baber/WOPTO huggingface dataset:
Patent CA-2066745-C (CA)
Title: Multiple latched accumulator fractional n synthesis
Inventor: HIETALA ALEXANDER W
IPC: H03L7/183
Filed: 1991-08-01
Granted: 1996-09-17
Abstract: A multiple latched accumulator fractional-N synthesizer for use in digital radio transceivers is disclosed. The divisor of the frequency divider (103) of the synthesizer is varied with time by the summation of accumulator carry output digital sequences which result in frequency increments equal to a fraction of the reference frequency. The accumulators (615, 617) are latched such that upon the occurrence of a clock pulse, data is transferred through each accumulator one clock pulse step at a time, such that the delay through the system is equal to that of only one accumulator. The carry outputs of the accumulators (616,617) arc coupled through delays (645, 647, 649, 631, 633) equal to one less delay than the number of accumulators and added (635) such that all higher order accumulator carry outputs add to a net summation of zero so as to not upset the desired fractional setting of the first accumulator.
Patent CA-2074783-C (CA)
Title: Bolt repositioning device for firearms
Inventor: SCARAMUCCI SERGIO
IPC: F41A3/84
Filed: 1992-07-28
Granted: 2000-02-22
Abstract: A semiautomatic firearm including a recoil spring acting on the bolt for closing the breech after the ejection of the case. The repositioning device includes an auxiliary resilient member which cooperates with the recoil spring, so that although a low-rigidity spring suitable for weak cartridges is used, the weapon works correctly even when firing powerful cartridges. The device thus allows to use a wider range of cartridges and reduces the negative effects of recoil.
Patent CA-2078424-C (CA)
Title: Multi-resolution roofshooter printheads
Inventor: DRAKE DONALD J
IPC: B41J2/505
Filed: 1992-09-16
Granted: 1998-02-03
Abstract: A printhead for a thermal ink jet printer, preferably a roofshooter type printer,  includes at least two arrays of linear spaced apart nozzles and heating elements, each array having a different resolution to produce printed pages at a draft print using a low resolution array, at a letter quality print using a high resolution array, or a combination of both arrays to provide enhanced grey scale reproduction.  The high resolution array allows for accurate reproduction at a reduced throughput while the low resolution array allows for moderate reproduction at a higher throughput.   Alternatively,  the two arrays could be used simultaneously to provide a fast,  broad, coarse stroke and a slower, fine detail stroke.
Patent CA-2083199-C (CA)
Title: Method for the treatment of sewage and installation to be used for this method
Inventor: MARSMAN ERIC H
IPC: C02F3/28
Filed: 1992-11-18
Granted: 2003-04-08
Abstract: The invention relates to a method for the treatment of (raw) sewage in a package plant consisting of three bioreactors in series.      The treatment is being carried out using three types of biomass.      In a first step phosphate is removed by biological means and, at the same time, the chemical and biological oxygen demand is lowered in a highly loaded active sludge system, in a second step a nitrification is carried out, ammonium being converted to nitrate, and in a third step a denitrification is carried out using a carbon source. In the denitrification step acidified surplus sludge from the P-removing step can also be used instead of an external carbon source. The nitrifying and denitrifying bioreactors are both fixed film processes. The thickness of the biofilm on the support material in the nitrifying bioreactor can be influenced by adjusting the aeration system or by adjusting the hydraulic loading. In the de-nitrifying bioreactor the thickness of the biofilm can be adjusted by raising the shear by means of raising the superficial velocity in the support material. The system according to the invention makes possible effective treatment of raw sewage in a highly loaded system resulting in the far-reaching removal of COD, nitrogen and phos-phate.      The process can be operated in an alternative mode, where the nitrifying and denitrifying bioreactors are exchanged; first bio-reactor: biological-P-removal and simultaneous reduction of COD, second bioreactor: denitrification and third bioreactor: nitrifi-cation. The effluent of the nitrifying bioreactor is recirculated to the denitrifying bioreactor.      The first step is carried out in a plug flow bioreactor with an anaerobic and an aerobic zone. By using an intermediate settling tank between the first and the second step, it is possible to dis-charge phosphate-rich surplus sludge. The mixing in the nitrifying step is advantageously maintained by aeration under the packages of support material. Mixing in the denitrifying step is accomplished by means of a propellor.
Patent CA-2085441-C (CA)
Title: Fiber reinforced thermoplastic resin shaped article and its preparation
Inventor: HARA TAKAHISA
IPC: H01P1/383
Filed: 1992-12-15
Granted: 2003-02-11
Abstract: The present invention is directed to a fiber reinforced thermoplastic resin shaped article prepared by supplying a preheated fiber reinforced thermoplastic resin sheet between upper and lower molds, positioning the upper and lower molds so that clearance between the upper and lower molds when the mold clamping is completed is larger than the thickness of the unpreheated fiber reinforced thermoplastic resin sheet. A molten thermoplastic resin is supplied in a recess provided in at least one of the upper and lower molds through a resin passage provided in the mold so that a portion formed from the molten thermoplastic resin in the recess is integrated by fusion with a portion formed from the fiber reinforced thermoplastic resin sheet. The article is light-weight and also has a rib, a boss or any other projection.
Patent CA-2086644-C (CA)
Title: Frequency sweep control apparatus
Inventor: KONO SHINICHI
IPC: H04L7/04
Filed: 1993-01-04
Granted: 1999-03-23
Abstract: A frequency sweep control apparatus includes a variable frequency oscillator, a demodulator, a unique word signal detector, a sweep range controller, and a frequency controller.  The variable frequency oscillator is capable of controlling an oscillation frequency.  The demodulator demodulates a reception intermediate frequency signal by using an output from the variable frequency oscillator.  The unique word signal detector detects a unique word signal in the reception signal from a demodulated output from the demodulator 102 and outputs a detection signal indicating a unique word signal detected state in which the unique word signal is detected or a unique word signal non-detected state in which the unique word signal is not detected.  The sweep range controller controls a sweep range on the basis of an output from the unique word signal detector. The frequency controller controls the oscillation frequency of the variable frequency oscillator on the basis of an output from the sweep range controller.
Patent CA-2090288-C (CA)
Title: Compositions reticulables par irradiations et methode d'emploi
Inventor: CORNFORTH DAVID ARTHUR
IPC: C08F290/00
Filed: 1993-02-24
Granted: 1997-07-08
Abstract: On présente des compositions photoréticulables améliorées, renfermant du N-vinylformamide et un oligomère choisi dans le groupe constitué de résines d'époxyacrylate, de résines de polyester acrylate, de résines de polyuréthane acrylate, et de leurs mélanges. On ajoute aussi à la composition un photo-initiateur. De plus, on présente une méthode où la composition est appliquée à la surface d'un substrat, puis exposée à une source de rayonnement jusqu'à formation d'une pellicule polymérisée sèche adhérente sur le substrat. Ces compositions sont utiles comme revêtements pigmentés ou non pigmentés, encres d'impression, adhésifs, etc.
Patent CA-2092997-C (CA)
Title: Process for the synthesis of (4r-cis)-1, 1-dimethylethyl 6-cyanomethyl-2,2-dimethyl-1, 3-dioxane-4-acetate
Inventor: MILLAR ALAN
IPC: C07D319/06
Filed: 1991-09-11
Granted: 2002-05-14
Abstract: A process for the preparation of the compound of formula (I) which comprises treating a compound of formula (V) wher-ein L is halogen or (a), wherein Ar is aryl, with a compound of the formula (VI): M-CN. A second aspect of the present invention is a novel intermediate of formula (V).
Patent CA-2093774-C (CA)
Title: High-voltage unit comprising a measuring divider/resistor arrangement
Inventor: FREIHEIT-JENSEN BERND
IPC: G01R15/04
Filed: 1993-04-08
Granted: 2001-03-06
Abstract: The invention relates to a high-voltage unit, comprising at least a high-voltage electrode which carries a high voltage in the operating condition and a measuring divider/resistor arrangement which is connected between the high-voltage electrode and a measuring point wherefrom a measuring voltage corresponding to the variation in time of the high voltage can be derived. A reduced volume for building in is achieved in that there is provided a flat measuring electrode which carries the potential of the measuring point and in that the measuring divider/resistor arrangement is provided between the high voltage electrode and the measuring electrode so that it is inclined relative to these electrodes.
Patent CA-2093810-C (CA)
Title: Method and apparatus for treating meltblown filaments
Inventor: BUNTIN ROBERT R
IPC: D01D10/00
Filed: 1991-10-03
Granted: 2001-10-02
Abstract: A meltblowing die (11) is provided with means for discharging crossflow air (17) onto meltblown filaments (36) to disrupt their shape and flow pattern between the die and the collector (16). The disruption enhances drag forces imparted by the primary meltblowing air and results in smaller diameter filaments.
Patent CA-2094036-C (CA)
Title: Luggage with shoulder strap assembly
Inventor: LIU SHAUMIN
IPC: A45C13/22
Filed: 1991-11-20
Granted: 1996-01-02
Abstract: Conventional garment bags and other "carry-on" type luggage cases include a carry handle and a shoulder strap attached to the upper surface of the uppermost portion of the luggage piece called the console. In order to prevent the shoulder strap from tangling in baggage handling equipment, the shoulder strap includes a pair of releasable means called snap hooks which permit the user to remove the shoulder strap and carry the shoulder strap separately or in a pocket included in the outer panel of the luggage piece. The luggage piece (10) shown includes a dedicated shoulder strap pocket (50) which extends substan-tially the entire width of the luggage piece and includes a zippered closure (52) through which a permanently attached shoulder strap (40) can be deployed. The shoulder strap is attached into the inside of the shoulder pocket and is structurally attached (via 46 and 48) to the body of the luggage piece. The shoulder strap can be folded and placed within the shoulder strap pocket and the zipper closure closed in order to stow the strap for checking or otherwise.
Patent CA-2096200-C (CA)
Title: Tool holder
Inventor: KANWISCHER EDMUND
IPC: A47L13/512
Filed: 1993-05-13
Granted: 1996-07-16
Abstract: A device for holding tools between a pair of jaws which are arranged so that their downward movement also moves the jaws  toward  each  other  in  a  tool  gripping position.          Downward movement of the jaws is achieved by a combination of weight of the tool and a spring which is arranged on the device to force the jaws downwardly.
Patent CA-2102039-C (CA)
Title: A beverage package and a method of forming such a package
Inventor: LYNCH FRANCIS JOSEPH
IPC: B65D25/02
Filed: 1993-10-29
Granted: 2003-07-01
Abstract: A beverage package and a method of forming such a package has a can 1 within a primary chamber 5 of which is located an insert 6 having a secondary chamber 10. The insert has a seating in the form of a bore 11 within which is received the lower end of a tube 15. The tube 15 is fitted to the insert whilst the latter is positioned in the can. When the can is charged with beverage such as beer 20 having gas in solution and sealed to form a headspace 21 containing gas at a pressure greater than atmospheric, beer from the chamber 20 may fill the tube 15. The secondary chamber 10 contains gas at a pressure greater than atmospheric and on opening the container the headspace 21 de-pressurises causing beverage and/or gas from the secondary chamber to be ejected through the tube 15 and such ejection causes froth to be developed in the headspace 21. The tube 15 isolates a major part of the beer in the container from having its gas liberated so that such gas can evolve gradually to provide sparkle in the beer when the latter is poured into a glass. The tube is preferably press fitted into the socket 11. In an alternative arrangement the tube may be received on a spigot extending from the insert 6. Preferably the seating 11 is co-axial with a cylindrical can 1 and the tube 15 is curved to locate its upper end adjacent to the side wall 3 of the can.
Patent CA-2104763-C (CA)
Inventor: HARVAS GEORGE
IPC: F27B14/10
Filed: 1993-08-24
Granted: 1997-10-14
Abstract: A furnace refractory extraction system and method includes a selectively removable bottom portion which is attached to a refractory extraction device associated with a container for drawing the refractory lining of a coreless induction furnace into the container.  A plug portion in the furnace bottom is selectively removable to provide access to a bottom wall of the refractory lining.  An opening is made in the bottom wall of the lining through which an extractor shaft is inserted and then attached to the removable bottom portion of the furnace bottom.  The other end of the shaft is attached to a piston and cylinder assembly associated with the container at the open end of the furnace.  When the piston and cylinder assembly is powered, the lining is drawn into the container.
Patent CA-2109502-C (CA)
Title: Water insoluble derivatives of polyanionic polysaccharides
Inventor: MILLER ROBERT
IPC: A61L27/52
Filed: 1992-05-19
Granted: 2003-07-29
Abstract: A water insoluble, biocompatible composition that is formed by a method which combines, in an aqueous mixture, a poly-anionic polysaccharide and an activating agent, under conditions sufficient to form the composition; a nucleophile may also be added; Also, a water insoluble, biocompatible composition that is formed by a method which combines, in an aqueous mixture, a polyanionic polysaccharide and an activating agent under conditions sufficient to form the composition; a modifying compound and a nucleophile may also be added.
Patent CA-2118146-C (CA)
Title: Analyzing an image showing editing marks to obtain category of editing operation
Inventor: MAHONEY JAMES V
IPC: G06V30/40
Filed: 1994-10-14
Granted: 2001-07-17
Abstract: Input image data define an input image set that shows a graphical feature and editing marks indicating an editing operation to be performed on the graphical feature. The input image data are used to obtain operation category data indicating whether the editing operation would translate the graphical feature so that it is centered at a different position within the input image set. The operation category data are used to obtain output image data defining an output image that includes an edited version of the input image set. The output image shows the graphical feature centered at a different position only if the operation category data so indicate. The input image set can include an original image showing the graphical feature and an overlay image showing the editing marks. The editing marks can form a node-link structure with the graphical feature. If the structure is a directed graph, it can indicate an editing operation that would translate the graphical feature to be centered at a different position, such as a simple translation to a new position, a translation with scaling or rotation, or a replacement operation. If the structure is an undirected graph, it can indicate an editing operation that would not translate the graphical feature, such as a delete operation or a scale or rotate operation. A rectangle with a dot inside it can indicate scaling or rotation. A cross can indicate deletion.
Patent CA-2118485-C (CA)
Title: Cooler chest insulative blanket
Inventor: JENSEN ROBERT L
IPC: A47F3/04
Filed: 1994-10-19
Granted: 1998-03-31
Abstract: An insulated cooler for carrying perishables and cooling medium such as ice is improved to provide an extended period during which low temperatures are maintained.   A sheet of flexible, synthetic insulation material is placed over the perishables and cooling medium.   The sheet is pressed downwardly against the perishables and cooling medium, thus substantially conforming to the upper surface thereof.  A dead space is defined above the sheet and below the cover of the cooler.   Preferably, the insulation material  is  expanded  polyurethane,  which  can  be  washed,  is sufficiently flexible, and can be trimmed to fit the cooler.  The insulation material is preferably folded to three thicknesses and trimmed to cooperate with the footprint of the insulated cavity.
Patent CA-2120779-C (CA)
Inventor: GUGLIELMI GUIDO
IPC: A61B18/00
Filed: 1992-09-30
Granted: 1999-11-23
Abstract: An artery, vein, aneurysm, vascular malformation or arterial fistula is occluded through endovascular occlusion by the endovascular insertion of a platinum wire (56) and/or tip (53) into the vascular cavity. The vascular cavity is packed with the tip (58) to obstruct blood flow or access of blood in the cavity such that the blood clots in the cavity and an occlusion is formed. The tip may be elongate and flexible so that it packs the cavity by being folded upon itself a multiple number of times, or may pack the cavity by virtue of a filamentary or fuzzy structure of the tip (104). The tip is then separated from the wire mechanically or by electrolytic separation of the tip from the wire. The wire and the microcatheter (144) are thereafter removed leaving the tip embedded in the thrombus formed within the vascular cavity. Movement of wire in the mirocatheter (144) is more easily tracked by providing a radiopaque proximal marker (110) on the microcatheter and corresponding indicator marker (112) on the wire.   Electrothrombosis is facilitated by placing the ground electrode (114) on the distal end of the microcatheter and flowing current between the microcatheter electrode and the tip.
Patent CA-2121187-C (CA)
Title: Image quality correction circuit
Inventor: HANAI MASAAKI
IPC: H04N9/68
Filed: 1994-04-13
Granted: 1999-03-30
Abstract: An image quality correction circuit having a variable gain amplifier for amplifying an extracted high-frequency component of a luminance signal in such a manner that the gain thereof is increased when detected color density is high, and is reduced when the detected color density is low, and a slice circuit for slicing the outputted amplitude of the variable gain amplifier at a prescribed value, wherein a corrected luminance signal is obtained by combining an image quality correction signal outputted from the slice circuit with the luminance signal to be corrected.
Patent CA-2131775-C (CA)
Inventor: OZAKI AKIO
IPC: C12P13/24
Filed: 1994-09-09
Granted: 2002-02-26
Abstract: Provided is a process for industrially producing trans-4-hydroxy-L-proline, which is useful as a raw material for medicines or as an additive to foods. In the process, L-proline is converted into trans-4-hydroxy-L-proline in the presence of an enzyme source which is derived from a microorganism belonging to the genus Dactylosporangium or Amycolatopsis and which catalyzes the hydroxylation of L-proline into trans-4-hydroxy-L-proline, a divalent iron ion and 2-ketoglutaric acid, in an aqueous medium, and the produced trans-4-hydroxy-L-proline is collected from the aqueous medium. Also provided is a novel enzyme L-proline-4-hydroxylase, which is useful for the process.
Patent CA-2132199-C (CA)
Title: Depsipeptide derivative, production thereof and use thereof
Inventor: NISHIYAMA HITOSHI
IPC: A61K39/395
Filed: 1993-03-08
Granted: 2000-01-18
Abstract: (see above formula) wherein A is benzyl group which has suitable substituent (s) or phenyl group which may have suitable substituent (s), A a is benzyl group which may have suitable substituent (s) or phenyl group which may have suitable substituent (s), B and D are each lower alkyl, C is hydrogen or lower alkyl, and a pharmaceutically acceptable salt thereof.      The compound or a salt thereof of the present invention has excellent parasiticidal activities as an anthelmintic agent for animals and human bodies.
Patent CA-2139096-C (CA)
Title: Configurable low profile gas fireplace burner
IPC: F24C3/00
Filed: 1994-12-23
Granted: 1999-03-09
Abstract: A gas fireplace has a set of artificial logs. The logs rest on top of a burner. The burner is formed from top and bottom metal sheets. The sheets are sealed together around a channel matched generally to the prospective position of the logs. A gas orifice feeds gas into the channel, while gas ports in the top sheet release the gas. The gas ports are positioned to match the final position of the logs. The channel is formed by creating a depression in the bottom sheet using a press with a general purpose stamping die moving in the pattern of the channel or a single hit special purpose die, or a rolling die moving in the pattern of the channel, or by the bottom sheet being moved across a stationary rolling or beading die in the pattern of the channel.  Secondary air holes feed air through the burner adjacent to the channel and the gas ports. The burner has a low profile, is manufacturable using conventional sheet metal techniques, and the ports, channel and holes may be redesigned for different fireplace characteristics. The logs may be replaced by or used in combination with other decorative fire material such as artificial coal or simulated embers. One or more recesses may be formed in the top sheet into the channel for recessing at least those gas ports that would be visible through the log set and for receiving alternate decorative fire material for hiding the ports
Patent CA-2140196-C (CA)
Inventor: PITHON JEAN-MARIE
IPC: E04C5/12
Filed: 1995-01-13
Granted: 2001-05-29
Abstract: The invention relates to a mechanical connection for reinforcing bars, a device for placing this mechanical connection and a process for fixing the mechanical connection for reinforcing bars.      According to the invention, the mechanical connection for reinforcing bars is characterised in that it comprises: - a bush (11) with a hollow cylindrical body into which the end of the bar not having a connecting element is introduced, - a thread (8) at the end of the bush (11), - the hollow body and the thread being coaxial so that two bars disposed end to end can be connected, - the outer material of the bush having been subjected to deformation by the formation of linear or helical indentations, - the material of the ribs (10) of the bar penetrating into the hollow body of the bush (11), in order to connect the bar and the bush.      Used in building construction using concrete.