baber/WOPTO huggingface dataset:
Patent EP-0516033-A2 (EP)
Inventor: HAGIWARA SEIGO
IPC: B23K9/095
Filed: 1992-05-26
Abstract: An arc welding machine includes a transformer (7), a diode (5) for rectification connected to the secondary winding of the transformer (7), two capacitors (6a, 6b) connected in series with each other and in parallel with the diode (5), and the first and second switching elements (8a, 8b) connected in series with each other and in parallel with the diode (5). This machine also includes an electrode (1) having one end connected at a location intermediately of the two switching elements (8a, 8b) and the other end opposed to an object (3) to be welded, first and second drive circuits (9a, 9b) connected to the first and second switching elements (8a, 8b), respectively, an oscillating circuit (10) for determining the width of pulses of the first and second drive circuits (9a, 9b), and a timer circuit (11) for inputting to the oscillating circuit (10) signals required to make the oscillating circuit (10) periodically repeat oscillating and stop operations. The object (3) is connected at a location intermediately of the two capacitors (6a, 6b). The second drive circuit (9b) outputs inverted signals of the first drive circuit (9a). By this construction, an alternating current and a direct current alternately flow between the electrode (1) and the object (3) during welding.
Patent EP-0548887-A2 (EP)
Inventor: SEKI TAKAHITO
IPC: H04N9/82
Filed: 1992-12-21
Abstract: In a digital video tape recorder that has rotary magnetic heads (13A, 13B) for recording digital video information on a magnetic tape in the form of data blocks having a predetermined length, an ID signal is generated for each data block. The ID signal includes a number of data bits which identify the address of the data block, the information contained in the data block, and so forth. For the purpose of generating error code parity symbols, the ID signal is divided into a sequence of four-bit symbols, and at least two parity symbols are generated (10A, 10S, 10V) according to an error correction code for correcting errors in the sequence of four-bit symbols. The ID signal and parity symbols are recorded together on the magnetic tape. In this way, error correction can be performed on the ID signal during reproduction.
Patent EP-0506219-A2 (EP)
Inventor: ISHIZAKA TAKAFUMI
IPC: B01J2/10
Filed: 1992-03-24
Abstract: A method for increasing the proportion of a crystalline organic compound which remains uncrystallized and suppressing recrystallization in which a crystalline organic compound and a hydrophilic polymer substance are fixed onto a surface of core particles by means of impacts applied in a high velocity gas stream. The solubility and stability of the resulting composite product, such as a drug for internal use, can be improved.
Patent EP-0499479-A2 (EP)
Inventor: YOSHIDA YASUHARU
IPC: H04L7/033
Filed: 1992-02-14
Abstract: A clock regeneration circuit for extracting timing information from a CMI (Coded Mark Inversion) coded signal. The output (204) of a voltage controlled oscillator (4) capable of oscillating at the clock frequency of the CMI coded signal is sampled by a flip-flop (2) at timings corresponding to the boundaries of the time slots of a CMI coded signal (201). A low pass filter (3) is connected to the output (202) of the flip-flop 2. The phase of the output (204) of the voltage controlled oscillator (4) is controlleJ by the output (203) of the low pass filter.
Patent EP-0556573-A2 (EP)
Inventor: MATSUMOTO HARUO
IPC: H01P1/205
Filed: 1993-01-19
Abstract: Dielectric resonator (1) wherein an internal conductor non-formed portion is provided near one open face of the internal conductor formed holes, and signal input, output electrodes (9,10) are provided on one portion of the external conductor (4), whereby electromagnetic field leakage is restrained, because the open face is not formed, and individual parts such as signal input, output pins and so on are not required.
Patent EP-0556630-A2 (EP)
Inventor: CABRI WALTER
IPC: B01J31/22
Filed: 1993-02-02
Abstract: The present invention relates to a process for the preparation of exomethylene cephams, which are useful intermediates in the production of many useful β-lactam antibiotics. 
More particularly there is provided a process for preparing a compound of formula I
       
 wherein n is O or 1, R₁ is hydrogen atom or an organic residue and R₂ is a carboxy protecting group, which process comprises reacting a compound of the formula II
       
 wherein X is halogen atom or acetoxy group and R₁ n and R₂ are as defined above with a lanthanide complex.
Patent EP-0571722-A2 (EP)
Inventor: DAHM BERND DR RER NAT
IPC: F23G5/04
Filed: 1993-03-09
Abstract: The invention relates to a process and the associated plant layout for drying and burning waste materials, in particular sewage sludge, the waste materials being burned after mechanical and thermal dewatering and drying. According to the invention, this takes place by the thermally dried waste materials being milled and then burned in a pulsating manner in a reactor and by a part of the thermally dried waste materials with a gran size of < 1 mm being delivered back to the process as return material after the mechanical dewatering, and by the heat energy of the waste gases of the pulsating combustion being used as drying energy by indirect heat exchange. <IMAGE>
Patent EP-0575699-A2 (EP)
Inventor: STROEDER ULRICH DR
IPC: C25C1/12
Filed: 1993-03-12
Abstract: For regeneration, an aqueous solution containing metal ions and sulphuric acid, in particular a solution containing zinc ions, iron ions and/or copper ions, for the purpose of cathodic separation of the metal ions, is introduced into the catholyte chamber of an electrolysis cell subdivided by an anion exchanger membrane into an anolyte and catholyte chamber, sulphate ions migrating from the catholyte chamber through the anion exchanger membrane because of the voltage applied to the electrodes into the anolyte chamber and sulphuric acid being formed there by means of the protons formed by anodic water decomposition, the concentration of which sulphuric acid continuously increases in the anolyte. In the anolyte chamber a pure highly concentrated sulphuric acid is formed which can be reused for pickling or extraction processes. The regeneration is intended to be used as an intermediate stage of a chlorine-gas-free regeneration of pickling or extraction solutions.
Patent EP-0575904-A2 (EP)
Inventor: ALBRECHT ROBERT THOMAS
IPC: G11B23/037
Filed: 1993-06-18
Abstract: A tape reel brake (207) which is mounted in a well (215) in the top of a tape reel hub. The brake (207) is mounted to be compliantly biased away from the base of the well (215). The hub and brake (207) are seated in the tape cartridge (10) such that teeth (239) on the periphery of the brake (207) are biased against the opposite inside surface (14) of the cartridge housing about the periphery of an opening (20) therein. The biasing of the brake (207) against the opposite inside surface (14) both prevents the rotation of the reel (200) and shields out dust when the tape cartridge (10) is removed from a tape drive. To rotate the reel (200), a tape drive clutch enters the opening (20) in the opposite inside surface and depresses the brake (207) into the well (215) to mate with a smaller diameter portion (220) of the hub.
Patent EP-0579153-A2 (EP)
Inventor: HATTORI AKITAKA
IPC: C08F8/00
Filed: 1993-07-12
Abstract: A process for producing a polymer having sulfonic acid groups is provided which comprises treating a polymer having sulfonate salt groups with a ion-exchange resin to change the sulfonate salt groups into sulfonate acid groups with porous-type strongly acidic cation exchange resin. A process for producing a tertiary alcohol is also provided which comprises hydration of olefin by use of the aforementioned polymer as the catalyst. By the process, a tertiary alcohol is produced by hydration of olefin with high selectivity at low cost.
Patent EP-0579197-A2 (EP)
Inventor: FRISCHE RAINER DR
IPC: C08B30/20
Filed: 1993-07-14
Abstract: The prodn. of starch intermediate prods. (I), in which the reactive OH gps. of starch are activated comprises (a) swelling and disintegration of starch with dil. alkali, (b) pptn. with a water-miscible precipitating agent (II), (c) sepn. of the pptd. highly activated starch from the filtrate and (d) drying the prod (I). Also claimed are prods. (I) obtd. by this process, with the starch in a storage-stable highly activated from. Also claimed is a method of further processing of (I), comprising homogeneous derivatisation by reacting the activated OH gps. with ether-, urethane-, carbamate- or acetal-forming modifiers (III).
Patent EP-0593874-A2 (EP)
Inventor: GEORGE JONEL
IPC: G06F9/46
Filed: 1993-08-23
Abstract: A dynamic reconfiguration request for a change in a system's physical configuration is transmitted from a configuration controller to a hypervisor controlling operating systems executing in one or more partitions of the system. The hypervisor translates the physical reconfiguration request into a request for reconfiguration of logical resources known to the operating systems, first verifying it against an installation policy, and passes the requests to the operating systems in the partitions. The operating systems perform logical reconfiguration, then request physical reconfiguration of the hypervisor. The hypervisor initiates the physical reconfiguration through the configuration controller.
Patent EP-0584826-A2 (EP)
Inventor: YOKOYAMA YASUHIRO C O MENICON
IPC: A61L27/00
Filed: 1993-08-26
Abstract: An ocular lens material made of a copolymer comprising, as main copolymerizable components, (A) a polysiloxane macromonomer having polymerizable groups bonded via one or more urethane bonds to the siloxane main chain, of the formula (I):
       
wherein A 1  is a group of the formula (II):
       
wherein Y 21  is an acryloyloxy group, a methacryloyloxy group, a vinyl group or an allyl group, and R 31  is a linear  
or branched alkylene group having from 2 to 6 carbon atoms; 
     A 2  is a group of the formula (III):
       
wherein Y 22  is an acryloyloxy group, a methacryloyloxy group, a vinyl group or an allyl group, and R 34  is a linear or branched alkylene group having from 2 to 6 carbon atoms; U 1  is a group of the formula (IV):
       
wherein X-21 is a covalent bond, an oxygen atom or an alkylene glycol group having from 1 to 6 carbon atoms, E 21  is -CONH- (provided that in this case, X 21  is a covalent bond, and E 21  forms an urethane bond together with X 25 ) or a bivalent group derived from a diisocyanate selected from the group consisting of saturated or unsaturated aliphatic, alicyclic and aromatic diisocyanates (provided that in this case, X 21  is an oxygen atom or an alkylene glycol group having from 1 to 6 carbon atoms, and E 21  forms an urethane bond together with X 21  and X 25 ), X 25  is an oxygen atom or an alkylene glycol group having from 1 to 6 carbon atoms, and R 32  is a linear or branched alkylene group having from 1 to 6 carbon atoms; 
     S 1  is a group of the formula (V):
       
wherein each of R 23 , R 24 , R 25 , R 26 , R 27  and R 28  independently represents an alkyl group having from 1 to 6 carbon atoms, a fluoroalkyl group or a phenyl group, K is an integer of from 1 to 50, and L is an integer of from 0 to (50-K); 
     U 2  is a group of the formula (VI):
       
wherein R 33  a linear or branched alkylene group having from 1 to 6 carbon atoms, X 22  is a covalent bond, an oxygen atom or an alkylene glycol group having from 1 to 6 carbon atoms, X 26  is an oxygen atom or an alkylene glycol group having from 1 to 6 carbon atoms, and E 22  is -CONH (provided that in this case, X 22  is a covalent bond, and E 22  forms an urethane bond together with X 26 ) or a bivalent group derived from a diisocyanate selected from the group consisting of saturated or unsaturated aliphatic, alicyclic and aromatic diisocyanates (provided that in this case, X 22  is an oxygen atom or an alkylene glycol group having from 1 to 6 carbon atoms, and E 22  forms an urethane bond together with X 22  and X 26 ); and (B) an alkyl (meth)acrylamide, wherein the weight ratio of the polysiloxane macromonomer to the alkyl (meth)acrylamide is from 5/95 to 90/10.
Patent EP-0585887-A2 (EP)
Inventor: SUGAWARA TOMOO
IPC: C08G61/08
Filed: 1993-08-31
Abstract: An organic halide activator component is used in combination with a halogen-free organoammonium molybdate or tungstate catalyst and a halogen-free trialkylaluminum cocatalyst in the ring-opening metathesis polymerization of norbornene functional monomers. The activator component is characterized by having 1 or 2 halogen substituents per molecule with the proviso that said halogen substituent(s) is not bonded to a carbon that contains a double bond. The organic halide activators of this invention enhance the conversion of monomer to polymer without the corrosion problems inherent with prior activated metathesis catalytic systems.
Patent EP-0552986-A2 (EP)
Inventor: NONAKA YOSHIYA
IPC: G11B27/32
Filed: 1993-01-25
Abstract: A CD player capable of detecting the recording end of a partially recorded CD-R (PRD) during playback. When an unrecorded area (URA) is detected, an address immediately before that of the URA is held and a setup is performed at the position of that detection. If the setup has been unsuccessful, a setup is performed at a reference setup position, and when this setup operation is complete, playback starts from the held address position. When the playback from the position and detection of the URA are repeated a predetermined number of times, the held address position is discriminated as the recording end. A method of searching for the last piece of recorded information in the program area on a PRD. When reading failure occurs in a search, the pickup is moved back to a previous jump position to the position of occurrence of the reading failure, then a search is conducted through jumps over tracks equal to or less in number than the number of tracks of the predetermined smallest information from that jump position, and the last piece is detected by a sub code acquired at a jump position immediately previous to the position of re-occurrence of reading failure. A CD player capable of ensuring reproduction of all the pieces of recorded information in playback of a PRD. When detecting a next track number in an area following an area of a memorized last track number during playback of a PRD, this player updates the last track number to the newly detected track number.
Patent EP-0554086-A2 (EP)
Inventor: UEDA TOMOHIRO MITSUBISHI DENKI
IPC: H04N7/36
Filed: 1993-01-28
Abstract: In a high-efficiency encoder which performs motion-compensation prediction, an intra-field is set every n fields. The presence of a scene change is detected. When a scene change occurs, a reference picture of motion-compensation prediction is switched, or the field immediately after the scene change is set as an intra-field.
Patent EP-0577242-A2 (EP)
Inventor: HSU SUNG-SHAN
IPC: H04N3/185
Filed: 1993-03-30
Abstract: An anti-horizontal-impulse cathode-ray-tube driving system comprises an added coil (14) disposed at a location corresponding to the primary coil (11) of the horizontal output transformer (1) thereof, the added coil having one end connected to the output terminal of an anode high voltage generator and an opposite end connected to the anode (22) of the cathode-ray-tube (2) to be driven, and being controlled to produce an induced voltage (V k ) of reversed phase in countering the capacitance (C t ) formed between the anode (22) and the earthed graphite (23) of the cathode-ray-tube (2). Under the process of capacitive coupling, the horizontal impulse voltage (V ct ) which is produced at the anode high voltage (V ce ), is prevented from forming an alternating electrical field around the cathode-ray-tube (2).
Patent EP-0578486-A2 (EP)
Inventor: PIERCE HAROLD D
IPC: G10L13/04
Filed: 1993-07-07
Abstract: An audio storybook (12) incorporates raised characters (18,20,22,24) within the storybook which are electronically connected to sound synthesizer and reproduction apparatus (40) associated with a book. The book (12) provides the ability to utilize a progressively revealed pattern in a story, thus improving the ability of such storybooks to accommodate complex story lines and hold the reader's attention.
Patent EP-0588503-A2 (EP)
Inventor: THOMAS MICHAEL E
IPC: G11C11/155
Filed: 1993-08-18
Abstract: Integrated circuit memory elements are fabricated by disposing a first layer of electrically conductive material on the surface of an electrically insulating substrate. The first layer of electrically conductive material is formed into a first predetermined pattern. A second layer of electrically insulating material is disposed on the surface of the electrically insulating substrate and the patterned first layer of electrically conductive material. A first layer of magnetizable material is disposed on the second insulating layer and is formed into a predetermined pattern having a predetermined positional relationship with respect to the underlying patterned first layer of electrically conductive material. A third layer of electrically insulating material is disposed over the second layer of insulating material and the patterned first layer of magnetizable material. Openings are formed in the underlying layers of insulating material to expose predetermined electrical contact areas on the underlying patterned first electrically conductive layer. A second electrically conductive layer is disposed over the third layer of electrically insulating material into the openings and into electrical contact with the exposed electrical contact areas of the underlying patterned first electrically conductive layer. The second electrically conductive layer is formed into a second predetermined pattern having a predetermined positional relationship with respect to the underlying patterned layer of magnetizable material and the patterned first electrically conductive layer. The patterned first electrically conductive layer and the patterned second electrically conductive layer define at least two conductive windings disposed about the patterned magnetizable material.
Patent EP-0603051-A2 (EP)
Inventor: BAVARD JEAN
IPC: H02M3/156
Filed: 1993-12-13
Abstract: Chopper driving device, comprising means for measuring the mean value of an output magnitude (S) of the said chopper (1), and regulation means (4) which control the supply of control pulses (C) of the chopper on the basis of measurement results supplied by the said measurement means and of a datum magnitude (Co), so as to make the said mean value equal to the said datum magnitude, characterised essentially in that the said measurement means include:   - means (3) for generating a sampling signal having pulses, the relative position of which, with respect to the said control pulses, is determined in such a way that the said pulses coincide with the passage of the said output magnitude through its mean value, and - means (5) for sampling the said output magnitude by the said sampling signal.   <IMAGE>
Patent EP-0635615-A2 (EP)
Inventor: MIGLIORINI MASSIMO
IPC: E06B3/46
Filed: 1993-11-26
Abstract: The invention relates to a modular wall chamber for sliding doors (2) comprising flanks (10) constituted by fretted metal panels (3) arranged in succession and interconnected by means of connecting joints (4) made on adjacent edges (51, 52) of the panels (3). The edges (51, 52) are complementarily shaped so as to be associable by reciprocal superposing with a movement which is transversal to the lie plane (9) of the panels (3), thus connecting one to another by elastic snap-fitting and subsequent geometrical interference in a parallel direction to the lie plane (9) of the panels (3).
Patent EP-0610949-A2 (EP)
Inventor: YAMAGUCHI TAKASHI C O NEC CORP
IPC: H01L21/3205
Filed: 1994-02-11
Abstract: In a memory cell having a pair of driving transistors each formed of a bulk type N channel MOS transistor and a pair of load transistors each formed of a P channel thin film transistor, a capacitor is connected between a gate electrode and a drain of each of the thin film transistors. With this arrangement. it is to ameliorate immunity from a soft error caused by an external disturbance such as α-ray.
Patent EP-0640975-A2 (EP)
Inventor: KOSHIKAWA YASUJI C O NEC CORPO
IPC: G11C11/401
Filed: 1994-08-25
Abstract: In a semiconductor memory device having first and second main data amplifiers (27, 28) for electrically charging a plurality of read bus pairs (23, 24), a precharge control circuit (26) controls operation of first and second main data amplifiers so that selected ones of the read bus pairs are electrically charged during a predetermined burst period except when each of the first and the second main data amplifiers produces a difference signal. When each of the read bus pairs has a read bus potential difference, each of the first and the second main data amplifiers produces the difference signal and electrically charges each of the read bus pairs in accordance with the difference signal. The read bus potential difference is produced dependent on a bit line potential difference which is produced in each of bit line pairs.
Patent EP-0647526-A2 (EP)
Inventor: ALLRED DONALD R
IPC: B41J2/09
Filed: 1994-08-30
Abstract: A deflection electrode for use in a continuous ink jet printing device molded of powdered ultra high molecular weight polyethylene combined with carbon black and subjected to oxygen plasma treatment.
Patent EP-0669782-A2 (EP)
Inventor: SAKAMOTO YOSHIO
IPC: H04R5/02
Filed: 1995-02-24
Abstract: A very thin screen speaker and a support leg for supporting the screen speaker without a dead space of installing the screen speaker. There is provided a speaker system having a screen for image projection formed on a front plate constituting a cabinet of the speaker system, wherein a diaphragm system is disposed between the front plate and a back plate constituting the cabinet, the diaphragm system being assembled by components including a voice coil, a diaphragm, and a suspension, and the depth of both the sound paths being equal to the distance from the inner surface of the front plate to the inner surface of the rear plate.
Patent EP-0680947-A2 (EP)
Inventor: SEYBOLD GUENTHER DR
IPC: C07C253/30
Filed: 1995-04-24
Abstract: Prepn. of stilbenes (i.e. bis(cyanostyryl)benzenes) of formula (I) comprises reaction of terephthalaldehyde with cyanobenzyl-phosphonic acid dialkyl esters of formula (II) in a diluent in presence of a base. Novelty is that (i) the diluent is a 2-phase system, with one phase being water and the other a water-immiscible organic solvent; and (ii) a phase transfer catalyst is present. R = 1-6C alkyl
Patent EP-0687088-A2 (EP)
Inventor: KLINE RICHARD B
IPC: H04L12/56
Filed: 1995-05-15
Abstract: A method for distributed voice conferencing in a fast packet network packetizes the speech into speech fast packets. The speech fast packets are transmitted to a central conference handler(42). The conference handler(42) then provides the speech fast packets to the appropriate users. Another method of voice conferencing in a fast packet network is to send the speech fast packets directly to every other user in the voice conference.
Patent EP-0711698-A2 (EP)
Inventor: KRATZENBERG WOLFGANG
IPC: B62B5/00
Filed: 1995-11-06
Abstract: The trolley has a wheeled chassis with an attached handle (8), the rear wheels mounted on a common axle and the front wheels (66) mounted independently, so that each is free to pivot about a vertical axis for steering the trolley. At least one set of wheels are driven by a reversible electric drive motor, the energy supplied to the motor continuously regulated via an electronic regulation stage in dependence on the detected pushing or pulling force and/or steering force applied to the handle, provided by a sensor.