baber/WOPTO huggingface dataset:
Patent CA-2095368-A1 (CA)
Title: System and method for decoding tail-biting code especially applicable to digital cellular base stations and mobile units
Inventor: YEHUSHA MOSHE
IPC: H03M13/41
Filed: 1993-05-03
Abstract: ABSTRACT A digital cellular system (10) employs a decoder that decodes control messages encoded by a convolutional tail-biting encoding procedure.  The control messages (57) contain 65 bits that are encoded in a 260 bit data frame (59).  The decoder reads (112) the first x quadruple bits and writes them also at the end of the data frame bit stream.  A Viterbi decoding algorithm (114) is applied to the modified bit stream for x plus 65 steps.  A bit stream of (65+x) bits is selected (116) from a best value path and y first bits are discarded from the selected stream.  The output decoded message (118) includes bits (y+1) through(y+65).
Patent CA-2096827-A1 (CA)
Title: Airborne wind shear detection weather radar
Inventor: KUNTMAN DARYAL
IPC: G01S13/95
Filed: 1991-11-27
Abstract: An airborne wind shear detection radar includes a transmitter (28) for transmitting successive radar beams into airspace in front of an aircraft and a receiver (28) for receiving reflected signals. The radar analyzes the received reflected signals in the frequency domain to determine if a wind shear condition exists in the airspace in front of the aircraft.
Patent CA-2097727-A1 (CA)
Inventor: THOMAS DENNIS A
IPC: A61F13/15
Filed: 1991-12-16
Abstract: The invention is a refastenable mechanical fastening system, made of free formed prongs (22) joined to a substrate (24). The prongs (22) taper and are nonperpendicularly oriented relative to the plane of the substrate.  The prongs (22) also have an azimuthal angle relative to the machine direction of the substrate.  Each prong (22) has an engaging means (30) projecting laterally from the periphery of the prong. The free formed prongs are manufactured by the process of depositing liquid material onto a moving substrate, stretching the liquid material in a direction parallel to the plane of the substrate, severing the stretched material to form the distal end and engaging means of the prong, and imparting an azimuthal angle to the prong. The advantageous usage of the fastening system in an article of manufacture,  such as a disposable absorbent garment, specifically a diaper, is also disclosed.
Patent CA-2097925-A1 (CA)
Title: Woven fabric for a papermaking machine or the like, and method of manufacturing such a fabric
Inventor: RYDIN BJOERN
IPC: D21F1/00
Filed: 1991-12-17
Abstract: 2097925 9211412 PCTABS00014 A woven fabric, such as a base fabric for a press felt, which is designed for a papermaking machine or the like has along each one of two end edges a plurality of seam loops (11-14) to be included in a loop seam to form an endless woven fabric. The fabric is characterised in that there is provided, at least at one of the end edges, at least one string of material, preferably in the form of one or more extra yarn threads (30), extended substantially parallel to the above-mentioned one end edge adjacent the regular thread system (V1-V4) of the fabric. The extra yarn thread or threads (30) are woven to only such portions of the seam loops (11-14) as are facing a first side of the fabric, preferably the paper side thereof. In this manner, there is formed in the seam zone a type of extension of the regular thread system of the fabric, whereby the loop seam is conformed to the rest of the fabric to avoid markings in a paper web at the loop seam.
Patent CA-2101762-A1 (CA)
Inventor: MASON RENATO
IPC: C08L9/02
Filed: 1993-08-02
Abstract: Abstract CALENDRABLE MODIFIED PROPLYLENIC PLASTICS MATERIAL WELDABLE AT HIGH FREQUENCY      High-frequency weldable proplylenic plastics material, preferably in the form of sheet, film, plate or the like, comprising calendrable propylene and nitrile rubber as its basic components.
Patent CA-2102236-A1 (CA)
Title: Stereo video endoscope objective lens system
Inventor: MCKINLEY HARRY R
IPC: G02B27/22
Filed: 1992-04-17
Abstract: A stereoscopic objective lens system for video endoscopes and borescopes includes a full diameter collimator lens system (110, 112) and a pair of half diameter stereo lens systems (114, 116, 118, 120). The lens systems can be formed of doublet lenses (312) or a combination of singlet (310, 313) and doublet lenses (312, 314, 318), or of gradient index lenses (210, 214, 216) or of a mixture of such lenses. The full-diameter lens system collimates object points, imaging object points to infinity to present equal-angle pairs from symmetrically disposed object points to the small-stereo pair. This equal-angle property enables accurate object/ image mapping onto the final stereo image pair, such that all parts of each left/right image can be mapped to within a fraction of a video pixel to each other.
Patent CA-2103574-A1 (CA)
Title: Hydrogen-containing compounds
Inventor: MCNEIL JAMES A
IPC: G01N23/225
Filed: 1992-02-06
Abstract: A low-cost detector of hydrogen-containing compounds in gas or thin-film samples (10) is disclosed. The device preferably includes an alpha particle source (1), an energy degrading medium (13), a charged particle detector (e.g. a solid state diode detector) (7), and amplification (16), threshold (19), logic (22), timing (25) circuits, humidity correction apparatus (28), and alarm/display circuit (31). The invention relies upon the use of the energy degrading foil (13) to pass selectively certain particles.  Energetic alpha particles from a radioactive source (1) enter the sample (10) and hydrogen nuclei, or protons, elastically scattered by alpha particles, are able to penetrate the energy degrading foil (13) which is thick enough to stop the alpha particles (4). The protons are detected and a suitable output signal can be produced to provide an accurate measure of the quantity of hydrogen in the gas or thin-film sample. The hydrogen detector can be combined with a smoke detector to produce an apparatus capable of detecting both smoke and hydrogen. This technology can also be used to reduce noise and block light penetration in a radon detection application.
Patent CA-2106440-A1 (CA)
Inventor: KOVACEVIC JELENA
IPC: G10L19/035
Filed: 1993-09-17
Abstract: A method and apparatus for reducing correlated errors in subband coding systems with quantizers is disclosed. A subband coding system comprises aplurality of subband analysis filters to divide the frequency spectrum of the input signal into subbands, individual subband quantizers for coding each subband by apreselected number of quantization levels, corresponding subband decoders and subband synthesis filters. The transfer function of each of the subband synthesis filters is advantageously determined based on the transfer functions of the subband analysis filters as well as on the characteristic of the quantizer used to code the corresponding subband. Specifically, the synthesis filter transfer functions may be based on a perfect reconstruction filter bank or a quadrature mirror filter bank, as well as on the gain factors of a gain plus additive noise linear model for the Lloyd-Max quantizers used to code the corresponding subbands. That portion of the error between the input signal and the replica signal as reconstructed by the system which is correlated to the input signal may be advantageously reduced or eliminated, irrespective of that portion of the error which is uncorrelated to the input signal. Thus, the total error in a final signal may be advantageously reduced by the subsequent application of prior art techniques for the reduction of random, uncorrelated noise.
Patent CA-2106776-A1 (CA)
Inventor: SCHLAPFER JOHANNES F
IPC: A61B17/17
Filed: 1993-03-15
Abstract: This hook serves to treat vertebral column deformities.  It is comprised of a shaft portion (2) with a longitudinal axis (1) to which a longitudinal support (5) can be attached transversely to the longitudinal axis (1), as well as a hook shaft (3) with a convex posterior side (34) and a concave anterior side (35) bent away from the longitudinal axis (1) connecting to the shaft portion (2).  It is provided with a penetrating drill hole (36) extending from the convex posterior side (34) to the concave anterior side (35), to accept a screw (4).
Patent CA-2108355-A1 (CA)
Title: Audiovisual dummy
Inventor: CHRETIEN NICOLAS
IPC: G09F27/00
Filed: 1992-04-13
Abstract: PCT No. PCT/FR92/00326 Sec. 371 Date Oct. 18, 1993 Sec. 102(e) Date Oct. 18, 1993 PCT Filed Apr. 13, 1992 PCT Pub. No. WO92/18970 PCT Pub. Date Oct. 29, 1992.An audio-visual dummy including a rigid anthropomorphic structure with, instead of a head, a monitor for delivering an audiovisual message. The monitor is connected to a message reader system. The rigid structures can be placed on a base. The base includes a storage space. The power cords to the monitor are positioned in the lower part of the monitor so as to be concealed from observers. The rigid structure is made of a plastic or resinous material.
Patent CA-2112212-A1 (CA)
Inventor: ROSELIEP ROBERT E
IPC: B23B43/02
Filed: 1993-12-22
Abstract: A shell-type internal broach assembly including a number of annular insert mounting shells interleaved with a number of annular spacers, and mounted on an arbor.  The annular insert mounting shells are sufficiently short so as to permit the use of travelling-wire EDM manufacturing methods.  As a result, inserts can be precisely and accurately located and secured to the annular insert mounting shells,  thereby presenting a highly repeatable broaching configuration to a workpiece.  The precision by which the annular insert mounting shells are formed also promotes concentricity of the annular insert mounting shells, which further promotes the accurate and precise placement of the inserts relative to the longitudinal axis of the arbor.  The use of the annular spacers also effectively reduces the cost of the internal broach assembly, in that the simple cylindrical outer surface of the annular spacers are less expensive to manufacture than the complex surface features necessary to accurately receive the inserts on the periphery of the annular insert mounting shells. The number and length of the annular spacers used can be varied in according with the strength required by the inserts to resist deformation by the cutting forces.
Patent CA-2115558-A1 (CA)
Title: Product information tag for grid hooks
Inventor: GEBKA JOHN
IPC: A47F5/08
Filed: 1992-08-17
Abstract: ABSTRACT OF THE DISCLOSURE      An elongate product information display tag for presenting product information at the distal end of a product support hook is useful on both wire-back hooks and plate-back hooks.  The tag has a mounting portion with selective apertures by which the tab is engaged on the hook.  One of the apertures is associated with a strip of contact adhesive extending across the mounting portion by which the tag can be adhered to the front surface of a back plate of a plate-back hook.  The other aperture merges into a keyhole-type slot which can be used to embrace over the depending leg at the back of a hook by which the hook is welded to a back plate or rod-like bracket.  The intermediate portion of the tag which extends over the hook has a fold down stabilizing tab which engages the hook and provides lateral stabilization of the tag.
Patent CA-2115865-A1 (CA)
Inventor: REICHEN RONALD L
IPC: A01D43/063
Filed: 1994-02-17
Abstract: A mechanism for collecting grass clippings cut by a cutting unit, including a laterally extending member or rail coupled with the cutting unit, a clippings container or basket positioned for receiving clippings cut by the cutting unit, first and second laterally spaced hook members operatively coupled with the container for engaging the laterally extending member to operatively couple the container with the cutting unit, said mechanism allowing an operator standing at one side of the vehicle to disengage the nearest hook member from the rail to slide the container toward himself while the other hook member slides along in engagement with the rail, thereby facilitating removal.
Patent CA-2116345-A1 (CA)
Inventor: MCRAE THOMAS G
IPC: G01M3/20
Filed: 1992-08-20
Abstract: An apparatus and method for the rapid detection and location of a gas leak. A collimated beam of light is scanned across the component under test which has been pressurized with a tracer gas that strongly absorbs the light. When the light passes through the gas emerging from the source of the leak, the light energy absorbed by the gas produces an acoustic emission which is detected by a microphone. The resulting signal may be processed either as an alarm to notify the operator that a leak is present, or, it may be processed in coordination with the beam scanning mechanism to indicate exactly where the leak is located on the component.
Patent CA-2117110-A1 (CA)
Title: Disposable facial tissue dispenser
Inventor: ANNAND CHARLES A
IPC: B65D83/08
Filed: 1994-03-07
Abstract: Broadly, the present invention provides a disposable cardboard container for facial tissue which in size is not unlike those now used and which are the standard for the industry and which would be used on the now existing production lines with minimal changes.  The new and novel end opening of this container with the internal floating control plate which controls the interply friction between the facial tissue layers makes this dispenser unique in that it does dispense one, and only one, facial tissue at a time and causes the next consecutive tissue to protrude through the end opening as a facial tissue is removed.
Patent CA-2117118-A1 (CA)
Title: Device for the direct measurement of low density lipoprotein cholesterol
Inventor: HSU CHEN-JUNG
IPC: G01N33/48
Filed: 1994-03-07
Abstract: Disclosed is a dry phase device for separating high density lipoprotein from a blood (serum or plasma) sample. The device comprises a fluid permeable material having dispersed therein finely divided, porous silica or silicate particles as selective absorbent for HDL.      By combining the device with a second layer designed to remove VLDL/chylomicrons from the blood, and a third layer containing means for quantitative cholesterol detection, there is provided a test device for the direct determination of LDL cholesterol.
Patent CA-2119673-A1 (CA)
Title: Substituted 1-aryltriazolinones
Inventor: LINKER KARL-HEINZ
IPC: C07D405/12
Filed: 1994-03-23
Abstract: Substituted 1-aryltriazolinones A b s t r a c t The invention relates to new substituted 1-aryltriazolin-ones of the general formula (I)    (I) in which R1      represents hydrogen, alkyl, halogenoalkyl, alkoxy,  alkylthio,  alkylsulphinyl,  alkyl-sulphonyl or cycloalkyl, R2      represents a radical of the formula -NR8R9, R3, R6 and R7 independently of one another in each case represent hydrogen, halogen, amino or nitro, R4     represents hydrogen, halogen, cyano or nitro, or one of the radicals -R10, -O-R10, -S-R10, -S(O)-R10, -SO2-R10, -SO2-OR10, -SO-NR11R10, -CO-OR10, -CO-NR11R10, -O-SO2-R10, -N(R11)-SO2-R10, -NR11R10, -NH-P(O)(R11)(OR10) or -NH-P(O)(OR11)(OR10), R5     represents nitro, cyano, halogen or halogenoalkyl, and X    represents oxygen or sulphur, where R8   represents hydrogen, alkyl, halogenoalkyl, a radical of the formula -CO-R12 or a radical of the formula -S(O)n-R12, R9   represents alkyl, halogenoalkyl, a radical of the formula -CO-R12 or a radical of the formula -S(O)n-R12, R10  represents hydrogen or represents in each case optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, aryl, arylalkyl or heterocyclyl, R11  represents hydrogen or represents in each case optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, arylalkyl or aryl, R12  represents in each case optionally substituted alkyl, cycloalkyl, arylalkyl, aryl or hetero-cyclyl, and n  represents a number 0, 1 or 2, to a number of processes for their preparation,  to a number  of  new  intermediates,  and  to  their  use  as herbicides.
Patent CA-2121197-A1 (CA)
Title: Inverse Discrete Cosine Transform Processor
Inventor: HOOGENBOOM CHRISTOPHER L
IPC: H04N1/41
Filed: 1994-04-13
Abstract: A method and apparatus are provided for inverse transforming a matrix of discrete cosine transform (DCT) coefficients. The DCT coefficients are processed at least two bits at a time to obtain the vector dot products thereof with a DCT kernel matrix. A matrix of the vector dot products is transposed to obtain a transposed matrix of dot product elements. The dot product elements of the transposed matrix are processed at least two bits at a time to obtain the vector dot products thereof with the DCT kernel matrix. The resultant dot products are interleaved into a proper order and buffered in a series of output registers. Further efficiencies are achieved by implementing a post-add stage of an IDCT flowgraph prior to the output registers.
Patent CA-2124964-A1 (CA)
Title: Cdw52-specific antibody for treatment of multiple sclerosis
Inventor: HALE GEOFFREY
IPC: A61P37/00
Filed: 1992-12-04
Abstract: The invention relates to the use of an antibody recognising the CDw52 antigen in the treatment of multiple sclerosis.  Preferably the antibody is the humanised antibody in the humanised antibody CAMPATH-1H.
Patent CA-2125113-A1 (CA)
Title: Method and circuitry for aligning the phase of high-speed clocks in telecommunications systems
Inventor: LEDDA FRANCESCO
IPC: H04L7/033
Filed: 1994-06-03
Abstract: METHOD AND CIRCUITRY FOR ALIGNING THE PHASE OF HIGH-SPEED CLOCKS IN TELECOMMUNICATIONS SYSTEMS            ABSTRACT OF THE DISCLOSURE     A method and circuitry are provided for detecting and measuring a phase difference between the output signals from a primary stratum clock and a standby stratum clock in a telecommunications system, computing a period of time needed for a numerically-controlled oscillator to shift the frequency of the standby clock enough to cancel the phase difference, transforming the required period of time into a signal representing a corresponding number of frequency shift steps, and controlling the numerically-controlled oscillator with the step signal to shift the frequency of the standby clock accordingly and thereby cancel the phase difference.  Both the frequency and phase alignments of the two clocks are thus maintained.  Therefore, when either the system or user switches operations from the primary stratum clock module to the standby stratum clock module, phase-related transients are not generated, which results in a significant increase in the overall performance and reliability of the system.
Patent CA-2127899-A1 (CA)
Title: Method and apparatus for determining platelet function in primary hemostasis
Inventor: VARON DAVID
IPC: G01N33/49
Filed: 1994-07-13
Abstract: A method for determining a platelet function in a primary hemostasis as provided in which a blood sample or a platelet containing fraction thereof is introduced into a vessel having a flat bottom which has an inner surface covered with a substrate capable of inducing platelet adhesion thereto and aggregation such as ECM (extracellular matrix).     Preparation is then rotated inside the vessel, and consequently shear forces develop on the surface which bring to adhesion an aggregation of the blood platelets to the surface. Morphological parameters of blood aggregates are then determined.
Patent CA-2129042-A1 (CA)
Title: Magnetically assisted binding assays using magnetically-labeled binding members
Inventor: ROHR THOMAS E
IPC: G01N33/553
Filed: 1993-03-15
Abstract: The present invention involves assay methods and devices for performing binding assays, wherein the detectable label is a magnetically responsive material. Direct and indirect, competitive and sandwich assay formats are used to partition the magneti-cally attractable label between a solid phase and a fluid phase in proportion to the presence or amount of analyte in the test sam-ple. The magnetic responsiveness of the magnetically attractable label in one or both phases results in the exertion of a force upon the label. By determining the extent of the force or influence of the force exerted upon the label, the amount of the analyze in the test sample is determined.
Patent CA-2131577-A1 (CA)
Inventor: ITOI SHIGERU
IPC: F16K31/50
Filed: 1994-09-07
Abstract: To prevent  fluctuations  of  set flow rate  in a control valve, even when the valve handle is locked, a flow rate control valve is disclosed which is designed to lock the handle for rotating the stem to a bonnet side of the valve by means of a lock screw.  The handle is composed of a handle main body fixed to the upper end of the stem, and a tubular lock handle coupled to the lower end of the handle main body.  The handle is movable in a direction orthogonal to the axial line Y of the stem,  and encloses the upper outer  circumference  of the bonnet,  and wherein the  lock screw is provided in the lock handle in a direction nearly orthogonal to the axial line Y of the stem.
Patent CA-2132667-A1 (CA)
Inventor: LETOFFE MICHEL
IPC: C08K5/54
Filed: 1994-09-22
Abstract: système accélérateur de réticulation à froid de polymères durcissant à l'humidité par hydrolyse/condensation caractérisé en ce qu'il comprend (C) x parties en poids d'un catalyseur de réticulation desdits polymères par polycondensation, x allant de 0,01 à l0; (E) Y parties en poids d'au moins un composé minéral solide contenant une quantité y d'eau sous forme d'eau d'hydratation et/ou adsorbée par condensation capillaire, cette quantité X allant de 0,5 à 40 parties en poids, et pouvant représenter jusqu'à 70 % du poids dudit composé minéral solide; (F) z parties en poids de charges, z allant de 0 à 50; (D) 100 - (x+Y+z) parties en poids d'un diluant ou d'un solvant dudit catalyseur (C), diluant ou solvant présentant une viscosité dynamique à 25°C de l'ordre de 50 à 200.000 mPa.s.; les quantités respectives des quatre constituants (C), (E), (F) et (D) étant telles que le système obtenu se présente sous forme d'une pâte manipulable. L'invention concerne également l'utilisation dudit système accélérateur pour l'accélération de compositions silicones durcissant à l'humidité de l'air.
Patent CA-2134313-A1 (CA)
Title: Radiation detector
Inventor: TRAN NANG T
IPC: G01T1/20
Filed: 1994-10-25
Abstract: ABSTRACT OF THE DISCLOSURE   A radiation detector containing: (a) a fiber optic network; (b) an array of pixelized phosphors on the X-ray incidence side of the fiber optic network; and (c) an array of pixelized sensors optically coupled to the other side of thefiber optic network, wherein: (i) the ratio of the surface area of a phosphor pixel to the surface area of a sensor pixel is in the range of about 1:1 to 1:64, and (ii) the ratio of the surface area of the core of each individual optical fiber of the fiber optic network to the surface area of a phosphor pixel is in the range of about 1:4 to 1:160.
Patent CA-2136716-A1 (CA)
Title: A gas compressor
Inventor: CONEY MICHAEL W E
IPC: F04B9/08
Filed: 1993-05-28
Abstract: A gas compressor is provided comprising a chamber (9) to contain gas to be compressed, a piston (12) in the chamber (9) and means to drive the piston into the chamber (9) to compress the gas. The compressor also comprises means (55) to form a spray of liquid in the chamber (9) to cool the gas on compression therein, so that the gas may be compressed approximately isoth-ermally. Valve means (17) are provided to allow compressed gas to be drawn from the chamber. The means to drive the piston (12) comprises means to deliver driving energy stored in a fluid directly to the piston. In one embodiment, the driving energy is provided by a combustible fuel. The heat of compression is rejected at the lowest temperatures and the hot exhaust gas from the combustion process may be used to preheat the isothermally compressed gas.