laser beam is used, resulting in much higher angular resolution and distance detail, due to the much shorter wavelength, than that obtainable from practical ultrasonic devices, including those of the said prior art.
Patent CA-2119153-C (CA)
Title: Adaptateur de reseau a optimisation de signaux d'indication
Inventor: PETERSEN BRIAN
IPC: G06F13/12
Filed: 1993-07-27
Granted: 2001-01-30
Abstract: Des signaux d'indication optimisés d'un transfert efficace de blocs d'informations sont produits par un adaptateur de réseau (3) qui réduit le retard du processeur central. Ledit adaptateur de réseau (3) se compose d'une logique d'interface réseau (11) conçue pour transférer le bloc d'informations entre le réseau et une mémoire tampon (9), et d'une logique d'interface centrale (8) conçue pour transférer le bloc d'informations entre la mémoire tampon (9) et le système central (1). L'adaptateur de réseau (3) comprend également une logique de seuil (10) dans laquelle une valeur seuil située dans une position de mémoire altérable (10A) est comparée à un compteur de transfert de données afin de produire un signal d'indication anticipé. Ledit signal d'indication anticipé peut être utilisé pour envoyer un signal d'interruption anticipé à un processeur central (5) avant que le transfert d'un bloc d'informations ne soit effectué. L'adaptateur de réseau (3) enregistre également des registres d'état d'informations d'état qui peuvent être utilisés par le processeur central (5) pour régler la temporisation de la production du signal d'interruption de l'adaptateur de réseau.