baber/WOPTO huggingface dataset:
Patent CA-2022529-A1 (CA)
Title: Apparatus for page tagging in a computer system
Inventor: JENSEN ERIC H
IPC: G06F12/08
Filed: 1990-08-02
Abstract: A caching system which includes a main memory divided into a predetermined number of pages having a predetermined number of columns and lines of storage elements, a cache memory having the same number of lines of storage elements as the pages of main memory and a number of columns sufficient to store the information in any line of main memory plus the address of the information in main memory, apparatus for transferring between cache memory and main memory information and addresses indicative of the position in main memory represented by any particular information in cache memory, the addresses including an offset indicating the particular line of the page of mainmemory and a number of bits indicating only one of a limited number of pages which may be stored in the cache at one time, and a page number cache having a line number equal to the number of pages which may be stored in the cache and a column number sufficient to store the tag address of a line stored in the cache.
Patent CA-2028543-A1 (CA)
Inventor: MATSUOKA HARUHIKO
IPC: E02B7/20
Filed: 1990-10-25
Abstract: An air inflation/deflation weir having an air bag made of a flexible film attached to the bed and the vertical bank of a river and adapted to be inflated and deflated by charging and discharging air into and from the inside of the air bag, wherein the effect of the change of the atmospheric air temperature on the inner pressure of the air bag is eliminated and the inner pressure of the air bag is always maintained to a predetermined value so as to inflate and rise the weir to a predetermined height in accordance with the detected water levels at the upstream and the downstream of the weir. An abnormally high or low inner pressure of the bag air which would otherwise cause burst or buckling of the air bag, or lead to flooding disaster can be prevented.
Patent CA-2032057-A1 (CA)
Title: Circuit and method for improved dimming of gas discharge lamps
Inventor: SULLIVAN CHARLES R
IPC: H05B41/232
Filed: 1990-12-12
Abstract: A control  system for providing electrical  power from a source to at least one gas discharge lamp comprises a circuit for providing to the lamp an ac component of current at a first frequency and a circuit for simulta-neously providing to the lamp an ac component of current at a second,  and substantially lower,  frequency.   There is established a composite current waveform in the lamp which substantially eliminates the occurrence of visible stria-tions.
Patent CA-2032518-A1 (CA)
Title: Mutant enzyme having reduced stability under industrial application conditions
Inventor: VAN EIJK JAN H
IPC: C12N1/21
Filed: 1990-06-27
Abstract: ABSTRACT            Mutant enzyme having reduced stability under industrial application conditions A mutant enzyme is provided which exhibits reduced stability under industrial application conditions. As an example mutant bacterial .alpha.-amylase is provided which has reduced thermostability during baking conditions. This modified .alpha.-amylase can be suitably used for improving both loaf volume and crumb softness of bread products without causing any danger of overdextrination.
Patent CA-2037029-A1 (CA)
Inventor: SAIJO YATSUSE
IPC: G10D3/14
Filed: 1991-02-25
Abstract: ABSTRACT OF THE DISCLOSURE       A tremolo device for a guitar includes a flat plate pivotably mounted relative to a guitar body, another plate secured on an under surface of the flat plate, a first fulcrum part of the flat plate for a pivotting thereof to lower a tone of the guitar, a second fulcrum part of another plate for a pivotting thereof to raise the tone of the guitar, and screws fitted to the guitar body and in contact with both fulcrum parts.  When a tremolo arm is inactivated, the plates come into contact with the screws at both the first fulcrum part and the second fulcrum part, and when activating the tremolo arm, either one plate or another plate comes into contact with the screws and is rotated about either of the fulcrum parts.
Patent CA-2037365-A1 (CA)
Title: Polymers
Inventor: SARKAR MANISH
IPC: C09D137/00
Filed: 1991-02-28
Abstract: ABSTRACT POLYMERS    The invention provides a co-polymer comprising a hub portion from which radiate from 3 to 8 arms, where the hub portion being the residue of a trifunctional to octafunctional thiol and each arm is an addition polymer comprising structural units and functional units where the functional units contain hydrolysable group-bearing silicon atoms,  optionally additional  functional units each of which contain crosslinking groups that are the same or different and that are compatible with each other  and  the  hydrolysable  group-containing  silicon atoms  and   optionally   auxiliary   functional   units containing wetting groups.
Patent CA-2038639-A1 (CA)
Title: Method for preparing an oriented and textured magnetic material
Inventor: TOURNIER ROBERT
IPC: C01G1/00
Filed: 1991-03-19
Abstract: A METHOD FOR PREPARING AN ORIENTED AND TEXTURED               MAGNETIC MATERIAL          ABSTRACT OF THE DISCLOSURE   A   method  for  preparing  an  oriented  and  textured magnetic  compound, comprising  the steps  of preparing  a composition  at  a  temperature  such  that  it  comprises crystallites  of the compound in the presence of a liquid; subjecting  the composition  to a magnetic force producing crystallite  sedimentation; cooling  down the  composition in  the presence  of a  magnetic force  while  applying  a suitable  temperature gradient  for improving the develop-ment of a desired texture in the sedimentation area.
Patent CA-2041022-A1 (CA)
Title: Wall bushing for an electric cable
Inventor: LENCOT JACQUES G
IPC: H01B17/28
Filed: 1991-04-23
Abstract: ABSTRACT OF THE DISCLOSURE             Wall bushing for an electric cable The invention relates to a wall bushing for an electric cable. According to the invention, the bushing includes a conductive core (11) extending along an axis (3), an insulating, one-piece sleeve (2), surrounding the conductive core (11) so as to produce a clamping force thereon and bearing, at least on an axially median external surface portion, a coating (10) suitable for ensuring the guiding of an electric field originating in the sleeve (2), the said coating (10) being disposed axially in such a way that it extends over a certain length on either side of the said wall (40), fixing means (20) for fixing the sleeve (2) on the said wall (40) and electrical connection means (20, 40) for electrically connecting the conductive coating (10) to a reference potential.     Figure 1.
Patent CA-2041794-A1 (CA)
Title: Cyclohexenone oxime ethers, their preparation, intermediates for their preparation and their use as herbicides
Inventor: MISSLITZ ULF
IPC: C07D409/12
Filed: 1991-05-03
Abstract: O.Z. 0050/41596 ABSTRACT OF THE DISCLOSURE: Cyclohexenone oxime ethers of the formula I                           (I)   (R1 = C1-C6-alkyl; A  = substituted or unsubstituted alkylene or alkenylene; Z  = a 5-membered or 6-membered heteroaromatic structure; X  = substituted or unsubstituted amino, nitro, cyano, halo-gen, alkyl, C1-C4-alkoxy, C1-C4-alkylthio, C1-C4-halo-alkyl, C1-C4-haloalkoxy, carboxyl, C1-C4-alkoxycarbonyl, substituted or unsubstituted benzyloxycarbonyl and phenyl; n  = 0 to 3,   or    1 to 4 where Z is halogen-substituted pyridyl; and R2 = alkoxyalkyl or alkylthioalkyl;      substituted or unsubstituted cycloalkyl or cycloalkenyl; a substituted or unsubstituted 5-membered saturated heterocyclic structure which contains one or two hetero atoms;  a substituted or unsubstituted 6-membered or 7-membered saturated or mono- or diunsaturated hetero-cyclic structure containing one or two hetero atoms; a substituted or unsubstituted 5-membered heteroaromatic structure containing one to three hetero atoms;  substi-tuted or unsubstituted phenyl or pyridyl) and their agriculturally useful salts and esters of C1-C10-carboxylic acids and inorganic acids.          The compounds are suitable as herbicides.
Patent CA-2042164-A1 (CA)
Title: A communication network
Inventor: ENG KAI Y
IPC: H04B10/20
Filed: 1991-05-09
Abstract: A communications network comprising a plurality of "subnetworks" multiplexed onto a single communications medium. A separate group of network interface units (NIUs) communicate on each predetermined "subnetwork", and each NIU also includes a tunable transmitter for transmitting data to NIUs of other subnetworks. Data from a user equipment is transmitted via the tunable transmitter if it is destined for an NIU from another subnetwork, and via a fixed transmitter if it is destined for an NIU on the same subnetwork. In one embodiment, fiber optics is utilized in order to provide a high speed network with tunable lasers. (FIG. 2).
Patent CA-2043472-A1 (CA)
Title: Electrode for secondary battery
Inventor: MIYABAYASHI MITSUTAKA
IPC: H01M4/74
Filed: 1991-05-29
Abstract: Abstract of the disclosure Disclosed is an electrode for secondary battery, which comprises an alkali metal as the active substance carried on a carrier composed of (1) 100 parts by weight of a carbonaceous material satisfying the following conditions:      (A) a hydrogen/carbon atomic ratio of less than 0.15 and (B) a spacing (d002) of the (002) plane according to the X-ray wide angle diffraction method of 3.37 .ANG. or more and a crystallite size in the c-axis direction (Lc) of 5 .ANG. or more, and 0 to 70 parts by weight of a metal capable of forming an alloy with the active substance or an alloy of said metal and (2) 0.1 to 40 parts by weight of a fibrous organic polymer as the binder, which can give a negative electrode having excellent charging and discharging cycle characteristics and good flexibility to obtain secondary battery having large charging capacity.
Patent CA-2046946-A1 (CA)
Inventor: KAWAI KIYOYUKI
IPC: H04N5/21
Filed: 1991-07-12
Abstract: ABSTRACT OF THE DISCLOSURE     A television signal transmitter for transmitting a conventional television signal as a main signal according to a VSB system, and in-phase modulating the main signal in a DSB region of the VSB region and multiplexing the main signal with a sub signal having an orthogonal modulation.          The transmitter has a first inserting circuit for inserting a reference signal into a first specific period within a vertical blanking period of the main signal, a second inserting circuit for inserting a second reference signal into every other frame of the main signal in a second specific period of within a vertical blanking period of the main signal, a first interrupting circuit for interrupting the transmission of the first reference signal to inspect for ghost images of the sub signal in the first specific period and its immediately preceding scanning period and a second interrupting circuit for interrupting the transmission of the second reference signal to inspect for ghosts of the sub signal in the second specific period of frames in which the second reference signal is not inserted.
Patent CA-2047771-A1 (CA)
Inventor: MORI HARUYOSHI
IPC: H03K17/12
Filed: 1991-07-24
Abstract: A semiconductor control apparatus in which a plurality of semiconductor control elements each of which has a pair of main circuit electrodes and a control electrode is provided.          Each load-side of a pair of main circuit electrodes of each semiconductor control element are connected in common and the control electrodes are controlled by a common control power supply so as to control the conductance between the main circuit electrodes.  A transformer having a first coil and a second coil which is made to have the same polarity as that of the first coil is disposed in each of the semiconductor control elements.  The first coil is inserted between the control power supply and the load-side main circuit electrode, and the second coil is inserted between the control power supply and the control electrode.
Patent CA-2049973-A1 (CA)
Title: Intralumenal drug eluting prosthesis
Inventor: HULL VINCENT W
IPC: A61F2/90
Filed: 1991-02-19
Abstract: A prosthesis for insertion into a lumen to limit restenosis of the lumen. The prosthesis carries restenosis-limiting drugs which elute after the device is positioned in the lumen.
Patent CA-2055339-A1 (CA)
Title: Biocompatible gradient controlled release implant
Inventor: MCMULLEN JEAN N
IPC: A61K9/58
Filed: 1991-11-12
Abstract: A biocompatible and/or biodegradable implant for the substantially constant release, by diffusion, of a therapeutic agent in the outside medium at the site of implant which comprises a body consisting of a core defining a solid mass having walls and being formed of a first biocompatible and/or biodegradable polymeric material and having embedded therein a plurality of solid particles of a therapeutic agent which allows for the diffusion of the therapeutic agent from the core in the outside medium; and a coating of a second biocompatible and/or biodegradable polymeric material which prevents the diffusion of the therapeutic agent in the outside medium and the coating covering all but one of the walls.      When biodegradable polymers are used, the degradation half-life of the first and second polymeric materials is longer than the diffusion half-life of the therapeutic agent. The plurality of solid particles of therapeutic agent having varying dimensions, the sizes of which increase from one surface of the core facing the diffusion medium to an opposite wall thus defining a mixture having a concentration gradient; this allows a diffusion of the therapeutic agent at a substantially constant rate. The implant is particularly useful for the slow release of a therapeutic agent in a body fluid.
Patent CA-2056250-A1 (CA)
Inventor: OHBA HIROYUKI
IPC: C08K3/00
Filed: 1991-11-26
Abstract: ABSTRACT OF THE DISCLOSURE   Disclosed herein are a polyvinyl alcohol product obtained by heat-treating a melt-molded polyvinyl alcohol product composed of a poly-vinyl alcohol composition containing 0.01 to 3.0 mmol of a metal com-pound based on 1 g of polyvinyl alcohol; a polyvinyl alcohol product obtained by stretching a melt-molded poly-vinyl alcohol product composed of a polyvinyl alcohol composition con-taining 0.01 to 3.0 mmol of a metal compound based on 1 g of polyvinyl alcohol; and a multi-layer product comprising at least one inner layer of a melt-molded product composed of a polyvinyl alcohol composition contain-ing 0.01 to 3.0 mmol of a metal compound based on 1 g of polyvinyl al-cohol.
Patent CA-2056641-A1 (CA)
Title: Heterofunctional macromer compound, its preparation and polymer derived therefrom
Inventor: YAMADA MITSUO
IPC: C08F238/00
Filed: 1991-11-29
Abstract: Abstract of the disclosure A heterofunctional macromer represented by the formula:             in which R1 is H or C1-C4 alkyl; R2 is a (poly) lactone or (poly) ether chain; X1 is -COO-, -COOCH2CH2OCO-, -CONHCOO-, -COOCH2CH2NH-COO- or         group;            X2 is -O-, -COO- or -OCO-NH-R3-NHCOO- group;          R3 is -C1-C6 alkylene, aromatic or alicyclic group;          A is -CH2-, -C(CH3)2- or   group; and reactive polymers derived from said macromer
Patent CA-2056939-A1 (CA)
Title: Absorbable Dusting Powder Derived from Starch
Inventor: FITT LARRY E
IPC: A61Q1/12
Filed: 1991-12-04
Abstract: Absorbable dusting powders suitable for medical applications such as lubricating surgical gloves are prepared by treating starch with a hypochlorite to remove protein and oxidize some of the hydroxyl groups, and partially cross-linking the hypochlorite-treated starch with phosphorus oxychloride.  The modified starch dusting powders are free flowing and are characterized by a protein content of less than about 0.15% by weight, hydroxyl groups oxidized to a level of from about 0.5 to about 0.05% by weight and a degree of cross-linking of other hydroxyl groups characterized by bound phosphorus levels of from about 200 to about 1200 ppm.
Patent CA-2059942-A1 (CA)
Inventor: GRAF EDWARD J
IPC: F16B5/12
Filed: 1992-01-23
Abstract: G-3,576 MOLDING AND RETAINER ASSEMBLY     Abstract of the Disclosure The disclosure relates to a plastic reveal molding and retainer assembly for attachment to an apertured side body or door panel of an automotive vehicle.  The retainer has a planar bottom portion which can be readily attached to the panel, a pair of deflectable end portions which are integrally connected to the bottom portion via living hinges and a deflectable barbed fastener integral with the bottom portion and projecting transversely therefrom.  The molding is elongated, has an arcuate shape, as viewed in cross section, and has pairs of spaced chordally extending flanges adjacent its opposite ends and a pair of spaced apertured flanges at its center.  The molding is attached to the retainer by moving the same thereover so that the end portion of the retainers are captured between the pairs of chordally extending flanges and so that the central flanges are snap fitted over the barbed fastener with a force fit to hold the molding in place.  the end portions of the retainer each have a ferrule which is received through an aperture in the panel when the molding is assembled thereto.  Threaded fasteners are then screwed into the ferrule from the back surface of the panel to pull the end portions of the retainer and the molding ends into tight engagement with the front surface of the panel.
Patent CA-2060634-A1 (CA)
Inventor: JUBB CHRISTOPHER
IPC: C01B13/11
Filed: 1992-02-04
Abstract: ABSTRACT PRODUCTION OF GAS   Gaseous ozone is formed by vaporising a stream of liquid oxygen in a heat exchange coil and passing it through an ozonator 34 in which it is subjected to a silent electrical discharge.  The oxygen enters the ozonator 34 at a temperature below ambient.  This sub-ambient temperature is created by evaporating liquid oxygen in the stream of oxygen in a chamber 24 upstream of the ozonator 34.  Operating the ozonator 34 in such a way enhances the yield of ozone.
Patent CA-2060830-A1 (CA)
Title: Heat exchanger with reduced core depth
Inventor: HUGHES GREGORY G
IPC: F28F27/02
Filed: 1992-02-07
Abstract: ABSTRACT The  core  depth  of  a  heat  exchanger  having parallel, tube-like headers (10, 12; 62, 64) may be reduced through the use of a plurality of second heat exchange fluid conduits (26, 126) located in side by side relation and each having a first port  (30,  60,  178)  in fluid communication with one of the headers (12, 62) and a second port (32, 168, 174) in fluid communication with the other of the headers  (10, 64)  and each defining a serpentine fluid flow path between the ports (30, 32, 166, 168, 174, 178) having a plurality of passes (36, 38, 40, 42, 44; 140, 142,  144,  146; 184, 186, 188)  in side by side relation together with fins 28 embracing and bonded to the conduits (26, 126).
Patent CA-2060904-A1 (CA)
Title: Method and means for controlling the frequency and power output of a tunable diode laser
Inventor: ZAHNISER MARK S
IPC: H01S5/06
Filed: 1992-02-10
Abstract: METHOD AND MEANS FOR CONTROLLING THE FREQUENCY    AND POWER OUTPUT OF A TUNABLE DIODE LASER                      ABSTRACT OF THE DISCLOSURE    In a laser emitter-receiver system, a tunable diode laser provides a beam of coherent light having a selected frequency.  An infrared detector spaced from the source detects the light transmitted along the beam path between the source and the detector and produces a corresponding output in response thereto.  A heating laser provides radiation to the diode laser to heat, and thereby to change the frequency of, the latter laser.  The radiation from the heating laser is varied periodically to modulate the intensity of the radiation incident on the diode laser thereby to frequency-modulate the diode laser output over a selected tuning range.  A controller responsive to the detector output regulates the current to the diode laser to minimize selected frequency components of the modulated light beam from that laser so that the power output of the diode laser varies minimally when that laser is tuned over the selected tuning range?.
Patent CA-2065710-A1 (CA)
Title: Gripper apparatus for electric motor components
Inventor: ANDORLINI GIUSEPPE
IPC: B25J15/08
Filed: 1992-04-09
Abstract: Gripper apparatus for electric motor components that can be used to grip components of different sizes, and that can rotationally index electric motor components of different sizes, is provided. The gripper apparatus has two oppositely facing gripper arms with complementary V-shaped faces sized to accommodate a range of sizes of components.      The arms are moved together in unison to center and grip the component. After the component has been gripped, an indexing pawl rotates the component.      A tooth is urged against the component and stops the rotation when it enters a depression or slot in the component, indicating that the desired angular position has been reached.
Patent CA-2067024-A1 (CA)
Title: Method for optimized tape tension adjustment for a tape drive
Inventor: STEINBERG MITCHELL R
IPC: G11B33/10
Filed: 1992-04-24
Abstract: ABSTRACT OF THE DISCLOSURE     A method for selecting an optimal operating tension of a motor driven tape in a tape drive is disclosed. The tape is loaded into the tape drive. A test signal is applied to record test information onto the tape while the tape tension is varied concurrently in a prescribed manner for testing. The recorded test information is read immediately to provide a test readback signal. The test readback signal is processed to determine a functional relationship between the test readback signal and the varying tape tension. An operating tape tension value is selected based upon the functional relationship. The selected operating tape tension is implemented on the tape drive in the form of a command signal to a motor means of the tape drive.     Figure 1.
Patent CA-2067277-A1 (CA)
Title: Amine salts of sulfur-containing alkylated phenols or alkylated naphthols as multifunctional antioxidant and antiwear additives
Inventor: GOYAL ARJUN K
IPC: C10N60/00
Filed: 1992-04-27
Abstract: F-5980-L(SGC) AMINE SALTS OF SULFUR-CONTAINING ALKYLATED PHENOLS OR ALXYLATED NAPHTHOLS AS MULTIFUNCTIONAL ANTIOXIDANT AND              ANTIWEAR ADDITIVES     ABSTRACT            Amine salts of sulfur-containing alkylated phenols or alkylated naphthols, have been found to be effective multifunctional antioxidant and antiwear additives for lubricants.
Patent CA-2067412-A1 (CA)
Title: Myocardial revascularization through the endocardial surface using a laser
Inventor: JEEVANANDAM VALLUVAN
IPC: A61B19/00
Filed: 1992-04-28
Abstract: Myocardial revascularization is performed by an apparatus and method which forms channels in the myocardium from inside the ventricular cavity without penetrating the full thickness of the ventricular wall. A catheter has a fiber optic connected at its handling end to a laser, and terminates at the insertable end of the catheter. A servomotor controls the advancing of the fiber to stop positions relative to the catheter. At each stop position another channel is created. An aiming beam aids in directing the channel forming fiber end to different desired channel positions.