baber/WOPTO huggingface dataset:
Patent CA-2160298-A1 (CA)
Title: Convertible air conditioning unit usable as water heater
Inventor: MACDONALD KENNETH
IPC: F24D17/02
Filed: 1995-10-11
Abstract: An improvement for converting an air conditioner or heat pump system into a water supply heater, including a water cooled condenser having a refrigerant throughflow passageway and a water throughflow conduit for bringing a water supply pumped therethrough into heat exchange relationship with the refrigerant.  A three-way valve connects the compressor to the water-cooled condenser or to an exterior heat exchanger in the air conditioner,  or a reversing valve in the heat pump.          Control system including a water pressure switch for actuating the three-way valve, a refrigerant pressure activated water regulator valve mounted on the inflow side of the water throughflow conduit, and a thermostat, route refrigerant via the three-way valve to the water cooled condenser only when a water supply is desired to be heated, thereby preventing the build-up of  scale in the condenser water conduits.   The control system also switches off the fan of the exterior heat exchanger when the water-cooled condenser is in use.
Patent CA-2163579-A1 (CA)
Title: Ultra-fast mos device circuits
Inventor: GABARA THADDEUS JOHN
IPC: H03K3/03
Filed: 1995-11-23
Abstract: A CMOS coupled-tank oscillator for VLSI circuit applications is disclosed. The coupled-tank oscillator has two inverters coupled, input-to-output, by inductances that may be simply wires, and a capacitance acting in parallel with each inverter that may be, simply, the invert's gate capacitance . The invention permits 0.9-micron CMOS oscillators to produce high-frequency signals.
Patent CA-2166250-A1 (CA)
Title: Information storage medium, method and apparatus for judging authentic and forged information storage medium
Inventor: ITOH NORIYUKI
IPC: B42D15/10
Filed: 1995-12-28
Abstract: An information storage medium has a base portion and a code storage portion. The code storage portion is disposed on the base portion and contains an infrared absorber which absorbs substantially only infrared rays within a narrow wavelength band. If a real information storage medium is produced like that, subject mediums are judged real or not by a method includes the steps of emitting rays to the subject medium, receiving rays reflected from the subject medium, detecting a first reflectance at the peak absorption wavelength (.lambda.0) and a second reflectance at a comparison wavelength (.lambda.1) near the peak wavelength (.lambda.0), and judging if the subject medium is real or not. The rays at the comparison wavelength (.lambda.1) are not very much absorbed by the absorber.
Patent CA-2166589-A1 (CA)
Title: In-line processing of a heated and reacting continuous sheet of material
Inventor: SEIDL PAUL G
IPC: F26B13/20
Filed: 1996-01-04
Abstract: A drying apparatus for a strip of material or web, including a conditioning zone immediately following but fully integrated with the dryer, to lower the bulk temperature of web. The web of material can be introduced to conditioned air which is substantially free of contaminants being evolved from the coating on the web. The temperature of the conditioned air is low enough to absorb heat from the web, effectively lowering the solvent evaporation rate, and can be controlled such that it is greater than the dew point of the contaminants being evolved from the web, thereby mitigating condensation that normally forms and visible vapors that form outside of the dryer enclosure.      Pressure control is provided in the conditioning zone so that solvent vapors will not escape and so that ambient make-up air can be regulated as required. Gas seal between the conditioning zone and the dryer prevents hot, solvent vapor laden air from the dryer from escaping into the conditioning zone.
Patent CA-2166678-A1 (CA)
Inventor: SHANTIE MICHAEL A
IPC: B27G13/08
Filed: 1996-01-05
Abstract: A log-stabbing chipper having; a chipper head that includes a power-driven rotor head and multiple double-edged knives distributed about the rotor head. A detachable wear plate for each knife extends in covering relation over a cutting edge in the knife that occupies an inoperative position. The wear plate establishes a proper depth of cut for the cutting edge of a knife that follows the wear plate.
Patent CA-2166824-A1 (CA)
Title: Shadow probe
Inventor: DANNA DOMINICK
IPC: A61B1/05
Filed: 1996-01-09
Abstract: A device for measuring the size of targets viewed with a borescope having a housing with a longitudinal axis and a distal viewing end with an optically transparent window set therein, a source of target illumination which projects a cone of illumination so that the axis of the cone of illumination is at an angle of less than 90° with the housing axis, a contrasting shadow gener-ated in association with the illumination source so as to project the contrasting shadow on the target, an image detector disposed adjacent to the source of illumination, directed so as to detect the image of the target and the con-trasting shadow, a display for viewing the target and shadow as detected by the image detector, and a measuring device for measuring the parameters of the contrasting images. on the display so that the actual size of the target canbe determined.
Patent CA-2166926-A1 (CA)
Inventor: DEGANI YINON
IPC: H01L23/14
Filed: 1996-01-10
Abstract: Described is a novel packaging of MCM tiles without wire-bond interconnections and in a total thickness which is reduced relative to conventional MCM packaging The MCM tile includes a substrate with a plurality of peripheral metallizations and at least one chip flip-chip mounted on the substrate. The PWB is provided with an aperture which is smaller than the size of the silicon substrate but larger than the outside dimensions of the mounted chips. The substrate is positioned on the PWB so that its ends overlap areas of the PWB adjacent the aperture and the chips fit into the aperture. Peripheral metallizations on the substrate are interconnected to metallizations on the PWB by either solder reflow technology or conductive adhesive technology.
Patent CA-2167742-A1 (CA)
Title: Modulator-Demodulator Device Capable of Detecting an Unsynchronized Frame State
Inventor: MIZUTANI YASUNAO
IPC: H04M11/06
Filed: 1990-06-13
Abstract: A modulator-demodulator device capable of detecting a frame unsynchronized state of a receiver device connected to a network through which the data to be transmitted are maximum likelihood coded and phase modulated, and the coded and modulated data are transmitted; the receiver device comprises: demodulator means for demodulating the phase modulated data; compensating means for compensating for signal deterioration in rotation of the demodulated base band signal; proximate signal point deciding means for deciding one signal point in the proximity of the compensated signal from a plurality of received ideal signal points with respect to the compensated signal delivered from the compensating means; maximum likelihood signal point deciding means for decoding the maximum likelihood coded data, deciding the maximum likelihood coded data by using the compensating signal delivered from the compensating means, and outputting the result of the decision; means for comparing the compensated signal and the one signal point delivered by the proximate signal point deciding means and deriving a first error; means for comparing the compensated signal and the maximum likelihood signal point delivered by the maximum likelihood signal point deciding means and deriving a second error; and means for deriving the difference the first error and the second error. The unsynchronized frame state is detected based on the derived difference.
Patent CA-2169324-A1 (CA)
Title: A method of providing a substrate with a hydrophilic coating and substrates, particularly medical devices, provided with such coatings
Inventor: ZHONG SHENG-PING
IPC: A61M25/00
Filed: 1996-02-12
Abstract: A substrate such as a catheter or a guide wire is provided with a lubricous, hydrophilic abrasion-resistant coating by: a) coating said substrate with a first aqueous coating composition comprising an aqueous dispersion or emulsion of a polymer having organic acid functional groups and a polyfunctional crosslinking agent having functional groups being capable of reacting with organic acid groups, and drying the coating to obtain a substantially water-insoluble coating layer still including functional groups being reactive wit~ organic acid groups, and b) contacting the dried coating layer obtained in a) with a second aqueous coating composition comprising an aqueous solution or dispersion of a hydrophilic polymer having organic acid functional groups, and drying the combined coating, the hydrophilic polymer thereby becoming bonded to the polymer of the first coating composition through the crosslinking agent. The drying can be carried out at ambient (room) temperature.
Patent CA-2171525-A1 (CA)
Inventor: SIVACOE ORLANDE
IPC: F16L55/40
Filed: 1996-03-11
Abstract: A method of making a rotationally symmetric pipe pig in which abrasive material is distributed to the periphery of the pipe pig by centrifuging the pipe pig. The pipe pig is cylindrical with a central axis and the pipe pig is centrifuged about its central axis. Such a pipe pig may also include a plurality of appendages disposed about and extending radially outward from the body of the pig.  The combined cleaning function of the appendages and abrasive provides an efficient cleaning function.
Patent CA-2171668-A1 (CA)
Title: Expression system which can be regulated
Inventor: BOECK AUGUST
IPC: C12N15/113
Filed: 1996-03-13
Abstract: An expression system can be regulated by acetate, pH and oxygen, which expression system includes a trans-acting regulator protein and a promoter which can be activated by this protein.  Any desired structural genes are maximally expressed under the control of the expression system at an oxygen partial pressure, Po2, of 0-5% and a pH of 6.0-6.5, and in the presence of acetate at a concentration of 40-60 mM.  There is also a process for preparing this expression system, and a process for using this expression system.
Patent CA-2172939-A1 (CA)
Title: Process for preparing lithium intercalation compounds
Inventor: VAN GHEMEN MAX
IPC: C01G45/00
Filed: 1996-03-28
Abstract: The invention relates to a process for preparing lithium intercalation compounds by thermal solid state reaction of mixtures of lithium hydroxide or lithium oxide and oxides or oxide precursors of transition metals. The essential step of this process is the treat-ment of an aqueous suspension of the raw material compo-nents lithium hydroxide or lithium oxide and metal oxide or metal oxide precursors with hydrogen peroxide, result-ing in the lithium compound going into solution. In the drying of the mixture, the lithium hydroxide is very uniformly absorbed onto the metal oxide. Calcination at temperatures between 450 and 700°C results in complete reaction to form the lithium intercalation compound in less than 5 hours.
Patent CA-2174541-A1 (CA)
Title: Activated carbon oxygen absorber
Inventor: MCKEDY GEORGE EDWARD
IPC: C09K15/02
Filed: 1994-11-07
Abstract: An oxygen-absorbing composition (16) is contained in an envelope (11) of spun-bonded polyolefin with a seam (12), having the first end portions fused at (14) and the second end portions fused at (18). The oxygen-absorbing composition (16) contains a particulate annealed electrolytically reduced iron (about 100 to about 325 mesh) in an amount up to 63 % by weight, a salt such as NaCl in an amount up to about 3.5 %, and a water-supplying component comprising activated carbon (about 20 to about 50 mesh) with liquid water therein to the amount of up to about 85 % of the composition in an envelope (11) which will resist the passage of liquid water out of the envelope, but will permit flow of oxygen into the envelope at a satisfactory rate.
Patent CA-2174610-A1 (CA)
Inventor: SOUDER BLAIR V
IPC: B29C45/26
Filed: 1996-04-19
Abstract: The plastic substrate portion of the part is formed by a first injection of plastic into a mold, so as to adhere to an overlying sheet of coverstock material. A portion of the coverstock is not initially adhered to the substrate. A second injection of plastic forms the undecorated portion of the part, and bonds to thesubstrate portion to form a unitary plastic panel. In the course of contacting the substrate portion, the plastic from the second injection folds and hides the non-adhered portion of the cover stock, thereby forming a neat, clean split line.
Patent CA-2176049-A1 (CA)
Inventor: SOBHANI MOHI
IPC: H01R39/64
Filed: 1996-05-08
Abstract: A rotary connector (10) employing rolling conductive members (18). Two or more electrically isolated assemblies (15) comprising pairs of printed wiring boards (16a, 16b) or flexprint circuits (16a, 16b) are disposed in a housing (11). The printed wiring boards (16a, 16b) have conductors disposed on adjacent surfaces. The conductors are electrically connected using the rolling conductive members ( 18). An insulating spacer (21) is disposed between the metallic conductors of each of the printed wiring boards (16a, 16b) that hold them in place. The assemblies (15) are disposed adjacent each other, and a shaft (13) is secured to selected printed wiring boards (16a). The shaft (13) is rotatably secured to the housing (11) using a rotary bearing (14), and the other printed wiring boards (16b) are secured to the housing (11). The printed wiring boards (16a, 16b) have electrical wires (31)soldered thereto that permits the flow of electrical signals through the rotary connector (10), and which may be routed to electrical connectors (32) or sensors (32). A retainer (25) secures the assemblies (15) together to maintain pressure between the metallic conductors and the rolling conductive members (18). Thus, the shaft (13) is secured to one set of printed wiring boards (16a) and is rotatable relative to the housing (11) due to the bearing (14). The other printed wiring boards (16b) are fixed relative to the housing (11). The rotation of the shaft (13) therefore causes rotation of the one set of printed wiring boards (16a) relative to the other set of boards (16b), while electrical conduction is maintained between the conductors by means of the plurality of rolling conductive members (18).
Patent CA-2180958-A1 (CA)
Title: Magnetic flowmeter
Inventor: SCARPA THOMAS J
IPC: G01F1/60
Filed: 1995-12-06
Abstract: A flowmeter (10) for measuring the velocity of a fluid has a means (50) for producing a magnetic field transverse to the direction (A) of fluid velocity thereby inducing a voltage potential in the fluid. The magnetic field producing means could use either electromagnets or permanent magnets. Two primary electrodes (40) in electrical contact with the fluid, spaced apart along a first line transverse to the direction of the magnetic field and transverse to the direction of the fluid velocity sense the induced voltage potential and a background voltage across the fluid. Two secondary electrodes (42) in electrical contact with the fluid, spaced apart along a plane parallel to the direction of the magnetic field and parallel to the direction of the fluid velocity sense the background voltage across the fluid. A signal processing means (72), responsive to the primary and secondary electrodes, generates a velocity signal representative of the magnitude of the velocity of the fluid. A magnetic sensor means (52) senses the magnetic of the magnetic field across the fluid and means in the signal processing means corrects the velocity signal for any fluctuations in the magnetic field.
Patent CA-2181468-A1 (CA)
Title: Bondable fastener for holding structural or functional parts on support elements
Inventor: LESSER HANS-JUERGEN
IPC: B29C45/00
Filed: 1995-01-05
Abstract: The bondable fastener serves to hold structural or functional parts on essentially flat support elements. It consists of an adhesive-functional zone for establishing an adhesive bond with surface of the support element and at least one other holding ::one for establishing positive or non-positive connections with the structural part. The adhesive functional zone has a bonding surface that is provided with a hardenable and/or cross-linkable reactive hot-melt-type adhesive that is dry, i.e. is wearproof and non-viscous, at temperatures up to 80° C and that can very quickly be reactivated to establish a permanent adhesive bond when heat or some other form of energy is applied. The hot-melt-type adhesive used for this purpose is based on specific backbone bonding agents that set and harden through polymerization, polyaddition and/or polycondensation reaction mechanisms.
Patent CA-2181546-A1 (CA)
Title: Oligonucleotides with anti-respiratory syncytial virus activity
Inventor: KILKUSKIE ROBERT E
IPC: C07H21/00
Filed: 1995-02-17
Abstract: Disclosed are oligonucleotides which hybridize to a portion of respiratory syncytial virus (RSV) genomic RNA under physiological conditions, and, in doing so, inhibit viral replication. Also disclosed are pharmaceutical compositions and methods useful for inhibiting and treating RSV infection and including at least one or two of these oligonucleotides, or at least one of these oligonucleotides and ribavirin.
Patent CA-2182959-A1 (CA)
Title: Holder for annealing fiber optic coils
Inventor: CRONK BRYON J
IPC: G02B6/02
Filed: 1995-01-31
Abstract: A holder for annealing a fiber op-tic coil uses a silica ring on a silica substrate, or silica tubular coil, either of which may be directly incorporated into a coil subassembly for a Faraday-effect current sensor.  The ring may be formed in a silica plate by sandblasting or grind-ing, or formed separately and adhered to the plate.  In the tubular holder embodi-ment, silica tubes and sleeves are used to protect fusion splices between the ends of the fiber coil and polarizing fibers.  Use of silica for most of the subassembly com-ponents matches the coefficients of ther-mal expansion of the subassembly to that of the fiber coil, and also allows the coil to be annealed at extremely high tempera-tures.  Annealing yields fiber coils of low-ered birefringence, particularly when used with spun fibers. Ferrules are used to ad-just the angular orientation of the fibers with respect to their planes of polariza-tion.
Patent CA-2183922-A1 (CA)
Title: Rail car side frame car progressor contact
Inventor: BERG THOMAS R
IPC: B61F5/52
Filed: 1996-08-22
Abstract: A rail car truck side frame has an upper compression member and a lower tension member, with these members being joined by integral end walls which slant upwardly and outwardly from the tension member toward the compression member. To protect the side frame from the elements of car progressors, there is a car progressor contact extending forwardly from the lower outward portion of each end wall of the side frame. The contact is formed and adapted to be contacted by and protect the side frame from the pusher of a car progressor. The car progressor contact may either be cast into the side frame or it may be a separate welded element. When the side frame is used in a frame brace truck, the car progressor contact may extend outwardly from the bracket which is attached to the side frame and supports the cross braces of the truck.
Patent CA-2188012-A1 (CA)
Inventor: CARLNAS TORBJOERN
IPC: G02B6/02
Filed: 1995-04-24
Abstract: An air bubble in the core of an optical fibre constitutes a broad band reflector to light waves propagated in the fibre. A fibre end is first stripped and cut in the conventional way, after which in the end surface, a pit in the core region is produced by etching. The fibre end is therefore treated with e.g. diluted hydrofluoric acid, that etches the higher doped core more rapidly than the cladding.      The etched fibre end is then welded to a standard fibre so that a splice is obtained where the desired air bubble is enclosed in the fibre core. The magnitude of the reflectance of the produced reflector can then be changed by repeated heating steps, in the same way as in welding of the splice and/or by filling the bubble with another medium than air or by a coating one of its walls with a suitable material, e.g. a metal.
Patent CA-2191216-A1 (CA)
Title: Foldable rake implement
Inventor: DARNELL CLETE
IPC: A01D7/10
Filed: 1995-05-25
Abstract: A foldable rake implement (10) includes an elongated handle (12) having a proximal end (14) to be grasped by the user and a distal end (16). An articulated frame structure (18) is attached to the handle at the distal end. The articulated frame structure includes a central axis of articulation dividing the frame structure into two mirror-image first (18A) and second (18B) frame halves. The axis of articulation is coaxial with the handle and defines an axis about which the articulated frame structure moves between an unfolded position whereat the firstand second frame halves of the frame structure symmetrically project outwardly to opposite lateral sides of the handle and a folded position whereat the first and second frame halves are moved toward each other and into generally mutual overlaying relationship. The articulated frame structure further includes a plurality of spaced-apart tines (20), a plurality of first transverse fingers (22) projecting outwardly from one side of the first frame half, and a plurality of second transverse fingers (24) projecting outwardly from one side of the second frame half opposite the first fingers.
Patent CA-2191613-A1 (CA)
Title: Chemiluminescent signal enhancement
Inventor: MURRAY ADRIAN JOHN
IPC: G01N33/58
Filed: 1995-06-16
Abstract: The present invention provides a method for generating an enhanced chemiluminescent signal from an acridinium sulfonamide compound, the method comprising the step of contacting the acridinium sulfonamide compound with a trigger solution in the presence of an enhancer to obtain a chemiluminescent signal which is stronger than would otherwise be generated in the absence of said enhancer. The enhancer comprises at least one member selected from the group consisting of nonionic surfactants, zwitterionic surfactants, and anionic surfactants.
Patent CA-2191965-A1 (CA)
Title: Composite articles for separating mercury from fluids
Inventor: HADDAD LOUIS C
IPC: B01D15/00
Filed: 1995-05-15
Abstract: Composite articles are useful for separating mercury from fluids. The composite articles can be porous supports comprising an inert substrate having immobilized thereon finely divided gold optionally in combination with a tin salt coating. The porous support can be a particulate or porous fibrous web. Alternatively, the composite articles can comprise a porous fibrous membrane having enmeshed therein the aforementioned porous supports which can be in particulate or fibrous forms. The method for separating elemental, ionic, or organic mercury in fluids comprises the steps of contacting and passing a fluid containing mercury through a support comprising a porous, high surface area, inert substrate on which is immobilized finely divided elemental gold at a controlled rate for a time sufficient for the mercury to sorb to the elemental gold and to provide an immobilized gold-mercury amalgam on the support. If a tin salt also is immobilized on the inert substrate, mercury-tin salt can also be formed. In a further, and optional, step, elemental mercury can be removed from the support and optionally can be quantified.