baber/WOPTO huggingface dataset:
Patent EP-0303813-A2 (EP)
Inventor: CHAUDHARI PRAVEEN
IPC: H01L39/14
Filed: 1988-07-05
Abstract: Improved superconducting materials are described in which magnetic flux pinning is used to pin flux vortices in the superconducting materials, thereby allowing these materials to conduct large critical currents I c  having a magnitude of at least 10⁴A/cm² at 77K. Magnetic pinning sites can be obtained by the inclusion in the superconducting material of atoms exhibiting a magnetic moment, the number of atoms incorporated in the superconductor being sufficient to provide substantial vortex pinning in the superconductor. Further, the magnetic pinning sites must be distributed randomly in the superconductor to accomplish this effect. This type of vortex pinning is accomplished in superconductors having low values of coherence length, such as the high-T c  oxide superconductors, for example, YBa₂Cu₃O x.
Patent EP-0301569-A2 (EP)
Inventor: MATSUKAWA NAOHIRO C O PATENT D
IPC: G11C16/04
Filed: 1988-07-29
Abstract: A semiconductor memory device according to the invention includes a means (BC) in a memory, arranged in a memory cell (MC) , for applying a voltage to a control gate (CG) of a memory cell (MC) such that a floating gate voltage is higher than a drain voltage by about 3 V or more during read-driving of a floating gate memory cell. According to the semiconductor memory device of the invention, when a drain voltage of a floating gate memory cell (MC) is about 3 V or less, during read-driving, high reliability against soft write can be maintained and high-speed read access (about twice the conventional case) can be performed. The semiconductor integrated circuit can be effectively applied to an EPROM integrated circuit and a memory-­mounted device (on-chip memory).
Patent EP-0306862-A2 (EP)
Inventor: SAAM JOHN CARLTON
IPC: C08K9/08
Filed: 1988-09-03
Abstract: A method of producing hydrophobic colloidal silica is disclosed. The method comprises combining an aqueous colloidal silica dispersion, polyorganosiloxane, and anionic surfactant to yield a stable aqueous emulsion of hydrophobic colloidal silica. The emulsion may be further processed by evaporating the water to yield a white material which may be easily ground to a fine powder of hydrophobic colloidal silica. This powder is useful as a reinforcement for silicone rubber.
Patent EP-0277771-A2 (EP)
Inventor: DEICHERT WILLIAM G
IPC: C08F230/08
Filed: 1988-01-28
Abstract: The physical properties of highly oxygen-permeable continuous-wear contact lenses, comprising a copolymer of an organosilicone monomer, a fluoroalkyl ester monomer and a hydrophilic monomer, are improved by the further addition of a linear polysiloxane oligomeric cross-linking agent with or without neopentylglycol dimethacrylate.
Patent EP-0278648-A2 (EP)
Inventor: CHICKEN LESLIE CHARLES
IPC: G02B6/44
Filed: 1988-02-01
Abstract: An aerial optical fibre cable for installation alongside a power distribution system is made with a surface-slotted core (2) acting as strength member and armouring and housing a ribbon optical element (3). The slot is filled with a soft thixotropic water blocking gel (28). The slot is closed and sealed with a close-fitting cap (5) which is bound in position with a yarn and the core then driven several times around a capstan with the cap facing outward to induce an excess length of ribbon element in the core when it leaves the capstan. 
     Plastics material (27) is then extruded over the core to provide a tight-fitting sheath.
Patent EP-0279609-A2 (EP)
Inventor: BENNETT PETER GORDON
IPC: B31F1/28
Filed: 1988-02-15
Abstract: A conventional single faced corrugated board manufacturing plant is modified to produce corrugated board having two fluted mediums bonded at their flute tips. In addition to the existing corrugating rolls (10, 11) a further pair of corrugating rolls (34, 35) synchronized with the existing pair are provided so that the corrugated mediums (22, 23) are contacted at their flute tips. An additional mill roll stand is provided for the second fluted medium. A carrier roll (36) is provided adjacent to the pairs of corrugating rolls to take off the bonded fluted mediums and provide support and prevent uncontrolled movement of the flute to flute structure during the development of the adhesion bond. Adhesive applicators (37) are provided to apply adhesive to one of the mediums prior to the flute tip to flute tip bonding and to coat the flute tips of the bonded fluted structure on the carrier roll for bonding to the inner (21). An additional guide roll (38) is provided to allow tangential approach for the liner onto the flute to flute structure carried by the carrier roll. Radiant energy is used to assist in bonding the inner to the flute to flute tip structure enabling a low pressure bonding technique to be used.
Patent EP-0280485-A2 (EP)
Inventor: POOK HAROLD WILSON MEREDITH
IPC: H01G7/02
Filed: 1988-02-22
Abstract: Mass produced polymeric materials, such as plastics sheet 1, often exhibit a residual electrostatic polarity which hitherto has been considered unwanted. The intensity of the resultant field is so low that it is of no practical use and is generally neutralized by the attraction to the sheet of contaminants such as dust. A useful electret element E1 is produced by coating a face of the sheet 1 with a thin layer of polymeric material 3 of opposite polarity. Such an element can be used succesfully for electrostatic 'pinning' because it exhibits an electrostatic field of greater intensity than that of the sheet 1 prior to coating.
Patent EP-0286254-A2 (EP)
Inventor: FLAIM THOMAS A
IPC: F16D51/18
Filed: 1988-03-17
Abstract: A drum brake assembly has a brake shoe lining friction surface subtending a total effective friction surface arc length between the shoe heel (36,38) and toe (28,32) ends of about 49° on the first, primary shoe (30), disposed symmetrically about the shoe horizontal centre line (48), and about 57° on the second, secondary shoe (34), similarly symmetrically disposed. 
     In some instances the first, primary shoe may have about the same friction surface arc length as the second, secondary shoe, with each preferably being about 50% of the friction surface arc length of the prior-art typical secondary shoe lining of about 117°. 
     Different methods of reducing the effective friction surface arc lengths are disclosed, as well as the effect the invention has on the brake effectiveness variations of brake assemblies, both with the same lining material composition and with different lining material compositions. 
     Background and test graphs are provided, as well as a review of accepted brake design considerations of the past leading the brake designer away from the invention.
Patent EP-0295773-A2 (EP)
Title: A sound reverberator device for detachable connection to the strings of a string  musical instrument
Inventor: ASPRI ROBERTO
IPC: G10D3/02
Filed: 1988-04-26
Abstract: A sound reverberator device (10) for detachable connection to the strings (12) of a string musical instru­ment (11) which has strings (12) tensioned over a bridge piece (13) connected to the top wall of the sound box (15) or the instrument (11). The reverberator (10) comprises three spaced apart metal coil springs (17) secured side-by-side at a common end to a spring support (19). A metallic string attachment member (21) is secured to a free end of each of the springs. The attachment member (21) has string engag­ing fingers for engaging a respective one of a pair of adjacent strings (12) of the musical instrument (11). The attachment member (21) further has a bridge abutment portion (29) for contact with the bridge piece (35). When the reverberator (10) is connected to the musical instrument (11), the springs (12) are tensioned with the attachment member (21) connected to the strings whereby vibrations imparted to the strings will be transmitted to the bridge piece and the associated spring. The spring (17) will then vibrate and transmit its vibrations to the sound box through the bridge piece whereby to modify the tonality sound generated by the sound box.
Patent EP-0291318-A2 (EP)
Inventor: FITZGERALD JOHN J
IPC: H04N3/16
Filed: 1988-05-13
Abstract: A horizontal deflection circuit for controlling the horizontal deflection of an electron beam in a cathode ray tube used, for example, in a video display. The circuit uses a plurality of MOSFET transistors, (11A,11B,11C), which are switched on and off in unison for switching between a scan mode and a retrace mode, the MOSFET transistors being cascaded to accommodate the high voltage levels which are developed during retrace. A retrace capacitor (44A,44B,44C) and retrace diode (45A,45B,45C) areconnected between the source and drain terminals of each MOSFET transistor to ensure that the voltages are divided among the transistors so that the entire voltage does not appear across any single one if they do not all switch at precisely the same time.
Patent EP-0308198-A2 (EP)
Inventor: YAMAMOTO NAOKI
IPC: C08L33/24
Filed: 1988-09-14
Abstract: A polymethacrylamide resin composition having an improved impact resistance and thermal resistance is prepared by blending a polymethacrylamide resin with a polyorganosiloxane type graft copolymer formed by graft-polymerizing at least one ethylenically unsaturated monomer onto a polyorganosiloxane rubber copolymerized with a graft-crosslinking agent.
Patent EP-0285549-A2 (EP)
Inventor: BRUNE HERMANN
IPC: B29C49/48
Filed: 1988-03-30
Abstract: Wide-mouthed plastic barrel produced by the blow-moulding method, having a clamping ring cover closure and a radially outwardly extending flange ring. The flange ring is formed by a thickening, which is formed by a radial stretching of the wall of the preform introduced into the blow mould. The radial stretching is performed against blowing pressure by a slide which can be moved radially in and out, is formed by segment slides and the profile shape of which has a cavity with the contour of the flange ring. The segment slides have compensating slides, which ensure that a closed encompassing circular shape is always maintained during moving in and out of the segment slides when the inside diameter is reduced or increased, respectively. <IMAGE>
Patent EP-0333158-A2 (EP)
Inventor: KOTANI MATAHIRA
IPC: H04N1/193
Filed: 1989-03-15
Abstract: Disclosed is an image data transmission apparatus (1) such as a facsimile apparatus for transmitting the image data of the original being read by a reading unit (4) detachably installed in the transmission apparatus main body. 
     In such image data transmission apparatus, when the unmounted state of the image reading unit is detected by the mounting state detecting means (15), the control means (30) stops the original conveying roller. 
     The control means may be designed also, for transmitting the image data of the original. The transmission apparatus main body comprises: 
means for terminating the reading action of the image and cancelling the connection of the transmission line for transmission of the image data when reading the original with the image reading unit dismounted from the transmission apparatus main body, and the signal from the relative moving state detecting (19) means stops for a predetermined period. 
     Further disclosed is an image data transmission apparatus comprising a transmission apparatus which transmits the image data by using a telephone line. 
     The transmission apparatus main body comprises means for controlling the processing of the image data transmission apparatus, responding to the output of the mounting state detecting means, the open state detecting means (34) and the memory, so that, while reading the image data, (a) in the case of being detected the open state, the read image data may be transmitted, (b) in the case of not being detected the open state, (b1) when detected the mounting state of the image reading unit, the image data may be printed out by the printer (39), (b2) when not detected the mounting state of the image reading unit, the image data may be stored in the memory for transmitting.
Patent EP-0338276-A2 (EP)
Inventor: LIPP DAVID WESLEY
IPC: C08F220/54
Filed: 1989-03-20
Abstract: Various acrylamide/allyl thiourea polymers and their use as depressants in the beneficiation of sulfide minerals from ores are disclosed.
Patent EP-0338427-A2 (EP)
Title: Verfahren zur Herstellung von olefinisch ungesättigten, endständigen Carbonsäureestern
Inventor: MERGER FRANZ DR
IPC: C07C69/533
Filed: 1989-04-13
Abstract: Verfahren zur Herstellung von olefinisch ungesättigten, endständigen Carbonsäureestern der allgemeinen Formel Ia und Ib R¹-CH2-CH=CH-(CH2)r-1-COOR²      (Ia) R¹-CH=CH-(CH2)r-COOR²      (Ib) und gegebenenfalls weiterer Doppelbindungsisomerer, in denen R¹      Wassserstoff oder einen organischen Rest, R²      C1- bis C8-Alkyl und r      1 bis 20 bedeuten, indem man α-substituierte α,ω-(n-Alkylendicarbonsäureester) der allgemeinen Formel II <IMAGE> in der R¹      und R² sowie r die oben genannten Bedeutungen haben und R³      C1- bis C8-Alkyl bedeutet, an einem aciden Heterogenkatalysator bei Temperaturen von 150 bis 800°C und Drücken von 0,01 bis 50 bar umsetzt.
Patent EP-0339554-A2 (EP)
Inventor: LOB HORST DR PROF
IPC: H01J27/16
Filed: 1989-04-24
Abstract: A mono-energetic ion source for generating an ion beam is described, it being possible to set the ion energies which are below 100 eV and also above 5 keV as desired, independently from one another, with the aid of the operating parameters of the source, in the complete range of the energies between these levels and at all ion current densities which occur. In this case, the ion current density can be freely set independently of the ion energy. The ion source is provided with an ion-optical beam focusing and the beam source can also be used especially for producing metal ions. 
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Patent EP-0349742-A2 (EP)
Inventor: STOLZENBERG HANS
IPC: B23B31/14
Filed: 1989-05-18
Abstract: The invention relates to a powered chuck having a chuck body (1) and chuck jaws (3) which are displaceably guided in radial guides of the chuck body (1) and can be driven by at least one drive member (4) displaceably guided in the chuck body (1) and actuated by a power generator actuated by pressure medium. In order to effect force-feed lubrication of the sliding surfaces of this chuck, at least one hollow space (8) which can be filled with lubricating grease is formed in the chuck body (1), which hollow space (8) is connected via lubricating bores (6a, 7a, 3c) to at least some of the sliding surfaces (5) of the chuck and in to which at least one chuck component (6), which moves when the chuck jaws (3) are driven, projects in order to produce a pumping movement pressing the lubricating grease into the lubricating bores.
Patent EP-0370284-A2 (EP)
Inventor: MOTOYAMA SHIMESU
IPC: A61K36/00
Filed: 1989-11-02
Abstract: A composition containing an extract obtained by a water-containing organic solvent, comprising: (a) an extract containing active ingredients almost insoluble in water, said extract being obtained from plant tissues by extraction with a water-containing organic solvent, and at least one of (b) a water-soluble high-molecular substance and (c) a fatty acid ester of polyglycerol. This composition can be formulated into preparations not containing ethanol, i.e. solid preparations including tablets, granules, and powder preparations, or non-­alcoholic liquid preparations such as drinkable preparations and syrups, in such a way that the extract contained is well absorbed through the digestive tract.
Patent EP-0329485-A2 (EP)
Inventor: DURBIN ROBERT J
IPC: F27D3/00
Filed: 1989-02-20
Abstract: A crucible furnace or molten metal transfer vessel is provided with a composite lining having an outer insulating liner (12) and an inner cast working liner (14). The insulation liner (12) has a high insulating characteristic and the working liner has a high heat-­retention characteristic. The working liner (14) may be cast in position against the insulating liner (12) and a removable form (18).
Patent EP-0333392-A2 (EP)
Inventor: KURODA YOSHIMI
IPC: H01C7/105
Filed: 1989-03-10
Abstract: An electro-optical device comprising a plurality of pixels (12) provided with switching elements (14), each switching element (14) using amorphous silicon as its base material characterised in that the said amorphous silicon base material of each switching element (14) contains no hydrogen or has a hydrogen content of not more than 1% by weight.
Patent EP-0336614-A2 (EP)
Inventor: HIETALA ALEXANDER WAYNE
IPC: H03J3/18
Filed: 1989-03-23
Abstract: An RF signal input circuit for a UHF tuner of a television receiver comprises a series-tuned circuit (10) including a varactor diode (14) and an inductance element (13b) connected in series, in the order named, between signal ground and a gate electrode (G1) of a field-effect transistor RF amplifier (21). The series-tuned circuit has a relatively uniform bandwidth throughout the UHF range. A capacitor (18) connected in shunt with the gate electrode (G1) completes a "split-capacitor" configuration in which the varactor diode (14) and the shunt capacitor (18) form a variable impedance transformation network for making the relationship between the effective impedances of the series-tuned circuit and FET amplifier relatively uniform throughout the UHF range. 
     The order of the varactor diode (14) and inductance element (13b) allows a low cost adjustable capacitor (19a) comprising a grounded shield wall (203) as one plate and a moveable tab (309) as a second plate to be connected directly across the varactor diode (14).
Patent EP-0337676-A2 (EP)
Inventor: TANIAI TAKAYOSHI
IPC: H03K19/177
Filed: 1989-04-07
Abstract: A programmable logic array includes a programmable logic array (5₁ - 5 n , 9, 11) being precharged and discharged in synchronism with a clock signal (CLKi) supplied thereto and outputting an operation result with respect to input data supplied thereto. The programmable logic array also includes a circuit (6₁ - 6 n , 7₁ - 7 n , 8) connected to the programmable logic array, for holding the programmable logic array in a precharged state by setting the clock signal to a fixed level when the programmable logic array is not selected and for switching the programmable logic array to a discharged state by supplying the clock signal the programmable logic array when the programmable logic array is selected, so that the programmable logic array is discharged on the basis of the contents of the input data when selected.
Patent EP-0340037-A2 (EP)
Inventor: FONG DAN SHAU CHEONG
IPC: A23L5/10
Filed: 1989-04-28
Abstract: A laminated wrap for packaging articles of food requiring browning and crispening and a degree of shielding during microwave cooking is disclosed. 
     One embodiment of a laminate of this invention is : two layers of flexible, heat resistant, microwave transparent film, (10) and (12), at least one of which is heat stable film. A layer of susceptor material (14), such as vacuum metallized aluminium, is located on an interior surface  of film (12). There is also an adhesive layer (16) used to join the layers.
Patent EP-0349262-A2 (EP)
Inventor: RECTOR JAMES W
IPC: G01V1/42
Filed: 1989-06-27
Abstract: A method of geophysical exploration is described wherein a signal is generated at the lower end of a drill string (28) and propagates into the earth and up said drill string. The signal is detected at or above the top of said drill string (28) and at other locations substantially at the earth's surface. The signal detected at or above the top of the drill string (28) is utilized to develop an operator to reduce the magnitude of drill string multiples in the signal detected by the field sensors.
Patent EP-0357394-A2 (EP)
Inventor: MATSUURA MITSUYUKI MITSUBISHI
IPC: C08F297/08
Filed: 1989-08-30
Abstract: Block copolymers of propylene with ethylene is produced by solvent-free, two-step polymerization comprising polymerization of propylene in a first step and subsequent polymerization of propylene with ethylene in a second step. The catalyst and the polymerization conditions or particulars are specified.
Patent EP-0367486-A2 (EP)
Inventor: YUCHI SADATAKA
IPC: G08B25/00
Filed: 1989-10-26
Abstract: A fire alarm system includes a receiver (1) adapted to detect the presence of a fire on the basis of analog detection data contained in a received signal which is connected by means of a transmission line (2) to a plurality of analog type sensors (3), each of which is arranged in a respective monitoring area monitored by the receiver and is adapted to produce analog detection data representative of the value of a parameter, or a change thereof, caused by a fire and to transmit the data to the receiver. Associated with each analog type sensor (3) is a plurality of on-off type sensors (7) which are arranged in the same monitoring area as the associated analog type sensor, are adapted to be switched to produce a fire signal when the change in the said parameter exceeds a predetermined threshold value and are connected to a common signal line (6) connected to the associated analog type sensor (3).
Patent EP-0369742-A2 (EP)
Inventor: CRADDOCK RUSSELL WILLIAM
IPC: H03H11/24
Filed: 1989-11-14
Abstract: An output of a first amplifier (OP2) is coupled to the input of a second amplifier (OP3) by a coupling capacitor (C3). A resistor (R15) connects one plate of the capacitor (C3) to a reference voltage supplied by a potential divider (R13, R14). A field effect transistor (TR3) is connected across the resistor (R15) with its gate connected to the connection between a resistor (R16) and a capacitor (C6) which are connected in series between power supply lines so that the coupling capacitor (C3) is rapidly charged when power is applied.
Patent EP-0369779-A2 (EP)
Inventor: KOMINE TAKAYUKI
IPC: H04N1/393
Filed: 1989-11-15
Abstract: There is disclosed a color image processing apparatus in which a color resolution plates including a plurality of color components into which an original image is solved is read out, the signals obtained by reading out the color resolution plates are stored into respective frame memories, the signals stored into respective memories are read out, and a color image is formed by combining the read out signals.
Patent EP-0372942-A2 (EP)
Inventor: LEKSELL DAVID
IPC: H05B33/06
Filed: 1989-12-07
Abstract: A thin electroluminescent edge emitter structure having an integral beam-shaping lens system includes a common electrode layer disposed on a layer of substrate material. A first dielectric layer is disposed on the common electrode layer, a second dielectric layer is spaced from the first dielectric layer, and a phosphor layer is interposed between the first and second dielectric layers. The phosphor layer has an edge face extending between the first and second dielectric layers. A plurality of control electrodes are disposed on the second dielectric layer, and the common electrode layer, first and second dielectric layers with the phosphor layer interposed therebetween and the plurality of control electrodes define a plurality of pixels. Each of the pixels has a light-emitting face formed from at least the phosphor layer edge face. The plurality of control electrodes and the common electrode are adapted to be connected with an excitation source for applying an excitation signal to selected pixels. The application of an excitation signal to an individual pixel caused the pixel to radiate light energy within the phosphor layer associated with the pixel in in at lease a direction towards the pixel light-emitting face. The light-emitting face of the pixel is shaped to a preselected contour to define an optical lens integral therewith to project the light energy passed therethrough in a preselected direction and form a beam of light energy having a preselected beam pattern.