baber/WOPTO huggingface dataset:
Patent CA-1087255-A (CA)
Inventor: ROY DIPAK P O BOX STATION E OT
IPC: H03H15/02
Filed: 1979-02-06
Granted: 1980-10-07
Abstract: ABSTRACT     The present invention pertains to a digitally programmable sampled-analog transversal filter which  comprises of a charge transfer device delay analog-delay line with a non-destructive readout mechanism at each of the delay stages, a multiplying digital to analog conversion circuit which is multiplexed amongst the outputs from the delay stages to provide weighting of the time-shifted analog signal samples by digital techniques, and a serial summer network to sum a finite series of pulse amplitude modulated signals appearing at the output of the multiplying digital to analog conversion circuit.One particular advantage of the filter organisation is the wide output dynamic range capability, useful in a myriad of signal processing applications, e.g. match filtering, correlation, equalisation and adaptive filtering, echo cancellation, etc. The filter structure is particularly suited for spectral analysts of an analog signal.  An alternate configuration of the filter structure requires the multiplying digital to analog converter interacting directly with the input analog signal to produce a series of coefficient-weighted samples corresponding to each sample of the input signal.  These samples can be summed progressively in a parallel-input serial-output charge transfer device analog-delay line by shifting the samples down the delay line.  For an integrated circuit implementation of this concept, a design of a differential input multiplying digital to analog converter circuit and a parallel input charge transfer device delay line are important and are presented in the disclosure.
Patent CA-1086691-A (CA)
Inventor: BERGHAHN WALTER G
IPC: B65D83/04
Filed: 1979-02-19
Granted: 1980-09-30
Abstract: ABSTRACT OF THE DISCLOSURE  A container provided with a dispensing closure com-prising a cavity-containing ball rotatable in the neck of the container, a resilient retaining ring holding the ball in contact with the neck, and a locking ring thereover threadable on the neck.
Patent CA-1088360-A (CA)
Inventor: LYNCH BRIAN
IPC: H01B13/12
Filed: 1979-02-22
Granted: 1980-10-28
Abstract: METHODS OF AND APPARATUS FOR SIMULTANEOUSLY COVERING EACH OF A PLURALITY OF ELONGATED MATERIALS        WITH UNIFORMLY WEIGHTED PULP INSULATION Abstract of the Disclosure Paper pulp insulation of uniform weight per unit length is formed simultaneously on each of a plurality of advancing electrical conductors (21-21) by the use of a dual zone headbox (23) which cooperates with a forming cylinder (24).  In one zone of the headbox, the average velocity of a pulpous mixture flowing in a channel (54) is controlled by a first velocity control member (58) after which the pulp-ous mixture is split into a plurality of streams to form a pulp ribbon (29) below each of the conductors on the periphery of the forming cylinder.  In the other zone, the pulpous mixture is passed through a channel (57) prior to being split into individual streams that are deposited as ribbons (31-31) above the conductors.  The average velocity of the pulpous mixture in the channel (57) in the other zone is controlled by a second velocity control member (66) having a plurality of discrete individually adjustable sections which are aligned with the streams.  Selected sections of the second velocity control member (66) are adjusted to insure that the combined weight of each increment of the ribbon (31) of the pulpous mixture which is deposited above each conductor together with each associated increment of the underlying ribbon (29) is substantially constant.                             -i-
Patent CA-1140828-A (CA)
Inventor: KAPITANOV NIKOLAI N
IPC: A61B17/072
Filed: 1979-02-28
Granted: 1983-02-08
Abstract: Abstract of the Disclosure The instrument comprises a supporting part and a staple-receiving part connected pivotally to each other, their working ends carrying opposing longitudinal jaws.  The said longitudinal jaw of said staple-receiving part accom-modates staple magazines.  Made in said staple magazines in opposition to the staple-clinching indentations of the longitudinal jaw of the supporting part are transverse slots adapted to accommodate the members for driving said staples and said staples, and longitudinal slots adapted to accom-modate bars with wedge-shaped ends facing said staple-driving members, adapted for cooperation with said staple-driving members, to drive out and insert said staples.  The longitudinal slot of said staple-receiving part movably accommodates a knife blade movable jointly with said bars.          The instrument includes a latch-type lock for retaining the two parts in a position where they are brought together to define a suturing gap therebetween, and means for preventing substantial traumatism of the layer-by-layer sutured organs and for ensuring the rigidity of the suturing unit of the instrument in the course of a suturing operation.  The instrument is operable for resection surgery of the affected portions of the spleen, lungs, liver and other organs, and also as an organ-suturing instrument.
Patent CA-1095349-A (CA)
Inventor: HEGEDUS LOUIS
IPC: F02M1/10
Filed: 1979-03-23
Granted: 1981-02-10
Abstract: METHOD FOR REDUCING CO AND HC EMISSIONS            Abstract of the Disclosure A method for decreasing CO and HC emissions in a vehicle exhaust stream during the period of engine warm-up following the start of engine operation, in which the A/F mixture to the engine is pulsed by first using a mixture which is leaner than that otherwise used thus reducing the CO and HC content of the exhaust stream exiting the engine to an amount below that of the CO and HC otherwise present and then using an A/F mixture which is richer than such lean mixture and is substantially that otherwise used thus increasing the amount of CO and HC in the vehicle exhaust stream to substantially the amount otherwise present, passing the pulsed exhaust stream through a catalytic converter adapted to oxidize the CO and HC constituents, and repeating this pulsing continuously through the period of engine warm-up and at a rate sufficient to achieve increased catalytic conversion of CO and HC over that obtained without pulsing, the rate being also sufficiently rapid so as to preclude engine-stall.  A preferred system for practicing the method involves apparatus for the repeated opening of the choke plate of the engine carburetor during the period when the choke plate is not full-open.
Patent CA-1115346-A (CA)
Inventor: HOPKINS GREGORY T
IPC: H04L12/413
Filed: 1979-03-27
Granted: 1981-12-29
Abstract: ABSTRACT OF THE DISCLOSURE           An unslotted radio frequency multiple access bus communications system employing a contention listen-while-talk (LWT) protocol.  The system includes a plurality of remotely located terminals coupled to a communications bus.  The bus includes a pair of oppositely directed, unidirectional signal paths which are connected at one end so that one path is an inbound path to that end and the second is an outbound path from that end.  Each of the remote terminals includes a bus interface unit (BIU) coupled to both the inbound and outbound paths at the remote location.  Each BIU is adapted to transmit and receive modulated carrier signals on the inbound and outbound paths, respectively.          When a terminal wishes to send a message to another terminal, the terminal's BIU initially performs an rf carrier sensing operation to make an initial determination as to whether or not any other subscriber is transmitting on the inbound path.  In the event no carrier is detected, the BIU confirms this determination by first beginning to transmit a message packet modulated on a carrier signal and addressed to the desired receiving terminal on the inbound path, and then monitoring the outbound path during a collision window.   If the transmitted message is received intact by the transmitting terminal within this collision window, the transmitting terminal's BIU determines that no collision has taken place between its message and a message sent by another terminal or noise, and that the transmitting terminal has gained access to the bus Thereafter, the BIU may transmit any remaining portion of its message packet on the inbound path   However, in the event a collision is detected, the transmitting terminal's BIU aborts its transmission and then backs off for a random time period before again attempting to gain access to the bus and transmit its message.
Patent CA-1168413-A (CA)
Inventor: KNECHT WERNER
IPC: A62C2/00
Filed: 1979-04-17
Granted: 1984-06-05
Abstract: ABSTRACT OF THE DISCLOSURE   The invention relates to a device for containing and extinguishing fires and for preventing fires, which takes the form of a double-layer synthetic plastics foil, such as polyethylene or polypropylene which contains flame-smothering or inhibiting additives and is intended in use to be laid upon the burning or endangered objects to form an air-excluding protective layer which due to the flexibility of the foil covers all irregularities in sealed manner.  The double-layer foil of polyethylene is produced by blowing on an extruder, flame-smothering or inhibiting additive such as antimony granulate being added to the material.  Additives are preferably added which enter a homogeneous combination with polyethylene.
Patent CA-1115206-A (CA)
Inventor: YAMAHIRA YOSHIYA
IPC: A61K9/19
Filed: 1979-05-11
Granted: 1981-12-29
Abstract: ABSTRACT OF THE DISCLOSURE         A method for preparing a stable urokinase injection by the liophilization of urokinase which comprises liophilizing an aqueous solution containing urokinase, human serum albumin and one or more amino acid compounds selected from polar amino acids and salt thereof.        The urokinase injection obtained according to this method is excellent in the storing stability as compared with conventional urokinase preparations for injection.
Patent CA-1138191-A (CA)
Inventor: TUSS JOHN J
IPC: G01B5/008
Filed: 1979-07-19
Granted: 1982-12-28
Abstract: COORDINATE MEASURING MACHINE HAVING LOW FRICTION CURTAINS TO PROTECT THE WAY SURFACES               ABSTRACT OF THE DISCLOSURE       A  coordinate  measuring  machine  in  which  a  low friction curtain protects ways and the measuring gratings from   debris,   damage   and   resulting   measurement inaccuracies.  The low friction is obtained by supporting the curtain on a fluid film at its mounting to a support carried by the base.  Advantageously, the machine includes a horizontally moving carriage moves along horizontal ways on a base and the base includes a support at the ends of the ways.  Curtains made of flexible material are attached to the carriage and extend over the supports.  The support is preferably coupled to a source of fluid under pressure, which source is coupled to provide a fluid film between the curtain and the support.
Patent CA-1145364-A (CA)
Inventor: KATO NOBUKATU
IPC: C07C37/52
Filed: 1979-08-14
Granted: 1983-04-26
Abstract: Abstract of the Disclosure A novel process for producing isopropenyl phenol such as p-isopropenyl phenol which comprises continuously feeding oligomers of isopropenyl phsnol having a degree of polymerization of 2 to 5 into a high-boiling inert organic reaction medium such as an alkylnaphthalene heated at 150 to 250°C under a pressure of 10 to 100 mmHg while maintaining the concentration of the oligomers in the reaction medium at not more than 30% by weight, thereby thermally decomposing the oligomers in the reaction medium; and continuously distilling off the resulting isopropenyl phenol out of the reaction system and recovering it.  The process almost quantitatively gives isopropenyl phenol having reduced contents of impurities.
Patent CA-1140265-A (CA)
Inventor: PATTERSON MAURICE M
IPC: G01F1/34
Filed: 1979-10-15
Granted: 1983-01-25
Abstract: Abstract of the Disclosure An improved method and apparatus for measuring gas flow from producing wells using a dynamic pressure transducer to monitor the dynamic pressure in the gas flow.  The measured dynamic pressure signal is filtered to remove high frequency components and the resulting signal is converted to an RMS signal.  The RMS signal is proportional to the density of the fluid and the square of the fluid velocity.  Fluid flow can be calculated by measuring the temperature and static pressure of the fluid and combining these measurements with the measured dynamic pressure.
Patent CA-1153246-A (CA)
Inventor: GIARDINI DANTE S
IPC: F02M59/14
Filed: 1979-11-01
Granted: 1983-09-06
Abstract: ABSTRACT OF THE DISCLOSURE           A pump for a multi-cylinder piston engine has a plurality of C-shaped tubular members each with a hollow interior which has one end open to the hollow interior and sealably mounted to a housing with an inlet and outlet with a passage in communication with the inlet and outlet and the hollow interior.  A cam shaft is rotatably mounted within the convex area defined by each C-shaped member which operably engages a pivotably mounted deflector panel which deflects a free end of the C-shaped member to change the volume of the hollow interior which forces fluid through the inlet into the passageway.  The deflector member also is movable to disengage from the C-shaped member to decrease the volume of the hollow interior and force fluid through the outlet from the passageway.
Patent CA-1142670-A (CA)
Inventor: DAZZI JOACHIM
IPC: C08L23/00
Filed: 1979-11-21
Granted: 1983-03-08
Abstract: 3-12130+            Process for the mass colouration of thermoplastics with anthrequinonyl aminotriazines Abstract of the Disclosure A process for the mass colouration of thermoplastics in the melt with anthraquinonylaminotriaziues of the formula                          (1) , wherein each of X1 and X2 is an alkylmercapto or arylmercapto group or a group of the formula -NR1R2, in which each of R1 and R2 is alkyl, cyoloalkyl, aralkyl or aryl, and R2 can additionally be hydrogen, or R1 and R2 together with the nitrogen atom to which they are attached and optionally a further heteroatom form a 5- or 6 membered ring, one Y is n hydrogen or chlorine atom, a hydroxy, arylmercapto, alkanoyl amino or aroylamino group, or a group of the formula   and the other Ys are hydrogen atoms, Hal is a chlorine or bromine atom, and r. is O or 1. Yellow to orange colored fibres of clear shade, good color strength and fastness properties are obtained.
Patent CA-1149092-A (CA)
Inventor: HORN WILLIAM E JR
IPC: C08L55/02
Filed: 1979-12-18
Granted: 1983-06-28
Abstract: Abstract:     Hydrolytically stable triaryl phosphites. The tris-(o-alkylphenyl)phosphites are more stable to hydrolgsis than the tris-(p-alkylphenyl)phosphites and this makes them more useful as heat-stabliizing additives in certain graft copolymer compositions, especially in ABS resin compositions.  The alkyl groups are those having 3-12 carbon atoms.
Patent CA-1139622-A (CA)
Inventor: SULLIVAN ROBERT P
IPC: F23J3/00
Filed: 1979-12-28
Granted: 1983-01-18
Abstract: MECHANISM FOR ROTATING AND RECIPROCATING A SOOT BLOWER   Abstract of the Disclosure The lance of the soot blower is disclosed as having a square cross section extending through a square hole in a rotating bushing.  The square lance is reciprocated into and out of a furnace cavity by means of a carriage positioned through a rack and pinion.
Patent CA-1131772-A (CA)
Title: Fast forward - reverse mechanism  for cassette type tape recorder
Inventor: ERICKSON LEIF O
IPC: G11B15/44
Filed: 1980-01-10
Granted: 1982-09-14
Abstract: 915,328 Abstract of the Disclosure A cassette reel drive mechanism is disclosed for providing fast forward and reverse drive for the supply and takeup reels of the cassette.  The mechanism includes a simple mechanism, all of which is desirably mounted on the shaft of a DC reversible motor, and utilizes a portion of the torque of the motor, coupled through a clutch mechanism, to pivot a linkage arm.  An idler wheel is mounted on the arm and is driven by the motor.  Pivoting of the arm brings the idler wheel into driving contact with a  respective turntable associated with the supply and takeup spindles on which a cassette may be mounted to provide the desired fast forward or reverse drive, and disengages a brake mechanism to allow unencumbered rotation of the appropriate turntable.
Patent CA-1115703-A (CA)
Inventor: FRIEBE WALTER-GUNAR
IPC: C07D405/14
Filed: 1980-01-29
Granted: 1982-01-05
Abstract: ABSTRACT         The present invention provides piperidinopropyl derivatives of the formula:-  wherein R1 and R2, which can be the same or different, are hydrogen atoms or lower alkyl radicals or together represents an alkylene radical, R3 is a hydrogen atom or -O-R5, R5 being a hydrogen atom or an acyl radical,R4 is a hydrogen atom or a formyl radical, A is an -X1=Y1-grouping, in which X1 and Y1, which can be the same or different, are nitrogen atoms or -C(R6)=, in which R6 is hydrogen atom, a lower alkyl radical optionally substituted by -O-R5, wherein R5 is as defined above a carboxyl or an alkoxy carbonyl radical; or A is an -X2-Y2- grouping, in which X2 is -CH2- or -N(R7)-, in which R7 is a hydrogen atom or a lower alkyl radical, and Y2 is -CH2- or -C(=Z)-, in which Z is an oxygen or sulphur atom; or A is a -CR8=CR9- grouping, in which R8 and R9 together represent a -CH=CH-CH=CH- bridge, with the proviso that Y1 or Y2 is connected to >N-R4 in the above-given formula, and B is a heterocyclic radical or, if A represents -X2-Y2- or -CR8=CR9-, also a phenyl radical, which are optionally substituted one or more times by halogen, hydroxyl or lower alkyl, which optionally carries a hydroxyl group or a carboxamido radical, or by a lower alkoxy, amino carboxamido, lower alkylcarbonylamino, acyl or lower alkylsulphonylamino radical; and the pharmacologically acceptable salts thereof.            The present invention also provides processes for the preparation of these compounds and pharmaceutical compositions containing them.           Furthermore, the present invention is concerned with the use of these compounds for the treatment of cardiac and circulatory diseases.
Patent CA-1148209-A (CA)
Inventor: STACK JAMES B
IPC: G03G15/02
Filed: 1980-01-31
Granted: 1983-06-14
Abstract: CONTAMINATION PREVENTION SYSTEM               Abstract of the Disclosure A system for minimizing contamination of an electro-photographic copier machine wherein toner particles and/or carrier beads are the contaminating agents. The leading edge of corona housings are positioned a substantial distance from the surface of a rotating drum so as to not affect the rotating boundary layer near the drum surface.  In that manner, vortex formation within the corona housings may be prevented. The trailing edge of corona housings are given a curved shape and are at least as far removed from the drum surface as the leading edge.  The system includes a vacuum scavenging chamber to remove toner particles entrained in the boundary layer.  The leading edge of the scavenging chamber is given a curved shape to create a venturi in order to draw the boundary layer into the vacuum.  Carrier beads are removed in the scavenging chamber since the broad curved leading edge interferes with fringe fields holding carrier beads to the surface.  A positive preclean corona may be located within the scavenging chamber for further removal of carrier beads therein by neutralizing the photoreceptive charge and eliminating fringe fields. The trailing edge of the chamber is shaped as a knife edge.
Patent CA-1128873-A (CA)
Inventor: WELCH ROBERT B
IPC: G10K13/00
Filed: 1980-02-05
Granted: 1982-08-03
Abstract: ABSTRACT OF THE DISCLOSURE    An electrically driven loudspeaker is coupled to the atmos-phere, which is to carry sound to the human ear, through a hol-low coupler the inlet end of which has a cross sectional area com-parable to the effective area of the loudspeaker, said cross sect-ional area decreasing progressively from said inlet end to an outlet end of substantially smaller cross sectional areas. In a specific embodiment of the invention, an exponential horn is form-ed within the confines of a loudspeaker cabinet enclosure, and the inlet end of the horn is coupled to the electrically driven loudspeaker by means of the hollow coupler also formed within the cabinet enclosure. The outlet end of the coupler has the same cross sectional area and shape as the inlet end of the horn.
Patent CA-1153016-A (CA)
Inventor: SKRZEC ADAM E
IPC: C07C/
Filed: 1980-03-27
Granted: 1983-08-30
Abstract: PRODUCTION OF THIOPHENOL            ABSTRACT OF THE INVENTION        A process for the production of a thiophenol which consists of reacting hydrogen sulfide and a source of hydrogen with a halogenated aromatic compound.  The process produces high yields of thiophenol with low quantities of byproduct aromatic thioethers, particularly diphenyl disulfide.
Patent CA-1155167-A (CA)
Inventor: MARKHAM ROGER G
IPC: B41J2/025
Filed: 1980-04-18
Granted: 1983-10-11
Abstract: ABSTRACT OF THE DISCLOSURE         A thin film of polyvinylidene fluoride is operated in the piezoelectric thickness mode to stimulate fluid drop formation for ink jet printing systems.  The film is placed against a rigid wall of either rectangular, cylindrical or spherical chambers having at least one nozzle for emitting a continuous stream of fluid from which the drops are formed.  The frequency of the drop generation is related to the frequency of an AC voltage applied across the piezoelectric film.
Patent CA-1138834-A (CA)
Inventor: KLYGIS MINDAUGAS J
IPC: B65D71/06
Filed: 1980-06-06
Granted: 1983-01-04
Abstract: Case 3464 00 BOTTLE PACKAGE AND PACKAGING DEVICE                 Abstract of the Disclosure A packaging device and package created by the packaging device with a plurality of bottles. In a preferred embodiment a highly stretched tubular sleeve of resilient elastic plastic material is positioned about an array of bottles so that the upper extremity of the tube extends in a stretched condition over the shoulder of the bottles as well as substantially covering the cylindrical body portion of the bottles and exerts a resilient compressive force on all areas of contact between the sleeve and bottles to effectively unitize the package.
Patent CA-1133870-A (CA)
Inventor: PLAYER DUANE W
IPC: B02C4/30
Filed: 1980-07-22
Granted: 1982-10-19
Abstract: Abstract The disclosure is directed to an improved roll crusher comprising a central hub mounted on a rotatable shaft, a roll member carried by the hub in concentric relation  thereto,  and  a  pair  of  clamping  rings  for securing the components together.  The roll member and hub have  angular  surfaces disposed in opposed relation to define a pair of annular, axially facing recesses having V-shaped sides.  The clamping rings are constructed to fit into the recesses, each defining inner and outer circum-ferential surfaces which are angled to correspond to the angled surfaces of the hub and roll member.  A plurality of equiangularly spaced bolts connect the clamping rings and hub, drawing the clamping rings toward each other to wedge the roll member radially outward relative to the hub.  As a result, the roll member is fixed in a centered, balanced position relative to the hub.  A plurality of lugs  and  lug  receiving  recesses  cooperate  to  prevent relative rotation between the roll member and hub.  The roll member is formed from material which offers substan-tially greater resistance to abrasion than the material of the hub.
Patent CA-1179965-A (CA)
Inventor: COUGHLIN ROBERT W
IPC: C25C3/00
Filed: 1980-08-21
Granted: 1984-12-27
Abstract: ABSTRACT OF THE DISCLOSURE            Electrochemical gasification of solid carbonaceous materials by anodic oxidation produces oxides of carbon at the anode and hydrogen or metallic elements at the cathode of an electrolysis cell containing in one embodiment an electrolyte having a metallic element as a component.  In another embodiment carbonaceous materials are hydrogenated at the cathode by electro-chemical reactions during which solid carbonaceous material may also be anodically reacted within the anode compartment of an electrolysis cell.