baber/WOPTO huggingface dataset:
Patent CA-2017841-C (CA)
Title: Digital transmission system using subband coding of a digital signal
Inventor: RAULT JEAN BERNARD
IPC: G10L19/00
Filed: 1990-05-30
Granted: 2000-04-18
Abstract: A digital transmission system is disclosed having a transmitter (3,6,9) and a receiver (13,16,19) for transmitting a digital signal, such as a digital audio signal, having a given sampling rate F S. The digital signal is subband coded into M subbands with sampling rate reduction. To that purpose the transmitter includes a first unit (3) for splitting up the digital signal into M signals having a sampling rate F S/M. These signals are available at the outputs (9.1 to 4.M) of the first unit (3), and are applied to M analysis filters (6.1 to 6.M), each filter (6.m) having one input (5.m) and two outputs (7.ma and 7.mb). The 2M filter outputs are coupled to 2M inputs (8.1 to 8.2M) of a signal processing unit 9 which has M outputs (10.1 to 10.M) for supplying the M subband signals (S1 to S M). Each filter (6.m) is adapted to apply two different filterings on the signal applied to its input and to supply the two different filtered versions of the input signal to its two outputs. The signal processing unit 9 is adapted to supply output signals on each of the M outputs, an output signal being a combination of at least a number of input signals applied to its 2M inputs. On the receiver side a signal processing is carried out which is largely inverse to the signal processing on the transmitter side, in order to realize a signal at the output (21) that is a nearly perfect reconstruction of the input signal.
Patent CA-2031560-C (CA)
Title: Exhaust gas purification system for an internal combustion engine
Inventor: TAKESHIMA SHINICHI
IPC: F01N3/20
Filed: 1990-12-05
Granted: 1995-07-18
Abstract: An exhaust gas purification system for an internal combustion engine includes a catalyst installed in an exhaust conduit of an engine and constructed of zeolite carrying at least one kind of metal selected from transition metals and noble metals to reduce nitrogen oxides included in the exhaust gas from the engine under an oxidizing gas condition and in the presence of hydrocarbons.  The system further includes means for repeating a cycle of cooling the catalyst and then stopping the cooling to allow the catalyst to rise in temperature so that the temperature rising courses of the catalyst are positively and repeatedly produced.  Since the catalyst can show a higher nitrogen oxides reducing ability in the temperature rising course than in the temperature lowering course, the NOx purification rate is greatly improved due to the positive production of the temperature rising courses.
Patent CA-2031814-C (CA)
Title: Method of recovering hydrocarbons using single well injection/production system
Inventor: ANDERSON DONALD J
IPC: E21B43/24
Filed: 1990-12-07
Granted: 1995-02-07
Abstract: Production of viscous hydrocarbons is initiated by first injecting an injection fluid down at least two tubing strings in a wellbore having multiple tubing strings therein.  Following an initiation phase, flow of injection fluid in the production tubing string is ceased, and production of formation fluid to the surface commenced in the heated tubing.  The production of formation fluids is controlled, and entry of uncondensed steam from the forma-tion into the wellbore avoided by maintaining a liquid level in the formation which is above the production perforations.
Patent CA-2036840-C (CA)
Title: Multiple socket attachment
Inventor: JAMMET JEAN-CLAUDE
IPC: H01R31/02
Filed: 1991-02-21
Granted: 1994-03-01
Abstract: ABSTRACT OF THE DISCLOSURE     A  multiple  socket  attachment  for  accommodating   a plurality  of  cord plugs is made of a flat  box-like  receptacle containing  four  electrical  conductors  made  of  metal  strips disposed in recess channels.  The receptacle is provided with two longitudinal rectilinear channels and a plurality of  transversal channels  leading  to  slots through  the  lateral  walls.   Each longitudinal  channel  contains two superposed  metal  srtips  in spaced  relationship  and each transversal channel  containing  a plurality of transversal strips in adjacent  relationship.   Each conductor  has an L-shaped leg extending through one face of  the receptacle   and  consisting  of  prongs  located  to  fit   into conventional wall outlet.
Patent CA-2039460-C (CA)
Title: Combustion system for suppressing emission of gases believed to cause green-house-effect
Inventor: SAITO TOSHIHIKO
IPC: B03C3/15
Filed: 1991-03-28
Granted: 1996-08-20
Abstract: A toxic gas exhaust suppression-type combustion system burns a hydrocarbon-based fuel and comprises, an imcomplete combustion section for causing imcomplete combustion by supplying the fuel and a small amount of air, a solid component removing section, connected to said imcomplete combustion section, for collecting and removing a solid component, such as soot, within an unburned gas generated by said imcomplete combustion section, and a complete combustion section for perfectly burning a remaining unburned gas by supplying a sufficient amount of air, the remaining unburned gas being obtained by removing the solid component from the unburned gas generated by said imcomplete combustion section by flowing the unburned gas through said solid component removing section.
Patent CA-2040685-C (CA)
Title: Roll angle determination
Inventor: HANSEN AKE
IPC: F41G7/30
Filed: 1991-04-17
Granted: 2002-04-16
Abstract: The invention relates to an arrangement for determining the roll angle position of a rotating projectile, shell, missile or the like with the aid of polarised electromagnetic radiation, comprising a transmitter arranged to emit a position-determining polarised radiation in the direction towards the projectile and a receiver arranged in the projectile in order to receive the transmitted radiation. The emitted radiation consists of two components, on the one hand a component in the long-wave band and on the other hand a component in the microwave band. The micro-wave component comprises a pulse train in which the pulses are intended to indicate whey the long-wave component is situated in a certain phase position, for example to indicate the sinusoidal long-wave component's zero cross-overs with a positive-going derivative. This takes place in such a way that a synchronising pulse is emitted by -the long-wave transmitter to the microwave transmitter which transmits a short series of microwave pulses as an indication to the projectile.
Patent CA-2045063-C (CA)
Title: Dual interleaved output queue
Inventor: SAREEN BIMAL KRISHAN
IPC: G06F11/14
Filed: 1991-06-20
Granted: 1995-12-12
Abstract: An interleaved output queue is used as a high performance interface on a system bus for transferring information from a CPU to main memory.  The queue is loaded on its input side with information that is bound for transmission from the CPU's cache to main memory.  On its output side, the queue is unloaded by dual sets of unload circuitry, each of which accesses the information stored in either the odd or even queue entry addresses.  Other select circuitry will alternate the transmission of information out of the two sets of unload circuitry to main memory.  Each set of unload circuitry receives error information back from main memory during the time that the other unload circuitry is issuing a transaction.  Transactions issued from the queue can proceed in an immediately successive sequence without waiting for the processing of error information from the immediately preceding transaction yet the queue can still recover form errors during high performance operation.
Patent CA-2045894-C (CA)
Title: Projection-type television set
Inventor: AOKI SATOSHI
IPC: G03B21/10
Filed: 1991-06-28
Granted: 1993-11-30
Abstract: ABSTRACT OF THE DISCLOSURE In a projection-type television set, a screen (2) is provided in a front opening part of a housing (1) and held by couplings of frames (30,31) and leaf springs (40,41) provided on ceiling (1a), bottom (1b) and side walls (1c) of the housing (1).
Patent CA-2050412-C (CA)
Title: Flow control device
Inventor: HAMMER MICHAEL R
IPC: G01N21/72
Filed: 1991-08-30
Granted: 2001-10-16
Abstract: A method and means for accurately regulating the rate of flow of supply gas to the burner or torch of a spectrometer.      The flow rate is controlled by a valve having a closure member which is movable between a position at which it provides maximum obstruction to gas flow, and a position at which it provides minimum such obstruction. The closure member movement is controlled by a pulsed electrical signal so that the closure member moves rapidly and repeatedly between each of the two positions. Gas flow rate through the valve is therefore dependent upon the aggregate of the times the closure member spends in either of the two positions referred to, and that flow rate is changed by varying the frequency and/or pulse duration of the pulsed signal.
Patent CA-2065722-C (CA)
Title: Boltless turbine nozzle/stationary seal mounting
Inventor: ACKERMAN ROBERT INGRAM
IPC: F01D11/00
Filed: 1992-04-09
Granted: 2003-10-07
Abstract: The invention comprises the use of a split retaining ring cooperating with an inner nozzle support member to retain nozzle segments and a stationary seal without the use of threaded fasteners. Elimination of bolt heads from the rotor/stator cavity reduces windage losses and enables a shortening of the inner nozzle band overhang, reducing the requirement for high pressure cooling and cavity purge air.
Patent CA-2065819-C (CA)
Inventor: LAWSON DAVID F
IPC: C08F236/10
Filed: 1992-04-10
Granted: 1999-11-30
Abstract: Diene polymer or copolymer compositions having reduced hysteresis are provided. The compositions comprise a mixture of diene polymers or copolymers containing carbon-tin bonds in the main polymer or copolymer chains and diene polymers or copolymer chains containing terminals derived from substituted imines having the formula:    wherein R1 and R2 are selected from the group consisting of H, alkyl, cycloalkyl, aryl, dialkylaminoaryl, aralkyl and aprotic O, N and S- containing alkyl, cycloalkyl, aryl and aralkyl groups; wherein R3 is selected from the group consisting of alkyl, cycloalkyl, aryl, dialkylaminoaryl, aralkyl and aprotic O, N, and S-containing alkyl, cycloalkyl, aryl and aralkyl groups; with the proviso that at least one of the R1, R2 and R3 groups must be a dialkylaminoaryl group and that not all of the R1, R2 and R3 groups can be aryl groups.      The diene polymer or copolymer compositions are prepared by first coupling a portion of the living diene polymer or copolymer chains obtained by anionic polymerization using a tin polyhalide coupling agent and then terminating the remaining living diene polymer or copolymer chains using the substituted imines. The resultant diene polymer or copolymer composition has reduced hysteresis properties and improved processability and can be utilized to form elastomer compositions and tire treads having reduced rolling resistance.
Patent CA-2071739-C (CA)
Title: Automotive weatherstripping
Inventor: BOVA ANGELA E
IPC: B60J10/00
Filed: 1992-06-19
Granted: 2005-04-12
Abstract: The invention concerns a silicone-modified EPDM modified with a freeze release additive of a fatty acid amide and/or optionally, graphite having at least 85% carbon, and compounded and co-extruded onto the surface of elastomeric sponge automotive weatherstripping thereby forming a permanent skin surface on the sponge material. The resulting material has improved and desirable freeze-release and coefficient of friction properties. These improved properties eliminate the need for currently used spray coatings, resulting in manufacturing cost savings and more durable surface.
Patent CA-2080649-C (CA)
Title: Apparatus for synchronizing data reading capabilities of an optical reader
Inventor: EDWARDS ROBERT J
IPC: G06K7/10
Filed: 1992-10-15
Granted: 2003-06-17
Abstract: A mounting apparatus for an optical reader which provides adjustment of the reader along two axes. The apparatus comprises a support member having a slotted section defined by first and second arms projecting from each end of the support member and extending in a second direction perpendicular to the first direction. There is a plate member adjacent and operatively coupled to the support member for clamping the support member to the support shaft, whereby the support member can be adjustably positioned in the first direction. A travelling nut is slidably positioned in the slotted section, and has an aperture in which the optical reader is held. The travelling nut includes a threaded hole engaged by a threaded portion of a thumb screw. The thumb screw extends through apertures in the first and second arms and into the slotted section for adjusting the position of the travelling nut in the second direction.
Patent CA-2081836-C (CA)
Title: Aromatic amidine derivatives and salts thereof
Inventor: NAGAHARA TAKAYASU
IPC: A61K31/50
Filed: 1992-10-30
Granted: 2005-04-12
Abstract: An anticoagulant agent which comprises, as an active ingredient, an aromatic amidine derivative represented by the following general formula (1) or a salt thereof: <See formula I>   wherein the group represented by <See formula II> is a group selected from indolyl, benzofuranyl, benzothienyl, benzimidazolyl, benzoxazolyl, benzothiazolyl, naphthyl, tetrahydronaphthyl and indanyl; X is a single bond, an oxygen atom, a sulfur atom or a carbonyl group; and Y is a saturated or unsaturated 5- or 6-membered heterocyclic moiety or cyclic hydrocarbon moiety optionally having a substituent group, an amino group optionally having a substituent group or an aminoalkyl group optionally having a substituent group.      The inventive compound has a high anticoagulant capacity based on its excellent FXa inhibition activity.
Patent CA-2085043-C (CA)
Title: Automatic range shift arrangement
Inventor: NEWBIGGING IAN M
IPC: F16H61/12
Filed: 1992-12-10
Granted: 2000-02-22
Abstract: An automatic range shift control system for automatically controlling range section (14) shifting in an otherwise manually shifted range type compound transmissian (10) is provided. A sensor (100) senses a value indicative of vehicle ground speed and provides a signal (100A) which is compared to a reference value. If the signal is greater than the reference, an actuator (96) is urged to engage the high speed range ratio and if the signal is less than the reference, the actuator is urged to engage the low speed range ratio.
Patent CA-2087433-C (CA)
Title: Method for authentication and protection of subscribers in telecommunication systems
Inventor: FLANDERS MARY BETH
IPC: H04M1/00
Filed: 1991-07-15
Granted: 1998-11-17
Abstract: Radio frequency based cellular telecommunication systems often require a subscriber (10) to maintain a proprietary identifier (19) or serial number (18) which is transmitted to a fixed network communication unit (20) to verify the authenticity of the subscriber (10). An enciphering and call sequencing method is provided which can decrease unauthorized detection of these proprietary ID's (18, 19). This method permits efficient roaming by allowing authentication variables for multiple calls to be sent from the "home" system (20) to the "visited" system and stored by the "visited" system for use with subsequent calls. Further, a method is provided which forces the authenticating mobile (10) to use information that only it has available to itself. Furthermore, a method is provided which allows continued encryption integrity during handoffs by maintaining a record of pseudo random events between a subscriber unit (10) and any source radio communication unit (20) (e.g., the number of handoffs that the subscriber (10) has undergone during a given conversation).
Patent CA-2104756-C (CA)
Inventor: SALO RODNEY W
IPC: A61N1/362
Filed: 1993-08-24
Granted: 2001-07-03
Abstract: A dual chamber cardiac pacemaker incorporating a microprocessor-based controller which is programmed to automatically establish an A-V interval at a value which provides optimum cardiac function but without the need for a special sensor for measuring cardiac function is described. The microprocessor is programmed to continuously monitor heart rate and variation in heart rate and only when the patient is stable, enter a parameter adjustment loop in which the pacemaker's A-V interval is incremented in several discrete steps and for each step, the corresponding average steady-state heart rate is measured and stored. When the A-V interval incrementation process causes that interval to reach a predetermined upper limit, the pacemaker's A-V interval is set at the value that corresponds with the minimum average heart rate to thereby maximize cardiac performance.
Patent CA-2107202-C (CA)
Title: Ship propulsion arrangement
Inventor: SALMI PEKKA
IPC: B63H20/00
Filed: 1993-09-28
Granted: 2003-05-27
Abstract: A main propulsion arrangement for a high power ship or the like comprises an underwater drive unit connected to and turnable by means of a substantially vertical tubular shaft journalled in the ship. The drive unit and the tubular shaft define a hollow casing enclosing an electrical propulsion motor connected to a propeller shaft, which is connected to a driving propeller external of the casing. The casing is, at its inside, supported by several mainly vertical web plates, which are arranged to act, in combination, as elements structurally stiffening and supporting the casing, as elements securing the propulsion motor in place relative to the casing, as elements transmitting to the casing reaction forces to the torque developed by the propulsion motor, and as wall elements of ducts for incoming and outgoing gaseous coolant for the propulsion motor.
Patent CA-2116207-C (CA)
Inventor: HEDRICK PAUL A
IPC: H01R13/713
Filed: 1994-02-22
Granted: 2004-03-30
Abstract: A male conductor plug for a cord set includes a bi-metallic circuit breaker. The positive, neutral and ground blades extend outwardly from the front end of the plug housing and the reset switch of the circuit breaker extends outwardly from the rear end of the housing. A circular wall extends outwardly from the rear of the housing to form a socket-like enclosure around the reset switch and a flexible water resistant boot is received over the reset switch and inside the wall to prevent the introduction of moisture into the circuit breaker.
Patent CA-2118053-C (CA)
Title: Mold vibrating apparatus in continuous casting equipment
Inventor: AOKI MASATO
IPC: B22D11/16
Filed: 1994-10-13
Granted: 2000-02-22
Abstract: A vibrating apparatus for vibrating a mold 1 by an electrohydraulic stepping cylinder 5 through a link mechanism 3 is characterized in that when a driving signal delivered into a drive unit 26 for the stepping cylinder 5, the actual acceleration of the mold 1 is fed back to a target waveform signal for the mold 1 and compensating signals for cancelling the operation delay of the stepping cylinder 5 and the signal transfer lag due to elastic deformation of the link mechanism and the like are added thereto to make feed-forward compensation.
Patent CA-2120052-C (CA)
Title: Hydraulic system for open or closed-centered systems
Inventor: BECKER MANFRED
IPC: A01B63/10
Filed: 1994-03-28
Granted: 1999-11-02
Abstract: A hydraulic system includes a hydraulic pump, a reservoir, a hydraulic function, such as a cylinder, and a power beyond valve for controlling communication between the pump, the reservoir and the cylinder. The pump provides pressurized fluid at a pump output as a function of the pressure in a load sensing port. For generating a pump controlling load sensing signal in case that the cylinder does not generate such a signal, it is proposed to provide a valve which blocks in a first position or opens in a second position communication between the feed line of the cylinder and the load sensing port of the pump. The valve functions in dependence of control pressures acting on each side of a valve member. A spring is provided biased to urge the valve member to its first closed position. Further, shift valve means are provided to supply selectively different pressures to both sides of the valve member. In an open-center hydraulic system, the valve means the shift valve means connects the first side of the valve member to the reservoir and the second side of the valve member to the feed line. In a closed-center system, the shift valve means will be changed over to connect the first side of the valve member to the feed line and the second side of the valve member to the pump outlet.
Patent CA-2120869-C (CA)
Inventor: DANNAWI MARWAN
IPC: E01F15/04
Filed: 1994-04-08
Granted: 2005-10-18
Abstract: L'invention concerne des dispositifs et un procédé d'amortissement de choc ainsi qu'une ossature et un véhicule comportant de tels dispositifs d'amortissement de choc. Le dispositif d'amortissement de choc, comprenand au moins un élément longitudinal (110, 111) absorbant par sa déformation l'énergie engendrée par un choc se produisant selon une direction donnée, et est caractérisé en ce que ledit élément est constitué en plaque mince, sa section située dans un plan perpendiculaire à la direction du choc ayant une forme générale triangulaire. Application. notamment aux véhicules ferroviaires
Patent CA-2121199-C (CA)
Title: Ether derivatives
Inventor: BIRD THOMAS GEOFFREY
IPC: C07D409/14
Filed: 1994-04-13
Granted: 2001-08-07
Abstract: The invention concerns ether derivatives of the formula I        Q1-X-Ar-Q2            I   wherein Q1 is an optionally substituted 9-, 10- or 11-membered bicyclic heterocyclic moiety containing one or two nitrogen heteroatoms and optionally containing a further heteroatom selected from nitrogen, oxygen and sulphur;        X is oxy, thio, sulphinyl or sulphonyl;        Ar is optionally substituted phenylene, pyridinediyl, pyrimidinediyl, thiophenediyl, furandiyl, thiazolediyl, oxazolediyl, thiadiazolediyl or oxadiazolediyl;   and Q2 is selected from the groups of the formulae II and III:-  wherein R1 is hydrogen, (2-5C)alkanoyl or optionally substituted benzoyl;        R2 is (1-4C)alkyl; and R3 is hydrogen or (1-4C)alkyl; or R2 and R3 are linked to form a methylene, vinylene, ethylene or trimethylene group; or a pharmaceutically-acceptable salt thereof; processes for their preparation; pharmaceutical compositions containing them and their use as 5-lipoxygenase inhibitors.
Patent CA-2122863-C (CA)
Title: Animal food supplement briquette
Inventor: JALBERT JACQUES
IPC: A23K40/20
Filed: 1994-05-04
Granted: 1997-05-20
Abstract: There is disclosed an animal food supplement and a method and apparatus for preparing the same.  The supplement is a high concentration vitamin/mineral supplement which is formed as a briquette by passing a mixture of the vitamin and minerals through a compacting step at a relatively low temperature.
Patent CA-2123812-C (CA)
Inventor: LESCOCHE PHILIPPE
IPC: B01D25/26
Filed: 1993-10-07
Granted: 2004-06-22
Abstract: PCT No. PCT/FR93/00994 Sec. 371 Date Jun. 6, 1994 Sec. 102(e) Date Jun. 6, 1994 PCT Filed Oct. 7, 1993 PCT Pub. No. WO94/08705 PCT Pub. Date Apr. 28, 1994The invention concerns an inorganic filtration unit for a liquid medium (2) with a view to recovering a filtrate, the unit comprising at least one inorganic, rigid, porous structure (A), presenting first (a1) and second (a2) principal faces opposite each other, at least one cavity (4) being arranged in the structure at a distance from the two faces, defining bearings (6), the cavity or the principal faces being coated with at least one separating layer (3). According to the invention, the porous structure (A) comprises at least one channel (8) with tight walls opening out on the two faces (a1 and a2) and arranged to traverse a bearing (6), with a view to constituting a first circulation network (R1) tight with respect to the cavity (4).