baber/WOPTO huggingface dataset:
Patent EP-0334519-A2 (EP)
Inventor: NORMAN LESLIE DAVID
IPC: F16L55/033
Filed: 1989-03-10
Abstract: A flow control member for a flow control valve comprises a flexible cylindrical sleeve (4) inwardly deformable by relative rotation of the circular ends thereof to restrict the rate of flow therethrough. The sleeve (4) comprises a first cylindrical portion (4a) formed of a close-mesh textile material and a second cylindrical portion (4b) formed of an elastomeric material fixedly connected to and coaxial with the first portion (4a). The relative lengths of the first and second portions (4a,4b) are such that, in use, the connection (4c) between the first and second portions (4a,4b) lies at or downstream of the cross-sectional area of greatest restriction of the sleeve (4).
Patent EP-0335576-A2 (EP)
Inventor: REED ROBERT
IPC: D21C9/00
Filed: 1989-03-22
Abstract: Dry market pulp is made by shearing a cellulosic suspension and draining it through a screen to form a pulp sheet which is then dried, and the productivity of the process is increased by adding a water soluble cationic polymer before the shearing and bentonite or other suitable inorganic material after the shearing.
Patent EP-0358295-A2 (EP)
Inventor: NAKAYAMA KAZUAKI C O PIONEER E
IPC: H04S3/00
Filed: 1989-03-31
Abstract: A sum/differential signal processing circuit for use in a sound reproduction system, such as a Dolby surround processing system, includes a pair of operational amplifiers (IC₁,IC₂), a resistor (R₅) connected between the inverting input terminals of the operational amplifiers (IC₁,IC₂), two resistors (R₈,R₉) connected between the output terminals of the operational amplifiers (IC₁,IC₂), a signal output terminal connected to a junction between the two resistors (R₈,R₉) for producing the sum of output signals from the output terminals of the operational amplifiers (IC₁,IC₂). A make switch (SW), connected across one of the two resistors (R₈) is selectively rendered ON and OFF. When the make switch (SW) is ON, the sum of output signals of the operational amplifiers (IC₁,IC₂) is derived from the signal output terminal while when the make switch (SW) is OFF, the difference between the output signals thereof is derived therefrom. Even when a monaural signal is applied to each of the two signal input terminals, the signal is not cancelled by the circuit thus arranged.
Patent EP-0343913-A2 (EP)
Inventor: MACDONALD IAN ROBERT
IPC: E02D5/76
Filed: 1989-05-23
Abstract: The invention is directed to construction implements and methods for their use in the construction of retaining walls, revetments, road ways, suspended floor spans and the like. The basic element is a support sheet comprising an essentially quadrangular sheet (1) folded about at least one longitudinal axis (2) to produce at least one fold in the sheet (1). This sheet (1) can be used to construct a load bearing surface at any angle. The support sheet can be driven into the ground with the aid of various adapters and attachments. Optionally, for additional strength, the sheet (1) can be tied to the ground by various anchor and rod assemblies. The anchor is pivotally connected to a rod (35) and positioned in the ground in a closed position. When appropriate tension is applied to the rod (35), the anchor assumes an open position and bites into the ground.
Patent EP-0358486-A2 (EP)
Inventor: MOMOSE YOICHI
IPC: G09G3/36
Filed: 1989-09-06
Abstract: The invention provides a method of driving a liquid crystal display having a plurality of scanning electrodes (Y1 to Y8), a plurality of signal electrodes (X1 to X6), and pixels formed at intersections of the scanning electrodes and the signal electrodes. The method comprises applying a scanning voltage successively to each of the scanning electrodes in respective selection periods, and in each selection period applying a selecting voltage to those signal electrodes on which pixels are selected and a non-­selecting voltage to those signal electrodes on which pixels are not selected for providing a display. In accordance with the invention, the voltage applied to the signal electrodes is altered within each selection period.
Patent EP-0361707-A2 (EP)
Inventor: HABERSTROH ROBERT W
IPC: F16C11/06
Filed: 1989-09-06
Abstract: A protective cover for a flexible joint having a socket member (30) with a cavity (32), a stud (34) having a free end projecting from the cavity and a seal (38) engaged with the socket member (30) and the stud (34) includes a first generally tubular section (12) having a frangible plug (14) situated therein with the tubular section (12) and the plug (14) being adapted for encasing the free end of the stud (34) and a second generally tubular section (16) integral with the first tubular section comprising a tubular base with an expandable skirt (20) adapted for encasing the seal (38).
Patent EP-0369651-A2 (EP)
Inventor: MUHLHAUSEN ROBERT A C O MINNES
IPC: G11B23/03
Filed: 1989-11-03
Abstract: A disk cartridge 10 for a rotatable recording disk 16 includes a slidable shutter 20 for providing access to the recording disk 16 through the disk cartridge 10. The disk cartridge 10 is provided with a locking mechanism 42 for preventing movement of the recording disk 16 within the disk cartridge 10 during storage.
Patent EP-0371716-A2 (EP)
Inventor: OTSUKA MASAAKI
IPC: C03C3/247
Filed: 1989-11-27
Abstract: A fluorophosphate optical glass having optical con­stants, i.e. a refractive index of 1.45 to 1.54 and an Abbe number of 75 to 90, preferably 75 to 89.5, useful as a lens for an optical instrument to obtain a good quality image, is provided, which has a chemical composition (% by mole) com­prising: 
               P₂O₅   6.8 - 19.0 %     Al₂O₃   1.5 - 6.0 %     BaO   0.3 - 6.6 %     AlF₃   16.6 - 26.3 %     MgF₂   2.5 - 19.0 %     CaF₂   8.0 - 28.0 %     SrF₂   9.7 - 35.0 %     BaF₂   7.9 - 35.0 %     NaF   0.5 - 4.0 %     Gd₂O₃   1.0 - 6.0 %     Y₂O₃   0 - 3.5 %     La₂O₃   0 - 3.5 %     Yb₂O₃   0 - 3.5 %     the sum of Gd₂O₃, Y₂O₃, La₂O₃ and Yb₂O₃ being 1.0 - 6.0 %     GdF₃   0 - 2.0 %     CaO   0 - 3.5 %     SrO   0 - 3.5 %     ZnO   0 - 3.5 %     MgO   0 - 3.5 %
Patent EP-0324724-A2 (EP)
Inventor: WENGER RENE
IPC: B25B5/10
Filed: 1989-01-12
Abstract: A woodworkers clamp is described having two clamping faces (3, 6), the one face being part of an L-shaped arm (2) and the other being mounted in a thread (7) on a second arm (4), the second arm being slidably mounted on the first L-shaped arm, whereby rotation of the threaded portion tends to force the two clamping faces together. The improvement of the invention resides in providing either an internal socket (13) or an external nut (12) to which a spanner can be applied to generate additional rotational force to the handle of the second arm.
Patent EP-0326529-A2 (EP)
Inventor: FONTANA ANTONIO
IPC: B65D1/09
Filed: 1989-01-26
Abstract: Of the set of webs running down the middle of the strip, those at the ends take the form of lugs (4), each affor­ding a tranverse butt (5) for propulsion purposes and a pair of triangular ribs (6), one on either side, that prevent entanglement; the webs of the top set (7, 7′) are the same size throughout, those at eiher end likewise affording respective butts (10), and all are moulded with a stiffening flange (9) along the exposed edge that projects on either side to the same widths as the butts (at all events, no wider than the shell (1) of the single phial), and provides a firm base when the strip is upturned and in motion. To advantage, the creases formed in the webs to facilitate separation of the phials are angled (18), chevron (11), curved (24). staggered (30, 32) or zigzag (34), so as to avoid the plain upright creases that cause conventio­nal strips to bend under stress.
Patent EP-0329646-A2 (EP)
Inventor: KANOTSCHER ALEXANDER
IPC: A61C19/06
Filed: 1989-02-17
Abstract: A mixing plate arrangement for mixing moulding materials for dentistry comprises a tank (2) and a troughed plate (1) which closes the tank in the manner of a lid. The troughs (3) have apertures (5) towards the tank (2), which is substantially filled with a mat of an absorbent material (6). The tank (2) is connected via a line (7) to a liquid container (4), the liquid level in which is higher than the level of the troughed plate (1). As a result, liquid is pressed into the absorbent material (6) and through the apertures (5) into the troughs (3). The extent of moistening of the troughs (3) can be set by means of a flow regulator (10). <IMAGE>
Patent EP-0386556-A2 (EP)
Inventor: BREMEKAMP HANSGEORG DIPL-ING
IPC: B22D23/10
Filed: 1990-02-24
Abstract: Particularly in the field of comminution technology, components are required in which the wear-resistant zone covered with sintered material particles would have to run parallel to the axis of solidification of the composite body to be produced. For this purpose, a production process using electroslag remelting and proceeding with addition of sintered material particles is proposed, wherein, during the electroslag remelting, the sintered material particles are fed continuously and, at least on a part of the mould circumference, an inward-directed magnetic field is generated, by means of which the sintered material particles are caused to be incorporated in at least one peripheral section and over the height of the block building up in the longitudinal direction of the mould. <IMAGE>
Patent EP-0393720-A2 (EP)
Title: Silver halide photographic materials
Inventor: OKAMURA HISASHI
IPC: G03C1/06
Filed: 1990-04-23
Abstract: A silver halide photographic material is disclosed, which has at least one compound represented general formula (1):
     wherein R represents an aliphatic group, an aromatic group, or a heterocyclic group; both L and Time represent a divalent organic group; t represents 0 or 1; PUG represents a photographically useful group; Y represents -S0 2 -, -Y -S0 2 -, or
     and Y represents -O-, -NH-, or
       
     The material has a broad exposure latitude in line image-taking work and has a high resolving power in the work. It can form an ultrahard image having a high gamma value of 10 or more. The material may excellently reproduce a line original to form an ultrahard image having a high background density. It also has a broad exposure latitude in halftone dot image-taking work and can form a halftone dot image having ultrahigh contrast with high image quality.
Patent EP-0395058-A2 (EP)
Inventor: HO CHANG DONG
IPC: H04N5/44
Filed: 1990-04-26
Abstract: Method for automatically controlling the optimal tuning point for receiving teletext increases or decreases the tuning point by steps of a certain frequency for the byte error at each step tuning point to be detected and memorized so that the tuning point for the minimal byte error is found to provide the optimal tuning frequency for receiving a teletext, thus eliminating the inconvenience of manipulating a key to find the optimal tuning point from the display on a TV screen. The system of the method employs a microprocessor and a teletext processor in addition to the tuner.
Patent EP-0399342-A2 (EP)
Inventor: MAEKAWA HIDEAKI
IPC: G03C1/34
Filed: 1990-05-16
Abstract: A silver halide photographic emulsion containing silver halide grains having a silver chloride content of not less than 90 mol% and a method for preparing thereof are disclosed, wherein the silver halide grains are obtained by forming said silver halide grains in the presence of a water-soluble iridium compound and a nitrogen-containing heterocyclic compound capable of forming sparingly-soluble silver salt; and by controlling the addition of said iridium compound, whereby the photographic emulsion is improved in the dependence of gradation on exposure intensity.
Patent EP-0412499-A2 (EP)
Inventor: FISCHER HARTMUT DR
IPC: C08G65/40
Filed: 1990-08-07
Abstract: In the process for the preparation of an aromatic polyether by condensation of the reactants in the presence of metal carbonates of the first group of the Periodic Table and as condensation agents, the metal carbonates sodium carbonate or sodium bicarbonate or mixtures thereof are used in the form of very finely milled salts. …<??>The fine distribution of the carbonate permits a substantial reduction in the reaction times and makes it possible to prepare polyethers having a defined degree of condensation in a reproducible manner.
Patent EP-0422558-A2 (EP)
Inventor: YOSHIDA HIDEAKI C O MITSUBISHI
IPC: H01L29/06
Filed: 1990-10-08
Abstract: A ceramic substrate is used for an electric or electronic circuit comprises a ceramic plate (11) formed of a substance mainly composed of aluminum nitride, and conductive islands (12/13) formed of aluminum or an aluminum alloy and bonded to one surface of said ceramic plate for providing conductive paths to circuit components (16/17) connected thereto, wherein the alumi­num or aluminum-alloy islands decrease the total weight of the ceramic substrate and enhance a resistance against repetition of a thermal stress.
Patent EP-0423631-A2 (EP)
Inventor: SCHOEFFL RAINER
IPC: F42B23/24
Filed: 1990-10-12
Abstract: A cardan joint (4) between an active body (2, 2'), if appropriate having a special active-body mounting (24), and a stand (3) ensures that the active body (2, 2') is adjusted automatically (preferably vertically or horizontally) on the terrain, even when the stand (3) is not standing on a level base (10). <IMAGE>
Patent EP-0430296-A2 (EP)
Title: Testing apparatus for engine driven automotive component with feature of precise simulation of engine transition state
Inventor: SANO KAORU
IPC: G01M13/02
Filed: 1990-11-30
Abstract: A simulation system for an automotive internal combustion engine is designed for simulating a transition state for varying output torque according to variation of the engine driving condition. The system comprises a power plant which incorporates relatively high inertia, and means for compensating high inertia for achieving low inertia equivalent to the automotive internal combustion engine, an engine characteristics generator receiving predetermined engine operation parameter simulated data for deriving control signal commanding output torque of said power plant according to a predetermined engine output torque variation characteristics which is set in terms of said engine operation parameter simulated data, and means, cooperative with said engine characteristics generator and responsive to a torque variation command demanding said output torque from a first value to a second value, for setting a predetermined torque variation characteristics for varying said control signal value according to an elapsed time so that output torque varies from said first value to said second value within a predetermined torque variation transition period.
Patent EP-0393759-A2 (EP)
Inventor: KIRCHHOFF ROLF
IPC: B41J25/308
Filed: 1990-04-12
Abstract: For the simple and precise adjustment of a print gap in a printer, e.g. a matrix needle printer, it is proposed
 a) that the print head is moved several times back and forth between two switch points and is moved at the same time forwards in the direction of the print abutment,
 b) that the contact between the print abutment and the print head is determined by changing a parameter characterising the back and forth movement,
 c) that this change leads to the stoppage of the forward movement when a certain value is reached, and
 d) that, starting from this position with the print gap "zero", the print head is moved back by the desired value of the print gap. 
<IMAGE>
Patent EP-0395243-A2 (EP)
Inventor: BUSCALL RICHARD
IPC: C01B13/36
Filed: 1990-04-06
Abstract: A method for the preparation of colloidally stable particles of inorganic solid at high concentration which method comprises at least the step of precipitating from an aqueous medium the particles of the inorganic solid in the presence of a copolymer which comprises repeating units derived from:
     Component A: a hydrophilic oligomer or polymer bearing an addition-polymerisable olefinically-unsaturated group;   Component B: an olefinically-unsaturated compound capable of copolymerising with Component A and bearing a mineral acid group or a dicarboxylic acid group, or a carboxylic acid and a further group capable of hydrogen-bonding.
Patent EP-0392830-A2 (EP)
Inventor: TAKAHASHI HIRONORI
IPC: G01R15/24
Filed: 1990-04-11
Abstract: A voltage in a selected area of an object (20) is measured by launching an input light beam into an electrooptic material (10) whose refractive index is changed in accordance with an electric field created by the voltage in a selected area of an object to be measured, and detecting a change in polarization or in a deflection angle of an output light beam from the electrooptic material. A medium (34) having a dielectric constant greater than the air is placed between the area to be measured and the electrooptic material.
Patent EP-0408240-A2 (EP)
Inventor: LIANG SAMUEL SHU-KIANG
IPC: C01B13/34
Filed: 1990-07-04
Abstract: An apparatus and method for preparing particles of superconductor material includes a container for holding a prepared solution of barium, copper and a rare earth element dissolved in nitric acid. A nozzle is provided to release an aerosol spray of the solution onto the smooth surface of a preheated plate. Contact of the sprayed solution with the hot surface evaporates the sprayed solution to vaporise water in the solution and form an atomically mixed, homogeneous precipitate. A scraper is provided to remove the precipitate from the surface of the plate, and this precipitate is then denitrated and then calcined in a furnace.
Patent EP-0429300-A2 (EP)
Inventor: HASEGAWA KENICHI
IPC: H04M1/715
Filed: 1990-11-20
Abstract: A terminal system containing a plurality of terminal apparatuses which are connected through a two-way bus line (105) to a communication network. Each of the plurality of terminal apparatuses comprises: an incoming call detecting unit (17) for detecting an incoming call to which the terminal apparatus can respond, where the incoming call detecting unit belongs to the terminal apparatus; and a responding unit (12,18) for responding to an incoming call which is detected in the incoming call detecting unit, where the responding unit has a response time which is needed to respond to the incoming call, and is intrinsic to each terminal apparatus. Each of the plurality of terminal apparatuses further contains a timer unit (13,14,15) for detecting that a time elapsed from a time at which an incoming call is detected in the incoming call detecting unit, reaches a preset time. The above responding unit in each terminal apparatus starts an operation of responding to the incoming call when the timer unit detects that the above elapsed time reaches the preset time; and an order of priority to respond to an incoming call is predetermined over the plurality of terminal apparatuses, and lengths of the preset times in the plurality of terminal apparatuses are preset in the order of the predetermined priority.
Patent EP-0389436-A2 (EP)
Inventor: KORTH BERND
IPC: F16M11/24
Filed: 1990-03-19
Abstract: Two self-supporting tubular columns (1, 2), having slots (3) parallel to the longitudinal tube axis for receiving extension arms or support arrangements are connected to one another positively and non-positively by means of a transverse connection (4) according to the modular concept. The transverse connection (4) made of two connecting tubes (5, 6) contains at each of its ends a connection housing (8), in which, on the one hand, these two connecting tubes (5, 6) are held positively and non-positively and, on the other hand, a tensioning bracket (13) with catch projections (16) is accommodated. The catch projections (16) are intended for engagement in the slots (3) of the tubular columns (1, 2). Each of the connection housings (8) is provided at the front with a surface contour which is complementary to the outside contour of the column and a tensioning screw (17), which prestresses the tensioning bracket (13) against the connection housing, brings about a positive and non-positive contact pressure connection between the connection housings (8) and the tubular columns (1, 2). 
<IMAGE>
Patent EP-0426638-A2 (EP)
Inventor: EWEN JOHN A
IPC: C08F4/649
Filed: 1990-10-09
Abstract: The invention is for a catalyst system for polymerization of olefins using an ionic mettallocene catalyst with aluminum alkyl. The metallocene catalyst is an ion pair formed from a neutral metallocene compound and an ionizing compound. The invention can be used in any method of producing ionic metallocene catalyst. Use of aluminum alkyl with an ionic metallocene catalyst eliminates the need for using methylaluminoxane (MAO). Catalysts produced by the method of this invention have high activity. The invention reduces catalyst poisons which cause low activity, no activity or uncontrolled polymerizations. Polymerizations using this catalyst system are reproducible and controllable.
Patent EP-0440030-A2 (EP)
Inventor: NISHIDA FUMIHIKO C O DAINIPPON
IPC: G03B27/58
Filed: 1991-01-11
Abstract: In a printing apparatus, a supply pallet (11) storing an original and a photosensitive film is located above a printer (1). The films are carried onto a transparent plate (110) of the printer in this order by a carrier. Then, light from a light source (101) of the printer is directed toward the transparent plate, whereby an image provided on the original film is printed onto the photosensitive film. Thus, the printing apparatus is small in plane size.
Patent EP-0447749-A2 (EP)
Inventor: MEYERS NORBERT
IPC: H04J3/06
Filed: 1991-01-16
Abstract: In a method for the bidirectional transmission of data between a centralised multiplex device at the switching end and several multiplex devices at the subscriber end which, on the one hand, are connected to one another via a passive bus and, on the other hand, establish connections to other subscribers, it is provided that a periodically repeated time frame is divided into fixed time intervals which are unambiguously allocated to one subscriber via multiplex devices, and that different data rates are transmitted in the time intervals.
Patent EP-0444485-A2 (EP)
Inventor: KOTZIN MICHAEL D
IPC: H04B7/26
Filed: 1991-02-15
Abstract: An RF cellular TDM communication system employing offset frame synchronization between cells, any cell being omni-directional or directional, such that a frame at one cell is offset by an integral number of frames from another cell; the system incorporating multiplexed speech transcoding of traffic channels from multiple cells while supporting stringent delay requirements. Offset frame synchronization (255) for providing rapid mobile assisted handoff.
Patent EP-0463372-A2 (EP)
Inventor: HORNBECK LARRY J
IPC: H01L27/092
Filed: 1991-05-24
Abstract: DMD projection light values for HDTV have various manufacturing requirements, including the high yield integration of the DMD superstructue 213 on top of an underlying CMOS address circuit 126. The CMOS chip surface contains several processing artifacts 110, and 124, that can lead to reduced yield for the DMD superstructure. A modified DMD architecture and process are disclosed that minimizes the yield losses caused by these CMOS artifiacts while also reducing parasitic coupling of the high voltage reset pulses to the underlying CMOS address circuitry.
Patent EP-0481198-A2 (EP)
Inventor: FORSTER JOHN CURT
IPC: H01L21/205
Filed: 1991-08-27
Abstract: Electron cyclotron apparatus is described in which the locus of cyclotron resonance is scanned away from and toward the axis of a magnetic field by varying the strength of the magnetic field, the frequency of electromagnetic waves passing along its axis, or both.
Patent EP-0479184-A2 (EP)
Inventor: CABERLOTTO ALBERTO
IPC: A43B1/14
Filed: 1991-09-30
Abstract: The footgear structure includes a first component (1), made of a single piece of synthetic material, having a rear upper portion (2) which extends from an insole (3), and a second component (8) having a front upper portion (9) and a lining (10). The first and second components are mutually united, with the lining accommodated inside the rear upper portion.