baber/WOPTO huggingface dataset:
Patent CA-1292357-C (CA)
Title: Sun sensor
Inventor: TSUNO KATSUHIKO
IPC: G01S3/784
Filed: 1988-03-29
Granted: 1991-11-26
Abstract: Abstract of the Disclosure Sunlight passes through the light-transmission sec-tions of a periodic pattern reticle of a sun sensor, and light components thus divided at regular intervals are incident on the light-receiving surface of a photo-electric converting section.  The photoelectric con-verting section transfers charges stored in the light-receiving sections, in response to a pulse signal from a transfer pulse-generating section, to convert the light intensity distribution to a time series signal.  A reference phase signal-generating section generates a reference phase signal whose polarity is inverted at an interval corresponding to the width and interval of the light-transmission sections, based on the pulse signal from the transfer pulse generator. An error voltage-detecting section multiplies the reference phase signal by the time series signal, and integrates the result of multiplication to detect an error voltage corresponding to the phase difference between the two signals.  A sunlight incident-angle detecting section controls the phase-shift amount of the reference phase signal, based on the error voltage, so as to reduce the error voltage to "0".  At this time, the phase-shift amount of the reference phase signal has a predetermined relation with respect to the incident angle of the sunlight.
Patent CA-1282883-C (CA)
Inventor: LA SALLE ROGER J
IPC: H04M3/30
Filed: 1988-04-14
Granted: 1991-04-09
Abstract: ABSTRACT     Apparatus for remote disconnection and short-circuiting of a pair of conductors, such as those comprising a telephone line, consists of a switching unit and a probe unit.   The switching unit is capable of generating a tone and the tone may be sent down the pair of conductors, where the probe unit is used to identify the pair.  The probe unit is also able to send bursts of a signal along the pair, upon receipt of which the switching unit switches sequentially from a first mode (when the tone is applied to the conductors) to a second-mode (where the conductors are disconnected) to a third mode (where the conductors are short circuit).  The apparatus is useful in line fault location and telephone apparatus installation.   880411,!jcspe.008,teleabs.spe,
Patent CA-1332835-C (CA)
Title: Aliphatic carboxamides
Inventor: BROWN FREDERICK J
IPC: A61P29/00
Filed: 1988-04-15
Granted: 1994-11-01
Abstract: This invention provides a series of novel heterocyclic aliphatic carboxamides of formula I in which the group >Z-Y-X< is selected from >C=CH-N<, >N-CH=C<, >C=N-N< and >N-N=C< and the other radicals have the meanings defined in the following specifica-tion.  The compounds of formula I are leukotriene antagonists.  The invention also provides pharmaceuti-cally acceptable salts of the formula I compounds; pharmaceutical compositions containing the formula I compound, or their salts, for use in the treatment of, for example, allergic or inflammatory diseases, or endotoxic or traumatic shock conditions; and processes for the manufacture of the formula I compounds, as well as intermediates for use in such manufacture.                              I
Patent CA-1318894-C (CA)
Title: Reclosable carton
Inventor: BEUTE WILLEM
IPC: B65D5/02
Filed: 1988-06-03
Granted: 1993-06-08
Abstract: ABSTRACT      One end of a skillet style carton is closed by minor closure flaps (16,17) foldably attached to opposite side walls (3,4), an overlying inner major closure flap (11), preferably adhered to the minor closure flaps, and an outer major closure flap (13) overlying and adhered to the inner major closure flap (11).  The carton is opened by tearing to disconnect the inner major closure flap (11) from its respective wall (1) and a tuck flap (14), initially overlying the outside of the carton, is tucked inside the carton on re-closure.
Patent CA-1323793-C (CA)
Inventor: KALALA ROSE H
IPC: A23L1/304
Filed: 1988-07-12
Granted: 1993-11-02
Abstract: CALCIUM FORTIFIED FOOD PRODUCT   ABSTRACT OF THE DISCLOSURE A calcium fortified food product in the form of a  ready-to-serve  beverage,  a  frozen  concentrate  or  a reconstitutable dry drink mix is disclosed which provides between 10%-100% of the U.S. RDA of calcium per six fluid ounces, which has a pH of not more than about 4.5 and which has a Brix-acid ratio of about 5:1 to about 54:1.   The product has a pleasant fruity taste, no harsh off-notes, no effervescence and no bitter after-taste.
Patent CA-1340053-C (CA)
Title: Method of plasma enhanced silicon oxide deposition
Inventor: LOPATA EUGENE S
IPC: C23C16/40
Filed: 1988-07-14
Granted: 1998-09-22
Abstract: A method of depositing a hard silicon oxide based film is provided by controllably flowing a gas stream including an organosilicon compound into a plasma and depositing a silicon oxide onto a substrate while maintaining a pressure of less than about 100 microns during the depositing.  The organosilicon compound is preferably combined with oxygen and helium and at least a portion of the plasma is preferably magnetically confined adjacent  to a  substrate  during  the  depositing,  most preferably by an unbalanced magnetron.  These silicon oxide based films may be reproducibly deposited on small or large substrates, such as glass, plastic, mineral or metal, with preselected properties.
Patent CA-1331623-C (CA)
Title: Process for preparing 3-amino-1-benzylpyrrolidines
Inventor: KREBS ANDREAS
IPC: C07D207/14
Filed: 1988-09-30
Granted: 1994-08-23
Abstract: Process for preparing 3-amino-1-benzylpyrrolidines ABSTRACT OF THE DISCLOSURE          A process for preparing a 3-amino-1-benzyl-pyrrolidino of the formula    (I) in which R1 and R2 each independently is H or alkyl, and Ph is phenyl, comprising reacting a 1-benzyl-.DELTA.3-pyrroline-2,5-dione of the formula                (II) in which R3 and R4 each independently is H or alkyl, with a nitrogen nucleophile of the formula R5NH2                    (III) in which R5 is H, benzyl, naphthylmethyl or phenyl-CHR6, and R6 is C1-C6-alkyl or phenyl, to give an optionally substituted 3-amino-1-benzylpyrroli-dine 2,5-dione of the formula                (IV) and, if R5 ? H, the protecting group R5 is subsequently cleaved off to give a 3-amino-1-benzylpyrrolidine-2,5-dione of the formula                (IVa) and completely reducing the carbonyl groups to form the 3-amino-1-benzylpyrrolidine of the formula (I).
Patent CA-1310841-C (CA)
Inventor: FUKUZAWA SOOICHI
IPC: D06F37/14
Filed: 1988-10-07
Granted: 1992-12-01
Abstract: ABSTRACT OF THE DISCLOSURE         A washing/dehydrating machine performing a centrifugal dehydration by rotating a washing/dehydrating tub having a plurality of discharging ports in high speed comprises a plurality of protrusions protruded toward inwardly formed on an inner surface of the washing/ dehydrating tub.  A total volume of the protrusions is determined in a range of 3 to 6% of capacity of the washing/ dehydrating tub.  A water saturated region in washing is reduced by an amount of volume corresponding to the total volume of the protrusions.
Patent CA-1301353-C (CA)
Title: On-the-fly error correction
Inventor: JOHNSON BRUCE E
IPC: H03M13/00
Filed: 1988-11-25
Granted: 1992-05-19
Abstract: ABSTRACT OF THE DISCLOSURE      On-the-fly error correction is provided by using the remainder from division of the encoded codeword by its generator polynomial to look up error values and locations in a memory.  Alternatively, the syndromes are so employed. The values in the memory are predetermined and preassociated with each remainder or syndrome set.  Alternatively, syndrome S0 directly yields the error value.
Patent CA-1316372-C (CA)
Title: Drive system for automobiles
Inventor: NAKAYAMA HIROSHI
IPC: F16H57/00
Filed: 1988-12-09
Granted: 1993-04-20
Abstract: PATENT     ABSTRACT OF THE DISCLOSURE           A drive system for an automobile comprising an engine, a transmission coupled to an output end of the engine, and a final speed reduction gear unit coupled to the lateral side of the engine.         An output shaft of the transmission and an input shaft of the final speed reduction gear unit are positioned substantially coaxially with each other and coupled to each other through an axially aligned intermediate shaft through splines.         The intermediate shaft is axially movable with respect to output and input shafts and can be locked by a lock member in a position in which the splines of the three shafts are engaged.          By releasing the lock member the intermediate shaft is movable axially until the intermediate shaft disengages from either the output shaft or the input shaft.  For allowing separate removal of the transmission or the final speed reduction gear unit from the engine.
Patent CA-1292283-C (CA)
Inventor: KINDT STEFAN
IPC: G02F1/21
Filed: 1988-12-13
Granted: 1991-11-19
Abstract: ABSTRACT OF THE DISCLOSURE           A bidirectional light waveguide communications system comprising a light waveguide and a light source, preferably formed by  a  laser,  at  one end  of  a  light waveguide,  and having  a reflection  transmitter  at  the  other  end.    The  reflection transmitter is formed by an electrically controllable integrated optical Fabry-Perot resonator whose strip electrode is terminated by  two  partially  reflecting mirror  layers  and whose  control electrodes are charged with a transmission signal.   The opto-electrical transducer of the subscriber is positioned adjacent one of the partially reflecting mirrored  layers,  while the other partially reflecting mirrored layer is connected to the light waveguide.
Patent CA-1287887-C (CA)
Title: Speakerphone using digitally compressed audio to detect acoustic feedback
Inventor: POTRATZ BRYAN A
IPC: H04R3/04
Filed: 1989-02-06
Granted: 1991-08-20
Abstract: Abstract of the Disclosure A mobile radiotelephone (120) includes a microcomputer (220), speakerphone control circuitry (106) and mobile radio (112).  In the transmit voice path, speakerphone control circuitry (106) includes switch (201), variable gain amplifier (202), compressor amplifier (203), switch (204), variable gain amplifier (205), and two registers (212-213).  In the receive voice path, speakerphone control circuitry (106) includes variable gain amplifier (232), expander amplifier (233), switch (234), variable gain amplifier (235), switch (236) and two registers (216-217).  Speakerphone control circuitry (106) also includes rectifier/filter (224), a companding analog-to-digital (A/D) converter (225), two latches (218-219), rectifier/filter (226) and two registers (214-215).  Microcomputer (220) accesses registers (212-217) by means of a data bus (222) including address, control and data lines.  Microcomputer (220) utilizes digital samples from A/D converter (225) to dynamically detect acoustic feedback and to continuously generate and store in its memory an envelope signal and a valley signal for the transmit and receive voice paths for controlling voice path gain switching. In order to determine when to switch gain between the voice paths, microcomputer (220) compares the envelope signal to the valley signal to detect the presence of voice signals and, if the voice signals are detected for a pre-selected time, the gain of the path in which voice signals have been detected is increased and the gain of the other path is decreased.
Patent CA-1336707-C (CA)
Inventor: MUCCITELLI JOHN A
IPC: G01N27/30
Filed: 1989-04-18
Granted: 1995-08-15
Abstract: An electrode assembly and a method of electrically insulating the electrode assembly for in-situ measurement of electrolytic conductivity of boiler or other hot alkaline or neutral water, the electrode assembly comprising calcia/hafnia stabilized zirconia wherein the calcia is present from 3 to 10% by weight and the hafnia is present from 0.5 to 6% by weight.
Patent CA-1320786-C (CA)
Title: Method for the preparation of cross-linked polycarbonates, and compositions made therefrom
Inventor: FONTANA LUCA P
IPC: C08L87/00
Filed: 1989-05-18
Granted: 1993-07-27
Abstract: A NEW AND IMPROVED METHOD FOR THE PREPARATION OF   CROSS-LINKED POLYCARBONATES, AND COMPOSITIONS               MADE THEREFROM                        Abstract An improved method for the preparation of cross-linked polycarbonates is disclosed, comprising the reaction at elevated temperature of a composition containing cyclic carbonate oligomers with at least one polyglycidyl acrylate copolymer formed by the reaction of at least one olefin with a glycidyl acrylate monomer.  This invention also includes network polycarbonates wherein the carbonate chains are linked to each other via polyglycidyl acrylate copolymer groups.  Further included within the scope of this invention are prepreg compositions which comprise a filler and a mixture of cyclic carbonate oligomers with a polyglycidyl acrylate copolymer.
Patent CA-1328382-C (CA)
Inventor: ALLARDIN JEAN A
IPC: F15B11/036
Filed: 1989-06-22
Granted: 1994-04-12
Abstract: ABSTRACT OF THE DISCLOSURE:     A multi-stage air pressure cylinder is made of superpos-ed components tightly fastened together wherein additional stages can be added by superposing additional components. The two-stage cylinder comprises two end wall members each having a cylindrical recess fac-ing each other and divided by a fixed partition wall having a perfora-tion therethrough. The partition wall and the end wall members are tightly fastened together. The partition wall subdivides two compres-sion chambers. A piston is located in each compression chamber. One piston has a projection extending outside the cylinder and the other is adapted to exert a mechanical pressure on the first one while fluid pressure is exerted on both pistons.
Patent CA-1327056-C (CA)
Title: Pneumatic door operator
Inventor: AQUILINA ANTHONY G
IPC: E05F15/08
Filed: 1989-06-27
Granted: 1994-02-15
Abstract: PNEUMATIC DOOR OPERATOR              Abstract of the Disclosure An  operator  system  for  a  counterbalanced  door includes a rodless fluid cylinder that has a cylinder body and  a  rodless  piston  adapted  for  reciprocation  in  the cylinder  body.    A  carriage  which  is  adapted  for reciprocation externally along the length of the cylinder body is secured to the piston.  A link member connects the cylinder carriage to a door or to a torsion bar for the door.   A control circuit is provided for controlling the operation of the fluid cylinder and hence the position of the door.
Patent CA-1294199-C (CA)
Inventor: SWENSON DOUGLAS A
IPC: A61F13/15
Filed: 1989-07-10
Granted: 1992-01-14
Abstract: APPARATUS AND METHOD FOR APPLYING HEAT-SENSITIVE   ADHESIVE TAPE TO A WEB MOVING AT HIGH SPEED            Abstract of the Disclosure Apparatus and method for applying heat-sensitive adhesive tape, such as frontal diaper tape, of the type having a layer of heat sensitive adhesive material to a web moving at high speed, such as a web of water-resistant material designed for use as the outer layer of disposable diapers.  The apparatus comprises a tape-feed wheel for preheating and feeding the tape to the apparatus from a supply of generally continuous tape, and a tape-applying wheel in rolling engagement with the web for applying tape fed to it from the tape-feed wheel to the web.  The tape-applying wheel includes vacuum passageways for providing suction through a cylindrical surface of the tape-applying wheel to hold the tape thereon, and a heating mechanism for heating the tape to an elevated temperature at which the heat-sensitive adhesive is tacky and for maintaining the tape at the elevated temperature until it is applied to the web.  Successive end portions of the tape are cut against the tape-applying wheel into pieces to be applied to the web, and each successive piece of tape cut from the tape is accelerated by the tape-applying wheel from the relatively slow velocity of the tape-feed wheel to the relatively fast velocity of the web and applied to the web.
Patent CA-1321087-C (CA)
Title: Optical fiber distribution system for an optical fiber sensor
Inventor: GIULIANI DAVID
IPC: G01N21/78
Filed: 1989-07-25
Granted: 1993-08-10
Abstract: OPTICAL FIBER DISTRIBUTION SYSTEM FOR AN OPTICAL FIBER SENSOR                     Abstract of the Invention A device for distributing signals within a sensor used for monitoring the presence of a specific analyte in a composition by means of an analyte-sensitive indicator molecule is disclosed. The sensor system includes a signal-generating component generates a first optical of a wavelength that is and a signal-measuring component. In one preferred embodiment, the signal-generating component generates a first optical signal of a wavelength that is sensitive to the indicator molecule, and a second optical signal of a wavelengththat is predictably altered by the indicator molecule. The distribution system includes lengths of optical fiber, a dividing connector, a mixing connector, a transmitting connector and a tip connector. The dividing connector connects at least three intermediate fibers to the signal-generating component to thereby receive intermediate signals. At least one of the intermediate signals corresponds to the wavelength of the first signal and one intermediate signal corresponds tothe wavelength of the second signal. The mixing connector connects a mixing fiber to the intermediate fibers to thereby receive the intermediate signals andblend them into a single mixed signal. The transmitting connector connects a transmitting fiber to the mixing fiber to thereby receive a portion of the mixedsignal, and connects a comparison fiber to the mixing fiber to transmitting a portion of the mixed signal to the signal-measuring component. The tip connector connects the transmitting fiber to the sensor tip to thereby transmit a portion of the mixed signal to the sensor tip, and connects an indicator fiber to the sensor tip to thereby transmit a portion of the resulting indicator signal returned from the sensor tip to the signal-measuring component. The intensity ofthe intermediate signal corresponding to the first signal is maximized at the dividing connector. The intensity of the intermediate signals corresponding to the wavelength of the first signal are bonded by the necessity of transmitting intermediate signals corresponding to the second signal of adequate intensity such that the intensity of the indicator signal of a wavelength corresponding to the wavelength of the second signal is suitable for monitoring the operation of the distribution system.
Patent CA-1321152-C (CA)
Title: Separator
Inventor: MICHALUK PETER G
IPC: B04C3/06
Filed: 1989-09-05
Granted: 1993-08-10
Abstract: ABSTRACT                           SEPARATOR        A separator for separating a mixture of liquids into a more dense component and a less dense component.  It comprises a tube of decreasing cross-section, at least one tangential inlet, an outlet for the less dense component on the tube axis, and an outlet for the more dense component on the tube wall in the form of a spiral groove, preferably with a plurality of outlet ports at the groove base.  The separator may for example be used for separating a small volume of oil from water or, with suitable adjustment, a small volume of water from oil.
Patent CA-1307035-C (CA)
Title: Gas zone valve emergency alarm system
Inventor: PRYSLAK AUGUST J
IPC: A61G12/00
Filed: 1989-09-21
Granted: 1992-09-01
Abstract: GAS ZONE VALVE EMERGENCY ALARM SYSTEM                 Abstract of the Disclosure The  system  includes  a plurality of  zone valves located in a gas flow pipeline.  These valves contain a fiber optic bundle that is installed in the center of the valve handle.   The fiber optic light comes from a source and is read by a light detector.   As long as light is detected by the light detector, the circuitry within the detector will function as a closed circuit. As soon as the detector is not sensed, the detector will function as an open circuit and will provide an alarm to a floor control panel and on to a system annunciator. The system processor is capable of performing remote shunting.    The  operator  can  determine  by  visual reference the location of the problem.   False alarms caused by intermittent faulty loops can be identified by a built in memory circuit.  The circuit is also capable of detecting loss of current flow that could be caused by a number of reasons.   The loss will cause an alarm condition to occur and the operator shall be notified of the system's condition.
Patent CA-1321297-C (CA)
Inventor: ARBOGAST ROBERT E
IPC: A61F2/00
Filed: 1991-12-23
Granted: 1993-08-17
Abstract: ABSTRACT OF THE DISCLOSURE         An   artificial  foot   includes   a   hollow,   rigid, compression-molded composite keel made from aramid  fibers for connection to a prothesis and to an improved composite carbon-fiber  material  acting  as  a  spring  for  improving  the  energy absorbing  and  releasing  characteristics  of  the  foot  to  aid movement of the amputee.   The spring includes a pair of thin, forwardly-extending composite spring members capable of lateral movement with respect to each other and connected to the keel. An auxiliary deflection spring or plate is interposed between the primary deflection plate and the keel and includes a forwardly-extending upwardly-oriented portion to aid in energy absorption and  release  during  flexing  of  the  foot.    The  plates  are surrounded by a suitable abrasion resistant material, such as a Kevlar*  sock,  surrounded  by  a  low  density  flexible  foam urethane.   A medium density  flexible  foam urethane  wedge  is interposed beneath the heel portion of the keel.  The composite construction is surrounded by an outer shell formed in the shape cosmetically to resemble a foot.  The keel structure and method of making the composite to provide longitudinal and transverse strength are also disclosed.     * Trade-mark
Patent CA-1339786-C (CA)
Inventor: IWAMOTO KOJI
IPC: H04N5/238
Filed: 1993-09-30
Granted: 1998-03-31
Abstract: A method of focus control for a video camera comprises the steps of detecting the maximum value of a luminance component in an image pickup signal; and adjusting a rotating position of a focusing ring of an image pickup lens on the basis of the result of the detection, including the further steps, when said maximum value is detected, of rotating said focusing ring for driving same at a low speed for a predetermined time to discriminate an increasing direction of the luminance component from a start point and, thereafter, until said luminance component exceeds a predetermined level, rotating the focusing ring at a high speed, and rotating the focusing ring at a low speed when said level is set to at least the predetermined level, thereby permitting faster focusing and reducing the amount of overrun of the lens during such focusing.
Patent DK-154393-C (DK)
Inventor: BECKER REINHOLD
IPC: A22C11/02
Filed: 1982-06-30
Granted: 1989-05-01
Abstract: A device for deshirring, smoothing and braking a shirred tubular casing during stuffing of the casing with a fluid mass flowing under pressure from the stuffing horn of a stuffing machine into the tubular casing. The device comprises an annular body having a central opening releasably securable to the stuffing horn, said annular body having recesses on its outer surface extending parallel to its longitudinal axis. The recesses have a substantially U-shaped, V-shaped or rectangular cross-sectional configuration or end view configuration. The configuration of the braking and smoothing elements corresponds to that of the recesses in the surface of the annular body. The braking elements and/or the annular body are displaceable relative to each other either parallel to the longitudinal axis of the stuffing horn or the elements are displaceable perpendicular to the longitudinal axis of the stuffing horn so that the braking elements can be extended into the recesses or spaced away from the recesses. An apparatus comprising a device of the aforementioned type is also disclosed.