baber/WOPTO huggingface dataset:
Patent EP-0490642-A2 (EP)
Inventor: SNELLING CHRISTOPHER
IPC: G03G15/00
Filed: 1991-12-10
Abstract: A piezo-active charge retentive member, such as a photoreceptor (1), has a grounded electrode layer (5) separating a photoreceptive layer (7) and a piezo-active layer (3). External vibration sources become unnecessary since supplying an A.C. voltage across the piezo-active layer (3) to the grounded electrode layer (5) causes the piezo-active layer (3), and thus the entire photoreceptor (1), to vibrate. Vibration of the photoreceptor (1) enhances the transfer of development powder from the photoreceptor (1) to the transfer material, such as a sheet of paper. Vibration of the photoreceptor also improves the development of images and assists the cleaning of residual development powder from the photoreceptor surface.
Patent EP-0459882-A2 (EP)
Inventor: HARTEMANN PIERRE
IPC: H01L39/14
Filed: 1991-05-27
Abstract: Tunable high-frequency devices including: 
 
  - a thin superconducting layer (1) of thickness (d) less than the penetration depth ( lambda L) of the magnetic field, and arranged on a dielectric layer (2) 
  - and means (3) making it possible to vary the density of the Cooper pairs of the thin superconducting layer (1). 
 
<??>Applications: Microwave absorbers. 
<IMAGE>
Patent EP-0518219-A2 (EP)
Inventor: OGAWA KAZUFUMI
IPC: H01G4/18
Filed: 1992-06-04
Abstract: A monomolecular film which can be used as a dielectric film is obtained on a substrate surface. For example, an aluminum foil electrode substrate having a natural oxide film is obtained by chemically adsorbing a chlorosilane-based surface active material comprising a fluorocarbon chain to the substrate. It is possible in this invention to have a pre-treatment as follows in lieu of using the natural oxide layer: forming an electrolytic oxidated layer by electrolytic oxidation of the metallic film, or bonding a thin oxide layer such as Si0 2 , A1 2 0 3  being several hundred nanometers in thickness to the surface metallic film by spatter deposition, thus obtaining an excellent capacitor. A capacitor can be obtained by deposition of the aluminum layer on the surface bilayer laminated film. A thin film capacitor which has a high volume can be obtained comprising a thin (nanometer level), substantially pinhole-free dielectric film by using a siloxane-based monomolecular film having a fluorocarbon chain as the dielectric film.
Patent EP-0543408-A2 (EP)
Inventor: KUSHIYAMA NATSUKI
IPC: G11C29/02
Filed: 1992-11-20
Abstract: A semiconductor memory comprises a dynamic type memory cell array (10) arranged to form a matrix and provided with word lines (WL1 to WLm) commonly connected to memory cells (MC) of respective columns and bit lines (BLl through BLn) commonly connected to memory cells of respective rows, a dummy cell section (11) having a first set of dummy word lines (DWL) connected to respective complimentary bit line pairs (BL, /BL) of said memory cell array by way of respective first capacitances (C) and a second set of dummy word lines (/DWL) connected to respective complementary bit line pairs of said memory cell array by way of respective second capacitances (C), a dummy word line potential control circuit (15) capable of optionally controlling the mode of driving selected dummy word lines when said word lines of said memory cell array are activated and sense amplifiers (SAl to SAn) connected to the respective complementary bit line pairs of said memory cell array for reading data from selected memory cells of the memory cell array onto the related bit line.
Patent EP-0526972-A2 (EP)
Inventor: MACPHERSON HUGH
IPC: G08B13/12
Filed: 1992-06-05
Abstract: A security enclosure comprises a first layer of an insulating material (16) extending over the whole of the area of the enclosure and carrying a linear electrically responsive element (18) on at least one surface. A low tensile strength layer (32) having lower cohesion than adhesion is located between the first layer of insulating material (16) and the electrically responsive element (18). A second layer of insulating material (22) is adhered to and covers the electrically responsive element (18). The element (18) is arranged in a configuration on the surface so dividing the surface that attempted penetration of the enclosure changes an electrical characteristic of the element (18), the change being detectable by an electrical circuit (50). An attempt to remove the second layer of insulating material (22) to gain access to the element (18) results in breakup of the low tensile strength layer (32) and thus damage to the element (18) and produces a detectable change in an electrical characteristic of the element (18).
Patent EP-0531125-A2 (EP)
Inventor: IWASAKI HIROYUKI
IPC: H04B1/40
Filed: 1992-09-03
Abstract: A radio transceiver having an improved impedance matching characteristics between a rod-like antenna and transmitting and receiving portions thereof. An impedance matching circuit is provided between the antenna and a duplexer to impedance-match therebetween at a frequency within a desired signal frequency band. A transmitting signal and a receiving signal may have substantially different frequencies in which case the impedance matching circuit operates preferrably at center frequencies of these signals, respectively. The impedance matching circuit includes a first inductor inserted between the antenna and the duplexer, a first capacitor inserted between the antenna and ground potential and a parallel resonance circuit composed of a parallel circuit of a second capacitor and a second inductor inserted between the duplexer and ground potential.
Patent EP-0533438-A2 (EP)
Inventor: GOFFNETT DAVID MICHAEL
IPC: C23G5/00
Filed: 1992-09-15
Abstract: The present invention is a process for the cleaning of the inner surfaces of a chemical vapor deposition reactor used in the production of polycrystalline silicon. The process comprises impacting the surfaces to be cleaned with solid carbon dioxide pellets. The carbon dioxide pellets dislodge silicon deposits from the surface of the reactor without damaging the surface of the reactor and without providing a source for contamination of polycrystalline silicon produced in the cleaned reactor. The present process is particularly useful for the cleaning of the inner surfaces of chemical vapor deposition reactors used in the production of semi-conductor grade silicon.
Patent EP-0534889-A2 (EP)
Inventor: DAUDER GUARDIOLA AGUSTIN
IPC: G01G17/00
Filed: 1992-09-24
Abstract: Improvements in automatic weighing machines for food products that exhibit several buckets (6), arranged in a circle and in an overhanging manner, joined radially to a revolving central support (7) in relation to a vertical axis; each bucket is joined to the support by two horizontal, parallel and superimposed elastic bands (12), that allow for its vertical swinging; and these buckets pass successively over a station (13) with a single means of weighing (14) connected with the programming processing unit, and they have at least one of their walls (15) that is movable for the selective unloading of each batch of units of the product contained in the corresponding buckets selected according to the total weight desired, and this unloading is effected onto means (32) - (33) for conveying these batches toward the exit of the machine.
Patent EP-0511945-A2 (EP)
Inventor: VEZZANI ENRICO
IPC: A47J27/18
Filed: 1992-04-30
Abstract: A machine for preparing pasta-based dishes for direct consumption starting from precooked deep-frozen pasta products, comprises at least one basket (23) adapted to receive the dosages of precooked deep-frozen pasta, a vat (20) containing heated water, a drive arrangement (25-27.36) for moving the basket (23) between a dipped position where the basket (23) is submerged under the heated water contained in the vat (20) for heating the precooked deep-frozen pasta and a removed position where the basket (23) is removed from the vat (20).
Patent EP-0557890-A2 (EP)
Inventor: CHO CHIH-CHEN
IPC: H01L21/205
Filed: 1993-02-18
Abstract: In one form of the invention, a method for the growth of an epitaxial insulator-metal structure on a semiconductor surface comprising the steps of maintaining the semiconductor surface at a pressure below approximately 1x10⁻⁷ mbar, maintaining the semiconductor surface at a substantially fixed first temperature between approximately 25°C and 400°C,  30  depositing an epitaxial metal layer on the semiconductor surface,  32  adjusting the semiconductor surface to a substantially fixed second temperature between approximately 25°C and 200°C,  34  starting a deposition of epitaxial CaF₂ on the first metal layer,  36  ramping the second temperature to a third substantially fixed temperature between 200°C and 500°C over a time period, maintaining the third temperature until the epitaxial CaF₂ has deposited to a desired thickness, and stopping the deposition of epitaxial CaF₂ on the first metal layer. 
     Other devices, systems and methods are also disclosed.
Patent EP-0578087-A2 (EP)
Inventor: NORO YUKIE C O MENICON CO LTD
IPC: G02C7/04
Filed: 1993-06-28
Abstract: An ocular lens material made of a copolymer of a polysiloxane macromonomer of the formula (I):
       
wherein A 1  is Y 11 -R 12 - wherein Y 11  is an acryloyloxy group, etc., and R 12  is a C 2 - 6  linear or branched alkylene group; each of A 2  and A3 is -R 22 -Y 21  wherein Y 21  is an acryloyloxy group, etc., and R 22  is a C 2 - 6  linear or branched alkylene group; U 1  is -X 31 -E 32 -X 33 -R 34 - wherein X 31  is a covalent bond, etc., E 32  is a -NHCO- group, etc., X 33  is an oxygen atom; etc., and R 34  is a C 1-6  linear or branched alkylene group; each of U 2  and U 3  is R 41 -X 42- E 43- X 44  wherein X 44  is a covalent bond, etc., E 43  is a -CONH-group, etc., X 42  is an oxygen atom, etc., and R 41  is a C 1-6  linear or branched alkylene group; each of S 1 , S 2  and S 3  is:
       
wherein each of R 51 , R 52 , R 53 , R 54 , R 55  and R 56  is a G 1-3  alkyl group, etc., K is 1 to 1,500, and L is 0 to (1,500 - K); l 1  is -R 61 -X 62 - wherein X 62  is a covalent bond, etc., and R 61  is a C 1-6  linear or branched alkylene group; each of 1 2  and 1 3  is -X 71 -R 72 -wherein X 71  is a covalent bond, etc., and R 72  is a C 1-6  linear or branched alkylene group; and T 1  is:
       
with a monomer having an unsaturated double bond copolymerizable with the polysiloxane macromonomer.
Patent EP-0578156-A2 (EP)
Inventor: BUNE PAULUS
IPC: H04W56/00
Filed: 1993-07-03
Abstract: A mobile radio signal between a fixed radio station and a mobile station which moves in relation to it is affected by a Doppler shift. The Doppler shift may have an abruptly changing temporal pattern which, for example, occurs within the railway radio system when a mobile station passes by the fixed radio station. Known compensation methods for direct and indirect frequency correction, by means of evaluation of a frequency-correction signal or continuous transmission-time control, cannot follow a rapid change in the Doppler shift (>1kHz/s). The object of the invention is to devise a method and a circuit arrangement (200) to compensate for a Doppler shift in a mobile radio signal (RCOM) which is propagated between a fixed radio station (BTS) and mobile station (MS) moving past the latter. This is achieved by defining predictive characteristic values (xVAL) of the temporal pattern (ADS) of the Doppler shift which is to be expected through evaluation of the mobile radio signal (RCOM) and by carrying out compensating forward control, derived from this temporal pattern, of a transceiver component (TRC) of the mobile radio signal (RCOM).
Patent EP-0580011-A2 (EP)
Inventor: STEIN KARL-ULRICH DR
IPC: H04Q11/04
Filed: 1993-07-06
Abstract: After data reduction, the video signal (VS) is combined with the audio signal (DTS) to form a program signal (PS) and, inserted into ATM cells, is transmitted directly via optical fibres after conversion into an optical signal or via an ATM switch (ATM-V) to the subscriber (TL). <IMAGE>
Patent EP-0602469-A2 (EP)
Title: Recording method on magnetic tape with slant tracks
Inventor: KAADEN JUERGEN
IPC: G11B27/32
Filed: 1993-12-03
Abstract: It is known in VHS recorders to record time information in the longitudinal track. The information can be determined immediately only by rewinding the tape or with very low resolution. The object is to provide a digital system for video and audio signals which permits recording of high-resolution time information. Time code information is split up into groups of varying importance, and these groups are recorded separately in terms of their spatial position and/or frequency. In particular for D-HD-VHS recorders. <IMAGE>
Patent EP-0579466-A2 (EP)
Inventor: MONDSHINE THOMAS
IPC: C09K8/52
Filed: 1993-07-12
Abstract: The invention provides a process for the removal of filter cakes containing one or more polysaccharide polymers and bridging particles from the sides of a borehole in a hydrocarbon-producing formation which comprises contacting the filter cake with a novel soak solution comprising an aqueous liquid, a peroxide selected from the group consisting of alkaline earth metal peroxides, zinc peroxide, and mixtures thereof, and an acidic substance to provide the soak solution with a pH in the range from about 1 to about 8, and optionally, an activator for the peroxide, for a period of time at least sufficient to decompose the polysaccharide polymers therein to such an extent that the filter cake forms a loosely adherent mass on the sides of the borehole, and thereafter contacting the filter cake with a wash solution in which the bridging particles are soluble to remove the remaining filter cake solids from the sides of the borehole. Preferably the aqueous liquid in the soak solution has no appreciable solubilizing effect on the bridging particles.
Patent EP-0597690-A2 (EP)
Inventor: LEGARIO RONALD NIPPON PAINT CO
IPC: G01N33/49
Filed: 1993-11-10
Abstract: A serum separating sealant having a specific gravity at 20°C of 1.035 to 1.065, a viscosity of 100 to 400 Pa.S and a yield stress of 100 to 400 dyne/cm 2  and comprising :
     (A) 100 parts by weight of a polymer having specific gravity at 20°C of 0.94 to 1.06 and a viscosity of 10 to 140 Pa·S, derived from an alkyl acrylate or alkyl methacrylate monomer having the formula (I) :
     wherein R 1  denotes H or CH 3 , R 2  denotes an alkyl group having 1 to 18 carbon atoms ;
   (B) 0.5 to 10 parts by weight of at least one component selected from the group consisting of silica and bentonite ; and   (C) 0.01 to 2 parts by weight of at least one surfactant selected from the group consisting of : (C-1) fluorocarbon-based surfactants ;   (C-2) polyester modified alkylpolysiloxane based surfactants ; and   (C-3) polyether modified alkylpolysiloxane based surfactants.
Patent EP-0601767-A2 (EP)
Inventor: YOSHIDA TAKEHIRO C O CANON KAB
IPC: H04N19/89
Filed: 1993-11-30
Abstract: An image communication apparatus and a method therefor are operable in an error correction communication mode so as to reduce the usage of a data bus. The apparatus receives image data and outputs it in byte units, and includes an image memory for storing at least one page of image data. The apparatus further includes a controller for inputting the image data from the receiver and for directly storing the input image data into the image memory without using a buffer memory.
Patent EP-0617339-A2 (EP)
Inventor: NISHIGUCHI YASUO C O KYOCERA C
IPC: G03G9/083
Filed: 1994-03-22
Abstract: A granular charging agent capable of injecting the electric charge into a material to charge the surface of the material when coming in contact with the material with the application of a voltage to the charging agent, comprising magnetic particles which comprise electroconductive magnetic particles and high-resistivity magnetic particles of which resistivity is higher than that of the electroconductive magnetic particles. A granular charging agent may comprise magnetic particles, each magnetic particle comprising an electroconductive surface portion capable of forming a flow path of electric current and a surface portion with a resistivity higher than that of the electroconductive surface portion. In addition, a method of charging a material such as a photoconductor using the above-mentioned granular charging agent is disclosed.
Patent EP-0621062-A2 (EP)
Inventor: MESSERSCHMITT ENNO
IPC: A63H33/04
Filed: 1994-04-21
Abstract: 1. Arrangement of a game coating for the releasable attachment of at least one toy brick (2, 3). 2.1. In the case of the known toy bricks, only limited use in building is possible, especially with ranges of toys from different manufacturers. 2.2. According to the invention, a game coating arrangement (1) is provided whose surface (4) facing the toy brick (2, 3) has at least one first mechanical connecting means (5) for interaction with at least one second mechanical connecting means (6) provided on the or each toy brick. The surface of the game sheet (1) remote from each toy brick (2, 3) has an adhesive layer (7) for the releasable adhesion of the game coating arrangement (1) to a wall (8). Moreover, the game coating arrangement (1) is produced from a material which permits adaptation of the game coating arrangement to a surface (9) of the wall (8) of any desired curvature. 2.3. The game coating arrangement according to the invention can be used to connect a very wide variety of toy bricks. <IMAGE>
Patent EP-0635262-A2 (EP)
Inventor: AKEMI HITOSHI
IPC: A61F15/00
Filed: 1994-07-12
Abstract: A package structure, in which a drug-containing pressure-sensitive adhesive sheet comprising a support, a drug-containing pressure-sensitive adhesive layer, and a separator in this order is packaged and sealed in a packaging material, is disclosed, wherein unevenness is provided on at least one of the surface of the support on the side in contact with the inside of the packaging material, the surface of the separator on the side in contact with the inside of the packaging material, and the inside surface of the packaging material. The unevenness reduces the contact area between the packaging material and the sheet so that an adhesive, a plasticizer or any liquid component of the adhesive layer is prevented from adhering to the inside of the packaging material. Therefore, the sheet can easily be taken out of unit package on use.
Patent EP-0644208-A2 (EP)
IPC: C10L1/234
Filed: 1989-09-29
Abstract: A process for preparing an oligomeric copolymer of an unsaturated acidic reactant and a high molecular weight olefin having a sufficient number of carbon atoms such that the resulting copolymer is soluble in lubricating oil and wherein at least 20 weight percent of the total olefin comprises an alkylvinylidene isomer, which process comprises reacting the high molecular weight olefin with the unsaturated acidic reactant in the presence of a free radical initiator and a solvent selected from:
     (a) polyisobutenyl succinic anhydride (PIBSA),   (b) polyPIBSA, or   (c) a mixture comprising polyisobutene and a copolymer prepared by reacting a high molecular weight olefin, wherein at least 20 weight percent of the total olefin comprises an alkylvinylidene isomer, and an unsaturated acidic reactant in the presence of a free radical initiator.
Patent EP-0611155-A2 (EP)
Inventor: MUTO TAKAYASU C O SONY CORPORA
IPC: G11B20/12
Filed: 1994-02-10
Abstract: A recording and/or reproducing device for detecting the servo pattern pre-recorded at a pre-set interval on a disc-shaped recording medium, and for generating channel clocks, that is, clock signals for sampling data used during recording or reproduction on the basis of the detected information on the servo pattern, is disclosed. For providing the correctly phased channel clocks, a voltage controlled oscillator employed in the phase-locked loop of a channel clock forming unit of the recording and/or reproducing device for generating the channel clocks is controlled not only by phase error data but also by positive phase error data and negative phase error data for enlarging the locking range for enabling correct phase locking. Besides, for providing correctly phased channel clocks for the disc-shaped recording medium of the constant angular velocity (CAV) system, the pickup position on the recording medium is detected so that the phase error detection data is corrected on the basis of the detected pickup position for providing the channel clocks phased in correspondence with the recording/replay position on the recording medium.
Patent EP-0661769-A2 (EP)
Inventor: FARLEY JOSEPH
IPC: H01M50/204
Filed: 1994-12-30
Abstract: The present invention provides a battery pack arrangement of standard 3-terminal, for example camcorder battery configuration. This enables the use of the battery pack as both an intelligent and non-intelligent pack which can function normally on standard camcorder type devices and also can communicate with intelligent equipment or devices and display charge status without the need for additional battery pack terminals. The battery pack includes a negative and a positive terminal for supplying the equipment or device with a voltage from the cells and a "T" terminal that permits thermal measurement of the cells. 
     It is proposed that this standard thermal measurement terminal of the battery pack be used as a multipurpose terminal, operating normally as a thermal measurement means and as a thermal measurement means and then as a data port or charge control output when used by a computer, a charger or other intelligent device or equipment. The battery pack is capable of communicating with the device using predefined digital code(s) placed on the multipurpose terminal by the intelligent device. This will typically be a request, a transmission of a certain amount of information in a short time period concerning for example the state of charge of the cells or an output charge control signals. The device will then respond by transmitting the requested data along the multipurpose terminal. In the absense of digital data on the multipurpose terminal the intelligence within the battery pack returns the "T" terminal to the default standard state thus reverting its use to thermal measurements of the cells.
Patent EP-0662669-A2 (EP)
Inventor: BACON GLADE B
IPC: G06F3/0354
Filed: 1995-01-05
Abstract: A computer input device uses a standard mouse design and includes at least one thumb wheel or roller to provide three-dimensional cursor positioning. Left and right rollers, for use by left- and right-handed users, protrude from left and right sides of a standard mouse. The left and right rollers are axially mounted on left and right drive shafts that extend axially through left and right encoder wheels, respectively. Each encoder wheel forms part of a transducer for producing signals indicating movement or rotation of the wheel. These signals can be used for calculating cursor movement or for various other purposes in computer software applications. Alternatively, the rollers are coupled to switches or a single roller protrudes from the top of the mouse.
Patent EP-0687036-A2 (EP)
Inventor: FITTING PAUL E
IPC: H01R12/70
Filed: 1995-06-08
Abstract: An electrical connector (10) for removably receiving an electronic module. The connector has a frame, electrical contacts (14), and an ejection mechanism (16) for ejecting the electronic module from the connector (10). The ejection mechanism has two longitudinally slidable members connected orthogonally to each other. When a first one of the members is moved by a user in a first direction, the second one of the members is wedged by the first member in a second direction orthogonal to the first direction. The frame has cam surfaces that interact with the second member to move the second member in a third direction, opposite to the first direction, when the second member is moved in the second direction. The second member pushes the electronic module out of the connector as it is moved in the third direction.