baber/WOPTO huggingface dataset:
Patent EP-0320022-A2 (EP)
Inventor: SATO KENICHI
IPC: G11B20/10
Filed: 1988-12-12
Abstract: A direct current restoration circuit in a digital VTR restores a low frequency component as cut off in an inputted digital signal. The direct current restoration circuit has a feedback loop having variable gain, this gain being controlled according to a level of the signal obtained by adding an inputted signal and a signal as fed back. Therefore, the gain of the feedback loop can be precisely controlled irrespective of wanderings of base line of the inputted signal. In addition, the feedback loop is cut off over a predetermined period including the time of switching of a magnetic head, so that waveform distortion at the time of switching can be prevented from being enlarged by the direct current restoration circuit. Additionally, the gain of the feedback loop is changed according to switching of the magnetic head, so that the low frequency component can be suitably compensated for respective reproducing channel.
Patent EP-0321044-A2 (EP)
Inventor: GOODHUE GREGORY KENTON
IPC: G06F12/02
Filed: 1988-12-13
Abstract: Page-mode-organized ROMs and associated circuitry are connected only to data and control buses in an informa­tion processing system. Addressing and reading of the ROMs are controlled by a processor without connecting the ROMs to an address bus.
Patent EP-0279598-A2 (EP)
Inventor: LOWE III JOHN ADAMS
IPC: C07D233/54
Filed: 1988-02-12
Abstract: An arylpiperazinyl-alkylenephenyl-p-heterocyclic compound, useful in the treatment of psychotic disorders, of the formula-
      or a pharmaceutically-acceptable acid-addition salt thereof, 
wherein:- 
    Ar is phenyl, 3-trifluoromethylphenyl, 3-cyanopyridyl, naphthyl, or a five- or six-membered aromatic heterocyclic ring, said ring being attached to the N atom of the adjacent piperazinyl group by a carbon atom and having one nitrogen, oxygen or sulfur, or two nitrogens one of which may be replaced by oxygen or sulfur, or said heterocyclic ring is condensed with benzo, said naphthyl, heterocyclic and benzoheterocyclic rings being optionally substituted by one fluoro, chloro or trifluoromethyl substituent, said substitution in the case of said naphthyl and benzoheterocyclic rings being in the ring not attached to the piperazinyl group; 
    n is 2, 3 or 4; 
  and "Het" is a group of the formula:-
      in which R is H or C₁-C₃ alkyl, 
and Y is -H, -OH, -SH, -NH₂, C₁-C₃ alkyl or C₁-C₃ alkylamino.
Patent EP-0295843-A2 (EP)
Inventor: BLASS CLIVE
IPC: F16M11/26
Filed: 1988-06-13
Abstract: An adjustable support member in which an inner tube (3) is slidably and telescopically mounted in an outer tube (1). Relative axial movement between the inner tube (3) and the outer tube (1) is prevented by a locking mechanism actuated by a movable end cap (6) connected by an actuator rod (9) to a cup (8) mounting balls (12) which protrude through holes therein. A cone (4) is fitted into the free end of the inner tube (3). A spring (7) acts against a collar (11) fitted to the actuator rod (9) to draw the cup (8) towards the cone (4) thereby forcing the balls (12) to jam against the inside surface of the outer tube (1) and axially fix the position of the inner tube (3) relative to the outer tube (1).
Patent EP-0303468-A2 (EP)
Inventor: RAMALINGAM BALASUBRAMANIAM
IPC: B32B27/38
Filed: 1988-08-10
Abstract: A one-part composition for application to a substrate, e.g., automotive metal body panels, to provide reinforcement thereto is a thixotropic admixture containing as essential components (a) a heat curable epoxy resin system including the reaction product in the presence of a catalyst of at least one epoxy resin with a carboxy terminated elastomer, (b) dicyandiamide, and (c) a plurality of inorganic particulate filler materials, at least one of which is capable of imparting thixotropic properties to the composition. The method of reinforcing the substrate involves coating the one-part epoxy resin containing composition onto at least a portion thereof in a heated condition and thereafter curing the composition at a temperature higher than the coating temperature. Resulting reinforced substrates have tenaciously adhered thereto on at least a portion of one surface thereof a thermoset layer formed by the hot coating and then curing thereon of the thixotropic composition.
Patent EP-0306246-A2 (EP)
Inventor: SHIMAZAKI HIROSHI
IPC: G03C7/396
Filed: 1988-08-26
Abstract: A silver halide photographic material that contains a polymer including a repeating unit represented by the following general formula (I) and having a weight average molecular weight of no more than 30,000:
     where R 1  is a hydrogen atom or an alkyl group; Z represents the atomic group necessary to form a lactam ring, an oxazolidone ring or a pyrrolidone ring; A is a simple linkage, -CO-, -COO(CH 2  or -CONR 2 (CH 2  where R 2  is a hydrogen atom or an alkyl group, and n is an integer of 1 - 6. This photographic material experiences a minimum level of increase in fogging during rapid processing and produces image having improved sharpness and granularity.
Patent EP-0310254-A2 (EP)
Inventor: MOHN FRANK
IPC: F04B53/12
Filed: 1988-09-05
Abstract: Pump units with reciprocably movable pistons driven by linear electric motors move substantially equal volumes of fluid on each stroke. Two pistons (10,11) can be moved alternately towards and away from each other, or a piston assembly comprising a piston (60;85) is reciprocated in a cylinder (61;82) together with a discharge tube (56;99) extending from the piston into a discharge duct (75;102).
Patent EP-0307246-A2 (EP)
Inventor: YAMAZAKI SHUNPEI
IPC: C04B41/87
Filed: 1988-09-07
Abstract: A method of manufacturing Josephson devices is described. A superconducting ceramics film is deposited on a non-conductive surface and partly spoiled in order to form a barrier film by means of which two superconducting regions are separated. The spoiling is performed by adding a spoiling element into the ceramics film by ion implantation.
Patent EP-0311331-A2 (EP)
Inventor: RUTT HARVEY NICHOLAS
IPC: H01L39/14
Filed: 1988-10-03
Abstract: A method of manufacturing an electrical circuit element from high temperature superconducting ceramic materials as hereinbefore defined, comprising the operation of scanning over regions of the surface of a body of superconducting ceramic material a beam of radiation having an energy density sufficient to raise the temperature of irradiated regions of the body of superconducting material to a level sufficient to destroy the superconducting properties of the ceramic material so as to provide regions of the body of ceramic material which no longer are superconducting interspersed with regions which still are superconducting so as to form the said electrical circuit element.
Patent EP-0301931-A2 (EP)
Inventor: BERTHE JEAN-PAUL
IPC: G05B19/4065
Filed: 1988-07-06
Abstract: The method consists in measuring the speed of rotation of the tool, in calculating values representing the instantaneous speed several times per revolution, in storing these values representing the instantaneous speed over several revolutions and in processing these values to furnish a factor representing tool wear. <IMAGE>
Patent EP-0322290-A2 (EP)
Inventor: DESMURS JEAN-ROGER
IPC: C07C211/48
Filed: 1988-12-16
Abstract: A new process for allylation of perhaloalkyl, perhaloalkoxy and perhaloalkylthio anilines with an allyl halide in the presence of metals such as copper and palladium. 
<??>The invention enables the allylation yields to be markedly increased.
Patent EP-0309364-A2 (EP)
Inventor: BLIND ANDRE
IPC: C08G18/82
Filed: 1988-09-12
Abstract: La présente invention concerne la purification et l'isolement de condensats d'isocyanates à groupes NCO libres obtenus à partir de di- ou polyisocyanates aromatiques en excès et d'au moins un composé antagoniste possédant au moins deux groupements réactifs vis-à-vis des groupes NCO, ledit composé antagoniste pouvant être un diisocyanate aromatique. Elle comprend essentiellement le traitement par un gaz inerte à l'état liquide ou supercritique desdits condensats bruts et à groupes NCO libres. On obtient ainsi un polyisocyanate contenant une très faible quantité de diisocyanate aromatique libre.
Patent EP-0285571-A2 (EP)
Inventor: SEITZ KARL DR
IPC: D06P3/66
Filed: 1988-03-28
Abstract: Reactive dyes of the formula 
<IMAGE>
 are suitable in particular for dyeing and printing cellulose-containing fibre materials by the cold pad-batch method, producing dyeings and prints having good fastness properties in a high colouristic yield.
Patent EP-0324388-A2 (EP)
Inventor: GLEIM GUNTER DIPL-ING
IPC: H02P23/16
Filed: 1989-01-07
Abstract: A method and device for controlling the speed of a rotor. Tachogenerators, by means of which the speed of the rotor can be determined, are used for the electronic regulation of drives. The regulation accuracy of known methods is limited by the mechanical tolerance of the tachogenerator elements. A correction value is obtained according to the invention to compensate for the tolerances, in that the motor driving the rotor is initially accelerated to its nominal speed, time intervals between successive pulses are then determined, as well as the total time for one revolution, the number of pulses occurring during one revolution being used to determine an even time pattern, and the desired correction values then being determined from the deviations of the pulses from the time pattern. The invention can be used for motors in which the motor is required to carry out an accurate sequence of acceleration and braking processes as well as precisely maintaining a nominal speed. Applications are motors for digital or analog signal recording units.
Patent EP-0339196-A2 (EP)
Inventor: HAPPLE KARL DIPL-ING
IPC: F26B25/00
Filed: 1989-02-15
Abstract: The discharge device of a column dryer has numerous funnels (15), under which sliders (22) are arranged. Each slider (22) is displaceable between a first operating position (B11), in which one slot edge (17a) of the funnel is opened, and a second operating position (B21), in which the other slot edge (17b) is opened, the operating positions changing periodically. For residual emptying, the slider (22) can be moved into a position (B3) outside the slot (17). <IMAGE>
Patent EP-0330181-A2 (EP)
Inventor: SEKIDO MASAO C O KASHIMA SEIYU
IPC: D04H3/002
Filed: 1989-02-22
Abstract: A process for producing non-woven fabrics having a high bulk density, uniform porosity and little charac­teristic of so-called interlayer detachment are provided by subjecting an infusiblized sheet of pitch fibers to a heat treatment at a temperature higher than the softening temperature of the pitch fibers and lower than the soften­ing temperature plus 300°C, while applying a pressure to the surface of said sheet substantially in the vertical direction thereof.
Patent EP-0340587-A2 (EP)
Inventor: STOLL GERHARD DR
IPC: C07C67/00
Filed: 1989-04-24
Abstract: Long-chain carbon compounds having vicinal diol groups are prepared by reaction of epoxy compounds from the group comprising epoxidised unsaturated C16-C22-fatty alcohols, epoxidised esters of unsaturated C16-C22-fatty alcohols with C2-C5-monocarboxylic acids, epoxidised unsaturated C16-C22-fatty acid esters, epoxidised unsaturated C16-C22- fatty acid glycerides and epoxidised C8-C22-alkenes with water. This process produces the desired vicinal diols in a smooth reaction if the epoxy compounds are hydrolysed at temperatures of 180 to 250 DEG C and a pressure of 15 to 40 bar in the absence of compounds catalysing the ring opening of oxirane groups and of organic solvents.
Patent EP-0377815-A2 (EP)
Inventor: ARCARO CARLO
IPC: H02K5/10
Filed: 1989-11-27
Abstract: According to the invention the protection means, having the purpose of obtaining an IP 45 degree of protection, comprise a protection (3) positioned at the cooling-air inlet, which presents a lid (32) and a bottom (31) connected with each other and with an interposed filtering element (33), wherein the outer surface of the lid has a labyrinth-like structure constistuted by a set of horizontally arranged strips (36), shaped so as to present an upper indentation (37) and a lower part (38) protruding toward the exterior; the element (4) positioned at the outlet comprises an open box-like structure having an essentially prismatic shape, and it presents a plurality of vertical partition walls (41) which form between each other a plurality of channels (46), wherein each of said partition walls presents some deflecting walls (47) arranged at an inclined position in relation to the direction of the air-outlet; the bottom of said element (4) positioned at the outlet presents a labyrinth-like structure consisting of a horizontal metal sheet (42) bent in a "C" shape whithin which yet another lower flat metal sheet (45) is inserted.
Patent EP-0376270-A2 (EP)
Inventor: TSUCHIYA YUZO C O INTELLECTUAL
IPC: G11B15/665
Filed: 1989-12-27
Abstract: A cassette holder (112) holds a cassette, and is disposed to be substantially horizontally movable. A loading mechanism includes a guide member (24) for guiding the cassette holder (112) to load or unload the cassette, and a worm wheel (30a) for driving the guide member (24). A worm unit (37) includes a worm (136) meshed with the worm wheel (30a), a rotating member (135) coaxially mounted at one end of the worm (136), and thrust and radial bearings (35, 36) coaxially mounted between the worm (136) and the rotating member (135), the worm (30a) being driven in accordance with the transmission of rotation from a drive source to the rotating member (135). A mounting mechanism (38), to which the worm unit (37) is mounted, includes a first elastic support member (39) for elastically supporting the other end of the worm (136), and a second elastic support member (40) for elastically supporting the radial bearing (35).
Patent EP-0335451-A2 (EP)
Inventor: VAN DER KROL ALEXANDER RONALD
IPC: C12N15/82
Filed: 1989-03-22
Abstract: The invention relates to genetically engineered plant cells which have been provided with an antisense gene of a natural gene of the host. Preferably, the gene concerned is a gene of the phenyl propanoid pathway, in particular the gene coding for chalcone synthase (CHS). Introduction of antisense CHS cDNA in Petunia results in different flower pigmentation phenotypes. The invention extends to recombinant DNA comprising the antisense gene.
Patent EP-0330395-A2 (EP)
Inventor: SAKAI KUNIHIRO
IPC: H01L51/30
Filed: 1989-02-20
Abstract: A switching element comprises two electrodes and an insulating or semiconductive region interposed between the two electrodes, and further comprises a photosensitive region having electrical characteristics which are changed by irradiation of light.
Patent EP-0357397-A2 (EP)
Inventor: CRAIG TIMOTHY REID
IPC: G06F3/041
Filed: 1989-08-30
Abstract: A position sensing apparatus that can be used with a compatible digitising tablet to generate positional and rotational information. 
     The apparatus contains two mutually perpendicular windings (10,14) which are fed with AC waveforms on phase quadrature. The magnetic field generated by these windings is detected by windings (12) in the digitising tablet. 
     Alternatively, the perpendicular coils may be used to detect an externally generated magnetic field. A further winding (16) can be added to give positional information. All windings can be arranged in a disclosed manner, and incorporated into a hand held system.
Patent EP-0368563-A2 (EP)
Inventor: SHIOJI SHORBU
IPC: E21B21/00
Filed: 1989-11-02
Abstract: This invention provides drilling fluid additives composed of copolymers which are obtainable by an industrially favorable process and superior in heat-resisting property. Furthermore, even though the additives are used in a relatively small amount, those sufficiently prevent change in properties of drilling fluid due to various kinds of hard water components being contained in underground water or cement as well as due to sea water, and the additives are able to display the properties of drilling fluid constantly regardless of presence or absence of salts. 
     Drilling fluid additives of the present invention are composed of water-soluble copolymer ( A ) having average molecular weight of 1,000 - 50,000, which are led from monomer components composed of a monomer ( I ) of 40 - 99.5 molar percentages in a series of unsaturated carboxylic acids, as shown in the following general formula ( I ), and an unsaturated monomer ( II ) of 0.5 - 60 molar percentages in a series of ( meth )allylethers, as shown in the general formula ( II ).
     
       
     In the formula ( I ), each of A 1  and A 2  independently represents hydrogen, methyl, or -COOX 2 , and A 1  and A 2  are not -COOX 2  at the same time. A3 represents hydrogen, methyl, or -CH 2 COOX 3  and, in a case that A3 is -CH 2 COOX 3 , each of A 1  and A 2  independently represents hydrogen or methyl. Each of X 1 , X 2 , and X 3 , independently or at the same time represents hydrogen, monovalent metal, divalent metal, ammonium, or organic amine. 
     In the formula ( II ) R 1  represents hydrogen or methyl , and Z represents hydroxyl; a sulfonic acid group or its monovalent metal salt, divalent metal salt, ammonium salt, and organic amine salt; a phosphoric ( or phosphorous ) acid group or its monovalent metal salt, divalent metal salt, ammonium salt, and organic amine salt.
Patent EP-0324723-A2 (EP)
Inventor: PERREN BEAT
IPC: B64D1/06
Filed: 1989-01-11
Abstract: The avalanche is started by a detonation generated above the snow cover. For this, a bar-shaped explosive body (1) is dropped in a vertical position from a hovering helicopter onto the snow cover in such a way that its lower tapered end (3) penetrates into the snow cover and keeps the explosive body (1) in the vertical position during detonation. For this, there is a holding device which is to be suspended on the helicopter and which has for each of a plurality of explosive bodies (1) a vertical holding and guide tube, in which the explosive body is held by a releasable pawl. The pawl can be released from the helicopter, whereupon the explosive body, initially guided in the holding and guide tube in its longitudinal direction, falls down vertically. A time fuse is triggered simultaneously. <IMAGE>
Patent EP-0345231-A2 (EP)
Inventor: FORNARA MARCO
IPC: B05B1/18
Filed: 1989-05-24
Abstract: A fixed or manual water distributor for showers or similar (10), comprising an arrangement of Venturi passages (18) for inlet of a second fluid, for example air, said passages being placed in proximity of the distribution section (16).
Patent EP-0375644-A2 (EP)
Inventor: SJOLUND HANS
IPC: B42F15/06
Filed: 1989-12-18
Abstract: A handle (1) for being attached to offset printing sheets (10) and similar objects such that these objects can be handled in a simple, safe and careful way. The handle comprises one arm (2) to be held by the hand and one arm (3) to be locked to the object (10).
Patent EP-0379978-A2 (EP)
Inventor: NISHIWAKI OSAMU
IPC: C09D11/00
Filed: 1990-01-18
Abstract: A recording liquid containing a dye, glycerine, an aliphatic monohydric alcohol and water. The dye is a mixture of C.I. Food Black 2 and at least one compound selected from compounds which are represented by the following general formulas [I] and [II]:
      [where Q1 is a phenyl group or a naphthyl group which are substituted by a lower alkyl carbonylamino group and a lower alkoxy group or a naphthyl group substituted by a SO₃M group, Q2 is a naphthyl group substituted by a SO₃M group or a phenyl group substituted by a lower alkoxy group, Q3 is a phenyl group, a naphthyl group, or a phenyl group or a naphthyl group which are substituted by a SO₃M group, R₁ and R₂ are each a lower alkyl group, a lower   alkoxy group or a lower alkyl carbonylamino group, R₃ is a hydrogen or a phenyl group substituted by a SO₃M group, n is 0 or 1, and M is an alkaline metal or an ammonium cation.
Patent EP-0387522-A2 (EP)
Title: Personal verification apparatus
Inventor: TAKEDA MASAHIRO C O INTELL PRO
IPC: G07C9/00
Filed: 1990-02-07
Abstract: When verification is performed using a plurality of fingers in accordance with a positional relationship of the joints of the fingers, an image of the plurality of fingers is separated into the images of the respective fingers, and comparison and collation are individually performed for the fingers. Phase data of each finger can be individually extracted, and a collation result of the fingers and phase shift data between the fingers based on phase data are generally determined. A guide member for guiding the placement of the fingers is mounted on a finger table to define positions at which the plurality of fingers are placed.
Patent EP-0385473-A2 (EP)
Inventor: NAGELKIRK ROBERT A
IPC: A47C1/032
Filed: 1990-03-01
Abstract: A chair (10) comprises a base (12), a column (26) on the base, a housing (34) on the column and supporting a chair seat and back (162), a height adjustment means mounted to and between the base and the housing for longitudinal adjustment to alter relative height of the sea. The chair also includes a tilt adjustment means comprising a chair back (162) support means pivotally mounted to the housing for movement between upright and reclining positions, means for biasing the chair back support means in the upright position, tension control means movably engageable with the biasing means for adjusting tension thereof and tilt actuating means movably mounted to the housing for actuating movement of the tension control means. The tilt actuating means comprises an elongated rod rotatably mounted to the housing. The height actuating means comprises an elongated tube rotatably mounted to the housing in telescopic relationship to the actuating rod.
Patent EP-0394877-A2 (EP)
Inventor: YATSU MASAHIKO RM CHIGASAKI DO
IPC: G02B15/17
Filed: 1990-04-20
Abstract: A zoom lens system comprises, from an objective sequentially, a first lens group (1) having a positive refraction index, a second and a third lens groups (2) and (3) having negative refraction indices and performing a zooming function by moving along an optical axis, a fourth lens group (4) having a positive refraction index and being always stationary and a fifth lens group (5) having a positive refraction index and having a triplet structure including, from an object side sequentially, a first lens (9) having a positive refraction index, a second meniscus lens (10) having a negative refraction index and a third lens (11) having a positive refraction index, the fourth lens group including a lens at least one surface of which is aspherical, the first or the fifth lens group being movale as a whole or partially along an optical axis to perform a focusing function. The first, second and third lens groups satisfy the following condition: 
2.7 < |f I  /f II | < 3.6 
1.0 < |f I  /f III | < 1.9 
3.8 < f I  /f W  < 4.9 
where f I  is a focal lengh of the first lens group, f II  is a focal length of the second lens group, F III  is a focal length   of the third lens group and f W  is a focal length of the whole system at wide-angle end of the zoom lens.
Patent EP-0410385-A2 (EP)
Inventor: KOBAYASHI JUNICHIRO C O SONY C
IPC: H01L21/28
Filed: 1990-07-24
Abstract: A method for manufacturing a semiconductor device, comprising the steps of forming a first resist layer (4), an intermediate layer (5) and a second resist layer (6) sequentially on a substrate (1); forming an aperture by removing a portion of the second resist layer (6) where a T-shaped gate (13) is to be later formed; over-­etching a portion of the intermediate layer (5) opposed to the aperture thereby forming in the intermediate layer (5) an aperture larger than the first-mentioned aperture; and forming, in the first resist layer (4), an aperture which is smaller than the aperture in the second resist layer (6) which is positioned inside thereof. Due to the combination of such successive steps, the lift-off process required to form a desires T-shaped gate (13) can be substantially improved.