baber/WOPTO huggingface dataset:
Patent CA-1134023-A (CA)
Title: Process for the transmission of an audio-frequency  analog signal during line-frame synchronization  intervals of a television signal and apparatus  for performing this process
Inventor: KERGOSIEN JEAN M
IPC: H03M13/00
Filed: 1979-10-03
Granted: 1982-10-19
Abstract: ABSTRACT OF THE DISCLOSURE            PROCESS FOR THE TRANSMISSION OF AN AUDIOFREQUENCY ANALOG SIGNAL DURING LINE-FRAME SYNCHRONIZATION INTERVALS OF A   TELEVISION SIGNAL AND APPARATUS FOR PERFORMING THIS PROCESS     The transmissionprocess comprises a coding of the sound signal consisting of converting it into words of n bits at a frequency double the line frequency and during each synchronization pulse transmitting four words of n bits corresponding to different samples, which introduces a redundancy of two and a decorrelation between the different samples. The process involves a decoding operation consis-ting of comparing the two representations of the sample transmitted during the two synchronization pulses and selecting one representation for each. sample as a function of the result of the comparison.
Patent CA-1122844-A (CA)
Title: Electrophotographic element containing  a hydrazone photo conductor in the  charge transport layer
Inventor: SAKAI KIYOSHI
IPC: G03G5/06
Filed: 1979-10-10
Granted: 1982-05-04
Abstract: ELECTROPHOTOGRAPHIC ELEMENT            ABSTRACT OF THE DISCLOSURE         An electrophotographic element is prepared by forming a photoconductive layer containing a hydrazone compound therein on an electroconductive support member.          The hydrazone compounds represented by the following general formula, are useful as photoconductive materials and as charge transport materials for use in electro-photography:               , wherein Ar represents a substituted or unsubstituted con-densed polycyclic group or heterocyclic group, and R re-presents a methyl group, an ethyl group, a benzyl group or a phenyl group.  The condensed polycyclic group includes naphthalene ring, and an anthracene ring.  The heterocyclic ring includes nitrogen, oxygen and sulfur.
Patent CA-1118287-A (CA)
Inventor: LERDU JEAN M
IPC: E06B3/54
Filed: 1980-03-10
Granted: 1982-02-16
Abstract: ABSTRACT OF THE DISCLOSURE     The glass panel structure comprises a hermeti-cally sealed panel consisting of at least a pair of glass panes arranged in spaced parallel relationship and of a spacer disposed between the inner marginal edges of the panes and sealingly connected thereto to form a self-contained glass pane unit; a series of border elements, formed of rigid vinyl plastics material, peripherally extend about the self-contained glass pane unit and are firmly attached to at least one of the glass panes along the outer marginal edge thereof; a metallic member extend at least along each opposite vertical side of the unit and is interlockingly engaged with a corresponding border element to form a structural unit with the glass panes; each metallic member is manually removable from its border element for replacement in the event of damage.
Patent CA-1141472-A (CA)
Inventor: BUTLER MARLOW D
IPC: G06K9/62
Filed: 1980-04-30
Granted: 1983-02-15
Abstract: ABSTRACT OF THE DISCLOSURE          A method and apparatus for enhancing image details of an object to be recorded.  The object is bombarded by radiant energy from an ultraviolet light source in such a manner that the object absorbs the radiant energy and emits visible light in the form of fluorescence and phosphorescence.  A camera optically scans the object and records image details that have become available due to the fluorescence and phosphorescence.          The details of objects having rough or irregular surfaces may be further enhanced by disposing the ultraviolet light source at an angle with respect to the surface of the object so that portions thereof are shaded while other portions of the surface absorb the radiant energy and emit visible light.  Appropriate filters may be provided to reduce the effects of extraneous light.
Patent CA-1145107-A (CA)
Inventor: BARNET ADRIAN J
IPC: D21C3/06
Filed: 1980-07-31
Granted: 1983-04-26
Abstract: ABSTRACT OF THE DISCLOSURE        Refiner mechanical pulp, in the form of RMP or TMP, of improved properties suitable for substitution for chemical pulp, especially in newsprint furnish, is obtained in a sub-stantially pollutant-free process by subjecting the pulp, between the stages of refining, to chemical treatment using sodium sulphite solution to result in increased wet stretch and stress-strain properties while retaining high drainage and avoiding substantial yield loss.  Strength properties of dried paper are enhanced and energy requirements to obtain improved pulp quality in the second stage of refining are less.
Patent CA-1140464-A (CA)
Inventor: FRIDLENDER BERTOLD R
IPC: G01N33/569
Filed: 1980-09-09
Granted: 1983-02-01
Abstract: Abstract of the Disclosure An immunoassay method for the detection of an antibody (Ab1) to a viral antigen (Ag) wherein a whole human blood sample diluted with an isotonic aqueous solution is incubated with a solid-phase form of Ag whereby any Ab1 present in the sample becomes bound to solid-phase Ag, the resulting solid-phase Ag-Ab1 complexes are separated from the sample, a label-incorporated form of an antibody to Ab1 (Ab2*) is contacted with the separated, solid-phase Ag-Ab1 complexes, the resulting solid-phase Ag-Ab1-Ab2* complexes are separated from excess Ab2*, and the amount of the label in the separated, solid-phase Ag-Ab1-Ab2* complexes is measured as a function of the presence of Ab1 in the sample. Preferably the whole blood sample is diluted 1:20 by volume with an isotonic aqueous buffer solution. The method is particularly useful for the detection of cytomegalovirus antibody or Rubella antibody.
Patent CA-1141127-A (CA)
Inventor: KRAMER VANCE M SR
IPC: B29C53/30
Filed: 1980-10-03
Granted: 1983-02-15
Abstract: ABSTRACT OF THE DISCLOSURE         A method for making flexible tubing with helical cor-rugations by forming two tube lengths simultaneously while superposed one on top of another.  Two extruded sleeves of dif-ferent diameter formed of uncured vulcanizable stock are slid successively in superposed relation over an elongated internal forming member having a helical surface form with helical ridges and grooves.  The resulting assembly is then wrapped with a flexible cord under tension such that successive turns of the cord are in spaced, generally parallel relation and in the grooves of the forming member to press adjacent portions of the two sleeves into the grooves.  The sleeves are heat-treated in this wrapped condition to form two flexible, corrugated lengths of tubing simultaneously.  The cord is then unwrapped from the lengths of tubing and the lengths are removed in reverse order of assembly.
Patent CA-1148897-A (CA)
Inventor: SELINES RONALD J
IPC: B29C51/00
Filed: 1980-11-20
Granted: 1983-06-28
Abstract: A METHOD FOR DEEP DRAWING                Abstract of the Disclosure A method for deep drawing sheet wherein (i) the sheet is formable by deep drawing and (ii) the sheet is in the form of a blank having a flange portion and a center portion comprising the following steps:  (a)  cooling the blank to a temperature no higher than about minus 50°C;      (b)  heating the flange portion to a temper-ature higher than the center portion and sufficient to establish a temperature differential between the flange portion and the center portion of about 40°C to about 150°C; and (c)  drawing the blank into a concave deep drawing die using a mating convex punch, the center portion being initially at a temperature no higher than about 0°C and the drawing being effected at a speed sufficient to maintain the temperature differential established in step (b).     S P E C I F I C A T I O N
Patent CA-1114794-A (CA)
Inventor: TITTLEY REMI R BOULEVARD CARTI
IPC: F24H1/22
Filed: 1981-02-24
Granted: 1981-12-22
Abstract: ABSTRACT        An improved heating unit for a recirculating hot-water heating system includes a small-diameter tank of inverted U-shape.  In each leg of the tank a vertically oriented heating element extends upwardly from the lower-most end of the leg.  Heat-transfer fluid enters each leg at the lowermost end thereof, passes upwardly in each leg being heated by the heating element therein, and exits to the appropriate flow conduit system through a single outlet in the top cross-flow portion.  The heating elements are not subjected to any cantilever forces, do not develop hot spots or detrimental coating and provide for uniform effec-tive heating at very low power ratings in comparison to prior art heating units.
Patent CA-1169447-A (CA)
Inventor: COHEN DONALD P
IPC: A47G23/02
Filed: 1981-02-25
Granted: 1984-06-19
Abstract: BEVERAGE DISPENSER HOLDER WHICH IS         READILY MOUNTABLE ON A VEHICLE DASHBOARD            ABSTRACT OF THE DISCLOSURE:          A beverage dispenser holder which is adapted for ready installation on a vehicle dashboard, such as an automobile dashboard, and which may be easily removed for installation in another vehicle, when desired, includes a body portion for holding the dispenser in dispensing position, a strip of material for supporting the body portion to an upper surface of the vehicle dashboard, as by a hook and loop type fastener, and strip means for holding the body portion to (and away from) a lower portion of the dashboard, prefer-ably also by a hook and loop fastener.  It is preferred that the holder be of a synthetic organic polymeric material of suitable strength and flexibility for the desired purpose and that the beverage dispenser be held in inverted dispensing position, with a dispensing valve at the bottom end (when inverted) thereof.  The holder preferably includes means for supporting a cup below the beverage dispenser and the strips for fastening onto upper and Lower portions of the dashboard may be transversely scored or weakened to facilitate cutting or bending, as desired, so as to conform to the dashboard.          Also  within the invention are a combination of a beverage dispenser and a holder, as described, installed on a vehicle dashboard, and a dispensing valve-seal combination for a beverage container, especially useful for dispensing beverage from such a container, in inverted position.
Patent CA-1164987-A (CA)
Inventor: SIMMS GRAHAM J
IPC: G01C19/64
Filed: 1981-04-23
Granted: 1984-04-03
Abstract: Abstract Ring Laser Gyroscopes A ring laser gyroscope having a plurality of sensitive axes (X, Y, Z) and hence a plurality of cavities (7X, 7Y, 7Z), the cavities lying in mutually orthogonal planes at right angles to the respective sensitive axes and each cavity having three or more corners arranged so that at least one corner coincides with a corner of another cavity, whereby the cavities are interconnected, the gyroscope further comprising a plurality of mirrors (17,18) disposed respectively at the coinciding corners and the remaining corners of the cavities (7X, 7Y 7Z), whereby the number of mirrors is less than the total number of cavity corners, the mirrors at the coinciding cavity corners and the coinciding cavities being oriented such that the normal to each of these mirrors lies in the plane of each cavity it serves and bisects the associated corners of those cavities.
Patent CA-1163405-A (CA)
Inventor: SKAIAA LEIF
IPC: A22B5/20
Filed: 1981-06-17
Granted: 1984-03-13
Abstract: MEANS FOR SPLITTING CARCASSES             ABSTRACT OF THE DISCLOSURE     The present invention relates to apparatus for cutting carcasses, especially hogs.  The apparatus comprises a knife to which is imparted an oscillating motion in the vertical direction.  This is suitably accomplished by a ramming device arranged at one end of the knife with the knife being pivotably supported by a frame on its opposite end.
Patent CA-1165895-A (CA)
Inventor: CHARI VENU
IPC: G06F13/00
Filed: 1981-06-25
Granted: 1984-04-17
Abstract: SERIAL CHANNEL CONTROL PROCESSOR     Abstract of the Disclosure A serial channel control processor forms part of an I/O processor which initiates and controls the method of communication utilized in a data processing system.  The serial channel control processor comprises a first means for performing arithmetic and logic opera-tions, a second means for receiving and storing the results of the first means, and a buffer means for temporarily storing the information to be transmitted between a peripheral subsystem and the central memory of the data processing system.  A controller is included in the serial channel control processor for controlling the first means, second means, and buffer means, and for implementing the method of communication in accordance with the defined message protocol.  The method of com-munication is defined such that the serial channel control processor initiates all the I/O between the peripheral subsystem and the central memory.
Patent CA-1149271-A (CA)
Inventor: KNILL ROBERT B
IPC: B60C1/00
Filed: 1981-09-14
Granted: 1983-07-05
Abstract: Abstract of the Disclosure PNEUMATIC TIRE     A pneumatic tire having a sulfur-cured rubber tread comprised of an axially central tread portion positioned between two tread portions of about equal size, said tread portions required to be of particular rubber compositions and physical characteristics.  The pneumatic tire is considered to be advantageous over tires heretofore known having treads of varying rubber composition such as of the outer cap/ inner base construction or with a tread having a central region with a higher co-efficient of friction than its outer regions, but having substantially the same hardness, where the central region is of a synthetic rubber and the outer regions are of natural rubber.
Patent CA-1199070-A (CA)
Inventor: MOORE PRENTICE G
IPC: G06G7/16
Filed: 1981-10-05
Granted: 1986-01-07
Abstract: ELECTRONIC WATT/VAR TRANSDUCER                    Abstract of the Invention A watt/var transducer utilizing the pulse width-pulse height modulation type of multiplying scheme wherein a stable squarewave is generated by switching from one reference voltage to another reference voltage, the output thereof is integrated to produce a stable triangular wave output, the gain of which can be simply adjusted by shorting the output of amplifying means to various points in a resistive means contained in feedback means from the output to the input of said amplifying means.  The frequency of the triangular wave output is high relative to any alternating signal which may pass upon the power line to be monitored by the transducer such that those portions of said alternating signal sampled by the multiplier portion of the transducer appear to be non-alternating signals thereby rendering the transducer capable of multiplying alternating signals as well as non-alternating signals.
Patent CA-1153359-A (CA)
Inventor: HODGE LEE R
IPC: F16C19/50
Filed: 1981-10-16
Granted: 1983-09-06
Abstract: ABSTRACT OF THE DISCLOSURE    A stabilizer for attachment to a drill string in shaft drilling has an improved bearing.  The stabilizer has an in-ner hub that is rigidly secured to the drill string above the bit.  An outer hub encircles the inner hub.  The outer hub has a centralizing device that extends laterally out-ward for frictionally engaging the walls of the shaft if the drill string wanders off-center.  The bearing between the inner and outer hubs includes a plurality of rollers rota-tably mounted to one of the hubs and in rolling contact with the other of the hubs to allow rotation of the hubs with respect to each other.  In the preferred embodiment, the hub opposite the one containing the rollers has frusto-conical rings that are engaged in rolling contact by the rollers.
Patent CA-1178279-A (CA)
Inventor: STURM KARL
IPC: C07D251/18
Filed: 1981-11-05
Granted: 1984-11-20
Abstract: Abstract of the Disclosure The invention relates to a 5-phenyltetrazole of the formula I                                  (I) in which R denotes furyl or thienyl, to a physiologically acceptable salt thereof, to its preparation, to agents composed of or containing this compound and to its use as a drug.
Patent CA-1157124-A (CA)
Inventor: AGNEW DAVID G
IPC: H04B1/58
Filed: 1981-11-18
Granted: 1983-11-15
Abstract: HYBRID CIRCUIT INCLUDING CAPACITIVE CHARGE-TRANSFER MEANS     Abstract of the Disclosure A hybrid circuit includes a capacitive charge-transfer arrangement, comprising parallel capacitors and series switches, for coupling signals in one or both directions between a four-wire line and a two-wire line.  The switches are constituted by VMOS power FETs.  In one embodiment, the charge-transfer arrangement is provided in the receive Path to give the desired properties of electrical isolation and unbalanced to balanced conversion of receive path signals.  Signals from the two-wire line are coupled to a transmit path of the four-wire line via an attenuating and high-pass filtering arrangement and a differential amplifier, thereby providing good common mode rejection of high voltage signals, especially at power line frequencies.  In another embodiment, the charge-transfer arrangement is provided, commonly for the receive and transmit paths, for coupling the two-wire line to the remainder of the hybrid circuit.                             - i -
Patent CA-1156616-A (CA)
Inventor: SANGSTER GEORGE G
IPC: B60P1/46
Filed: 1981-12-22
Granted: 1983-11-08
Abstract: ABSTRACT OF INVENTION           A lift assembly for raising and lowering people and things which is especially useful for providing safe and convenient ingress and egress to and from recreational vehicles for disabled persons such as those who are confined to wheel chairs, said device having a pivotable articulated platform receiving selective vertical movement by way of a special llnkage between the platform and a threaded driven shaft which in turn responds to a reversible electric  motor which is actuatable by remote signal device which may be held by the operator thereof.
Patent CA-1181951-A (CA)
Title: Recovery of molybdenum from spent catalyst solutions from hydroperoxide epoxidations
Inventor: TAYLOR PAUL D
IPC: C22B34/34
Filed: 1982-01-18
Granted: 1985-02-05
Abstract: RECOVERY OF MOLYBDENUM FROM SPENT       CATALYST SOLUTIONS FROM HYDROPEROXIDE EPOXIDATIONS     Abstract Of The Disclosure In the process of recovering molybdenum from a spent catalyst solution obtained from a crude reaction product of a molybdenum catalyzed epoxidation of an olefin with an organic hydroperoxide from which crude reaction product epoxide and an alcohol corresponding to the hydroperoxide is removed, the improve-ment comprises removing and recovering dissolved molybdenum as a high molybdenum content solid by subjecting  the spent catalyst solution to a liquid-to-liquid extraction with an aqueous extract to form a two phase system, separating the molybdenum aqueous extract and precipitating therefrom a high molybdenum content solid by heating the aqueous extract  in the presence of hydrogen sulfide or a water soluble sulfide  salt.
Patent CA-1180358-A (CA)
Inventor: SAXON JOHN W C
IPC: B65G47/256
Filed: 1982-03-12
Granted: 1985-01-02
Abstract: ABSTRACT OF THE DISCLOSURE (To be accompanied by Figure 8) A device for orientating components each comprising an axially elongated body extending unequal distances on opposite sides of a flange.  Different components may have the centre of gravity on different sides of the flange.      The device comprises a slotted track along which components are fed by vibration, the slot being too narrow to pass the flange.  A component is supported on the track by its flange about which it can pivot whilst on the first portion 28 of the track.  A second portion 29 of the track can be entered only by a component orientated perpendicularly of the track with its longer part extending into the slot.      The orientating device includes two air jets 38 and 39, one overlying each part of the track and spaced apart along the track by rather more than the length of one component.  A component positioned on the track with its flange at the end of the first portion 28 adjacent the second portion 29 can have only its longer part acted on by one of the air jets, so as to urge the longer part into the slot and the component  into the orientation in which it can enter the second portion 29 of the track.
Patent CA-1162740-A (CA)
Inventor: BRANDLI EUGENE H
IPC: A01M1/00
Filed: 1982-03-18
Granted: 1984-02-28
Abstract: 28,325 ABSTRACT OF THE DISCLOSURE An insect feeding station having a central poison area, guide and baffle walls leading from the periph-ery of the station to the central poison area, a cover with transparent means to view said poison area.  The poison compartment may  have a contrasting and luminous color under the poison to make removal of poison easily detectable.
Patent CA-1173549-A (CA)
Inventor: VAN RUYVEN LODEWIJK J
IPC: H01S5/40
Filed: 1982-03-18
Granted: 1984-08-28
Abstract: ABSTRACT:        Semiconductor laser device having a semiconduc-tor body in which two or more lasers are provided which can generate substantially parallel radiation beams of preferably different frequencies which are situated close together.  According to the invention the semiconductor body comprises at least one semiconductor laser of the double heterojunction type (DH-type) comprising a plur-ality of semiconductor layers with a radiating p-n junc-tion parallel to the semiconductor layers and at least one semiconductor laser of the TJS ("Transverse Junction Stripe") type the p-n junction surface of which is trans-verse to that of the DH-laser.  The device comprises a layer structure having at least two active layers each between two passive layers.  One laser is formed in a mesa-shaped part (II) of the body which comprises both active layers, the other one in an adjacent part (I) in which the uppermost active layer is absent.  The TJS-laser is preferably provided in the last-mentioned part (I).   More than two lasers may also be provided.  Appli-cation in optical telecommunication and in "direct read and write" (DRAW") systems.
Patent CA-1174481-A (CA)
Inventor: MAIER JOSEF
IPC: E04G11/28
Filed: 1982-04-30
Granted: 1984-09-18
Abstract: ABSTRACT Apparatus which can be raised incrementally to form successively higher stages of a concrete wall is disclosed.  The apparatus includes a slid-ing form which rests upon rails located on a work platform and is capable of being moved away from the newly formed concrete wall section to allow for cleaning and reapplication of parting agent to the form.  The sliding form and work platform are supported by beams forming part of a scaffold which is anchored to the previously formed concrete wall section.  Apparatus of this kind presently known in the art has numerous disadvantages which the present invention seeks to overcome.  Hitherto, the form was moved along the support beams and openings had to be left in the platform to allow for the mounting of the form on the beams.  Tools and other objects could fall through such openings. Furthermore, such apparatus without the rails of the present invention was limited to use on forming flat walls.  The present invention overcomes these difficulties by providing rails within or on the work platform on which the form can slide away from the newly formed concrete wall.  The rails are parallel with one another even though the support beams may diverge from one another in the case of apparatus for forming convexly curved walls.
Patent CA-1142427-A (CA)
Inventor: HOLT JAMES H JR
IPC: E21B33/06
Filed: 1982-06-10
Granted: 1983-03-08
Abstract: DIV. I                      ABSTRACT OF THE DISCLOSURE        This invention relates to rams in a blowout preventer to shear the drill string and seal the well bore should the need arise.  Two shearing rams have cutting blades which shear the drill pipe.  A seal member is mounted behind one of the cutting blades and is adapted to move into sealing position after shearing has occurred.   Elastomer flow into areas where there has been damage to the seal member is permitted by the design of the seal member.