baber/WOPTO huggingface dataset:
Patent CA-1215145-A (CA)
Title: Tv tuner oscillator with feedback for more low frequency power
Inventor: SAITOH TAKESHI
IPC: H03B1/00
Filed: 1983-10-12
Granted: 1986-12-09
Abstract: ABSTRACT OF THE DISCLOSURE         An oscillator circuit suitable for use in a local oscillator of a tuner of a television receiver set.  A feedback circuit comprised of a feedback capaci-tor is connected between a junction of a tuning diode and a correcting capacitor connected in series therewith and the emitter of an oscillation transistor.          Oscillation voltage developing across the correcting capacitor is fedback to the emitter of the oscillation transistor through the feedback capacitor.  When the tuning diode is conditioned to have a large capacitance value, a large oscillation voltage is fedback to the transistor through the feedback capacitor whereas when the tuning diode is conditioned to have a small capaci-tance value, a small oscillation voltage is fedback to the transistor through the feedback capacitor.  The oscillator circuit continues to oscillate stably over a wide frequency range whenever the tuning diode changes from the small capacitance value to the large capaci-tance value or vice versa.
Patent CA-1177962-A (CA)
Inventor: GORGONE ROBERT L
IPC: G06K5/00
Filed: 1983-11-10
Granted: 1984-11-13
Abstract: ABSTRACT         In the field of security validators, slot acceptors have been known which transport paper of-fered as a valid security past a testing station. Previously known acceptors have been susceptible to defeat by mosaics, stringing, shocking, photocopy duplication, and the like. Additionally, known ac-ceptors have operated in an analog mode, relying up-on rudimentary test functions.  The invention herein overcomes the problems of the prior art by present-ing an acceptor having a note path (18) characterized by changes of direction (22,24), and which is secured at each end by means of unique gate assemblies (78, 98).  A plurality of sensors (148-152) are positioned along the note path and are controlled to take a mul-titude of data samples from the paper as it passes along the path.  The data is digitized (236) and used for solving complex transforms, the results of which are compared against results obtained from known valid securities to determine the authenticity of the paper offered.  Further, the system includes a unique anti-jamming technique of drive motor reversals, and an escrow feature which secures the paper once it has been determined to be authentic and before a vend has been made.  Yet further, there is included a novel receptacle for receipt and return of paper offered to the acceptor, and a number of variations of anti-stringing devices (112,114,118,130) which may be operatively positioned at the end of the note path.
Patent CA-1234053-A (CA)
Inventor: SWANSON JOHN E
IPC: F02C7/06
Filed: 1983-11-14
Granted: 1988-03-15
Abstract: Abstract Seal Means For a twin spool gas turbine engine that utilizes a carbon seal.  A bellows is supported to bias the carbon seal against its seal plate and a back-up seal consisting of a piston ring is located in the balance diameter of the carbon seal to maintain its loading in the event the bellows fail.
Patent CA-1245317-A (CA)
Inventor: POWERS CHARLES W
IPC: H01R4/18
Filed: 1983-11-29
Granted: 1988-11-22
Abstract: IGNITION WIRE TERMINAL                 ABSTRACT OF THE DISCLOSURE     A one piece ignition wire terminal which does not require a separate spring to provide depend-able retaining force to a terminal, and which may be used either as a straight ignition wire ter-minal or a bent ignition wire terminal, is crimped to an ignition cable over only a portion of its crimping area, to increase the retention of the terminal to the cable.  The terminal includes a barrel portion with an integral spring formed by cutting a generally U-shaped slot in the material of the terminal, forming a spring tongue portion, which is provided with a radial projection.  The radial projection may be directed inwardly, for use with a conventional spark plug type terminal, or outwardly, for use with a conventional distrib-utor socket.  The ignition terminal is made usable either as a straight terminal or a bent terminal by providing it with three deformed sections in an intermediate channel section, including inward facing deformations at the edges of the channel, and a third inward deformation of the bottom of the channel.  The resulting intermediate section is not significantly weakened, and may be made into a bent section by bonding in the direction that places the third deformation at the apex of an acute angle.  The crimpable area of the ter-minal may be crimped to an ignition cable over only approximately one-half of its length, the uncrimped length forming a diverging funnel por-tion adjacent the end of the ignition cable.
Patent CA-1211631-A (CA)
Inventor: GIGUERE NOEELLI
IPC: A01D34/63
Filed: 1983-11-30
Granted: 1986-09-23
Abstract: ABSTRACT OF THE DISCLOSURE        A mowing apparatus to cut various kinds of vegetation is disclosed, comprising a floating work head mounted at the working end of an articulated hydraulic arm.  The work head has a horizontal rotating element operatively connected to a power source and carrying at both its opposite ends a pivotally-secured cutting blade.  The work head is formed with a semi-circular front upper edge and two laterally-spaced forwardly-extending projections, the latter defining, along with the sides of the front upper edge, a V-shape indents,  The projections channel the growth to be cut towards the indents, as does the upper edge.  The arc of the cutting blades is forward of the front upper edge.
Patent CA-1212809-A (CA)
Inventor: BLIEFERT CLAUS
IPC: C08J7/12
Filed: 1983-12-07
Granted: 1986-10-21
Abstract: Abstract of the Disclosure Method for the fluorination of a surface layer of articles molded from plastic, vulcanized rubber or other such macromolecular substances by the exposure of at least a part of the article's surface to a fluorine-yielding liquid in a controllable reaction, the liquid consisting of a solvent or solvent mixture containing dissolved elemental fluorine.         Suitable solvents are especially halogen hydrocarbons in accordance with DIN 8962, which are liquid within a tempera-ture range from -30°C to +10°C, but also water and solvents having perfluoroalkyl groups.  The liquid, in which a fluorine concentration between 0.5 x 10-3 and 1 x 10-2 mol/l is established by the introduction of fluorine diluted with inert gas, is used to treat the articles for about 20 seconds to 30 minutes; the fluorine can be activated if desired.  The liquid can additionally contain sulfur dioxide, oxygen, carbon monoxide, chlorine, bromine, or mixtures thereof.
Patent CA-1232177-A (CA)
Inventor: DOWNEY JOHN H
IPC: A45D6/00
Filed: 1983-12-12
Granted: 1988-02-02
Abstract: ABSTRACT OF THE DISCLOSURE           A hair grooming device such as a comb, a heated hair styler or a curler having a moisture sensing device and an indicator, thereby allowing the user to control the dryness of the hair while styling or curling the hair.
Patent CA-1207232-A (CA)
Inventor: PETERS DAVID
IPC: A61K31/485
Filed: 1984-01-05
Granted: 1986-07-08
Abstract: ABSTRACT OF THE DISCLOSURE           The specification describes   a medicament adsorbate composition containing magnesium trisilicate and in particular to a medicament adsorbate which employs a magnesium trisilicate having a surface area of at least 400 m2/g with a surface structure having multiple interstitial-flaked spaces.
Patent CA-1211696-A (CA)
Inventor: SCRIVER RICHARD M
IPC: C08L67/00
Filed: 1984-03-01
Granted: 1986-09-23
Abstract: Abstract of the Disclosure PNEUMATIC TIRE WITH BELT REINFORCEMENT      Pneumatic tire 1 having circumferential fabric-reinforced rubber belt 5 positioned between its tread 2 and carcass 4 where the rubber 8 of the belt is comprised of medium vinyl polybutadiene, cis 1,4-polyisoprene and optionally, cis 1,4-polybuta-diene.  The invention is particularly directed to such tire where the medium vinyl polybutadiene rubber of said belt is a copolymer of 1,3-butadiene and a small amount of divinyl benzene.
Patent CA-1215432-A (CA)
Inventor: ALMGREN PER H I
IPC: F21S8/00
Filed: 1984-03-22
Granted: 1986-12-16
Abstract: ABSTRACT: Illuminating arrangement in microwave ovens.     An arrangement for illuminating the interior of a microwave oven cavity comprises a lamp (21) mounted in a lamp holder (19, 20) which is disposed outside the oven cavity behind a window in a cavity wall (10). The lamp holder (19, 20) is arranged axially within an elec-trically conductive sleeve (12) mounted on the outside of the cavity wall (10) and connected to cavity wall parts surrounding an aperture (11) in the cavity wall bounding the window so that the lamp (21) is axially ar-ranged within the sleeve (12). The sleeve (12) constitut-es a waveguide having the aperture (11) as input and hav-ing a cut-off wavelength smaller than the operating wave-length of the microwave oven, and the mounted lamp (21) has its filament (22) at a sufficient distance (H) from the aperture (11) for leaking microwave energy reaching the filament (22) to have been considerably attenuated. Microwave energy leakage is thereby substantially pre-vented both if the lamp (21) is mounted and if the lamp (21) is absent. The lamp (21) is readily accessible from the interior of the cavity for replacement.
Patent CA-1218585-A (CA)
Inventor: ARAI TOHRU
IPC: C23C28/00
Filed: 1984-04-06
Granted: 1987-03-03
Abstract: ABSTRACT       A method is disclosed for providing the surface of a ferrous alloy article containing at least 0.2% by weight of carbon with a surface layer composed of the nitrocarbide of an element of Group Va of the periodic table and an inner ferrous alloy layer containing nitrogen located immediately below the surface layer.  The layers are formed by (a) nitriding the article surface and (b) a thermal diffusion treatment thereof with a treating agent containing the Group Va element.  The formation of the layers can be accomplished easily and rapidly without presenting any problems when the article is later hardened.   The invention includes articles made by the above method.
Patent CA-1254337-A (CA)
Inventor: SANDIFORD BURTON B
IPC: C09K8/588
Filed: 1984-07-18
Granted: 1989-05-16
Abstract: GEL AND PROCESS FOR RETARDING FLUID FLOW             ABSTRACT    A gel-forming composition is provided comprising a first substance selected from the group consisting of a polyvinyl alcohol, a polyvinyl alcohol copolymer, and mixtures thereof, glutaraldehyde, and water, and which does not require a separately provided acidic catalyst to crosslink and form a gel.  The gel-forming composition is useful for retarding the flow of fluids in subterranean formations.  For example, a method is provided for retarding the flow of water in high permeability channels in an oil reservoir.  Such method is particularly useful in waterflood operations to increase the sweep efficiency of the oil recovery process. Since these gels have very good stability at elevated temperature they can be used in reservoirs having an average in situ temperature of 80°C or higher.
Patent CA-1245966-A (CA)
Inventor: GOMEZ ILDEFONSO L
IPC: B32B27/22
Filed: 1984-08-10
Granted: 1988-12-06
Abstract: 06-12-(1090)A        LAMINATES COMPRISING PLASTICIZED POLYVINYL   BUTYRAL INTERLAYERS      ABSTRACT In a polyvinyl butyral (PVB) sheet plasti-cized with a multiester of an alcohol having 2 to 4 hydroxyl groups and a C16 to C20 unsaturated fatty acid having a hydroxyl group attached to the acid molecule, which sheet does not craze polycarbonate or polyacrylate when in contact therewith, the addition of a synergistically effective amount of a monoester of a glycol and such C16 to C20 acid improves the low temperature penetration resistance and adhesion properties of such sheet without significant loss in its resistance to stress cracking polycarbonate or polyacrylate in a laminated glass assembly. In a further embodiment very low temperature impact delamination of laminates containing adjacent layers of polycarbonate or polyacrylate and polyvinyl butyral is overcome by a flexible, hydrophobic, adhesive coating of polyvinylidene chloride or urethane acrylate resin at the interface between the poly-carbonate or polyacrylate and the polyvinyl butyral.
Patent CA-1251893-A (CA)
Inventor: SAKAGAMI TERUO
IPC: B29C41/00
Filed: 1984-08-14
Granted: 1989-03-28
Abstract: ABSTRACT OF THE DISCLOSURE         A transparent film of a vinylidene fluoride copolymer, comprising a dry film of a vinylidene fluoride copolymer having a parallel light trans-mittance of 85 % or higher at a film thickness of 30 microns.  The transparent film is obtained by forming a mixture of a vinylidene fluoride copolymer having a specifically high molecular weight with a solvent into a film, preferably by casting, and evaporating off the solvent.
Patent CA-1234250-A (CA)
Inventor: FESMAN GERALD
IPC: C08K5/46
Filed: 1984-09-06
Granted: 1988-03-15
Abstract: POLYURETHANE FOAMS HAVING LOW     SCORCH DISCOLORATION            ABSTRACT OF THE INVENTION      Polyurethane foams prepared with halogenated phos-phoric acid flame retardant have low scorch and surface discoloration when prepared in the presence of a compo-sition containing phenothiazine, 4,4'-thio-bis-(6-tertiary butyl meta cresol), and organophosphite.
Patent CA-1204337-A (CA)
Inventor: LEE FRANCIS C
IPC: B41J2/205
Filed: 1984-10-15
Granted: 1986-05-13
Abstract: SPOT SIZE MODULATION USING MULTIPLE    PULSE RESONANCE DROP EJECTION             Abstract of the Disclosure An ink jet drop-on-demand printing system comprising an ink jet print head having an ink cavity supplied with a suitable  ink.  An electromechanical  transducer  is mounted in mechanical communication with the ink cavity, and a source of electrical signals is provided to selectively actuate the transducer to produce an ink drop of a selected size.  To produce ink drops of a selected size the source of electrical signals produces one or more electrical drive signals each separated by a fixed time delay which is short with respect to the drop-on-demand drop production rate.  Each electrical drive signal ejects a predetermined volume of ink and all the volumes of ink merge to form a single drop prior to the time the ink drops reach the print medium for printing.
Patent CA-1212620-A (CA)
Inventor: ANDERSON RICHARD N
IPC: E06B9/307
Filed: 1984-10-18
Granted: 1986-10-14
Abstract: A B S T R A C T       A tilter mechanism for a slatted blind where the mechanism has a worm gear rotatably mounted in a first mounting means and a toothed worm wheel rotatably mounted in a second mounting means and in normal meshing engagement with the worm gear. The toothed wheel has a consecutive series of teeth of lesser height than the remainder of the teeth.    Resilient means are provided with at least one of the mounting means to allow the wheel to move relatively away from the gear so that the gear may slip over the shortened teeth to act as a slip clutch.
Patent CA-1237255-A (CA)
Inventor: TUFTS WESLEY M
IPC: E03D11/11
Filed: 1984-12-03
Granted: 1988-05-31
Abstract: ABSTRACT OF THE DISCLOSURE        A toilet system comprising a bowl, a treating chamber, a trap connecting the bowl to the treating chamber, said trap containing a bypass to a waste pipe, a conductor connecting the treating chamber to the waste pipe, a hydraulic attrition member in the treating chamber for particulizing effluent delivered into the treating chamber, a worm pump in the treating chamber for evacuating effluent from the bowl into the treating chamber and discharging the treated effluent into the waste pipe, a valve connected to the bowl for supplying flush water thereto and control means operable to initiate operation of the pump followed by operation of the valve and stop the pump prior to closing of the valve and wherein, in the event the pump is disabled, discharge from the bowl can be effected through the bypass by delivery of fluid into the bowl.
Patent CA-1223085-A (CA)
Inventor: JOHNSON MORGAN
IPC: H05K3/30
Filed: 1984-12-13
Granted: 1987-06-16
Abstract: ABSTRACT      Electrical circuitry 32 is comprised of a plurality of layers 30, 100, each layer 30, 100 including one or more electrical pathways 36,  38, each layer 30, 100 also including insulation 34 for insulating at least part of one layer 30 from another layer 100.  The pathways 36, 38 comprise repeating patterns 40, 42. Each pathway 36, 38 of each layer 30, 100 can communicate with the pathways 36, 38 of the next adjacent layers 30, 100.  Some portions of the patterns 40, 42 which comprise the pathways 36, 38 of each layer 30, 100 can be at least partially aligned with some portion of the patterns 40, 42 of pathways 36, 38 of the other layers 30, 100.  Other portions of the pathways 36, 38 of the layers 30, 100 remain unaligned.  A pulse laser 134  can be used to sever unaligned portions of the pathways 36,  38 as appropriate to create the desired electrical circuitry 32. Components can be secured to the electrical circuitry as required.  Further, such circuitry can be used in the construction of the final metallization layers of chips such as gate arrays.
Patent CA-1230626-A (CA)
Inventor: FLICK ROBERT H
IPC: H01H71/10
Filed: 1985-01-23
Granted: 1987-12-22
Abstract: A molded  case  circuit  breaker  includes  a movable upper electrical contact having a base por-tion with a slot formed therein for  releasably re-ceiving a portion of an elongated spring biased lock-ing pin disposed in a rotatable cross bar of an oper-ating mechanism of the circuit breaker.   The locking pin  is  biased  in  the  slot  by  a  pair  of  tension springs secured to the cross bar, enabling the upper electrical contact to move in unison with the cross bar. Upon the occurrence of a high level short cir-cuit or  fault current of  sufficient magnitude,  the pin is displaced from the slot enabling the independ-ent  rotational  movement  of  the  upper  contact  arm. During such   movement,  an elongated leaf  spring  is downwardly deflected and  then released  by  the  base portion.   Subsequently, the upper electrical contact is  prevented  from  contacting  the  lower  electrical contact by the engagement of the leaf spring with the base  portion.   A subsequent  trip operation of  the operating mechanism removes  the latching  feature of the leaf spring.
Patent CA-1227357-A (CA)
Inventor: LUOMA GREGORY A
IPC: G01N27/00
Filed: 1985-02-12
Granted: 1987-09-29
Abstract: ABSTRACT OF THE DISCLOSURE           A method of determining the concentration of a vapour in a gaseous fluid comprises the steps of passing a sample of the fluid through a channel having a crystal oscillator therein coated with a substance which absorbs the vapour, monitoring the deviation of the frequency of the oscillator from a base-line frequency representative of a fluid sample having a zero concentration of the vapour and converting the frequency deviation, if any, to a numerical value indicative of the concentration of the vapour in the fluid.
Patent CA-1265318-A (CA)
Inventor: SAUER HARALD
IPC: C01F7/50
Filed: 1985-02-15
Granted: 1990-02-06
Abstract: ABSTRACT OF THE DISCLOSURE           Producing  aluminum  fluoride  from aluminum hydroxide or alumina hydrate and hydrogen fluoride yields a highly concentrated product and an exhaust gas having a low hydrogen fluoride content when an initial isoling step is introduced.   In  the process,  partly reacted aluminum hydroxide circulated in a cooling cycle is added to fresh aluminum hydroxide or alumina hydrate in a first stage, in which the aluminum hydroxide is contacted with the hydrogen floride-containing exhaust gases from the circulating fluidized bed system so as to form a gas-solids suspension at a temperature of 150 to 250°C.  Thereafter, the solids are collected from the gas steam at least part of the collected solids are passed through a cooler, and cooled solids are re-contacted with fresh aluminum hydroxide or alumina hydrate.  a partial stream of the collected solids is supplied to the circulating fluidized bed system and is reacted therein at a temperature of at least 450°C, preferably of 500 to 600°C, with hydrogen fluoride supplied in the form of a gas in a concentration up to 25 vol. % .
Patent CA-1241324-A (CA)
Inventor: ARISTOFF PAUL A
IPC: C07C405/00
Filed: 1985-02-20
Granted: 1988-08-30
Abstract: ABSTRACT     A compound of the formula   and intermediates useful in preparing same.
Patent CA-1271660-A (CA)
Inventor: DEMMER CHRISTOPHER G
IPC: H01L21/027
Filed: 1985-03-05
Granted: 1990-07-17
Abstract: Case 3-14785/1+2/=/ARL 346 PROCESS FOR THE PRODUCTION OF IMAGES     ABSTRACT     A positive photoresist is electrodeposited onto a substrate, exposed to actinic radiation in a predetermined pattern, and then exposed areas are removed by contact with a developer.      When the substrate is a metal-faced laminate, the exposed metal surface may be etched and the residual electrodeposited layer removed by contact with a suitable solvent, optionally after a second, general, exposure to actinic radiation.      Suitable electrodepositable positive photoresists include o-nitrocarbinol esters and o-nitrophenyl acetals, their polyesters and end-capped derivatives  and quinone diazide sulphonyl esters of phenolic novolaks,having salt-forming groups in the molecule, especially carboxylic acid and amine groups.      The process is suitable for the production of printing plates and printed circuits, especially circuits on both sides of a laminate sheet linked conductively through metal-lined holes in the sheet.
Patent CA-1239599-A (CA)
Inventor: KRANTZ ANDERS
IPC: B01D46/04
Filed: 1985-03-06
Granted: 1988-07-26
Abstract: ABSTRACT A filter comprises a filtering wall (2) which has a front face and a rear face and which is nor-mally permeated by a medium in a direction from the front face towards the rear face such that the pol-lutants entrained by the medium are separated at the front face of the filtering wall and the purified medium is allowed to pass through the wall and into a space behind the filtering wall, the flow of me-dium through said wall being reversible, if so desired, in order to remove said separated pollutants from the front face of the filtering wall so as to clean said wall. According to the invention, the front face of the filtering wall is provided with one or more elastic cover elements (9) which are movable relative to the filtering wall and adapted upon reversal of the flow of medium, by elastic deformation under the action of said flow, to be removed wholly or partly from the wall while working said separated, adhering pollutants in order to facilitate the removal thereof.
Patent CA-1253990-A (CA)
Inventor: STREUSAND MARIE J
IPC: C08K3/34
Filed: 1985-06-27
Granted: 1989-05-09
Abstract: SILICONE ELASTOMERS HAVING THERMALLY CONDUCTIVE PROPERTIES                    Abstract of the Disclosure Silicone elastomers having thermally conductive proper-ties which comprise an organopolysiloxane having Si-bonded aliphatically unsaturated groups, an organohydrogenpolysiloxane having Si-bonded hydrogen atoms, a catalyst capable of promoting the addition of Si-bonded hydrogen to Si-bonded aliphatically unsaturated groups and from about 30 to 95 percent by weight of filler, based on the weight of the composition, of which at least 10 percent by weight of the filler is silicon nitride particles.
Patent CA-1213385-A (CA)
Inventor: FILLIMAN PAUL D
IPC: H03J1/00
Filed: 1985-06-28
Granted: 1986-10-28
Abstract: ABSTRACT         In a tuning system for tuning a receiver to various channels, skip channel information is stored in a shift register memory.  A channel number counter counts clock pulses which also successively advance data through the shift register.  A tuning control signal to tune the receiver to the channel corresponding to the count is generated when the data shifted to the output of the shift register does not define the channel as a channel to be skipped.