baber/WOPTO huggingface dataset:
Patent EP-0453830-A2 (EP)
Inventor: BOWDEN DAVID R
IPC: G01N21/27
Filed: 1991-04-03
Abstract: A scanning densitometer is disclosed for obtaining color density measurements from colored samples, such as color bars and the like. The scanning densitometer includes a densitometer head (100) and a densitometer head transport system (101) having transport bars (102, 103). A sample sheet is positioned under the transport bars (102, 103) and the self-propelled head (100) moves over the sheet along the bars (102, 103) toward an end limit stop (105). During a return movement from the end limit stop (105) to a docking end housing (110), color measurement data is obtained. Upon docking at the docking end housing (110), an optical communications interface is provided so that data from the densitometer head (100) can be transmitted to a host computer.
Patent EP-0448136-A2 (EP)
Inventor: MACHIDA YUKIHIKO
IPC: G05D13/62
Filed: 1987-06-10
Abstract: A motor rotation control apparatus employs a comb filter circuit (10) to filter out a signal component and its higher harmonics. An error signal (DS) indicative of an error between actual and target conditions of rotation of the motor is applied to the comb filter circuit (10) after a direct current component thereof is removed. The filtered signal and the error signal are added in a circuit (90) which produces a control signal used to control rotation of the motor (50). Predetermined successive portions (samples) of the error signal are each divided into a first digital signal portion having a predetermined number of upper bits of data and a second digital signal portion having the remaining lower bits of data. The lower bits are delayed a predetermined time and added to the error signal to compensate for lower bits of data which may be ignored in a digital-to-analog converter, operable on a limited number of bits, to provide an analog control signal used to control rotation of the motor.
Patent EP-0481260-A2 (EP)
Inventor: RUECK HANS-PETER
IPC: F16B5/06
Filed: 1991-09-26
Abstract: 2.1 Known elements of this type consist of a head part, constructed as a hollow body, and of a rear part, which can be combined therewith and has a wedge-like undercut extension. After insertion of the element into the longitudinal channel of the anchoring part, this extension widens the head part so far that said head part comes to rest on the inside of the longitudinal channel of the anchoring part and is thereby secured against falling out. The new element is intended to be significantly less costly to manufacture and to simplify insertion into the longitudinal channel of the anchoring part. 2.2 The element (1) formed as a strip can be fixed to the wall part (3) via a supporting part (2), and the supporting part contains mutually separated tongues (4), on its end side facing the opening slot (6) of the longitudinal channel (7) of the anchoring part (8), which tongues (4) restore themselves elastically with respect to torsion. The tongues (4) have a width (S) which is greater than the width (S') of the opening slot (6) of the longitudinal channel (7). The tongues (4) can rotate into a position which permits insertion into the longitudinal channel (7), from which position they return into their locking position automatically when the insertion process has been completed. <IMAGE>
Patent EP-0482459-A2 (EP)
Inventor: SCHOETTLE KLAUS
IPC: G11B23/04
Filed: 1991-10-12
Abstract: A magnetic tape cassette is designed with a casing elevation. The usual two-part casing of such a cassette is simulated by substantially flat casing parts connected to at least one third separate casing part, which is able to be suitably connected to the flat casing parts. The improvement in the position of the tape-guiding elements can be achieved for all types of comparable cassettes. <IMAGE>
Patent EP-0484884-A2 (EP)
Inventor: TAKAHASHI NOBU
IPC: F02B33/36
Filed: 1991-11-05
Abstract: A method for controlling the supercharge pressure in an internal combustion engine having a mechanical supercharger which is connected to the crankshaft in the engine and in which the internal compression ratio of the supercharger can be varied. In the method, the internal compression ratio of the mechanical supercharge is varied on the basis of at least a preset supercharge pressure and an engine revolution rate. This ensures that the supercharge pressure can be matched with the internal compression ratio to prevent a pulsing, thereby preventing noise from being generated.
Patent EP-0491171-A2 (EP)
Inventor: KLEINKE ANDREAS DIPL-CHEM
IPC: C08K13/00
Filed: 1991-11-16
Abstract: A mixture containing 70% by weight of a polyhydroxyalkanoate and one or more compounds containing reactive alcohol and/or acid groups, excluding mixtures of poly-D(-)-3-hydroxybutyric acid with a polyether, a process for the preparation of a polymer by melting the above mixture, and a polymer in which at least some acid and/or alcohol groups of the polyhydroxyalkanoate are bonded to alcohol and/or acid groups of the admixed compound via ester bonds.
Patent EP-0471406-A2 (EP)
Inventor: SIEBOERGER GUENTHER
IPC: G11B23/00
Filed: 1991-08-06
Abstract: For a circuit arrangement for reproducing sound information recorded on a movable sound carrier in one or more sound channels, the sound carrier being moved at a reproducing speed during its reproducing, having a circuit arrangement for noise suppression in which an RC network (10, 30) having at least one RC filter is provided for each sound channel, an integrated pause detection circuit arrangement is provided, which is integrated in the reproducing circuit arrangement and shares the use of parts of the noise suppression circuit, at least one or more RC filters of the RC network or networks (10, 30) of the noise suppression circuit, during the times in which pauses in the sound carrier information are to be detected by the pause detection circuit at a speed of movement of the sound carrier greater than the reproducing speed.
Patent EP-0492722-A2 (EP)
Inventor: VEGTER KLAAS
IPC: H01J63/08
Filed: 1991-12-18
Abstract: A low pressure gas discharge lamp (such as a fluorescent lamp) which includes a wire mesh grid (32) disposed within the lamp envelope (10) so as to intercept the electrons flowing between the lamp electrodes. A lead wire (38) extends from the grid (32) to the outside of the lamp envelope (10), when the grid (32) is provided with a negative voltage with respect to the surrounding plasma the lamp may be switched off. The grid controlled lamp eliminates the need for a solid state power switch in the lamp driving circuitry. As such, the lamp current flows only through the lamp not through the electronic ballast/lamp driving circuitry. With the lamp current removed from the ballast circuitry, power dissipation problems in the driver circuitry are eliminated. The grid controlled lamp design greatly facilitates circuit design.
Patent EP-0444927-A2 (EP)
Inventor: ABDULALLY IQBAL FAZALEABAS
IPC: F23C10/10
Filed: 1991-02-28
Abstract: A reactor in which a furnace and a heat recovery area are provided. A bed of solid particulate material including fuel is supported in the furnace and air is introduced into the bed at a velocity sufficient to fluidize same and support the combustion or gasification of the fuel. The products of combustion (or flue gases) pass upwardly through the furnace and transfer heat energy to the walls thereof to produce steam. Flue gases leaving the upper region of the furnace section are transported to a heat recovery area, which functions to remove additional heat energy from the flue gases for producing the steam. A flue gas by-pass system is provided which transports relatively hot flue gases from a lower region of the furnace section to the heat recovery area for improving isothermal operating conditions and optimizing reactor performance. One or more conduits pass flue gases directly from selected extraction points within the lower region of the furnace to an upper portion of the heat recovery area. A dust collector may be connected to the gas extraction conduits for separating particulate material from the flue gases, if needed.
Patent EP-0449617-A2 (EP)
Inventor: SCOTT JOHN DAVID
IPC: C07B61/00
Filed: 1991-03-27
Abstract: 1,1,1,2-tetrafluoroethane (HFA 134a) is manufactured from trichloroethylene by a two-stage process comprising reacting trichloroethylene with hydrogen fluoride in one reactor to form 1,1,1-trifluoro-2-chloroethane (133a) and reacting the 1,1,1-trifluoro-2-chloroethane with hydrogen fluoride in another reactor to form 1,1,1,2-tetrafluoroethane. The invention is characterised by reversing the reactor sequence and passing the entire product stream from the HFA 134a reactor together with trichloroethylene through the 133a reactor and separating 134a and hydrogen chloride from the recycle stream between the 133a reactor and the 134a reactor.
Patent EP-0473292-A2 (EP)
Inventor: LINDBLAD NERO R
IPC: G03G5/05
Filed: 1991-07-30
Abstract: A surface layer on an imaging member has a surface roughness which reduces the force necessary for blade cleaning, reduces blade edge tuck, reduces blade/substrate friction, inhibits the formation of toner-type deposits on the imaging surface, and/or reduces or eliminates light interference patterns resulting from coherent light, for example, from a raster output scanner. The surface roughness comprises a lateral roughness of between about 1 micrometer and about 200 micrometers, and a vertical roughness less than or equal to about 1 micrometer. The roughness may be defined by asperites formed by circulation patterns formed in the layer during drying or it may be defined by hemispheric dots of the overcoat layer formed during drying.
Patent EP-0481737-A2 (EP)
Inventor: WABUKA HIROSHI
IPC: H03K19/003
Filed: 1991-10-16
Abstract: An output buffer of a semiconductor integrated circuit includes a P channel MOS transistor (P21) connected between first power source (V DD ) and an output terminal (O22) and a first N channel MOS transistor (N21) connected between a second power source (GND) and the output terminal. The first P and N channel MOS transistors are complementarily brought into a conductive state depending upon the level of an input signal (I21) applied to the gates thereof for driving an output load (L,C) including a signal transmission line connected with the output terminal. Each of the P and N channel MOS transistors has an output resistance equal to the characteristic impedance of the signal transmission line. The output buffer further includes an auxiliary control unit comprising a second N channel MOS transistor (N22) having an output resistance equal to the characteristic impedance of the signal transmission line which is connected in parallel with said first N channel MOS transistor between the second power source and the output terminal. A pulse generating and drive circuit (G23) which is connected with the gate of the second N channel MOS transistor determines the conduction period of the second N channel MOS transistor, and comprises inverters (25,26,27) providing a delay period, a NAND gate (28) and an inverter (29) driving the second N channel MOS transistor.
Patent EP-0489556-A2 (EP)
Inventor: SINDHU PRADEEP S
IPC: G06F12/0831
Filed: 1991-11-29
Abstract: A shared memory multiprocessor having a packet switched bus, together with write back caches for connecting individual processors to that bus, employs a consitency protocol that permits the caches to store multiple copies of read/write data at identical physical addresses for use as neded by the respective processors. The protocol causes the hardware to automatically and transparently maintain the consistency of this data. To that end, the caches detect when a datum becomes shared by monitoring the traffic on the bus, thereby enabling them to broadcast an updating write on the bus whenever their respective processors issue a write to a shared address. If desired, this protocol may be extended to include an advisory invalidate for reducing the amount of address sharing that occurs, thereby enhancing the efficiency of the protocol. The protocol maintains a consistent view of memory for the processors, while permitting I/O devices to have direct access to the memory system.
Patent EP-0507348-A2 (EP)
Inventor: MASAYASU INOUE
IPC: A61P43/00
Filed: 1992-04-06
Abstract: Provided are novel superoxide dismutase derivatives represented by the following general formula (I)
     wherein [SOD] is a superoxide dismutase residue derived by removal of two mercapto groups, and W is a divalent long chain hydrocarbon residue which may optionally be interrupted by one or more groups each independently selected from the group consisting of an oxygen atom, a sulfur atom and a group of -N(R)- (R being a lower alkyl group). The SOD derivatives retain most of the enzymatic activities of unmodified SOD and have much longer plasma half-life than unmodified SOD. They are effective for treating various diseases caused by active oxygen species. 
     Also provided are chemical modifiers to prepare the above SOD derivatives.
Patent EP-0514863-A2 (EP)
Inventor: PAPENFUHS THEODOR DR
IPC: C07C51/377
Filed: 1992-05-20
Abstract: Verfahren zur Herstellung von 3,4,6-Trifluorphthalsäure der Formel (1) <IMAGE> bzw. deren Anhydrid in guten Ausbeuten und in vorteilhafter Weise, indem man Tetrafluorphthalsäureanhydrid der Formel (2) <IMAGE> oder Tetrafluorphthalsäure in wäßrig-alkalischem Medium mit Zink bei Temperaturen von etwa 20°C bis etwa 160°C dehalogeniert und gegebenenfalls die erhaltene 3,4,6-Trifluorphthalsäure durch Entwässern in bekannter Weise in das Anhydrid überführt.
Patent EP-0535617-A2 (EP)
Inventor: FARWELL WILLIAM D
IPC: G01R31/3185
Filed: 1992-09-30
Abstract: A test circuit is implemented in an integrated circuit having a plurality of inputs and outputs (I/Os) for testing of the electrical parameters of the I/Os without probing I/O pads (20). The test circuit includes a test drive bus (29), a test drive pad (36) connected to the test drive bus (29), a test observe bus (35), and a test drive pad (31) connected to the test observe bus (35). Associated with each I/O are a test drive transmission gate (27) connected between the associated I/O pad (20) and the test drive bus (29), and a test observe transmission gate (33) connected between the associated I/O pad (20) and the test observe bus 35. The transmission gates (27,33) for each pad (20) are controlled in parallel via a scan control register (39), and are connected by separate conductive traces (17,19) to the I/O pad (20). If an I/O has an input function, the input to an input buffer (11) is connected to the I/O pad (20) with the separate conductive trace (17) to the test drive transmission gate (27); and if an I/O has an output function, the output to an output driver (13) is connected to the I/O pad (20) with the separate conductive trace (19) for the test observe transmission gate (33).
Patent EP-0547329-A2 (EP)
Inventor: HAWLEY GEORGE THOMAS
IPC: H04B10/08
Filed: 1992-10-16
Abstract: A method and apparatus are provided for monitoring power loss in a telecommunications system. Power is received from a permanent power source. A loss of power from the permanent power source is detected. Responsive to the detection of loss of power, a message indicative of a power failure is transmitted at least once on an optical fiber, the message transmission being powered by a temporary power source.
Patent EP-0501594-A2 (EP)
Inventor: TSURUOKA TOSIAKI
IPC: H02M7/5395
Filed: 1989-04-27
Abstract: An amplitude-controlled trapezoidal wave generating circuit (20) comprising, first and second current sources (432, 433) connected in series and in parallel with a wave-forming capacitor (431), respectively and capable of being turned on and off optionally, with current values thereof being variable in interlinked relation with each other. A voltage detection means (434) is provided for detecting a voltage of said wave-forming capacitor (431). A timing control means (436) is triggerable by an output of the voltage detection means (434) for generating a first and a second timing signals. The arrangement is such that the end timing of the operation of the first current source and the start timing of the operation of the second current source are controlled by the timing control means (436), and the end timing of the operation of the second current source is controlled by a voltage level of the wave-forming capacitor (431).
Patent EP-0525844-A2 (EP)
Inventor: LOCKHART THOMAS PAUL
IPC: H01M4/86
Filed: 1992-06-11
Abstract: A nickel cermet contains 35-70% by weight of a metal nickel phase and 65-30% by weight of a zirconia phase stabilized in the cubic form with yttria, with, on X-ray diffraction analysis, said phases appearing as distinct and homogeneously distributed at a level lower than 1 µm. 
     This nickel cermet is obtained by preparing an aqueous solution containing a heat-decomposable zirconyl, yttrium and nickel salt, and an organic hydroxyacid or aminoacid, or a poly(acrylic acid); removing water from the resulting solution, under conditions of absence, or substantial absence, of decomposition phenomena, in order to separate a porous solid; calcining the porous solid, and reducing with hydrogen the product from calcination. 
     The nickel cermet obtained in that way is useful as anodic material for solid oxide fuel cell (SOFC).
Patent EP-0525908-A2 (EP)
Inventor: BENIACAR GIACOMO
IPC: B65D77/06
Filed: 1992-07-29
Abstract: A container comprises a containment receptable (11) of yielding plastic material which is inserted in a generally box-like rigid supporting shell (12) to project above it with a portion (20) thereof comprising a pouring neck (13). The side wall of said receptable displays projections (14, 15) received in corresponding openings (16, 17) in the shell and preventing withdrawal.
Patent EP-0508751-A2 (EP)
Inventor: WARD DEREK ALFRED
IPC: C04B28/26
Filed: 1992-04-08
Abstract: An intumescent fire seal comprises ceramic or like fibres mixed with exfoliating graphite and/or sodium silicate in granular and/or powder and/or chip form. The fire seal may comprise a non-woven mat or sheet, a block or other shaped product and may be enveloped wholly or partially in metallic foil or the like. Alternatively, the fire seal may comprise a liquid or paste which can be applied directly to a surface to be fire proofed.
Patent EP-0511809-A2 (EP)
Inventor: LARSON III JOHN D
IPC: G01R33/3415
Filed: 1992-04-27
Abstract: Apparatus and methods for magnetic resonance imaging a selected interrogation volume in a tissue of a human or animal body, to provide increased signal-to-noise ratios for fixed data acquisition times. The method involves excitation (11, 12, 13,15,17) of magnetic resonance in a selected interrogation volume that may be as small as 500-3,000 cm³, through controllable focusing or steering of a rotating magnetic field signal used to induce magnetic resonance. The response signals issued by the excited volume element are then collected (19, 21) by focusing of these response signals, using a phased array of antennas for this purpose. Use of the invention with well known nuclear magnetic resonance excitation procedures, such as spin echo, echo planar, gradient recalled and backprojection, are discussed.
Patent EP-0573722-A2 (EP)
Inventor: GUPTA BALKISHAN K
IPC: C23C14/48
Filed: 1992-10-26
Abstract: A solid lubricating material, preferentially as a coating, deposited on a substrate surface by conventional technique such as dipping in a suspension, painting, or spraying is bombarded with energetic ions fron an ion accelerator or in a plasma discharge. By such a treatment the wear resistance of said lubricating material is improved considerably due to changes in the crystalline structure of the surface layer, and further the adherence to the component to be lubricated can be improved. The effect according to the invention, which can be both a reduced friction coefficient and a longer sliding-life can be verified in an experiment with a ball with a certain load oscillating on the surface layer to be tested measuring the time dependence of the friction coefficient. The ion-induced changes in the surface crystallinity can be recognized by a reduced reflection of X- rays from the sliding crystalline planes which are parellel to the component surface to be lubricated.
Patent EP-0556615-A2 (EP)
Inventor: HANSEN JEFFREY S
IPC: C23C16/02
Filed: 1993-01-28
Abstract: Deposition of synthetic diamond on a graphite substrate can be substantially improved by providing a thin interlayer of a metal, particularly molybdenum or tungsten. The preferred thickness of the metal layer is about one to two times the maximum pore size.
Patent EP-0568966-A2 (EP)
Inventor: NEPELA DANIEL A
IPC: G11B5/31
Filed: 1993-05-03
Abstract: A thin film magnetic head is fabricated with a multiplicity of magnetic yokes (10,12,14,16) that interact effectively with an electrical coil (18). The magnetic P1 and P2 pole sections of the yoke are very narrow and form closely spaced envelopes about the coil. The multiple yokes are inductively linked to the coil so as to provide an increased number of flux interactions for a given length of coil turn. With this magnetic head design, signal output is increased, thermal noise is reduced, and the signal-to-noise ratio is effectively improved.
Patent EP-0578223-A2 (EP)
Inventor: FALCK PETER LESLIE
IPC: B60W10/04
Filed: 1993-07-07
Abstract: The hydraulically operated brake and clutch elements (controlled by proportional control valves) of a vehicle powershift transmission have fill pressures which are calibrated by a method wherein the output shaft of the transmission is disconnected from the vehicle drive shaft so that the transmission output shaft is free to rotate and certain ones of the plurality of the control elements other than the control element being calibrated are fully pressurized in order to prevent rotation of a part of the control element being calibrated. The engine is run at a predetermined speed and the pressure applied to the control element being calibrated is gradually increased while engine speed is monitored. When the monitored engine speed changes by predetermined amount, a value is saved corresponding to the calibration pressure. The transmission is automatically shifted to neutral if vehicle motion is sensed. The volume of hydraulic fluid required to initially engage the control element may be calibrated in a similar manner.
Patent EP-0574957-A2 (EP)
Inventor: LINDER CHARLES DR
IPC: B01D71/42
Filed: 1990-04-10
Abstract: Membranes which are useful as the underlying membrane, in a composite formed by coating an underlying membrane and subjecting the coated membrane to a crosslinking treatment, are microfiltration, ultrafiltration and reverse osmosis membranes which are made from at least one polymer selected from crosslinked (optionally substituted) acrylonitrile homopolymers and copolymers, and crosslinked (optionally sulfonated) polyvinylidene fluoride. The membranes derived from nitrile polymers/copolymers may be used also for separating insoluble particles, colloidal particles and solute molecules from organic solvents; and for separating insoluble particles, colloidal particles and soluble polymers from aqueous media (e.g. juices and other extracts of fruit and vegetable origin), dissolved salts and organic compounds of MW < 5000 remaining in the media.
Patent EP-0589594-A2 (EP)
Inventor: WANG ROBERT CHUENLIN
IPC: H04B7/26
Filed: 1993-09-09
Abstract: The present invention is directed to a cellular telephone cell site base station (10) having a single radio transmitter (40) and radio receiver (14) for transmitting and receiving, respectively, multiplexed frequency-modulated (FM) signals. A filter bank synthesizer (36), associated with the transmitter, multiplexes individual signals for transmission by the transmitter by exponentially modulating the signals to higher frequency bands followed by low-pass filtering and interpolation using discrete Fourier transform techniques. A filter bank analyzer (18), associated with the receiver, demultiplexes multiplexed FM signals received by the receiver by exponentially modulating each signal to its original spectral position followed by low-pass filtering and decimation, using discrete Fourier transform techniques.