baber/WOPTO huggingface dataset:
Patent CA-2096431-C (CA)
Title: Systems and methods for coding even fields of interlaced video sequences
Inventor: WANG FENG-MING
IPC: H04N7/50
Filed: 1991-12-03
Granted: 1995-07-04
Abstract: Multi-mode predictive interpolative systems and methods for interlaced video sequences use past even fields as well as cur-rent and past odd fields to code current even fields. Block matching units (40, 42, 44) find for each block of pixels of a current even field to be coded, the corresponding block which matches it most closely in the current odd field, the past odd field and a past even field and calculate appropriate motion vectors corresponding to the best matched blocks. Based on the best matched blocks, and averages thereof, the best mode generator (60) selects a best mode block which most closely matches the block to be coded and derives an error block representing the pixel by pixel differences between the block to be coded and the best mode block. Signals representing the error block, the mode chosen, and the motion vectors corresponding thereto are then sent for transmission for use by a decoder.
Patent CA-2098028-C (CA)
Inventor: MELLISSINOS ANTHONY G
IPC: H03B29/00
Filed: 1993-06-09
Granted: 1997-12-30
Abstract: A low power white noise source is fabricated on an integrated circuit.  The noise source includes a bipolar  junction  transistor  (Q BJT) having  an emitter  terminal coupled  to  a  common  circuit potential, a collector terminal coupled to a source of  current  (CS),  and  a  base  terminal coupled through a resistance (R B) to a bias signal (VbiaS). The resistance has a resistance value selected to enhance a noise signal generated by the transistor in a collector current thereof. The noise source further includes a transresistance amplifier (AMP) having an input coupled to the collector terminal for converting the noise signal to a voltage signal (NOISE OUT) having white noise characteristics.
Patent CA-2103150-C (CA)
Title: Precision forming apparatus, method and article
Inventor: MERKLE KENNETH L
IPC: B21K1/16
Filed: 1992-05-15
Granted: 2001-05-08
Abstract: The apparatus comprises a die cavity (33) which conforms with the shape of a  portion of a part to be formed, a punch (29) with a cavity having end walls which conforms (43, 44) with the shape of another portion of the part to be formed, and means for causing relative movement of the die and the punch. The blank (21) and the fitting (20) have a microstructure wherein substantially all of the grain is oriented parallel to the longitudinal axis thereof. The method comprises producing a billet (22) having a maximum dimension in a given direction less than X, placing the billet in th e die (31), while the punch (29) and the die (31) are separated, so that punch/die relative movement will force the part of the billet having the maximum dimension less than X between the opposed walls where the cavity has the minimum lateral dimension of X, a nd causing relative movement between the punch and the die.
Patent CA-2105294-C (CA)
Title: Process for producing a multilayer, protective and/or decorative varnish coating
Inventor: HARTUNG MICHAEL
IPC: B05D7/00
Filed: 1992-02-01
Granted: 1998-07-07
Abstract: The invention relates to a process for the production of multicoat finishes, in which (1) an aqueous pigmented basecoat containing a water-thinnable polyurethane resin is applied to the substrate surface as basecoat, (2) a polymer film is formed from the coating applied in stage (1), (3) a transparent topcoat is applied to the basecoat obtained in this way and subsequently (4) the basecoat is baked together with the topcoat, and the water-thinnable polyurethane resin contains structural units of the formula <IMG> X representing a divalent aromatic hydrocarbon radical and R1 and R2 representing an alkyl radical having 1 to 4 carbon atoms.
Patent CA-2105671-C (CA)
Title: Combined filtration and fixation of heavy metals
Inventor: RIEBER ROY S
IPC: C02F1/52
Filed: 1991-12-11
Granted: 2002-03-12
Abstract: The present invention describes a filter medium and a method of filtering metals from liquids, such as waste water, in which the metals are filtered from the liquids and are chemically fixed in the resulting filter cake in a nonhazardous and nontoxic form so that they may be disposed of in nonhazardous landfills. When all or a portion of the metals are dissolved, they are first precipitated and then filtered and chemically fixed.
Patent CA-2105808-C (CA)
Title: Apparatus for aerating liquids
Inventor: EBNER HEINRICH
IPC: B01F3/04
Filed: 1993-09-09
Granted: 1997-03-04
Abstract: An apparatus for aerating liquids-includes a gas-and liquid-feeding rotor (6) and a surrounding stator (7) arranged in the bottom region of a container (2).  The rotor (6) is mounted for rotation about a vertical axis, and the stator (7) comprises two vertically spaced, horizontally parallel, annular plates (8, 8a) defining a central rotor-accommodating cavity (7b) and includes a plurality of cir-cumferentially spaced guide channels (9) located between the plates and arranged non-radially in the direction of rota-tion of the rotor (6) for conducting the gas-liquid mixture from the stator cavity (7b) to the outer perimeter of the stator (7);  Connected to the discharge ends of the guide channels (9) are respective elongated, circumferentially spaced distributing pipes (14) for conducting the liquid-gas mixture over a greater basal area of the direct aeration region than would be afforded by the guide channels (9) per se, the distributing pipes (14) being provided with upwardly directed distribution openings (15) over substantially their entire lengths.
Patent CA-2107320-C (CA)
Inventor: HIBINO MASAHIRO
IPC: G11B20/02
Filed: 1993-09-29
Granted: 1997-03-25
Abstract: An audio signal processing apparatus performs the optimization process of an audio signal reproduced from a medium such as a compact disk.  Each of low-pass and high-pass filters effects a band division on the audio signal.  A peak analyzer detects the peak value of a low audio-range signal and outputs a control signal corresponding to the detected peak value to a voltage-controlled amplifier.  The voltage-controlled amplifier adjusts the level of the low audio-range signal in accordance with the control signal.  A mixture and distribution circuit combines the output of the voltage-controlled amplifier and the output of the high-pass filter and distributes the composite signal to corresponding power amplifiers for respectively driving speakers.  Thus, a process suited to each of various music sources can be achieved by controlling the level of a low audio-range component based on the level of the low audio-range signal.
Patent CA-2107556-C (CA)
Title: Increasing blood-brain barrier permeability with permeabilizer peptides
Inventor: KOZARICH JOHN W
IPC: A61K47/42
Filed: 1992-04-23
Granted: 2002-01-22
Abstract: Peptides called receptor mediated permeabilizers (RMP) increase the permeability of the blood/brain barrier to molecules such as therapeutic agents or diagnostic agents. The permeabilizer A-7 or conformational analogues can be intravenously coad-ministered to a host together with molecules whose desired destination is the interstitial fluid compartment of the brain. Alterna-tively, the permeabilizer A-7 or conformational analogues can be administered sequentially with the molecule(s) of interest and these molecules can also be administered by routes other than intravascular.  The permeabilizer A-7 or conformational analogues allow these molecules to penetrate the blood-brain barrier and arrive in the interstitial fluid.
Patent CA-2108929-C (CA)
Inventor: LIEBIG HANNS PETER
IPC: B21D39/00
Filed: 1993-10-21
Granted: 1996-12-03
Abstract: A method and a tool set for joining superposed metal sheets are disclosed. In a first step, a preferably ring-shaped free space is provided by dislocating material of at least one sheet. Thereafter, material of all sheets is squeezed within the confines of the free space whereby material flows laterally into the free space producing an interengaging form lock.
Patent CA-2110614-C (CA)
Title: Process and apparatus for opening folded printing products
Inventor: MEIER JACQUES
IPC: B65H5/30
Filed: 1993-12-03
Granted: 2004-05-18
Abstract: Folded printed products are transported while held in suspended position at their fold and supported in their end region remote from the fold. The end section of the first product part, projecting with respect to the second product part, is seized and temporarily held by a gripper which is driven in a circulating manner. A stabbing element, driven at a different speed with respect to the gripper, then stabs into the printed product and lifts the second product part off the held first product part while the gripper moves away from the stabbing element. With the printed product open, the gripper releases the first product part.
Patent CA-2112916-C (CA)
Title: Circuit card assembly
Inventor: NORDIN RONALD ALEX
IPC: H05K1/02
Filed: 1994-01-06
Granted: 1997-12-02
Abstract: A plug-in circuit card assembly for mounting high power electrical and optical components. The apparatus comprises a printed wiring circuit mounting high power electrical and optical components and connectors with conducting paths interconnecting the components and ones of the components with the connectors. The assembly has a structure attached to the printed wiring circuit with a heat sink formed at one end and having a pair of plates extending outward therefrom. One plate mounts a plurality of high thermal conducting pedestals each engaging corresponding ones of the components. Vent tubes are positioned between the plates with each vent tube having one end engaging one of the pedestals and an oppositeend engaging the heat sink and functions to conduct heat from the components to the heat sink for dissipation.
Patent CA-2119410-C (CA)
Title: Rock bit grease composition
Inventor: DENTON ROBERT M
IPC: E21B10/24
Filed: 1994-03-18
Granted: 2006-12-12
Abstract: A rock bit for drilling subterranean formations is lubricated with a grease composition made from a high-viscosity synthetic lubricant basestock and a combination of lubricant additives. The grease composition preferably has in the range of from 1 to 20 percent by weight polyisobutylene, in the range of from 50 to 90 percent by weight ethylene-alphaolefin, up to approximately 40 percent by weight polyalphaolefin and in the range of from 4 to 45 percent by weight lubricant additives. For best lubrication in the severe environment of a rock bit bearing, the absolute viscosity of the composition is greater than about 100,000 centipoise at a temperature of approximately 70°F, and at a shear rate less than about 40 seconds-1.
Patent CA-2121922-C (CA)
Inventor: HOFFMANN EDUARD
IPC: B41C1/18
Filed: 1994-04-05
Granted: 2000-09-26
Abstract: A device for producing a tube-shaped printing form from a plate with a register hole system. A clamping strip which can be supported in its initial position and fastened to the respective plate edge longitudinally is provided for each edge of the plate to be connected. The clamping strips have a pin register which is designed in so that the pins can cooperate with the register hole system of the plate. A mechanism is assigned to one of the strips for effecting a rotation around an axle parallel to its longitudinal axis. The strips can be positioned opposite one another by this rotation and the plate edges clamped at the strips contact one another and can be connected for the purpose of forming a tube.
Patent CA-2122066-C (CA)
Title: Absorbable medullary plug
Inventor: WILSON STEPHEN
IPC: A61L31/06
Filed: 1994-04-25
Granted: 2004-12-14
Abstract: A bone plug for intramedullary insertion into the canal of a bone to restrict the bypass of cement during implant surgery is described. The bone plug is made of a bioabsorbable material and has a tapered central body providing the primary support for the plug. A plurality of radially extending disc-like fins extend from the body at spaced locations. The taper provides the distal fin with a greater degree of flexibility due to the long cantilever, thus permitting an ease of insertion into the intramedullary canal while the larger diameter body and shorter proximal fins lend structural stiffness to resist the migration of the device.
Patent CA-2124283-C (CA)
Title: Sulfurized molybdenum carbamate and phosphorothionate-containing urea grease composition
Inventor: OZAKI TAKAHIRO
IPC: C10N40/02
Filed: 1994-05-25
Granted: 1999-04-27
Abstract: A urea grease composition is disclosed, which comprises a urea grease and, incorporated therein as additives, a sulfurized molybdenum dialkyldithiocarbamate represented by formula (A):            (wherein R1 and R2 each independently represent an alkyl group having from 1 to 24 carbon atoms, m+n=4, m is 0 to 3, and n is 4 to 1) and triphenyl phosphorothionate represented by formula (B):
Patent CA-2124419-C (CA)
Inventor: FRICKER ROBERT
IPC: A47J36/24
Filed: 1994-05-26
Granted: 2006-01-03
Abstract: A heatable milk container exhibits a heating device (50), which exhibits at least one electrically heatable resistance element (52, 54), which partially envelope in a flat manner the container wall; one or several sensor(s) (56) positioned in the container walls; and a controller (56) that is connected to said sensors for controlled heating of the milk and keeping it warm.  Expediently there are two resistance elements (52, 54), which can be driven independently of each other and of which the one covers the entire container bottom (21'), whereas the other envelope the container shell (21'') over its entire height. The respective resistance element (52, 54) is controlled in such a manner by the controller (55) that the container wall and thus the milk, upon heating, does not exceed an adjustable maximum temperature ranging from 70° to 75°C; and upon reaching a wall tmperature ranging from 60° to 70°C; the heating power is reduced. With this heating device (60) according to the invention, the milk can be, first of all, heated and kept warm with less energy owing to the direct transfer of heat and, secondly, the heating temperature can be accurately controlled in a very simple manner, thus absolutely avoiding overheating of the milk in each heating phase.
Patent CA-2124747-C (CA)
Inventor: WILDEY ALLAN J
IPC: B23D61/04
Filed: 1994-05-31
Granted: 2004-02-24
Abstract: A square saw tooth having four cutting edges of the type which is rotatable about its axis on a saw disc to present a fresh cutting edge when the radially outermost edge wears out has carbide wear plates covering the high wear areas of its attack face and providing its cutting edges. A wear plate is provided at each corner of the attack face, and each wear plate has a flat rear surface for attachment to the tooth body and a front surface of a complex shape, having plateau surface areas at the corners, where the plates are thicker, and curved surfaces which recede from the plateau areas toward the interior of the attack face, so that the plate recedes in thickness away from the plateau area. This construction helps provide more uniform wear over the surfaces and edges of the attack face for a more efficient consumption of the wear plates.
Patent CA-2131080-C (CA)
Inventor: TAKANO MASATAKA
IPC: H04L12/28
Filed: 1994-08-29
Granted: 1999-09-28
Abstract: An asynchronous transfer mode (ATM) path changing system and method for use in an ATM communication apparatus and ATM communication network are provided which can set an alternate route in the event of a failure occurring in a transmission line or virtual path (VP). A header converter in a line controller includes a plurality of output path routing tables, a selector, a comparator, a register for failure routing information (RTG) and a register for failure virtual path identifier (VPI) and when the contents of the register for failure RTG or VPI coincides with a RTG or VPI of the output path routing tables, an output is selected in accordance with the contents of a selected emergency-route RTG or VPI register.
Patent CA-2132025-C (CA)
Title: Dispositif de verrouillage de porte de four
IPC: E05C19/02
Filed: 1994-09-13
Granted: 1999-03-09
Abstract: Le dispositif selon l'invention comprend une tige mâle (5) fixée à la porte (1) et venant s'engager dans un élément femelle (6) fixé sur le moufle (2) de four. L'élément femelle (6) comprend des organes de verrouillage (9) déplaçables radialement pour venir s'engager dans une gorge intermédiaire (8) de la tige mâle (5) lorsque la porte est fermée. Le déverrouillage s'effectue en manoeuvrant un poussoir (13) qui repousse une couronne intérieure d'appui (19) venant porter contre une bague de déverrouillage (10) venant elle-même solliciter les organes de verrouillage (9) à l'écart de l'alésage interne (7) de l'élément femelle (6) pour les faire sortir de la gorge (8) de la tige mâle (5).
Patent CA-2132287-C (CA)
Title: Radiant heater, in particular for heating a glass-ceramic hot plate
Inventor: KRATEL GUENTER
IPC: H05B3/74
Filed: 1994-09-16
Granted: 1999-06-15
Abstract: A radiant heater, in particular for heating a glass-ceramic hot plate, has an area bearing an electrical heating element, with this area being the surface of an insulator which comprises a mounting layer and/or a thermally insulating microporous insulation layer, and having a dish-shaped enclosure which forms an annulus surrounding the insulator. The radiant heater has the mounting layer and/or the enclosure and/or the microporous insulation layer comprising a highly porous, fiber-free inorganic material, for example vermiculite. A particularly preferred embodiment provides for a fiber-free radiant heater.
Patent CA-2140075-C (CA)
Inventor: SALEH RAMZI Y
IPC: C07C31/10
Filed: 1995-01-12
Granted: 1999-07-20
Abstract: The  present  invention  relates  to  enhanced  process  for converting certain ethers, such as sec-butyl ether and isopropyl ether to their corresponding  reaction products  in the  presence of  water. This may be accomplished by  adding a rate enhancing surfactant,  such as an anionic  or cationic surfactant  to a mixture  of the ether  and water, preferably  least about  10 -5  molar surfactant.   Under  those conditions the reaction shows  an increase in  reaction rate over  the rate of the process wherein surfactant is not used.
Patent CA-2142320-C (CA)
Inventor: LUDWIG JENNIE SUE GALLOWAY
IPC: A61K47/18
Filed: 1993-08-13
Granted: 2001-10-09
Abstract: A controlled sustained release tablet having at least one year shelf life and containing bupropion hydrochloride, hydroxyp-ropyl methylcellulose and cysteine hydrochloride or glycine hydrochloride with the tablet having a surface area to volume ratio to effectively control bupropion hydrochloride release in the body.
Patent CA-2143092-C (CA)
Inventor: LEE BENEDICT M
IPC: D01F2/30
Filed: 1993-09-07
Granted: 1999-07-27
Abstract: A method for producing ultra-fine denier cellulose acetate fibers that entails spinning a spinning solution containing adequately high amounts of cellulose acetate in acetone wherein the cellulose acetate has a falling ball viscosity of 15 to 70 seconds wherein the spinning is conducted through spinnerettes having holes that have a diameter of less than 36 microns followed by drying at a temperature of 50 to 80.degree. C at a draw ratio of 0.9 to 1.7.
Patent CA-2147337-C (CA)
Inventor: SAKATA TAKASHI
IPC: G01N33/49
Filed: 1995-04-19
Granted: 2004-10-12
Abstract: A reagent for analyzing leukocytes having at least one nonionic surfactant having an addition polymerization molar number of polyoxyethylene of 3 to 10, at least one cationic surfactant, and a buffer adjusting a pH value to 2.5 to 4.0, which can determine a cell size of and the morphological features of leukocytes contained in the blood sample.
Patent CA-2147655-C (CA)
Title: Sport boot liner and method for making same
Inventor: LANG HERBERT
IPC: A43B19/00
Filed: 1993-11-04
Granted: 1998-07-07
Abstract: A liner (20, 120) for a sport boot shell (25) and a method for making a custom fitted liner (20, 120) for a sport boot, are disclosed. Liner (20) is designed t o be worn inside a boot shell (25). In a preferred embodiment liner (20) includes inner an d outer flaps (34, 36) which wrap in opposite directions across a wearer's shin and form a compound curve in a region (80) in front of the wearer's ankle. The liner (20), including flaps (34, 36), may be made from a single piece of thermoplastic foam material (42) of uniform thickness. The design of the liner prevents the cuff (38) of the liner (20) from loosening around the wearer's shin and calf when the wearer's leg is flexed forward at the ankle. The shell (25) can therefore be worn more loosely than is necessar y with a boot liner of conventional design. Liner (20) may be made by making an un fitted liner (60) from a sheet of thermoformable material (42). Unfitted liner (60) has a forwardly facing opening (63) and wings (64, 66) extending forwardly on either s ide of opening (63). Unfitted liner (60) is then heated to above the thermoforming temp erature of material (42) and simultaneously fitted to sheell (25) and the wearer's foot and leg by the steps of: placing the wearer's foot into unfitted liner (60); forming flaps (34, 36) by wrapping wings (64, 66) across the wearer's shin; holding unfitted liner (60) in place with an elastic stocking (72); inserting the wearer's foot, unfitted liner (60) and elastic stocking (72) into shell (25) and allowing unfitted liner (60) to cool.
Patent CA-2147755-C (CA)
Title: 6-(substituted methylene) penems and intermediates
Inventor: BROOM NIGEL JOHN PERRYMAN
IPC: C07D499/04
Filed: 1993-10-20
Granted: 2004-12-07
Abstract: Compounds of formula (I) in which: R1 is hydrogen or an organic substituent group; R2 is a fused bicyclic heterocyclic ring system of general formula (a) wherein R4 and R5 are independently hydrogen or one or more substituents replacing hydrogen atoms in the ring system shown; m is 2 or 3; p is 0, 1 or 2; and R3 is hydrogen, a salt-forming canon or an ester-forming group; and the symbol = / = indicates that the double bond may be in either the E or Z configuration.
Patent CA-2147776-C (CA)
Title: Number translation services matrix
Inventor: TURNER GEORGE W
IPC: H04Q3/00
Filed: 1995-04-25
Granted: 1997-09-02
Abstract: A method is disclosed for processing call data among telephone  switching  offices  and  a  remotely  located database system, called an SCP (Services Control Point), such that one large monolithic application at the SCP is shared among a very large number of individual services. Specifically,  the disclosure pertains to the means  of achieving the necessary service differentiation at  the SCP,  namely  through:    i) the use of  a very powerful transaction  processor,  capable  of  addressing  massive amounts of memory and dealing with large numbers of real time  events;  ii) the  assignment  of  service-specific memory  addressing   ranges   (identified  hereafter   as Numbering Plans, which can be either Open or Private) in one  large  monolithic  application;  iii) the  use  of service-specific  search  keys  within  Numbering  Plans; iv) a  rich  common  service  logic  tree,   and  common reference library, capable of being pruned down to match the service logic needs of individual services,  and of individual customers within those services; and v) rapid screen  customization   at  the   service  provisioners' workstations   to   meet   service-specific   operations requirements.    The  result  is  a  matrix  with  all  the services on one axis and all the service features on the other,  such  that  the  intersections  of  services  and features can be customized by the Telco to meet specific service needs.