baber/WOPTO huggingface dataset:
Patent EP-0410574-A2 (EP)
Inventor: KANAZAWA HIDETOSHI
IPC: H02M1/12
Filed: 1990-06-20
Abstract: In an adjustable a.c. power supply for an air-­conditioner system, comprising a first frequency converter 9A for driving a compressor motor 6A of a first air-conditioner 7A, a second frequency converter 9B for driving a compressor motor 6B of a second air-­conditioner 7B, and a common a.c. power supply 2 for delivering an a.c. power to the both frequency converters, a rectifier 3B included in at least one frequency converter 9B is constructed as a controllable rectifier and the rectifier 3B included in the second frequency converter 9B is subjected to phase-control so that a synthetic higher harmonic current of the two frequency converters when viewed from the a.c. power supply is reduced. By conducting a phase-control of the rectifiers in a manner that, e.g., one rectifier 3A has a phase-control angle of zero degrees and the other rectifier 3B has a phase-control angle of 30 degrees, a load current from the a.c. power supply 2 is permitted to have a waveform closer to a sine wave, i.e., a waveform in which higher harmonic components are further reduced.
Patent EP-0408234-A2 (EP)
Inventor: BENNETT DANIEL HARRISON
IPC: G11C29/00
Filed: 1990-07-03
Abstract: A non-volatile counter comprising: 
an array of memory cells incorporating groups 1 of cells, each group 1 of cells being divided into word strings X, X′ capable of storing data words and associated fault flags FR, 
sensing means 3 for checking the status of the memory cells and for issuing fault signals to the fault flags, and 
logic means 5 responsive to the fault signals and fault flags for selecting the word strings, 
wherein the memory cells each include at least two non-volatile transistors and wherein on detection of a fault in a word string X the stored data word is written into a second word string X′.
Patent EP-0428260-A2 (EP)
Inventor: KAWAI HIDEYUKI
IPC: B23K35/363
Filed: 1990-10-03
Abstract: Surface treating agents for metal work containing at least one benzimidazole compound represented by the following formula (I):
      in which R₁ independently represents a substituted or unsubstituted alkyl group of 1 to 6 carbon atoms, m is an integer of 0 to 2, and R₂ independently represents a hydrogen atom, a substituted or unsubstituted alkyl group of 1 to 17 carbon atoms or an aryl group of the formula:
      wherein R₃ independently represents a substituted or unsubstituted alkyl group of 1 to 6 carbon atoms, and n is an integer of 0 to 3. These surface treating agents are particularly useful as a preflux in the production of printed circuit boards.
Patent EP-0430470-A2 (EP)
Inventor: FESKO DONALD G
IPC: F21V7/09
Filed: 1990-11-08
Abstract: A reflector (12) for a lighting unit (10) and a lighting unit comprising the same is disclosed. The reflector (12) has a generally concave surface (12), at least a portion of which concave surface (12) is a series of facets (24). Each facet has a reflective surface area (26) which is convex. Overlap of the light reflected from the reflective surface areas (26) of adjacent facets provides substantially even illumination of a lens (14) or other object.
Patent EP-0437932-A2 (EP)
Inventor: HIGHFIELD ANTHONY MICHAEL
IPC: F16B37/12
Filed: 1990-11-26
Abstract: A screw-threaded insert for thermoplastics materials, so as to provide a screw anchorage point therein, has a series of sawtooth cross section ribs extending about its periphery, and these ribs are of successively smaller size from a plain knurled cylindrical head (20) at the upper end of the fastener. This is particularly convenient to centralise and locate in a preformed taper bore before being pressed into the material whilst the material is heat softened. The head displaces material to fill the inter-tooth voids.
Patent EP-0441342-A2 (EP)
Inventor: OKADA TERUO C O INTELLECTUAL P
IPC: G10L21/02
Filed: 1991-02-06
Abstract: When a first videotape (VT1) as a reference is reproduced by the rotary head (10), the periodic noise output by the signal-processing means (11) is extracted by the extracting means (12) and stored in the memory section (13) according to the reproduction timing. Then, when a second videotape (VT2) on which a desired video signal has been recorded is reproduced, the electric signal reproduced from the second videotape (VT2) by the rotary head (10) is processed by the signal processing means (11), from the output of which the periodic noise stored in the memory-section (13) is then subtracted. As a result of this, the periodic noise is removed from the video signal reproduced for the second videotape (VT2).
Patent EP-0443509-A2 (EP)
Inventor: CLIFFTON MICHAEL DUANE
IPC: C08G75/20
Filed: 1991-02-19
Abstract: A process for preparing poly(arylene sulfide sulfone) by contacting a dihaloaromatic sulfone, an organic amide, a sulfur-containing compound selected from the group consisting of alkali metal bisulfides, hydrogen sulfide and N-methyl-2-pyrrolidinethione, water, and an alkali metal carboxylate.
Patent EP-0451621-A2 (EP)
Inventor: REINHARDT DIETER
IPC: G02F1/1335
Filed: 1991-03-27
Abstract: The invention relates to an arrangement for liquid crystal cells, which consists of at least two liquid crystal cells LCD1, LCD3 and of a number of polarisers P1, P2, P3, P4, whose number is greater by one than the number of liquid crystal cells. The polarisers and liquid crystal cells are arranged behind one another in the beam path of a light source in such a way that the polarisers and liquid crystal cells alternate, it being possible to generate light in prescribed colour values at the output of the liquid crystal display by separate electrical control of the individual liquid crystal cells. Owing to the fact that use is made of two liquid crystal cells LCD1 and LCD3 by means of which the polarisation plane of the penetrating light beam can be rotated with respect to its red and green spectral components by approximately 90<o> given electrical control, and that three polarisers P1, P2, P4 are provided, the first polariser P1 being a green filter, the second polariser P2 a neutral filter and the third polariser P4 a red filter, it is possible to substantially reduce the expenditure on producing the cell arrangement, since nothing but standard components are used. <IMAGE>
Patent EP-0471995-A2 (EP)
Inventor: ZELL KARL DIPL-ING
IPC: H05K7/18
Filed: 1991-07-23
Abstract: The individual card frames have a rear wall cover and, instead of the normal side parts for attachment in the housing, a redesigned side part which is constructed as an outer wall and permits the stacking of the card frames. The stack is supplemented by a base and head part. …<IMAGE>…
Patent EP-0472148-A2 (EP)
Inventor: SUZUKI MASATO
IPC: G06F7/50
Filed: 1991-08-20
Abstract: A method and an apparatus for computing the floating point data which is used in a central processing unit and so on for a digital computer, and especially for effecting four fundamental rules of arithmetics of the floating point data and the rounding and the normalizing computation, and wherein at the case of the addition, subtraction, the mantissa portion of the two floating point data and the generated round addition values are added to an adder, and, at the case of the multiplication, the sum output and the carry output of the multiplying unit, and the generated round addition values are added to the adder so as to correct the least significant bit of the output of the adder or the round addition value is again added, whereby, in order to provide the necessity of reoperation for round becoming small, the average processing step numbers because small in comporison with the conventional, and, as the mantissa operation and round are practised by the same adder at the same time, the increasing of handwares are extreamly small.
Patent EP-0476413-A2 (EP)
Inventor: RIEF DIETER J
IPC: E04H4/16
Filed: 1991-09-02
Abstract: A suction head (1) for a swimming pool cleaner comprising a housing (2) which is open at its lower side and has inclined bristles (9) attached to its lower edge for supporting on a surface to be cleaned. The housing (2) has a rotary sleeve (4) mounted to its top for connection of a suction hose in turn to be connected to a water suction pump. Said sleeve opens (4) in a chamber (32) within the housing (2) in which a vibratory element (11) is pivotally mounted, said element (11) having a crescent or air-foil shape. By a flow of water sucked through said chamber (32), the vibratory element (11) is automatically brought into a vibrating movement which imparts pulsations on the suction head (1). Thereby, the inclined bristles (9) are bent and straightened repetitively, resulting in a forward thrust moving the suction head over the surface to be cleaned. At least one foot is disposed in the housing (2) which is cyclically displaced vertically by a driving mechanism driven by the movement of the vibratory element (11) and returned by return springs (29). Said foot cyclically lifts off the suction head (1) at one side, resulting in a rotational movement of the suction head (1) about a vertical axis so as to change the direction of forward movement of the suction head.
Patent EP-0488017-A2 (EP)
Inventor: HEULE HEINRICH
IPC: B23B51/10
Filed: 1991-11-19
Abstract: A deburring tool is described which has a cutter housing extended downwards and reduced in diameter, as a result of which it is possible to also deburr smaller holes at the front and rear side.
Patent EP-0495191-A2 (EP)
Inventor: KOBAYASHI TAKAO THE FURUKAWA E
IPC: G06V10/147
Filed: 1991-12-04
Abstract: There is provided an optical sensor having an optical block including a substrate (30), a light-emitting element (31) formed on the substrate (30), and a light-receiving element (33) formed on the substrate (30) by using an adjusting member (32) for arranging side-by-side with the light-emitting element (31), a light-transmitting member (34) located between the optical block and an object, and control means optically connected to the light-emitting element (31) and the light-receiving element (33). It is preferable that the light-transmitting member (34) is separated into a plural in correspondence with areas separated on the object. There is also provided an optical sensor having a light-transmitting member, a plurality of incident optical fibers, optically coupled with the light-transmitting member, for transmitting light emitted from a light-emitting element to the light-transmitting member, a plurality of outgoing optical fiber, optically coupled with the light-transmitting member, for transmitting light passed the light-transmitting member after reflected on an object to the light-receiving element, and a housing for integrally housing the light-transmitting member, the incident optical fiber, and the outgoing optical fiber.
Patent EP-0439254-A2 (EP)
Inventor: GORE ROBERT HOWARD
IPC: C08F220/18
Filed: 1991-01-07
Abstract: It has been found that by polymerizing several alkyl methacrylates and N,N-dialkylaminoalkyl methacrylamide monomers and controlling the component weight ratio, a novel polymer with surprising properties, when used as an additive for hydrocarbon lubricating oils, can be produced. The polymer of this invention demonstrates superior properties as a viscosity index improver and a detergent dispersant and, in some instances, eliminates the need for a pour point depressant.
Patent EP-0453102-A2 (EP)
Inventor: DEMEESTER GORDON D
IPC: G01R33/56
Filed: 1991-03-22
Abstract: Magnetic resonance imaging data lines or views are generated and stored in a magnetic resonance data memory (56). The number of views or phase encode gradient steps N along each of one or more phase encode gradient directions is selected (70) to match the dimensions of the region of interest. A discrete Fourier transform algorithm operates on the data in the magnetic resonance data memory to generate an image representation for storage in an image memory (96). Unlike a fast Fourier transform algorithm which requires a N  views or data lines, where a and N are integers, the discrete Fourier transform has a flexible number of data lines and data value which can be accommodated. In preferred embodiments, the discrete Fourier transform operation is performed by a CHIRP-Z transform or a Goertzel's second order Z-transform which can accommodate any number of data lines or values.
Patent EP-0478115-A2 (EP)
Inventor: CONVISER STEPHEN ALAN
IPC: A61L2/20
Filed: 1991-07-01
Abstract: A sterilant mixture comprising 14 to 25 mole percent ethylene oxide and 75 to 86 mole percent 1,1,2,2,2-pentafluoroethane, and a sterilization method using same.
Patent EP-0473456-A2 (EP)
Inventor: TANINO TADATSUGU
IPC: B30B11/08
Filed: 1991-08-30
Abstract: A rotary powder compression molding machine is provided which comprises a compression molding machine body having a horizontal turntable provided with a plurality of bores at a distance therebetween in the rotation direction, and means for compressing powder successively filled in each bore in the turntable for molding; a powder supply device having an open feed shoe adjacent to the upper surface of the turntable in the compression molding machine body, and means for dropping powder on an upstream side of the open feed shoe in the rotation direction of the turntable; and a detecting device having an ultrasonic sensor which is disposed so that an ultrasonic wave is reflected from a region of the upper surface of the turntable on which powder is dropped by the means for dropping powder of the powder supply device, and which detects the intensity of the reflected ultrasonic wave.
Patent EP-0478252-A2 (EP)
Inventor: MCCLURE DAVID CHARLES
IPC: G11C8/08
Filed: 1991-09-23
Abstract: An integrated circuit memory is disclosed which has its memory array divided into blocks, or sub-arrays. Between each sub-array is placed a row line repeater which communicates the row line from the row decoder, or from a prior sub-array, into the next sub-array. The row line repeaters are controlled according to a portion of the column address so that, after the entire selected row has been energized, those row line repeaters which are not associated with the selected sub-array will de-energize the row line at their output. The row line repeaters each include a latch, so that the row line repeater which is associated with the selected sub-array will maintain the selected row line energized. Various embodiments of the row line repeater circuit are disclosed. Further control of the row line repeaters from a power-on reset circuit is also disclosed. A dummy row line is also disclosed, which emulates an actual row line so that the time at which the selected row has been fully energized is more closely known. The dummy row line thus can control the time at which the unselected row line repeaters de-energize their outputs.
Patent EP-0487330-A2 (EP)
Inventor: SATO EIICHI
IPC: H04N1/21
Filed: 1991-11-20
Abstract: An image transmission system including an image pickup device having an image pickup portion for converting a subject image into an image signal, a recording/reproducing device for recording/reproducing the image signal to and from a medium and a first interface device and an adapter for a public circuit which is detachable from the image pickup device, the public circuit adapter having a second interface device for establishing an interface with the first interface device and a device for, via a public circuit, transmitting image data received from the second interface device.
Patent EP-0493126-A2 (EP)
Inventor: NAMIKI FUMIHIRO
IPC: H04N1/028
Filed: 1991-12-27
Abstract: A radiation image data reader is designed such that the opening of its inlet gradually enlarges toward its outlet, and has the inlet larger than the outlet with a view to obtaining a radiation image data reader with a high light-gathering efficiency and the least possible unevenness in the light-gathering efficiency depending on the position on a scanning line. The optical receiving surface of the photoelectric converter for converting the gathered luminescent light of accelerated phosphorescence to an electrical signal is designed to be the size corresponding to the opening of the outlet of the condenser.
Patent EP-0479640-A2 (EP)
Inventor: HALAZY SERGE
IPC: C07H19/16
Filed: 1991-09-23
Abstract: This invention relates to novel phosphonate derivatives of certain nucleoside analogs, to the methods for their preparation and to their use as anti-viral agents.
Patent EP-0484255-A2 (EP)
Inventor: SIEBER KURT DELANCE
IPC: G21K4/00
Filed: 1991-10-25
Abstract: An x-ray intensifying screen is disclosed containing magnesium tantalum niobium oxide as a phosphor in an ordered corundum crystalline form. The phosphor contains an activating amount of at least one of rubidium and cesium. The x-ray intensifying screens are useful in radiographic applications where it is important to reduce subject exposure to x-rays and also to create clear, sharp images.
Patent EP-0493270-A2 (EP)
Inventor: LENGRAND PASCAL
IPC: C09D5/00
Filed: 1991-11-28
Abstract: Compositions for coating surfaces, hydrophobic in the liquid or pasty state, which become naturally hydrophilic on drying, characterised in that they contain, according to novel combinations:   a) at least one film-forming compound which is a polymer and/or a copolymer containing at least one monomer of the (meth)acrylic, and/or vinyl and/or styrene-based type, b) at least one agent for reversibility in aqueous medium, which makes possible the change from a hydrophobic state to a hydrophilic stage in the case of the said compositions, c) and a liquid phase intended to solubilise the film-forming compound, consisting of at least one hydrocarbon solvent chosen from the group consisting of white spirit and/or paraffinic or isoparaffinic solvents.   These compositions find their application in the field of thick or semithick coatings for the decoration or in the treatment of some water-sensitive surfaces.
Patent EP-0497211-A2 (EP)
Inventor: RUSSELL JAMES T
IPC: G11B7/0045
Filed: 1992-01-23
Abstract: Apparatus and method are disclosed for encoding information and recording same as sets of spaced and variably phased marks (12a to 12c) stored on an optical record (10). The encoded information is read by illuminating each set of such recorded marks with a coherent read light (25) to cause an optical interference pattern consisting of a varying interval and amplitude distribution of lobe maxima (14a to 14c) separated by amplitude nulls (or minimas) that change in accordance with the encoded information. This read interference pattern is detected by photosensing diode arrays (26) and after decoding, the system outputs an information signal representing the original information. Alternative embodiments store data as variable phase encoded information only in multi-mark sets, and both phase encoded and spatial encoded data in single, variable width, variable phased marks along a record track.
Patent EP-0498230-A2 (EP)
Title: Polymers of 3-ethyl-1-hexene
Inventor: STRICKLEN PHIL MARVIN
IPC: C08F4/6592
Filed: 1992-01-24
Abstract: A new polymer and copolymer composition comprising 3-ethyl-1-hexene is provided. This new polymer composition of 3-ethyl-1-hexene homopolymer has a crystalline melting point of about 425°C to about 435°C and is particularly useful for applications requiring high temperatures. This new polymer and copolymer composition is produced by utilizing a catalyst comprising at least one transition metal and at least one organometallic halide compound.
Patent EP-0497260-A2 (EP)
Inventor: HUBER RUDOLF
IPC: G02B6/42
Filed: 1992-01-28
Abstract: A laser device is described having a resonator and a static optical system. The optical system is constructed such that it transforms the diameter of the laser beam on an aperture which bounds said diameter in the resonator and the beam reduced diameter in the resonator in an application plane into a constant beam diameter which in general does not coincide with the beam reduced diameter, and into a constant beam divergence. The beam characteristics in the application plane are hence largely independent of the resonator conditions. The laser beam is preferably coupled in the application plane into a light conductor whose fibre diameter corresponds to the constant beam diameter and whose numerical aperture is larger than the constant beam divergence.
Patent EP-0507304-A2 (EP)
Inventor: KOBAYASHI SEIJI
IPC: G11B7/00
Filed: 1992-04-02
Abstract: A plurality of tracks (PA, PB) comprising pits (P) each having a diameter smaller than a beam spot (LB) diameter of a laser beam are arranged on an optical disc (1). By irradiating the laser beam onto the optical disc (1), a plurality of pits (P) are reproduced in a lump. The reflected lights from a plurality of pits (P) on the optical disc (1) are supplied to a plural-divided photodetector (8). 
     Outputs of the plural-divided photodetector (8) are supplied to a matrix circuit (10) and multidimensional vectors are formed. The data recorded on the optical disc (1) is decoded from the multidimensional vectors. A tracking area and a clock area are provided on the optical disc (1). A tracking control is performed by using a reproduction signal of the tracking area. The clocks are reproduced by using a reproduction signal of the clock area.
Patent EP-0514713-A2 (EP)
Inventor: BUEHLER ERNST
IPC: B23H7/02
Filed: 1992-05-07
Abstract: A machining method, especially an electro-erosion wire cutting machining method, in which a machining gap (4) is formed between core (2) and workpiece (1), a core (2) is cut out of the workpiece (1) and the core (2) is secured against falling out, is characterised in that the core (2) is secured by at least one separate means (3) arranged in the machining gap (4). The means (3) is preferably cut out of the workpiece (1) by electro-erosion. 
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Patent EP-0514865-A2 (EP)
Inventor: MURAKAMI TOKUMICHI MITSUBISHI
IPC: H04N7/50
Filed: 1992-05-20
Abstract: An image coding system determines an amount a data that is output by a coder of the system and also determines a target code produced amount based on the motion of an input image. The coder of the coding system encodes the input image. A record of a data amount of past coded data is used as the inference of the target code amount. Hence, proper coding can be performed in a sending side. Further, by converting the data amount into a value with a condition to be standard, accuracy of the inference may be improved. In addition, an indication of the power amount of the data to be coded is used as a factor for determining a target code produced amount to expedite a combination of a plurality of coding modes.
Patent EP-0517167-A2 (EP)
Inventor: CHEN SHUH-CHUNG
IPC: C08G65/32
Filed: 1992-06-02
Abstract: Novel polyetheramine compounds, useful as curing agents in epoxy adhesive compositions, having the structure:
     where x is 1 to 4, y is 0 to 3 and R is the organic residue of a polyol having one of the formulas:
     where m is 2 to 12 and n represents a number of repeating units so as to provide a polyol having a number average molecular weight of about 400 to 12,000, or
     where Y is a divalent, trivalent or tetravalent organic radical with a valence (functionality) equal to a, a is 2 to 4, m is 2 to 12 and n represents a number of repeating units so as to provide a polyol having a number average molecular weight of about 400 to 12,000. 
     In another embodiment, the polyetheramine compound is used as a curing agent for a polyepoxide compound to provide an epoxy adhesive composition having improved toughness properties.
Patent EP-0518254-A2 (EP)
Inventor: ROHRINGER ERNST
IPC: F16L55/165
Filed: 1992-06-09
Abstract: A double-walled pipe, especially for transportation of fluids which are a hazard to the ground water, and is made available for use in underground sewage systems, which pipe has a leakage gap, which is continuous in the circumferential direction and longitudinal direction, between the outer and inner pipe, and prevents relative movement of the two pipes. The advantages of the invention are reliable protection of the environment against fluid leakage, and cost-effective production. <IMAGE>