baber/WOPTO huggingface dataset:
Patent NO-168023-C (NO)
Inventor: KRISTENSEN STIG
IPC: F16B21/12
Filed: 1989-09-28
Abstract: A locking device at a trailer coupling, including a first part (1), which is adapted to be attachable to a towing vehicle, and a second part (2), which is adapted to be coupled to a trailed vehicle and to be releasably attachable to the first part (1). The first part (1) includes an opening (8), into which the second part (2) is introduceable, and a locking bolt (10), which is displaceable in its axial direction into the opening (8) in the first part (1) to lock the second part (2) by engagement in a locking recess (11) therein in the position thereof where it is introduced in the opening (8) of the first part (1). The locking bolt (10) is urged by a spring (20) in a direction towards the opening (8) in the first part and manually operable in the opposite direction. The locking bolt (10) is also adapted to be positively displaceable in a direction into the opening (8) in the first part (1) as well as out of the opening by screwing motion between co-acting first and second threads (33,32, respectively) associated with the first part (1) and the locking bolt (1), respectively, said threads (32,33) being arranged such that their co-action ceases after a certain displacement of the locking bolt (10) in the latter direction and the locking bolt (10) becomes displaceable independently of the threads (32,33) against the action of the spring (20).
Patent NO-175922-C (NO)
Inventor: VALCKE ALEX RAYMOND ALBERT
IPC: C07D405/06
Filed: 1990-04-06
Abstract: Synergistic antifungal compositions containing tebuconazole (II) <CHEM>  and propiconazole (I) <CHEM> for treating plants or the loci thereof, or for use in wood-preservation or protection of biodegradable materials. Processes for preparing said synergistic antifungal compositions. A product containing tebuconazole and propiconazole as a combination for simultaneous, separate or sequential use. Method of combating fungi on plants comprising the administration thereto of tebuconazole and propiconazole. Method of protecting wood, wood-products and biodegradable materials from fungal attack and destruction.
Patent NO-176934-C (NO)
Inventor: KAPPELER FRANZ
IPC: B66B13/30
Filed: 1990-09-20
Abstract: An apparatus for sealing an automatic elevator door against sound closes the small air gaps between a door post and a door leaf rear edge, between an abutment and the door leaf top edge, between abutting front edges of door leaves, between an inner door leaf front edge and outer door leaf rear edge in the case of telescopic doors, and between a door sill and a door leaf bottom edge. A post seal utilizes an elastic strip seal to close the post air gap. An abutment seal utilizes a sliding brush seal to close the abutment air gap. A door sill seal utilizes a labyrinth seal to close the sill air gap. A door edge seal utilizes a brush seal to close the front edge air gap. These seals close all the air gaps around the door leaves when the door is closed to prevent the ingress of sound of the noises produced mechanically outside the car.
Patent AU-736878-C (AU)
Title: Aspherical spectacle lens
Inventor: QI HUA
IPC: G02C7/02
Filed: 1998-06-18
Granted: 2002-08-15
Abstract: An aspherical lens by which residual aberration in all of third eye-positions is corrected and which the center or edge thickness can be reduced. Thus, this aspherical lens employs a first or second curved surface represented by the following equation: <MATH> where (x, y, z) represents the coordinates of a point on an aspherical surface and satisfies (y ELEMENT Äa, bÜ) INTERSECTION (z ELEMENT Äc. dÜ); my is an order of a spline function in the direction of the y-axis (in this case, an integer which is not less than 4); mz is an order of the spline function in the direction of the z-axis (in this case, an integer which is not less than 4); ny is the number of inner knots in Äa, bÜ in the direction of the y-axis (in this case, an integer which is not less than 4) ; nz is the number of inner knots in Äc, dÜ in the direction of the z-axis (in this case, an integer which is not less than 4); Nmy,i (y) represents an ith my-th-order normalized B-spline function in the case that knots in the direction of the y-axis are  xi 0,  xi 1,  xi 2, ...,  xi ny+2my-1 (incidentally, "i" is an integer within Ä0, ny+my-1Ü and the position of each knot meets the following condition:  xi 0 </=  xi 1 </= ... </=  xi my-1 </=a <  xi my</= ... </=  xi ny+my-1 <b</=  xi ny+my </= ... </=  xi ny+my+1; Nmz,i (z) represents an jth mz-th-order normalized B-spline function in the case that knots in the direction of the z-axis are  xi 0,  xi 1,  xi 2, ...,  xi nz+2mz-1 (incidentally, "j" is an integer within Ä0, nz+mz-1Ü and the position of each knot meets the following condition:  xi 0 </=  xi 1 </= ... </=  xi mz-1 </= c<  xi mz </= ... </=  xi nz+mz-1 <d</=  xi nz+mz </= ... </=  xi nz+2mz-1; and ci,j is a coefficient. <IMAGE>
Patent CA-2005364-C (CA)
Inventor: LALEZARI FARZIN
IPC: H01Q19/06
Filed: 1989-12-13
Granted: 1994-05-31
Abstract: Abstract An embedded surface wave antenna is described of compact design capable of broadband performance both for impedance match and for radiation pattern characteristics comprising two spaced apart conductive planar elements, one element being a transition from a narrow portion to a wider portion according to a continuous func-tion, said one element having an upward inclination away from the other of said conductive planar elements and ending in a termina-tion at the wider portion, a tapered lens  material having a down-ward inclination from said termination toward said other of said conductive planar elements to define a sloping surface therebetween for launching and receiving electromagnetic waves.  The subject surface wave antenna may be readily adapted into assemblies of radiating elements in a predetermined electrical and geometric configuration to provide an array rendering a preferred radiation pattern.
Patent CA-2007485-C (CA)
Title: Carpet product with integral balancing layer
Inventor: TILLOTSON JOHN G
IPC: B32B7/02
Filed: 1990-01-10
Granted: 1993-05-04
Abstract: "CARPET PRODUCT WITH INTEGRAL       BALANCING LAYER"         Abstract of the Disclosure An improved carpet product includes a pile fabric layer and a stabilizing layer adhered to the back of the pile fabric layer to provide dimensional stability against concentrated stresses exerted against the upper surface of the carpet. A balancing layer disposed below the stabilizing layer has thermal response and moisture absorption characteristics selected for compatibility with the pile fabric layer. When the carpet product is exposed to temperature extremes or changes in ambient humidity, stresses exerted by the expansion or contraction of the pile fabric layer create a bending moment around the stabilizing layer. However, the balancing layer creates comparable stresses on the lower side of the stabilizing layer and exerts an equal-but-opposite bending moment which balances the moment exerted by the pile fabric layer. The resulting carpet product exhibits enhanced flatness and floor hugging characteristics when subjected to temperature extremes or changes in the ambient humidity.
Patent CA-2009817-C (CA)
Title: Dc-dc converter
Inventor: SAITOU AKIRA
IPC: H02M3/335
Filed: 1990-02-12
Granted: 1994-06-14
Abstract: ABSTRACT OF THE DISCLOSURE    A DC-DC converter comprises a switching element having a rise time ton and a fall time toff; a control device for controlling the switching operation of the switching element; a transformer having a primary winding and a secondary winding, the primary winding being connected to a DC power source through the switching element, and having an open inductance, LM; an inductance coil having an inductance L connected to the secondary winding of the transformer; and a rectifying device for rectifying the output from the secondary winding of the transformer; assuming that the voltage applied to the primary winding of the transformer is E, the load current flowing through the transformer is ID, and the sum of the stray capacitance of the switching element and the distributed capacity of the windings of the transformer is Cl, the following relational expressions being established:    L > (E/ID) ton and LM > 4 toff2/.pi.2 Cl
Patent CA-2011644-C (CA)
Title: Vacuum switch apparatus
Inventor: ARITA HIROSHI
IPC: H01T2/00
Filed: 1990-03-07
Granted: 1996-02-20
Abstract: A vacuum switch apparatus has an electrically insulating vacuum enclosure which is evacuated to a vacuum degree of 2 x 10-2   Torr or less.  One set of anode and cathode electrodes is arranged in the vacuum enclosure, having capacity which permits the flow of a discharge current of at least 1 KA therebetween and being operable to switch the discharge current at least 106 shots.  A high voltage power supply applies a high voltage of at least 20 KV across the anode and cathode electrodes.  An electron beam irradiation unit irradiates an electron beam on the anode electrode through the cathode electrode.  A control electrode is arranged between the beam irradiation unit and the cathode electrode, for controlling passage and interception of the electron beam.  A control voltage power supply applies a control voltage to the control electrode.  An electro-magnetic coil is arranged at least exteriorly of the vacuum enclosure, for generating electromagnetic force which prevents the electron beam, emitted from the electron beam irradiation unit and reaching the anode electrode through the control and cathode electrodes, from being scattered.
Patent CA-2011777-C (CA)
Title: Rotary table for a coordinate measuring machine and method of determining the axis of table rotation
Inventor: HEMMELGARN THOMAS L
IPC: G01B21/00
Filed: 1990-03-08
Granted: 1993-05-18
Abstract: ROTARY TABLE FOR A COORDINATE MEASURING MACHINE AND METHOD          OF DETERMINING THE AXIS OF TABLE ROTATION            ABSTRACT      A rotary workpiece support table (12) for a horizontal arm coordinate measuring machine (10) having a retractable datum ball (144) for determining the axis of rotation of a table top plate (36) on a table base (40).  A frictional drive mechanism (38) has a drive wheel (72) urged into engagement with a perimeter surface (74) and rotates the table top plate (36), with a counterforce roller (98) neutralizing the side loading on an air spindle (116).  The table base (40) is positioned on a machine base (30) and  spacer  (32)  by a  rotational  connection  (46)  and  a diametrically opposite block and cam follower connection (48) to avoid the effects of differential thermal expansion between the table base (40) and the machine base (30) and spacer (32). (FIGURE 2)
Patent CA-2013371-C (CA)
Title: Voice verification circuit for validating the identity of telephone calling card customers
Inventor: NAIK JAYANT M
IPC: G10L17/16
Filed: 1990-03-29
Granted: 2001-10-30
Abstract: A speaker verification system receives input speech from a speaker of unknown identity. The speech (12, 14) undergoes LPC analysis and transformation to maximize separability between true speakers and impostors when compared (16) to reference speech parameters which have been similarly transformed. The transformation incorporated a "inter-class" covariance matrix of successful impostors within a database.
Patent CA-2014960-C (CA)
Title: Modular hearing aid
Inventor: ARNDT HORST
IPC: H04R25/00
Filed: 1990-04-19
Granted: 1995-07-25
Abstract: A modular hearing aid having separate micro-phone,  receiver,  amplifier  and  battery  modules.    The microphone module is connected to the receiver module by two dovetails.  The receiver module is connected to the amplifier module by one dovetail and to a forwardly pro-jecting plate of the battery module by another dovetail.          The amplifier module is connected to the battery module by another dovetail.   A flexible circuit board of the amplifier module has a flap which extends over part of the receiver module and is soldered to pins projecting therefrom.   The pins extend within the receiver housing and are connected to the receiver therein.  Another flap of the circuit board extends over part of the battery module and  is  soldered  to  connections on  the battery module.  Another flexible circuit board extends from the amplifier module over the receiver module and  is con-nected to pins on the microphone module housing.  Cover plates cover the top and bottom of the assembled modules to provide a cosmetically attractive appearance.
Patent CA-2019825-C (CA)
Title: Textile web corrugating machine
Inventor: YOGO TAKEYOSHI
IPC: D06J1/06
Filed: 1990-06-26
Granted: 1994-10-04
Abstract: ABSTRACT OF THE DISCLOSURE            A textile  web  corrugating  machine  comprises  a support table along which a textile web is transported, a folding plate disposed above the support table for folding in a generally zig-zag fashion the textile web then as it passed below the folding plate, a retainer member positioned above the support table in face-to-face relationship with the folding means for urging folds successively formed on the  textile  web into a web transport passage positioned downstream  of  the  support  table  with  respect  to  the direction of transport of the textile web, and a compressing unit disposed along the web transport passage for applying a compressive  force  to  the  successively  formed  folds  from above and also from a lateral direction.
Patent CA-2020519-C (CA)
Title: Liquid crystal display
Inventor: SUZUKI SHUNJI
IPC: G02F1/1337
Filed: 1990-07-05
Granted: 1993-08-31
Abstract: ABSTRACT     The  present  invention  sets  the  optical  path  length difference of a crystal liquid display, which is given as the product of the thickness of a liquid crystal material interposed between a front electrode and a rear electrode and the double-refraction index of the liquid crystal material,  at  a  relatively  small  value  in  the  upper positions and at a relatively large value in the lower positions  of the  liquid crystal  display.   Any  liquid crystal  display  (LCD)  in  accordance with the present invention meet the following requirements with respect to the  optical path  length difference,  U,  given  as  the product of the thickness of a liquid crystal material interposed between  the  front  electrode  and  the  rear electrode  in  the  first  vertical  position  and  the double-refraction index of said liquid crystal material, and the optical path length difference, D, given as the product of the thickness of a liquid crystal material interposed between the  front  electrode  and  the  rear electrode in the second position below the above first position and the double-refraction index of the liquid crystal material:     0.5 µm ? U ? 0.6 µm 0.5 µm ? D ? 0.6 µm D < U.
Patent CA-2022835-C (CA)
Inventor: NEWLAND PAUL W
IPC: B23B31/107
Filed: 1990-08-08
Granted: 1994-09-20
Abstract: A clamping device for releasably securing a tooling adaptor in a tool clamp block comprising a generally cylindrical member having an eccentric slot for engaging and securing the tooling adaptor, the cylindrical member adapted to move in the direction of its longitudinal axis to reversibly load and engage the tooling adaptor.
Patent CA-2023869-C (CA)
Title: Optical disk recording/reproducing device
Inventor: MAEDA SHIGEMI
IPC: G11B19/28
Filed: 1990-08-23
Granted: 1995-08-22
Abstract: An  optical  disk  recording/reproducing  device  for recording and/or reproducing information on and/or from an optical disk while rotatively driving the optical disk in angular  constant  velocity  on  which  disk  pre-recorded information is cyclically formed along a track so as to provide rotation control by constant linear velocity.  The device,  which  includes  a  clock generating  circuit  for generating a clock for recording and/or reproducing in accordance with a recording frequency of the pre-recorded information derived from signals reproduced by an optical head, is designed to perform recording and/or reproducing operations with a frequency for recording according to the clock.   The  device  further  includes  a  magnetic  field control  circuit  and/or  recording  light  power  control circuit whereby a magnetic field and/or light power to be applied to the optical disk may be varied according to the frequency for recording in recording operation.
Patent CA-2024127-C (CA)
Title: Brief
Inventor: TSUCHIYA MAKOTO
IPC: A41B9/02
Filed: 1990-08-28
Granted: 1995-06-27
Abstract: A brief in which there is provided a shaping portion in a front portion of the brief for shaping the formation of a swell at the front of the brief at the position corresponding to the male genitalia.  The shaping portion has a concave inner surface and a convex outer surface and is composed of a three-layer construction including an outer cloth, an inner cloth, and a soft synthetic resin layer. There is provided a concave portion for receiving the male genitalia at the inner surface of the shaping portion and the outer surface of the shaping portion is formed with a convex formation, and there is provided a fixing portion at the open ends of the concave portion.  The shaping portion has a hard synthetic resin layer inside the shaping portion, and a receiving bag is mounted inside the resin layer to insert a shaping member into the receiving bag.
Patent CA-2029559-C (CA)
Title: Crankpin grinder and method
Inventor: PHILLIPS JAMES D
IPC: B24B21/00
Filed: 1990-11-08
Granted: 1994-02-01
Abstract: ABSTRACT OF THE DISCLOSURE           A method of grinding crankpin journals on a crankshaft in which the crankshaft is rotated about its central longitudinal axis.   Abrasive belts are moved along paths substantially perpendicular to the crankshaft such that the abrasive surfaces of the belts grind the crankpin journals while the crankshaft rotates.  The belts are guided independently of one another at the point of contact with the crankpin journals along a variable path according to the position of the crankpin journal around the central longitudinal axis of the crankshaft as the crankshaft rotates.
Patent CA-2031268-C (CA)
Title: Process for the optical distinction of a dental material and dental material for said process
Inventor: RHEINBERGER VOLKER
IPC: A61K6/083
Filed: 1990-11-30
Granted: 1995-04-18
Abstract: In a method for the optical distinction of a dental material applied to a substrate from natural teeth, false teeth or parts thereof, 0.00001 to 1% by wt. of a fluorescent substance having an absorption maximum in the wave length range of 360 to 480 nm and a fluorescence maximum in the wave length range of 480 to 600 nm is incorporated in the dental material.  The dental material is applied to the substrate and irradiated with a light source emitting light of a wave length in the region of 360 to 480 nm and is then viewed through a light filter filtering out at least partially the light of a wave length in the region of 360 to 480 nm.  The dental material for use in the process can comprise coumarin derivatives, phthalimide derivatives,  fluoranthene derivatives,  perylene derivatives, xanthene derivatives, thioxanthene derivatives,  pyrano-benzopyran-2,  5-dione derivatives,  pyrano-quinoline-2,  5-derivatives,  pyrazole quinoxaline derivatives,  2-pyrono-isoquinoline-3,  6-dione derivatives, benzimidazo-benz-isoquinolin-7-one derivatives, acridine derivatives or mixtures of the above-mentioned derivatives as fluorescent substances.
Patent CA-2032634-C (CA)
Title: Replaceable belt cartridge for an envelope feed apparatus
Inventor: HOLBROOK RUSSELL W
IPC: B65H5/02
Filed: 1990-12-18
Granted: 1997-12-02
Abstract: A detachable belt cartridge for an envelope feeder includes a housing having spaced apart side walls, first and second end walls, and a top.  The top has a plurality of lengthwise slots form therein.  A first and second shaft is rotatively mounted in spaced apart relationship in the housing.  A plurality of wheels are driven mounted on the first and second shafts a plurality of endless belts respective extending around a respective ones of the wheels of the first and second shafts such that a portion of said belt extends in a respective slots slightly above said top.
Patent CA-2033910-C (CA)
Title: Epoxy modified polyols as dispersants for high styrene, high solids content polymer polyols
Inventor: HAYES JOHN E
IPC: C08G65/32
Filed: 1991-01-10
Granted: 1999-09-21
Abstract: Very low viscosity polymer polyols having high styrene/acrylonitrile ratios and good stability may be achieved by the use of epoxy modified polyols as dispersants.      The epoxy modified polyols useful as dispersants may be made by one of three methods: (1) adding the epoxy resin internally to the modified polyol, (2) capping or coupling a polyol not containing an epoxy resin with such a resin, and (3) providing the epoxy resin both internally to the polyol and as a cap or coupler. Epoxy modified polyols having a hydroxyl to epoxy ratio of about 8 or less, made by one of these techniques, are superior dispersants and provide polymer polyols having higher styrene contents, and improved stability and viscosity properties.      In one aspect, the epoxy modified polyols contain a significant amount of high molecular weight polyol adducts; generally from about 5 to about 30 wt.% of materials having a GPC molecular weight of greater than 100,000: and at least greater than 80,000. Base polyols unmodified with an epoxy resin are used to make the polymer polyols.
Patent CA-2034084-C (CA)
Title: Method for controlling east/west motion of a geostationary satellite
Inventor: WHITE LISA K
IPC: G05D1/08
Filed: 1991-01-11
Granted: 2001-01-09
Abstract: A method for East/West stationkeeping of a geostationary satellite maintains the osculating value of longitude from exceeding a specified deadband for a specified drift period between maneuvers. In the planning, the mean longitude, the mean drift rate and the mean eccentricity vector are calculated and then maneuvers are executed to maintain the values below a magnitude such that the osculating longitude will be within the specified deadband over a specified draft period. The target conditions are achieved through a plurality of maneuvers which initiate a period of free drift which lasts for a specified number of days. During the free-drift period, longitude remains within its deadband, and no additional maneuvers are needed or are performed. The method has the advantage that it can take into account limitations on thruster on-time by allowing far a generalized number of stationkeeping maneuvers.
Patent CA-2040342-C (CA)
Title: Computer user interface with window title bar icons
Inventor: TORRES ROBERT J
IPC: G06F3/048
Filed: 1991-04-12
Granted: 1995-04-11
Abstract: Disclosed is a computer system user interface that includes a window frame with a window title bar icon.  The title bar icon replaces the conventional window title bar and  it  increases  the  usable  client  area  of  the  window without decreasing the number of functions available to the user.
Patent CA-2040909-C (CA)
Inventor: WALTER HELMUT
IPC: E01F9/619
Filed: 1991-04-22
Granted: 1995-08-01
Abstract: A microprism retroreflector material has a body portion with a planar front face and closely spaced microprisms extending thereacross in a plane spaced from and parallel to the front face.  The microprisms are formed with three side surfaces disposed along three intersecting planes, and at least some of the microprisms have at least one side surface which is arcuate along one of the intersecting planes and over at least the major portion of its height.   At least some adjacent pairs of microprisms have their prism axes tilted relative to the intersecting plane extending therebetween.          The microprisms retroreflect light in six circumferentially spaced radially extending exit-energy patterns, and at least 70 per cent of the retroreflected light is within a spread of not more than 0.6° from the light rays impinging thereon.