baber/WOPTO huggingface dataset:
Patent CA-1090430-A (CA)
Inventor: HANAJIMA HIDEMITSU
IPC: G11B15/087
Filed: 1978-05-30
Granted: 1980-11-25
Abstract: DIGITAL SIGNAL SELECTIVE CIRCUIT                  ABSTRACT OF THE DISCLOSURE         A digital signal selective or detecting circuit which is responsive to a periodic input signal having a frequency within a specified range, such as an audio frequency used as a cueing signal in a VTR, only when the signal in such frequency range exists for a predetermined time; includes a clock pulse generator providing reference clock pulses, a first counting circuit counting the reference clock pulses whenever the periodic signal is present, a circuit proviaing a counting pulse whenever an operating characteristic of the periodic signal, such as the transition between its positive and negative portions, occurs at a time when the count. in the first counting circuit is between first and second predetermined  counts, and a second counting circuit counting each counting pulse and providing an output when the second counting circuit attains a predetermined count.  Preferably a Schmitt trigger  is employed for shaping the periodic input signal, and a JK bistable multivibrator is associated with the Schmitt trigger and the clock pulse generator for synchronizing the output of the Schmitt trigger with the reference clock pulses.
Patent CA-1178383-A (CA)
Inventor: DENNY ARTHUR F
IPC: C11D3/00
Filed: 1978-06-12
Granted: 1984-11-20
Abstract: SEQUESTERING OF Ca++ AND Mg++ IN AQUEOUS MEDIA USING ZEOLITE MIXTURES                      Abstract of Disclosure Mixtures of zeolite A and zeolite X containing about 40 to 70 weight per cent of each species are found to exhibit a synergistic effect in the sequestering by ion ex-change of calcium and magnesium ions in hard water.  These zeolite mixtures can be advantageously used in detergent com-positions as substitutes in part or in full for polyphosphate builders.     S P E C I F I C A T I O N
Patent CA-1099030-A (CA)
Inventor: MURAKAMI FUMIO
IPC: H05G1/66
Filed: 1978-06-15
Granted: 1981-04-07
Abstract: STORAGE CELL TYPE X-RAY APPARATUS                Abstract of the disclosure A storage cell type X-ray apparatus which uses a storage cell as its power source and which is arranged to be operative so that the dc voltage of the power source is converted to an ac voltage, and is elevated to a higher level, and the resulting voltage is applied to an X-ray tube, to cause this X-ray tube to emit X-rays.  This apparatus includes means for stabilizing the voltage to be applied to the X-ray tube.
Patent CA-1102462-A (CA)
Title: Coating composition for acceptor sheets in carbonless  copying
Inventor: RIECKE KURT
IPC: B41M5/155
Filed: 1978-07-12
Granted: 1981-06-02
Abstract: Abstract of the Disclosure Acceptor sheets for carbonless copying are prepared by coating a suitable substrate with an aqueous composition which, in addition to known dispersed acceptor materials, such as acid treated clays, contains at least one basic zinc salt substantially insoluble in water in an amount, as ZnO, of 2 to 50% by weight of the acceptor pigments on a dry basis, the com-position having a pH below 7.
Patent CA-1103040-A (CA)
Inventor: DUYVESTEYN WILLEM P C
IPC: C01G53/00
Filed: 1978-07-31
Granted: 1981-06-16
Abstract: ABSTRACT OF THE DISCLOSURE          Water-soluble alkali metal or ammonium com-pounds are added to slurries of nickeliferous oxide ores which are leached with sulfuric acid at tempera-tures between about 230° and about 300°C.  The alkali metal or ammonium compound additions improve the handling characteristics of the slurry, nickel recov-eries, settling rates and compaction rates and lower scaling rates.
Patent CA-1063167-A (CA)
Inventor: PIATKOWSKI PHILIP JR
IPC: H02P25/08
Filed: 1978-09-08
Granted: 1979-09-25
Abstract: CONTROL CIRCUIT FOR VARIABLE RELUCTANCE MOTOR                 ABSTRACT OF THE DISCLOSURE         A control circuit for a variable reluctance motor comprises a solid state switching device having its output circuit connected in series with the electrical winding of the motor.  A circuit is coupled to the motor winding and to the control electrode of the solid state switching device and senses the EMF induced in the motor winding resulting from residual magnetism while the motor is rotating and the switching device output is nonconductive.  The switching device output circuit is rendered conductive when the EMF attains a predetermined level.  The motor acts as its own position sensor.
Patent CA-1127234-A (CA)
Inventor: SHIRAKAWA MASAMI
IPC: H02P29/00
Filed: 1978-10-04
Granted: 1982-07-06
Abstract: ABSTRACT OF THE DISCLOSURE            A motor speed control circuit, for example, for the turntable drive motor of a phonograph record player, is of the type having a phase-locked loop including a frequency-divider with a dividing ratio which is changeable for altering the rotational speed of the motor, for example, so as to selectively establish turntable speeds of 45 rpm and 33 1/3 rpm, and has the gain of one of the components of the phase-locked loop, such as, the servo-amplifier, the loop filter or the phase comparator, varied in accordance with changes in the dividing ratio of the frequency-divider so that the loop gain of the phase-locked loop is maintained substantially constant regardless of the rotational speed of the motor.
Patent CA-1094159-A (CA)
Inventor: WONG GEORGE S K
IPC: G01R19/02
Filed: 1978-10-11
Granted: 1981-01-20
Abstract: TITLE                 PRECISION MEASURING AMPLIFIER                          INVENTOR                      George S.K. Wong ABSTRACT OF THE DISCLOSURE         The precision measuring amplifier includes one or more amplifiers, a number of fixed attenuators, a RMS detector and a logarithmic converter for converting the output of the RMS detector to a logarithmic value.          A number of fixed voltage sources each providing a voltage precisely related to the attenuation of a corresponding attenuator, are selectively coupled to a summing amplifier to which the logarithmic converter output is also connected.  The number of attenuators connected either manually or automatically into amplifier apparatus at one time is dependent on the input signal level, and for every attenuator connected into the amplifier apparatus, a voltage source is connected to the summing amplifier to provide an output signal proportional to the logarithm of the RMS value of the input signal.
Patent CA-1096576-A (CA)
Inventor: DEMUTH HARRY C
IPC: E04H7/30
Filed: 1979-01-12
Granted: 1981-03-03
Abstract: BULK STORAGE VESSELS Abstract of the Disclosure A bulk storage vessel of generally cylind-rical upstanding shape is formed with a plurality of wall segments which are assembled together in end to end relation to form subassemblies of circular shape which are interconnected along upper and lower edges to provide a cylindrical vessel.  Each wall segment in-cludes a curved wall of generally rectangular shape having a flange along upper and lower edges and a vertical end flange at one end.  The upper edge flange includes an outwardly extending horizontal flange section and a downturned vertical flange section and along the lower edge, a flange includes an outwardly extending horizontal flange section, a downturned vertical flange section and an inwardly extending flange section which is deflectable for interlocking engagement with the upper edge flange of an adjacent lower subassembly.          A first subassembly of wall segments is assembled at ground level and is then elevated to a height sufficient to clear the wall segments of a next subassembly which are positioned therebelow during assembly.  Wall segments of the next subassembly are interconnected with the lower flange of the first sub-assembly and the wall segments are supported by this flanged interconnection while the lower or second wall segments are being assembled end to end.  The intercon-nected flanges of the two subassemblies are crimped together externally of the vessel.
Patent CA-1103541-A (CA)
Inventor: GNEITING DERRELL A
IPC: F24B7/04
Filed: 1979-01-22
Granted: 1981-06-23
Abstract: ABSTRACT An inner shell is incorporated within an outer shell and is of smaller dimensions to provide side spaces for the upward flow of heat, a top space communicating with an outlet, and a rear space having a V-shaped baffle therein causing upward flow of heat in the rearward area to be circulated and slowed for increased heating efficiency. An extension is attachable to the baffle for extending it upwardly and forwardly to control the flow of heat at the baffle. The inner shell has an imperforate tray extending from side to side and arranged to be moved forwardly through an opening in the inner shell and providing a natural forced flow of heat around it from the bottom for heating room areas.
Patent CA-1117636-A (CA)
Inventor: FUKUDA TAKEO
IPC: H04M19/00
Filed: 1979-04-11
Granted: 1982-02-02
Abstract: Abstract of the Disclosure A telephone exchange comprises a plurality of central office trunk circuits, a plurality of line circuits, a plurality of switching circuits coupled to transmission paths of the trunk and line circuits, a plurality of switching circuits coupled to the reception paths of the trunk and line circuits, a variable attenuator having one end coupled commonly to the switching circuits that are coupled to the transmission paths, a conference circuit coupled to the variable attenuator and the switching circuits that are coupled to the reception paths, a control circuit which controls both groups of switch-ing circuits and the variable attenuator in time-sharing fashion thereby to provide speech paths in time-sharing fashion between selected ones of the central office trunk circuits and line circuits and which controls in time-sharing fashion the attenuation factor of the variable attenuator for each speech path established.  The telephone exchange further comprises another variable attenuator which is coupled between the conference circuit and the switching circuits coupled to the reception paths and whose attenuation factor is controlled by the control circuit in time-sharing fashion.
Patent CA-1121877-A (CA)
Inventor: CARP RALPH W
IPC: F02D41/26
Filed: 1979-04-26
Granted: 1982-04-13
Abstract: ENERGY DISSIPATION CIRCUIT FOR    ELECTROMAGNETIC INJECTION            ABSTRACT         An electronic control unit for regulating the air/fuel ratio of an internal combustion engine is dis-closed.  The electronic control unit includes an injector driver circuit which regulates the timing of the opening and closing operations of a plurality of electromagnetic solenoid injectors which input fuel to the engine.  The injector  driver circuit controls  the  injection with a pulse width modulated signal to supply an amount of fuel calculated from the operating parameters of the engine. The injector driver circuit is further provided with an energy dissipation circuit to assist in the rapid de-ener-gization of the solenoid injectors.  The energy dissipa-tion circuit drains the energy stored in the rapidly col-lapsing magnetic field of a de-energized injector through a power device whose energy dissipation is controlled by the breakdown voltage of a Zener diode connected to the control terminal of the power device.  The power device provides a variable conductance which dissipates an amount of energy proportional to the gain of the device times the amount of energy dissipated through the Zener diode.  Pre-ferably, the power device can be a final driver transistor used by the injector driver circuit to open and close the injectors.
Patent CA-1103415-A (CA)
Inventor: BECKA MICHAEL M
IPC: A43D23/02
Filed: 1979-04-30
Granted: 1981-06-23
Abstract: ABSTRACT OF THE DISCLOSURE    A pulling over mechanism having pincers (24) for gripping the margin (98) of an upper (94) mounted on a last (92) for stretching the upper (94) about the last (92) pursuant to relative heightwise movement of the last (92) with respect to the pincers (24).  A motor (18) is actuable to move the pincers heightwise and a handle (48) is so connected to the pincers (24) as to lower the pincers (24) in response to movement of the handle (48) and to thereafter be disconnected from the pincers (24),
Patent CA-1106928-A (CA)
Title: Connector for flat ribbon cable
Inventor: HATCH DAVID A
IPC: H01R4/24
Filed: 1979-05-02
Granted: 1981-08-11
Abstract: ABSTRACT OF THE DISCLOSURE    A connector for terminating flat ribbon cable composed of flexible electrical insulation and retaining a plurality of electrically isolated, parallel conductors.  The connector in-cludes a housing that defines a slot for receiving an end of a flat ribbon cable to be terminated and comprises a base that defines a row of contact receptacles extending transversely to the slot and aligned with individual conductors in the cable.          Also comprising the housing is a cover adapted for mating en-gagement with the base and defining catch wall portions extend-ing transversely to the cable slot.  Retained by each of the receptacles is a contact having a head portion having cutting edges shaped and arranged to receive and penetrate the insula-tion surrounding a different conductor in the cable and to make electrical contact therewith.  The contacts also include latch portions for engaging and fastening the cover of the housing to the base.  Included in each latching portion is a tab extending substantially longitudinally of the slot and parallel to the cable conductors and arranged to engage the catch wall portion of the cover.  Also, the latching and catch wall portions are shaped and arranged such that the forces produced in response to engagement therebetween are oriented so as to have substan-tially no tendency to cause relative movement between the cutting edges.
Patent CA-1130375-A (CA)
Inventor: SUGALSKI RAYMOND K
IPC: H01M10/46
Filed: 1979-05-17
Granted: 1982-08-24
Abstract: ABSTRACT OF THE DISCLOSURE        A one-piece molded plastic body of a battery charger adapter has two plate-like portions interconnected at one pair of associated edges by an integral hinge, and at the remaining pairs of associated edges by ultrasonic welds. The portions have molded-in pockets for receiving a diode and a resistor.
Patent CA-1124589-A (CA)
Title: Protective coating for porous  refractories
Inventor: FREDRIKSSON JOHN I
IPC: C04B41/87
Filed: 1979-06-08
Granted: 1982-06-01
Abstract: ABSTRACT         Porous refractory articles resistant to degra-dation at high temperatures for example by oxygen, chlorine and the like, are composed of a main body of a porous sin-tered carbide, nitride, boride or silicide which is coated with silicon nitride or silicon oxynitride.  The coating is not only on the surface of the main boyd of the porous refractory article, but also penetrates the article to a depth at least greater than the depth of the surface pores.
Patent CA-1110804-A (CA)
Inventor: ZOUMUT HANI F
IPC: B44C7/00
Filed: 1979-06-19
Granted: 1981-10-20
Abstract: ABSTRACT     This invention relates to an effervescent composition useful for making  a holding adhesive, especially a wall covering adhesive. The composition comprises a water-soluble polymeric adhesive base and a compatible effervescent source.
Patent CA-1156226-A (CA)
Inventor: BARTMANN WILHELM
IPC: C07F9/54
Filed: 1979-07-06
Granted: 1983-11-01
Abstract: NOVEL PROSTAGLANDIN DERIVATIVES                 OF THE .DELTA. 2,4-11-DEOXY-PEG SERIES                 Abstract of the Disclosure:      The present invention relates to novel prostaglandin deri-vatives of the formula I                         I     which are structurally related to the naturally occurring prostaglandins and in which R1 denotes a) hydrogen or a straight-chain or branched, saturated or unsaturated alipha-tic or cycloaliphatic hydrocarbon radical having up to ten carbon atoms or b) a physiologically acceptable metal or NH4 ion or an ammonium ion which is derived from a primary, se-condary or tertiary amine and R2 denotes a straight-chain, aliphatic hydrocarbon radical having up to six carbon atoms and to a process for their manufacture.    The compounds of the invention are distinguished in par-ticular by gastric acid secretion-inhibiting and ulcer-pro-tective properties.
Patent CA-1139521-A (CA)
Inventor: UZAKI NAGATO
IPC: B22C15/28
Filed: 1979-07-25
Granted: 1983-01-18
Abstract: ABSTRACT OF THE DISCLOSURE         A molding apparatus having a pattern plate provided with vent through bores, a mold flask adapted to be placed on the pattern plate, an up-set frame adapted to be carried by the mold flask, a cover plate covering the upper end opening of the up-set frame, a squeeze plate disposed in the cover and movable into the up-set frame, and compressed air supplying means adapted to introduce compressed air into the space in the mold flask.  After filling the space in the mold flask with the molding sand, the compressed air is introduced into the space in the mold flask by means of the compressed air supplying means.  The air flows through the molding sand toward the vent through bores formed in the pattern plate so that the molding sand particles are packed and consolidated in the area around the vent through bores.  Then, a squeezing is effected on the molding sand by mechanically or pneumatically depressing the squeeze plate so as to form a mold having sufficient molding condition and even compactness, without necessitat-ing molting action which has been indispensable in the conventional molding apparatus.
Patent CA-1124479-A (CA)
Title: Vapor polisher for plastic surfaces
Inventor: SIMMONDS MILO R
IPC: B05B1/24
Filed: 1979-08-16
Granted: 1982-06-01
Abstract: VAPOR POLISHER FOR PLASTIC SURFACES                    ABSTRACT OF THE INVENTION      An apparatus for vapor polishing a plastic surface.       The body of the apparatus defines a chamber having an opening to the external environment.  A container is attached to the apparatus body in fluid communication with the chamber therein.  The container holds plastic solvent and a heater for vaporizing solvent which enters the chamber from the container is disposed in the chamber thus causing the resulting vapor to pass through the opening to the plastic surface.
Patent CA-1080104-A (CA)
Inventor: RUSSELL GEORGE F
IPC: B30B5/06
Filed: 1979-09-06
Granted: 1980-06-24
Abstract: Applicant:     George F Russell Title:         Laminating Travelling Press ABSTRACT OF THE DISCLOSURE A laminating travelling press for laminating a pack of boards comprising presser means including two endless tread belts receiving a pack of boards there-between for moving the pack of boards lengthwise under pressure along a predetermined path.  The press sets adhesive by dielectric heating, and the endless tread belts are constructed to minimize leakage of radio-frequency energy from the electrodes to grounded portions of the endless tread belts.
Patent CA-1137709-A (CA)
Inventor: SANDO YOSHIKAZU
IPC: D06B19/00
Filed: 1979-11-26
Granted: 1982-12-21
Abstract: S P E C I F I C A T I O N     Title of the Invention:            A METHOD AND AN APPARATUS FOR THE CONTINUOUS PRE-TREATMENT OF A CLOTH     Abstract of the Disclosure:          A method for the continuous pre-treatment of a cloth in the processing thereof comprising transporting a cloth continuously through the steps of impregnating the cloth with a liquid containing a treating agent, subjecting the cloth to the reaction with the said treating agent by the wet heat treatment under a high temperature and high pressure water vapor at a temperature above 100°C and washing the thus treated cloth in succession with no need of piling the cloth in each of the said steps. An apparstus therefor comprises a liquid tank, one or more high pressure steamers and one or more washing tanks arranged in succession, in which each of the said liquid tank, high pressure steamers and washing tanks has no cloth piler, difference in height between the cloth inlet level and cloth outlet level of each of the said three ingredients is not larger than 3 m, and entirely no cloth guider is provided in the apparatus. The said liquid tank, high pressure steamers and washing tanks are desirably provided respectively with a plurality of guide rolls to guide the cloth zigzag therethrough.
Patent CA-1126104-A (CA)
Title: Apparatus for stranding multi-layer  cable
Inventor: YAMADA MINORU
IPC: D07B3/04
Filed: 1980-01-09
Granted: 1982-06-22
Abstract: ABSTRACT     APPARATUS FOR STRANDING MULTI-LAYER CABLE          An apparatus for stranding an outer layer of wires on an inner layer cable core is disclosed.  The apparatus comprises a tubular stranding machine comprising a rotating tube within which are stationary mounted on the same axis a series of cradles each supporting a spool of wire from which are paid-off the outer wires, means for guiding said outer wires along the outside wall of said tube towards a stran-ding die located at the front of the stranding machine, means for guiding a cable core originating from the back of the stranding machine along the outside wall of the tube, and a wire straightener stationary mounted at the front of the stranding machine ahead of the stranding die and through which is passed the cable core to eliminate the waveness of the cable core due to rotation during traveling along the outside wall of the tube.
Patent CA-1139451-A (CA)
Inventor: DOUGLAS ROBERT H
IPC: G06F15/16
Filed: 1980-02-11
Granted: 1983-01-11
Abstract: Case 04-4181-U.S.                           APPLICATION OF             ROBERT H. DOUGLAS AND THOMAS L. PHINNEY          VIRTUAL CACHE     ABSTRACT     A computer system includes a main memory and a cache memory arrangement, wherein a cache memory unit is associated with each of the several CPU's in the system.          Each cache responds to the virtual address signals issued by the associated CPU, In parallel with a mapper unit which, in turn, converts the virtual address signals to physical address signals for addressing the main memory.          The cache is subdivided into subunits each responding to a particular program of a multiprogram CPU.  When any of the CPUs address a shared portion of the main memory, the mapper unit recognizes the address of the shared portion of the main memory and issues an inhibit signal to inhibit the operation of the cache memory unit to prevent data from the shared portion of the main memory from being stored in the cache.
Patent CA-1154206-A (CA)
Inventor: CLINT JOHN H
IPC: D06M13/46
Filed: 1980-04-18
Granted: 1983-09-27
Abstract: ABSTRACT       A fabric softening composition comprises a water-insoluble cationic fabric softener, a water-soluble cationic or nonionic surfactant and a hydrophobic adjunct which is either a non-cyclic hydrocarbon or a fatty acid ester of a monohydric alcohol.  The composition is in the form of a dispersion of anisotropic softener phase in an isotropic aqueous surfactant solution phase.  The composition has improved softening effectiveness combined with good phase stability and low viscosity.
Patent CA-1119078-A (CA)
Inventor: GIBSON DUANE M
IPC: B23D63/16
Filed: 1980-04-21
Granted: 1982-03-02
Abstract: ABSTRACT OF THE DISCLOSURE A completely outside sharpenable saw chain of the chisel type has top plate portions sharpened on their tops and side cutter portions sharpened on their outer sides.  The chain has allochiral cutter teeth each having a top plate portion sloping rearwardly and downwardly and joined along one side edge to a side slitter plate portion sloping rearwardly and inwardly, a bent over shank portion, a body portion and a depth gauge portion, the top plate portion, the side slitter plate portion and the shank portion being generally C-shaped.  The top plate portion has at its top a sharpening surface forming a top cutting edge which joins a corner chisel point from which extends downward-ly and rearwardly a side slitting edge formed by a side plate sharpening sur-face lying in a plane parallel to the centerline of the saw chain.  The bottom face of the top plate portion and the inner face of the side slitter plate por-tion each has a layer of chromium thereon.