baber/WOPTO huggingface dataset:
Patent CA-1170578-A (CA)
Inventor: VLAHOS PETRO
IPC: H04N9/75
Filed: 1981-11-27
Granted: 1984-07-10
Abstract: IMPROVED COMPREHENSIVE ELECTRONIC COMPOSITING SYSTEM      Abstract of the Disclosure The linear foreground and background comprising system of  the  "blue-screen"  type  and  as  includes  in  ?y prior  U.  S.  Patent  No.  4,100,569  is  provided  with non-linear  background  control  signals  for  improved composite   picture   quality   under   various   adverse circumstances.    More  particularly,  the  problem  of footprints,  scuff marks,  and  dust  on  the  "blue-screen" background for the foreground signal has been eliminated by a "clean-up" circuit which shifts the background signal to "fully on" when it reaches a level in the vicinity of 80 or 90 percent "on", and making a concurrent reduction in the foreground  signals,  so  that  above  the  selected  control level shadows or semi-transparency objects are made fully transparent  and  are  not  reproduced.   The  problem of "print-through"  in the case of glossy black objects has been avoided by reducing the background signal to zero when the  level  of  blue  foreground  signals  drops  below  a predetermined level.   The problem of shadow inversion and high noise level which may arise when forground objects are subject to back lighting has been solved by the use of a dual control signal, one operating in the blue backing area, and  the second operating  in the subject area.   An improved signal control  for  increasing or  decreasing  the intensity of shadows provides a continuously variable shadow  control  for  bowing  the  background  signal  level characteristic,  either  upward or downward  throughout  its complete control range.  Special circuitry is also provided for accommodating black background, or white backgrounds, so  that  special  effects  involving  black backgrounds  or foreground cartoon pictures having white background may be easily handled.
Patent CA-1174895-A (CA)
Inventor: STOCK KARL-WILHELM
IPC: A23L21/25
Filed: 1981-12-04
Granted: 1984-09-25
Abstract: RMGmbH-1080 FILLING FOR NUTRIENT BARS                 Abstract of the Invention Filling with water-containing raw materials for nutrient bars with covering sheets made of waffles or the like with vegetable fibrous material especially wheat bran added to the water-containing raw materials and the moisture content of the filling amounts to 5 to 20 percent by weight.  The addition of non-water-containing raw materials like oil seed products, such as hazel nut marrow, is possible.
Patent CA-1162751-A (CA)
Inventor: KOEHLER KLAUS
IPC: E02D29/12
Filed: 1981-12-22
Granted: 1984-02-28
Abstract: Abstract of the Disclosure A cable manhole structure comprises a composite top part and a composite base  part. In each of said parts, the parting lines extend into the surface in which the top and base parts contact each other. The parting line in the base part and in the top part extend in different parallel cross-sectional planes of the manhole structure and/or extend in different directions. The abutting surfaces of the adjacent sections are formed with grooves, which contain tubular struts for aligning.          Adjacent sections of a part are connected by connecting means.
Patent CA-1182837-A (CA)
Inventor: PALLOS FERENC M
IPC: A01N37/46
Filed: 1982-01-04
Granted: 1985-02-19
Abstract: Abstract of the Disclosure N-haloalkyl thiobenzanilide compounds having the formula   in which R is hydrogen, C1-C5 alkyl, preferably C1-C3 alkyl, C1-C3 haloalkyl, preferably -CF3, halogen including -F, -Cl, -Br, and -I, -NC2, C1-C2 alkoxy, R1 is -H or -C?N, X and Y are either -Cl or -F but not indentical when R1 is H and X and Y are -Cl when R1 is -C?N, and their use as fungicides.
Patent CA-1223842-A (CA)
Inventor: BISSOT THOMAS C
IPC: C08J5/22
Filed: 1982-01-14
Granted: 1987-07-07
Abstract: ABSTRACT OF THE DISCLOSURE An ion exchange membrane which comprises a layer of fluorinated polymer which has carboxylic functional groups, a layer of fluorinated polymer which has sulfonic  functional groups as a surface layer, and a web of support material therein, and which has channels extending from window areas of the membrane to blind areas of the membrane occluded by members of the support material, is described. Precursor membrane which contains both reinforcement members and sacrificial members, and from which the ion exchange membrane is made, is also described. The ion exchange membrane can be used to separate the compartments of a chloralkali cell, and such a cell operates at low voltage, high current efficiency, and low power consumption.
Patent CA-1175106-A (CA)
Inventor: KUCKES ARTHUR F
IPC: G01V3/26
Filed: 1982-01-20
Granted: 1984-09-25
Abstract: METHOD AND APPARATUS FOR EXTENDED LATERAL RANGE ELECTRICAL CONDUCTIVITY LOGGING            Abstract of the Disclosure A method of well logging in petroleum exploration and apparatus for use in the method is described.  An improved magnetometer is disposed in a well bore to provide indications of the distribution, filimentation, and distortion of a con-trolled current flow within adjoining strata of interest.  The current flow is excited by a distant alternating source located at the surface or at other boreholes, and perturbations in the current flow and accompanying magnetic field caused by the electrical characteristics of the adjoining strata are regis-tered by the magnetometer.        The magnetometer comprises two pairs of elongated U-shaped cores of laminated, high-permeability metal, adjacent portions of each pair being surrounded by a sensing coil.  The coil outputs are fed to surface equipment for detection and analysis.
Patent CA-1155936-A (CA)
Inventor: HERSHBERGER DAVID L
IPC: H04H20/49
Filed: 1982-02-05
Granted: 1983-10-25
Abstract: ABSTRACT         A compatible AM stereo system employing a modified quadrature modulation scheme where the gain in the quadrature-phased channel, and thus the phase angle between the L and R modulated phase components of the composite modulated signal, is dynamically varied in accordance with changing modulation conditions.  The average phase angle between the L and R modulated phase components is much greater than was previously possible in fixed gain systems, thus signal-to-noise ratio (SNR) in stereo-phonic receivers is improved.  In the transmitter (Figures 3, 7A and 7B), a matrix circuit (40, 188) adds and substracts L and R audio signals to produce sum (L+R) and difference (L-R) signals.          An analog divider (54; 194, 200) adjusts the gain of the (L-R) signal in accordance with a gain control signal AQ.  The (L+R) and gain adjuster (L-R) signals are transmitted on two quadrature-phased carriers by a quadrature AM (QAM) transmitter (50, 160).          A distortion estimator (56, 190, Figures 5A and 5B) calculates the amount of distortion which the envelope of the composite modulated signal will produce in a conventional monophonic receiver and dynamically adjusts the gain control signal AQ to maximize gain without exceeding predetermined distortion constraints.  A circuit (60, 210, Figures 9 and 10) generates a pilot signal and modulates it with the dynamically varying gain control.  This pilot signal is added to, and thus transmitted with, the gain adjusted (L-R) signal.  In one transmitter embodi-ment (Figures 7A and 7B), a circuit (156, Figure 8) is provided for compressing low amplitude audio signals so as to further improve SNR.  A signal indicative of the amounts of compression is also modulated onto the pilot signal, and thus transmitted to the receiver.  A filter network (154) provides a gap in the low frequency portion of the (L-R) signal into which the pilot signal may be inserted, and processes the (L+R) and (L-R) signals so that no loss in bass occurs as a result of this filtering.          Stereophonic receivers (Figures 11-13) are disclosed which demodulate the pilot signal and control the gain of the recovered (L+R) and (L-R) signals in accordance therewith so as to track the varying phase angle and signal compression of the composite modulated signal, and thus optimally recover the L and R audio signals in their original form.  The system may easily be converted into an improved independent sideband (ISB) system by the insertion of appropriate phase delays in the (L+R) and (L-R) signal paths.
Patent CA-1177516-A (CA)
Title: Ink jet printing machine
Inventor: SULTAN S BERTIL
IPC: B41J2/145
Filed: 1982-03-03
Granted: 1984-11-06
Abstract: ABSTRACT OF THE DISCLOSURE An ink jet printing machine in which adjacent nozzles are isolated from one another to prevent energization of a nozzle other than a selected nozzle.
Patent CA-1168808-A (CA)
Inventor: SCHULTZ JOHN C
IPC: B60B33/00
Filed: 1982-03-31
Granted: 1984-06-12
Abstract: ABSTRACT            A viscous rotary damper adapted to attenuate shimmy of a rotary member such as a caster relative to an associated member such as a wheelchair leg, comprises a pair of relatively rotatable annular portions having means for respective attachment to the members.  The damper portions have annular cooperative working surfaces of substantial length defining therebetween a shear film space gap working chamber which is closed at opposite ends by dynamic seals and has a viscous damping medium substan-tially filling the working chamber gap and providing viscous shear coupling yieldably resisting relative rotary movements of the working surfaces.  The damper is adapted to be in a miniaturized form comprising a stator ring and a rotor housing, the stator ring being arranged to be keyed to one of relatively rotary members and the rotor being arranged to be keyed to the other of relative-ly rotary members.
Patent CA-1179201-A (CA)
Inventor: BATESON NORMAN E
IPC: B61D39/00
Filed: 1982-03-31
Granted: 1984-12-11
Abstract: SINGLE LEVER HATCH COVER                            Abstract A hatch cover opening and closing assembly which includes a hat member rockably secured to the hatch at about its center, the hatch cover being pivotably secured to the railway car coaming through the hat member at one end and the other end of the hat member being adapted to coact with a locking assembly that locks the hatch in closed, sealed, position either by means of a cam or crank acting mechanism.
Patent CA-1187742-A (CA)
Inventor: NAKANISHI MOTOYASU
IPC: B41F16/00
Filed: 1982-08-18
Granted: 1985-05-28
Abstract: ABSTRACT           A printing apparatus for transcribing a desired pattern onto an article to be printed comprises a transcription tub which is open at an upper side thereof and contains a liquid, a liquid flowing means for causing the liquid in the transcription tub to flow at a fixed flow rate and in a pre-determined direction from one end to an opposite end of the transcription tub, a film supplying means arranged upstream of the transcription tub for supplying a transcription film having a transcription pattern printed on  a side thereof onto the surface of the liquid with the transcription pattern facing upwardly, and an article supplying means arranged above the transcription tub for immersing at least part of the article to be printed into the liquid while keeping the article in contact with the transcription pattern of the film.  The article supplying means is adapted to move the article to be printed into contact with the surface of the film in a slanted direction towards the downstream end of the transcription tub, to change over the direction of movement of the article in the liquid whereby to cause the film to closely adhere to the article and thereby transcribe the pattern thereonto, and to lift up the article slantly towards the downstream end to move the printed article out of the transcription tub.  The printing apparatus of the present invention is particularly adapted to carry out the continuous transcription of a pattern onto an article to be printed.
Patent CA-1196936-A (CA)
Inventor: TOSTI LUIGI
IPC: A61G5/02
Filed: 1982-09-22
Granted: 1985-11-19
Abstract: ABSTRACT OF THE DISCLOSURE     A hand-propelled chariot or vehicle is shown which is particularly useful for crippled individuals.  The chariot has a frame having a seat portion, a seat back and left and right side arms, and an extended front foot platform.  Rear wheels support the seat portion relatively close to the ground, and the height of the front foot platform is about half the height of the seat portion giving the chariot a low profile to facilitate mounting and dismounting by a crippled person.  Hand crank operated, chain and sprocket, direct drives are connected to each rear wheel to turn same in either direction.  Castors are mounted to support the front foot platform and permit the chariot to turn.  A friction brake is connected to the rear wheels to hold the chariot steady during mounting and dismounting.
Patent CA-1193919-A (CA)
Inventor: BOUCHETTE MICHAEL P
IPC: A47L13/16
Filed: 1982-10-04
Granted: 1985-09-24
Abstract: ABSTRACT OF THE INVENTION   A method of improving absorbency of air laid bonded fibrous webs and the products resulting therefrom, the preferred method comprising the step of imprinting at least one surface of the fibrous web between a pair of cylindrical rolls under a pressure of at least 100 pounds/lineal inch, the compacted area of each imprinted web surface being at least 40%, preferably at least 50%, of the total imprinted surface.  In the preferred embodiment of the method, the fibrous web is first wetted with water, the imprinting step then being conducted with imprinting means heated to about 140 to about 180°C.   The products obtained have densified zones underlying the compacted areas, the density thereof being at least 0.1 gm./cc., which zones enhance absorbency as compared to unimprinted webs by at least 25%.  The preferred webs provided by the method are imprinted with a grid-like pattern, said pattern preventing nesting of individual sheets in product rolls and containers.
Patent CA-1183425-A (CA)
Inventor: WESTVEER ROBERT C
IPC: F15B11/16
Filed: 1982-11-04
Granted: 1985-03-05
Abstract: ABSTRACT      A hydraulic control system for regulating the distribution of fluid from a variable displacement pump to a plurality of fluid actuated devices is disclosed.  The control system includes at least first and second control valves, each of which valves regulates the flow of fluid to a fluid actuated device.  Each of the first and second control valves includes, respectively, a first means for developing a first pressure signal and a second means for developing a second pressure signal.  A selector means senses the first and second pressure signals and transmits a control pressure signal which is the smaller of the two pressure signals to a fluid actuated displacement control means which regulates the displacement of the pump in response to the magnitude of the control pressure signal.
Patent CA-1180529-A (CA)
Inventor: WILSON PRYCE
IPC: E04B7/18
Filed: 1982-11-19
Granted: 1985-01-08
Abstract: A B S T R A C T           Multi-wall devices embodying two or more spaced members arranged to provide an enclosed space therebetween for controlling the transmission of energy through the members fox the purpose of capturing, storing and releasing energy.
Patent CA-1183912-A (CA)
Inventor: YUM LAWRENCE H
IPC: H01P5/19
Filed: 1982-12-10
Granted: 1985-03-12
Abstract: ABSTRACT A high frequency stripline-type power divider/ combiner comprising a patterned metal layer having an input and two output strips, a dielectric substrate, and a resistive material layer interposed between the metal layer and substrate.  A portion of the resistive material layer defines a resistive bridge that extends between and resistively interconnects the output strips, thereby acting as a resistive load for the cancellation of reflected power output signals.  The patterned metal layer and resistive bridge are concurrently defined by standard photolithographic and etching techniques, thereby allowing the simple and accurate fabrication of an integral power divider/combiner.
Patent CA-1213918-A (CA)
Inventor: FLEMING DALE M PENNYWELL ROAD
IPC: A63B69/18
Filed: 1982-12-13
Granted: 1986-11-12
Abstract: ABSTRACT OF THE DISCLOSURE      An exercise apparatus primarily intended for downhill skiers includes a frame defined by a front bracket and ground engaging arms connected to such frame; a pair of support arms pivotally mounted on said bracket for rotation around first parallel, inclined axes; springs and turnbuckles connecting the arms to the frame for resiliently resisting swinging movement of the arms relative to the frame; and a pair of footrests mounted on the rear ends of the arms for rotation around axes parallel to the first axes, whereby the footrests remain aligned with the longitudinal axis of the apparatus.
Patent CA-1204430-A (CA)
Inventor: VALSAMIS LEFTERIS N
IPC: B29C48/50
Filed: 1982-12-29
Granted: 1986-05-13
Abstract: ABSTRACT OF THE DISCLOSURE      A multi-stage rotary processor particularly useful for processing plastic and polymeric materials.  The multi-stage rotary processor includes a rotatable element carrying a plurality of processing channels and a stationary element providing a coaxial closure surface cooperatively arranged with the channels to provide a plurality of enclosed processing passages.  Also associated with the stationary element are inlets, outlets and blocking members for each passage and arranged so that material fed to the passage can be dragged forward by the channel walls, and collected at the blocking member for discharge from a passage(s) of one stage to a passage of another.  The geometry of the passage receiving material is selected to provide optimum processing efficiency, resulting in a processing rate capability for that passage greater than the rate at which material is supplied to the passage. Adjustable material transfer rate control means are arranged near the inlet of the material receiving passage so that the processing rate of the passage can be adjusted for coordination with the rate at which material is supplied to the passage.
Patent CA-1198904-A (CA)
Title: Snow gun
Inventor: MANHART MICHAEL
IPC: B05B7/02
Filed: 1983-01-17
Granted: 1986-01-07
Abstract: ABSTRACT    The compressed air supply line of the snow gun passes through the center of the pressurized-water supply line.          The air line opens out into an interior space within the spray head, this space being bounded at the front end by a perforated end piece and serving as a pre-expansion chamber. For the purpose of saving on energy, the end piece has at least three centrosymmetrically disposed discharge openings.
Patent CA-1180590-A (CA)
Inventor: MOYER ROBERT C
IPC: F24F11/00
Filed: 1983-01-26
Granted: 1985-01-08
Abstract: VENTILATION CONTROL SYSTEM                           Abstract The unnecessary removal of heated or cooled room air by fume hoods is prevented during off-peak periods through a manual and automatic fume hood venti-lating system.  Ventilation (exhaust) air quantities are reduced in response to operator and/or automated pro-grammed control of the exhaust fan shaft speed.  The safety integrity of the fume hood system is improved by providing the operator with visual and audible dynamic feedback of the system operating status. Room air bal-ance is maintained through  subsequent reset of the room supply air coincident with exhaust air quantity adjust-ment.  Building make-up air balance is possible using individual instantaneous exhaust flow summary signals to control the outside air flow rate.
Patent CA-1248440-A (CA)
Inventor: GOZLAN ARMAND
IPC: C22B3/02
Filed: 1983-02-10
Granted: 1989-01-10
Abstract: ABSTRACT OF THE DISCLOSURE            A metal-refining process and a corresponding system characterized by being adapted to minimize the health hazard by appropriate purification of the gases or vapor products resulting from acid action on a metal compound. This is metal refining features the use of vacuum at a downstream point to regulate the admixing of air with the vapor products in the effluent and to draw activating air in the mixture of acid and metal compound at the upstream point.  This refining system includes gas outlet manifolds constructed and arranged to enhance the purification of the vapor products by comminuting the vapor products into small bubbles upwardly through a water tank.  Each manifold consists of a casing having a plurality of small gas outlet apertures, each communicating with a small tube which extends within the casing and has a bevelled end for self-cleaning of the tube.  These tubes prevent clogging of the apertures by solid particles in the gas flowing through the casing.
Patent CA-1219069-A (CA)
Inventor: TARLETON GEORGE K
IPC: H02H3/24
Filed: 1983-02-11
Granted: 1987-03-10
Abstract: TITLE LOW VOLTAGE PROTECTION CIRCUIT   ABSTRACT OF THE DISCLOSURE A low voltage protection which prevents an associated circuit from generating erroneous signals during power-up, power-down or power failure conditions. A voltage comparison circuit, powered by a first power supply, detects low voltage conditions in a second power supply and causes a switching circuit to inhibit control and power signals of the associated circuit.
Patent CA-1198576-A (CA)
Inventor: BIERMAN LAURENCE W
IPC: C22B60/02
Filed: 1983-02-16
Granted: 1985-12-31
Abstract: ABSTRACT OF THE DISCLOSURE           A process for reducing the valence state of ferrous and other ions present in phosphoric acid by heating  the acid  in  the presence of a pressurized reducing gas, preferably hydrogen.  The pressurized gas reduces the ions without an addition of metallic iron or other impurity.   This process is desirably used with processes  for  recovering  uranium  from wet process phosphoric acid, wherein ferric or uranyl ions in the phosphoric acid are reduced in a pressurized reducing gas.
Patent CA-1194483-A (CA)
Inventor: MATSUMOTO KAZUO
IPC: C07D413/04
Filed: 1983-02-22
Granted: 1985-10-01
Abstract: ABSTRACT OF THE DISCLOSURE             The invention provides furyloxazolylacetic acid derivatives of the formula:                      (I) wherein R1 is an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 5 or 6 carbon atoms, a phenyl group or a substituted phenyl group (said substituted phenyl substituted with one or two radicals selected from alkyl having 1 or 2 carbon atoms, alkoxy having 1 or 2 carbon atoms and halogen), and R2 is hydrogen or an alkyl group having 1 to 12 carbon atoms.  The compound (I) is useful as a hypolipidemic agent for the treatment or prevention of arteriosclerosis.
Patent CA-1180573-A (CA)
Inventor: ENTWISTLE STANLEY D
IPC: G01N19/08
Filed: 1983-03-08
Granted: 1985-01-08
Abstract: TESTING OF WIRE PRIOR TO PLATING          Abstract of the Disclosure In the plating of wires particularly gold plating of wire for terminal pins, obtaining a high quality fixed gold plate is a problem.  The invention provides for testing the wire prior to plating to detect surface irregularities which affect the quality of the plate.  A test length of wire has a length of tape wrapped spirally around, with at least an edge portion in contact with the wire.  The wire, and tape, is then twisted, in the direction of the spiral of the tape, in a direction to tighten the tape.  The tape is then unwound and the number of particles of wire material which have separated from the wire at defects adhere to the tape is counted.          For premium grade wire, less than 6 defects per foot is a standard.          Commercial grade wire, between 50 and 150 defects per foot is normal.     - i -
Patent CA-1215313-A (CA)
Title: Slide mechanism, in particular for an automobile  vehicle seat
Inventor: CHEVALIER CLAUDE
IPC: B60N2/90
Filed: 1983-03-14
Granted: 1986-12-16
Abstract: A SLIDE MECHANISM, IN PARTICULAR FOR AN          AUTOMOBILE VEHICLE       SEAT     ABSTRACT OF THE DISCLOSURE     The mechanism has two slides formed by section members 10, 20 having pairs of abutments 11-23, 14-22, which, at the end of the travel, cooperate through the medium of two balls 30 between which is disposed an elastically compressible device 40.  The balls are in this way protected against deterioration due to impacts.