baber/WOPTO huggingface dataset:
Patent EP-0297326-A2 (EP)
Inventor: LECHNER ROBERT DIPL-ING
IPC: H04M3/00
Filed: 1988-06-09
Abstract: A circuit arrangement for a module in the line-connection section of a digital time-multiplex telecommunication network is disclosed. The module contains, among other things, a transverse filter to perform a two-wire/four-wire conversion and is connected through a transformer to the wires of a subscriber line. In order to compensate for phase distortions caused by reflection of signals from the transformer back to the module, the corresponding signals coming from the module are subjected to an equal and opposite phase pre-distortion. This optimizes the hybrid circuit attenuation.
Patent EP-0299444-A2 (EP)
Inventor: REIMANN HORST DR
IPC: C08G69/26
Filed: 1988-07-13
Abstract: Partially aromatic copolyamides containing, as essential components,  A1) 40-90% by weight of units derived from terephthalic acid and hexamethylenediamine,  A2) 0-50% by weight of units derived from  epsilon -caprolactam and A3) 0-60% by weight of units derived from adipic acid and hexamethylenediamine, components A2) and/or A3) in total making up at least 10% by weight of the total amount of units, and the copolyamides having a triamine content of less than 0.5% by weight, are used in impact-modified compositions and mouldings.
Patent EP-0302402-A2 (EP)
Inventor: MEFFERT ALFRED DR
IPC: C11D3/12
Filed: 1988-07-29
Abstract: The disodium salts of alpha-sulphonated C10-C22-fatty acids are used as surfactant component together with sodium perborate and at least one compound from the group consisting of sodium sulphate, sodium zeolite and/or sodium tripolyphosphate in textile detergents. A washing liquor in which the disalt concentration is at least 1 g/l is prepared for laundering.
Patent EP-0311770-A2 (EP)
Inventor: RAUPACH UDO DR
IPC: A61M15/00
Filed: 1988-08-16
Abstract: A device for respiration therapy on persons suffering from asthma or spastic bronchitis comprises a housing, which has a mouthpiece (10), an air suction channel (12) with an attachment for an inhalant applicator, and an air expulsion channel (14), which expulsion channel leads to the atmosphere via an ascending pipe (18) or an attachment pipe (88) serving for peak flow measurement. The ascending pipe (18) is not sealed off (22), and it contains a float element (20) which indicates the flow volume of the exhaled air. A valve arrangement (16; 20, 26) closes the air expulsion channel (14) during inhalation and closes the air suction channel (12) during exhalation.   <IMAGE>
Patent EP-0312089-A2 (EP)
Inventor: TERASAWA MASATO C O CENTRAL RE
IPC: C12P13/08
Filed: 1988-10-14
Abstract: A method for producing L-threonine, which comprises subjecting at least L- or DL-aspartic acid or a salt thereof to enzymatic reaction according to the reaction system not accompanied with growth of microorganism cells in an aqueous solution in the presence of a microorganism and collecting L-threonine formed, wherein the micro­organism is a biotin-requiring microorganism for the growth belonging to coryneform bacterium; a plasmid comprising a DNA fragment containing at least a gene encoding biosynthesis of threonine which can be expressed within a biotin-requiring microorganism cell for the growth belonging to coryneform bacterium and a DNA fragment containing a gene encoding autonomous replica­tion within coryneform bacterium cell; and a biotin-­requiring microorganism for the growth belonging to coryneform bacterium which has been transformed with the plasmid described above, both of which are employed in the present method. 
     According to the present invention, L-threonine can be produced with good yield, and further since production management becomes extremely easy without requiring cumbersome operation such as sterilization of the medium, etc. as in the fermentation method, L-threonine can be produced inexpensively in industry.
Patent EP-0287142-A2 (EP)
Inventor: DECKERS JAN HUBERTUS ANNA
IPC: F24H1/38
Filed: 1988-03-18
Abstract: A counter-current heat exchange element, in particular for a central heating boiler, comprising a substantially flat box-shaped body (1) containing a water passage (5), the flat side walls (1a, 1b) of said body (1) being provided with protrusions (6) extending into flue passages (9) on both sides of said body (1) and being arranged according to a pattern of laterally offset rows with the lateral spacing of said protrusions (6) gradually decreasing from the high temperature area towards the low temperature area in each flue passage (9), the water passage (5) extending along a serpentine trajectory between a cool water inlet (2) in the low flue gas temperature area and a heated water outlet (3) in the high flue gas temperature area, the water passage (5) narrowing from the inlet (2) towards the outlet (3) in such a manner that the water flow velocity at the outlet (3) is higher than at the inlet (2).
Patent EP-0279511-A2 (EP)
Inventor: UCHIKAWA AKIHIKO MITSUBISHI PE
IPC: D04H1/54
Filed: 1988-01-15
Abstract: There is provided a thermally bonded nonwoven fabric with a unit weight of 10 to 40 g/m², comprising 20 to 100% by weight of a composite fiber with a fineness of 0.5 to 8 denier and 80 to 0% by weight of other fibers as the constituent fibers, the composite fiber comprising a first component which is an ethylene-α-olefin copolymer composition comprising an ethylen-α-olefin copolymer containing 0.5 to 4% by weight of an α-olefin having 4 to 12 carbon atoms blended with 0.01 to 0.3% by weight of a phenol type antioxidant and 0.01 to 0.3% by weight of a sulfur type antioxidant, having a Q-value (weight average molecular weight/number average molecular weight) of 4 or less, a density of 0.930 to 0.950 g/cm³, a melt flow rate of 5 to 50 g/10 min. and an oxidation induction time at 210°C of 10 min. or longer, and a second component which is a thermoplastic resin having a melting point higher by at least 20°C than that of the first component, with a constitutional ratio (sectional area ratio) of the first component to the second component being 35:65 to 70:30, said first component of the composite fiber forming at least a proportion of the fiber surface continuously along the length of each fiber and adhering through melting mutually the constituent fibers.
Patent EP-0298695-A2 (EP)
Inventor: TODA FUMIO
IPC: C07C235/16
Filed: 1988-07-05
Abstract: A d- or ℓ-tartaric acid amide derivative serving as a host compound and a method of producing the amide derivative which combines with a guest compound to form a clathrate compound and which is expressed by the following Formula (A) or (B):
Patent EP-0301791-A2 (EP)
Inventor: WACHI SHIGEAKI
IPC: G11B7/09
Filed: 1988-07-25
Abstract: A light beam control arrangement for an optical disc apparatus in which a tracking servocontrol for a light beam projected onto an optical disc is performed in accordance with a tracking error signal and a reproduced information signal is obtained from a record track in the optical disc upon which the light beam impinges, which comprises a differentiation circuit (2) for differentiating one of the tracking error signal and the reproduced information signal to produce a differentiation output signal, a phase detection circuit for phase-detecting the differentiation output signal with the other of the tracking error signal and the reproduced information signal to produce a detection output signal, a low pass filter circuit for producing a DC output signal having a level varying in response to an amplitude of the detection output signal, and a signal mixing circuit for mixing the DC output signal with the tracking error signal so that the DC output signal is used, in addition to the tracking error signal, for the tracking servocontrol.
Patent EP-0299859-A2 (EP)
Title: Dispositif de commande de direction arrière pour véhicule automobile à quatre roues directrices
Inventor: GALTIER LUCIEN
IPC: B62D7/14
Filed: 1988-07-08
Abstract: La présente invention concerne un dispositif de commande de direction arrière notamment pour un véhicule automobile. Le dispositif est caractérisé en ce qu'il comprend un plateau (31) comprenant au moins une partie formant came (48; 49) inscrite en creux dans celui-ci et dont le profil définit la loi de braquage des roues arrière selon le braquage des roues avant et un galet (29; 30) en prise avec la partie formant came et entraîné mécaniquement par l'arbre d'entraînement (10) de façon que le pivotement de l'arbre de transmission du véhicule amène le galet à agir par poussée sur la partie formant came. La présente invention trouve application dans le domaine de l'automobile.
Patent EP-0315597-A2 (EP)
Inventor: ROSSI DOMENICO
IPC: H03K17/082
Filed: 1988-10-26
Abstract: A circuit for sensing the magnitude and sense of a current flowing through the load of a H-bridge stage driving the load in a switching mode by means of a clocked, square-wave driving signal and the inverted signal thereof applied, re­spectively, to two pairs of analog switches arranged in a bridge configuration and functionally switching the load between a supply node and a virtual ground node is made by utilizing a single sensing resistance connected between the virtual ground node and the real ground node of the circuit, the signal across the resistance and the inverted signal thereof are fed to two inputs of an analog multiplex whose output signal is fed to the input of a comparator in order to obtain at the output of the latter a signal with an amplitude proportional to the intensity of the current and a polarity determined by the polarity of a reference voltage which is applied to another input of the comparator. The PWM control loop may then be completed by means of a flip-flop to the inputs of which the output signal of the comparator and a clock signal are applicable in order to generate at the output of the flip-flop the clocked driving signal.
Patent EP-0303590-A2 (EP)
Inventor: SEIBERT GERHARD
IPC: B29C48/49
Filed: 1988-08-01
Abstract: A device for spraying the outside of a core, especially of an electric conductor, with a jacket having at least two layers or strips of different or differently coloured materials, which device has at least two separate supply channels for the plasticised materials and at least two outlet cross-sections for the plasticised materials, through which can pass the core to be sprayed, which outlet cross- sections can be connected, as desired, to the supply channels, via a distribution device. In order to avoid having to clean the channels of the distribution device when the colour or material is changed, it is provided that the distribution device is formed by a sleeve (8) which is arranged such that it can rotate between limit positions with respect to an external housing having supply channels (2, 3) for the plasticised materials, and has a number of channels corresponding to the number of materials to be sprayed, those supply channels (2, 3) which are intended to be connected alternately to the outlet cross- sections (15, 20) for the plasticised materials, terminating on the outside of the sleeve (8), offset with respect to one another by the same angular amount. 
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Patent EP-0331114-A2 (EP)
Inventor: KASHIMURA MASAHIKO C O NEC COR
IPC: H01L21/82
Filed: 1989-02-28
Abstract: A programmable logic array has an interfacial plane (50) between an AND plane (49) and an OR plane (48) for relaying the result of the AND operation to the OR plane, and the interfacial plane has intermediate nodes (90, 91 and 92) for the relaying functions which are simultaneously charged up to a high voltage level and selectively discharged to a low voltage level depending upon the result of the AND operation, wherein field effect transistors (81, 84 and 87) are provided for the selective discharging operation and simultaneously gated by a control signal line (55), so that only the gate capacitances of the field effect transistors are coupled to the control signal line, thereby improving the operation speed of the programmable logic array.
Patent EP-0333089-A2 (EP)
Inventor: KOCH THOMAS
IPC: B63B43/02
Filed: 1989-03-13
Abstract: Device for insulating a room against liquids present in the room by raising a hinged trapdoor (1), which closes a door opening (11) of the room (10) or serves as surge barrier in a ship (22) and which, in the normal state, closes the top of a container (7) let into the floor (13) of the room (10), in which container a drive (8) actuated by the liquid for raising the hinged trapdoor (1) is arranged. <IMAGE>
Patent EP-0334180-A2 (EP)
Inventor: SANGATI GUIDO
IPC: B07B4/08
Filed: 1989-03-15
Abstract: The flour purifier according to the invention comprises a base (1) with elastic elements (2) on which at least one box-like body (3) is rigidly coupled; the box-like body has a plurality of superimposed rows of sifters (4,5) in its middle position, at least one suction hood (6,7) in an upward position and at least one collector (15,16) in a downward position. The box-like body (3) is laterally provided with a mechanism (35) suitable to make it oscillate. The box-like body also has means (9) for adjusting the suction airflow passing through the sifters. Means (24,25,18,19) are provided for feeding the product to be processed into the box-like body, for conveying the processed product and for discharging the waste material.
Patent EP-0339262-A2 (EP)
Inventor: MAGISTRO ANGELO JOSEPH
IPC: C07F7/18
Filed: 1989-03-22
Abstract: At least three, and as many as eighteen, most prefer­ably at least nine, crosslinking sites are provided through the alkoxy groups in multiple chains on a triazine ring (hence "multisilane"), on a single molecule of the multisilane. The multisilane, useful as a coupling agent, is formed by reacting a triazine-containing compound with a suitable aminoalkyl-alkoxoysilane, or, alkyl-aminoalkyl-­alkoxysilane in either an anhydrous, or an aqueous liquid medium. A size containing the multisilane, enhances the reinforced properties of organic synthetic resinous mater­ials in which the fibers are used, and most particularly those of rigid poly(vinyl chloride) (PVC) with which it provides cohesive bonding of glass fiber surfaces. Glass fibers coated with a basic film former and the multisilane are covalently bonded on the one hand through some of at least nine alkoxy groups on each of the multisilane mole­cules, to Si atoms of a glass surface, and on the other hand, through at least some of the amine groups on each of the molecules, to the vinyl chloride (VC) resin in a reaction which involves allylic chloride bonds in the VC resin. The multisilane is effective in adhesives for a wide variety of materials, and in protective coatings.
Patent EP-0345464-A2 (EP)
Inventor: BAUMANN KARL DR
IPC: C07C227/04
Filed: 1989-05-03
Abstract: Process for the preparation of substituted 3-amino-2-(benzoyl)-acrylic acid esters of the formula I   <IMAGE> I in which R1 denotes an alkyl radical with 1 to 4 C atoms, X1 denotes halogen, in particular fluorine or chlorine, X2, X3, X4 and X5 denote hydrogen, halogen, in particular fluorine or chlorine, an alkyl radical having 1-4 C atoms or an alkoxy radical having 1-4 C atoms in the alkyl chain, by selectively reducing a substituted 2-cyano-3-hydroxy-3(phenyl)acrylic acid ester of the formula II <IMAGE> II  in which R1, X1, X2, X3, X4 and X5 have the meaning given above, and a process for the preparation of intermediate products for antibacterially active compounds from these compounds.
Patent EP-0342655-A2 (EP)
Inventor: TAX HANS
IPC: B66C19/00
Filed: 1989-05-17
Abstract: In a crane installation for a container, pendulum movements during the lowering of the spreader are suppressed by a method wherein the spreader, after reaching the particular intended position of the carrier, is brought into contact with the traveller, in a manner such as to damp the pendulum movement. According to a further embodiment, the location of the spreader relative to the intended point of contact is determined by a remote detection system provided on the spreader. 
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Patent EP-0346635-A2 (EP)
Inventor: GROTZ KARLHEINZ DIPL-ING
IPC: H04N19/51
Filed: 1989-05-18
Abstract: Various methods for reducing redundancy and irrelevance are known for the transmission of picture information via a channel having a limited data capacity. Thus, movement vectors are determined and coded for part-picture areas. The part-picture areas themselves are also subjected to coding, for example an adaptive cosine transformation coding (ADCT). A method and a device for this are specified which provide the possibility of constant local reconstruction quality of the transmitted picture information. Backward control during the coding is no longer necessary. The transmitted signal is formed from coded movement vectors and only those coded part-picture areas in which the greatest deviations occur as a function of a quality criterion (residual error) for the movement-compensated reconstruction. Moving-picture transmission.
Patent EP-0343592-A2 (EP)
Inventor: HERRMANN UWE DR RER NAT
IPC: G01N33/84
Filed: 1989-05-23
Abstract: For the determination of iron in serum with release of the bound iron and reduction of the released iron to Fe<2+>, a first solution of a protein denaturant is added in a concentration of 1 to 8 mol/l to the serum, a second solution which contains the colour reagent and likewise denaturant in a concentration from 1 to 8 mol/l is then added and subsequently the colour complex is measured photometrically. <IMAGE>
Patent EP-0345781-A2 (EP)
Inventor: DAFFERN GEORGE M
IPC: G01N31/22
Filed: 1989-06-08
Abstract: The multilayer test devices of this invention comprise, in order, (a) an absorbent layer; (b) a waterproof barrier layer; and (c) a quickly absorbent reagent matrix layer having a determinate volume. The absorbent and barrier layers each include an aperture functionally aligned for application of a test sample through the absorbent and barrier layers and onto the surface of the reagent matrix layer. The reagent matrix layer contains one or more reagents which produce a detectable species in the presence of an analyte. The reagent matrix layer preferably comprises an asymmetrical filter, which localizes cellular components of the test sample at or near the surface of the filter, while facilitating saturation of the filter by non-cellular sample components. Preferred embodiments of the test devices include devices for testing glucose, alcohol and cholesterol in whole blood.
Patent EP-0399089-A2 (EP)
Inventor: SUAREZ MENENDEZ ALFREDO
IPC: B24B15/02
Filed: 1989-06-20
Abstract: VERTICAL PORTABLE LATHE for turning and grinding the security valve tuyere seats installed in the various equipments comprising the Power Station boiler, such as header, superheater, cold reheating and hot reheating, also applicable to security and pressure relief valve installed in all types of industries, acting on the spot, with perfection and easy maneouvrability fastness, ready installation and light weight, which may be installed in all types of security valves and pressure relief valves installed both in the main as well as in the ancillary circuits of Nuclear Power Plants, Power Stations, Petrochemical Plants, Refineries, Cellulose Industries, etc, performing these works in a few minutes.
Patent EP-0348829-A2 (EP)
Title: Nonwoven fabrics
Inventor: KOMEI YAMASAKI
IPC: D01F6/22
Filed: 1989-06-23
Abstract: Nonwoven fabrics are disclosed, which are produced by molding a material containing as a main component a styrene-­based polymer with mainly syndiotactic configuration, in such a manner that a difference between the absolute value of heat of fusion |ΔHf| and the absolute value of crystallizing enthalpy on heating |ΔHtcc| of the molded polymer is at least 1 cal/g. These nonwoven fabrics are excellent in heat-­resistant and chemical-resistant characteristics, and are suitable for use as medical fabrics, industrial filters, battery separators and so forth.
Patent EP-0367932-A2 (EP)
Inventor: GOCKLER HEINZ DIPL-ING
IPC: H04J4/00
Filed: 1989-09-01
Abstract: Filter bank for frequency-division multiplexing or frequency- division demultiplexing of L-channel signals with transversal filters at reduced or increased sampling rate, the L-filters being implemented by means of a cascade and a complex multiplier being inserted between the individual filter cascades, characterised in that the multiplier is combined with the filter of the preceding and following cascade stage. Such filter banks are mainly used in transmultiplexers for conversion from FDM into TDM and conversely, mainly in satellite engineering. It is the aim of the invention to reduce the required computing power. By combining the complex multiplier with the adjacent filter, a time-variant filter is produced but the filters of the other cascade stages are time-invariant as before and contain real coefficients. Seen overall, a lower computing effort is required, the number of coefficients to be stored increasing only insignificantly (Figure 2a and 2b). <IMAGE>
Patent EP-0387402-A2 (EP)
Inventor: SIGNORI DINO
IPC: A43C11/14
Filed: 1989-10-20
Abstract: A fastening device comprises first and second fastening members (11,12) engageable with each other to clasp corresponding parts of the upper of a sport shoe (1) together. The first and second fastening members respectively comprise a guide (13) and a slider (25), the latter being slidable along the guide (13) and held releasably in engagement therewith. Provided between the slider and the guide is a one-way stop means (22,33) for releasably making the slider (25) and guide (13) unitary in one of the two directions.
Patent EP-0369345-A2 (EP)
Inventor: WANG I-CHUNG WAYNE
IPC: C08L59/00
Filed: 1989-11-10
Abstract: Thermoplastic resin compositions are blended with a novel silicone-based flame retardant which also imparts good impact resistance and low temperature ductility on the thermoplastic resins. Polyorganosiloxanes are grafted with vinyl-based polymers, such as bromo­styrenes, capable of exhibiting flame retarding properties and then blended with normally flammable thermoplastic resins.
Patent EP-0381840-A2 (EP)
Inventor: ZOCHE GUNTER DR
IPC: C07F7/08
Filed: 1989-12-13
Abstract: The present invention describes a method for the preparation of ketoximosilanes. As starting compounds, alkyl- or alkenylacetoxysilanes are employed which are reacted with ketoximes in the presence of ammonia. A simple apparatus is described in which this reaction can be carried out continuously. The ketoximosilanes prepared according to the invention are, for example, useful cross-linkers for organopolysiloxane materials.
Patent EP-0321454-A2 (EP)
Inventor: MABEY PETER JOHN
IPC: H04L12/56
Filed: 1985-09-20
Abstract: A flexible multiple access communications system which is particularly suitable for mobile radio systems. 
     The system comprises a base station (10) and a plurality of substations (20, 22, 24, 26) whose mode of access is determined in response to indicia transmitted in an Aloha invitation message. The value of the indicia and thereby the particular one of a plurality of access modes and the dynamic operation in that mode is determined from an estimate of the prevailing traffic conditions. One of said modes comprises a dynamic frame-length mode and another of said modes is a hybrid mode in which subsets of the population of the substations are formed.