baber/WOPTO huggingface dataset:
Patent EP-0475681-A2 (EP)
Inventor: KAMERMAN ADRIAAN
IPC: H04L12/28
Filed: 1991-09-05
Abstract: A local area network station (12) includes a transceiver (20) adapted to transmit and receive signals using electromagnetic radiation on a wireless communications link. The station (12) utilizes a CSMA/CD communications controller (22) in a CSMA/CA (collision avoidance) technique wherein deferred data frames are transmitted after a random number of backoff slot periods. A plurality of antennas (14,16) are employed, with the antenna having the best receive conditions being selected for reception of a data frame. The antennas have a slotting control (200) which is synchronized with the backoff slotting to provide a short carrier detect time and hence high throughput.
Patent EP-0491552-A2 (EP)
Inventor: KURIBARA MASARU
IPC: F25B49/02
Filed: 1991-12-17
Abstract: An air conditioning system having a circuit (41) for determining whether sufficient refrigerant is present in the system by detecting a phase state of the refrigerant. The circuit (41) comprises a comparison circuit (42) for comparing a detection signal of a state detecting sensor (9) with a first reference value and a second reference value lower than the first reference value. An indication signal is output after the detection signal exceeds the first reference value until the detection signal is less than the second reference value. When the amount of refrigerant in the system is proper, even if the detection signal varies due to translucent lubricating oil in the refrigerant, the indication signal is continued to be output unless the detection signal drops below the second reference value. The amount of refrigerant in the refrigerant circuit (1) can be accurately determined and maintained within a proper range. If the detection signal becomes less than the second reference value from, for example, leakage of refrigerant, the amount of refrigerant in the refrigerant circuit (1) can also be accurately determined as insufficient.
Patent EP-0461043-A2 (EP)
Title: Enantiomer separation by transesterification
Inventor: DODDS DAVID R
IPC: C07C213/10
Filed: 1991-06-07
Abstract: Disclosed is a process for resolving enantiomeric mixtures of 2-substituted propanoic acids and related compounds by first derivatizing the compounds to produce water soluble ester forms of the acids, and using the ester forms in an enantiomerically selective enzyme catalyzed reaction. The water soluble substrates are disposed in an aqueous solution of a water soluble donor alcohol in the presence of a hydrolase enzyme and produce by transesterification a product ester rich in one of the two enantiomers having reduced water solubility. Separation of the enantiomers thereafter may be conducted using various conventional means. The process is versatile and efficient because it can be conducted in aqueous solution to produce an easily separated product which inherently is a relatively poor substrate for hydrolase enzyme catalyzed hydrolysis.
Patent EP-0510325-A2 (EP)
Inventor: AMEMIYA KOJI
IPC: G03G15/01
Filed: 1992-02-21
Abstract: An image forming apparatus includes an image forming unit for forming an image on a recording medium, a measurement unit for measuring the density of the image formed on the recording medium, a control unit for determining an operation condition of the image forming unit on the basis of a measurement result from the measurement unit, a storage unit for storing the operation condition determined by the control unit, and a display unit for reading out the operation condition stored in the storage unit at a desired timing, and displaying the readout operation condition.
Patent EP-0505781-A2 (EP)
Inventor: OLNOWICH HOWARD THOMAS
IPC: H04L12/18
Filed: 1992-03-05
Abstract: A generic network device includes a serial line switching apparatus for performing either parallel or serial communications amongst multiple nodes over switching networks. An aspect includes is the adaptation of standard and proprietary serial interfaces using either optical or electrical transmission media to interface to the parallel switch. The converted serial data is routed to the selected destination through the parallel switch network, where it is received and converted back into a serial optical or electrical interface/protocol. Thus, the combination of the switching adapter and an ALLNODE parallel switching network make it feasible for serial message data to be switched and routed to various destinations. A a parallel electrical switch can efficiently handle either optical or electrical serial data and utilize information via wireless gateways to provide the features required for parallel processing and "farm" approaches, such as low latency, high bandwidth, scalability, fault tolerance, and high reliability. In addition, further flexibility is provided which permits the switching adapter to be personalized to support the any one of a number of standard and proprietary serial protocols. A personalisation PROM specifies the particular serial protocol that each individual adapter is to support. The parallel switching network becomes a flexible media that interconnects and allows different serial protocols to communicate with each other; i.e., any number of different serial protocols can interface with the same parallel switch network. This allows every node of the parallel system to send and receive messages using its own native protocol. However, a node is not restricted to communicating only with others nodes using the same protocol, but it can communicate with any of the other nodes regardless of the serial protocol they use. The switch enables generic networks with heterogeneous and/or homologous nodes as a computer system. It can replace LANs and WANs and provide high speed cluster switching. Applications include parallel processing with existing computers, and features of multiple processor computer system which transfer multi-media information from one or many senders to one or many receivers, useful in teaching and many other applications. The nodes of an asynchronous computer system are connected asynchronously in a non-blocking by search manner with connections for set up at 2 cycles per cascaded node and message transfer continues at maximum media transfer speed.
Patent EP-0544079-A2 (EP)
Inventor: HOEFLE FLORIAN
IPC: G10H1/26
Filed: 1992-09-30
Abstract: The invention relates to a sound emitting device having at least one reproducing card and a device accommodating this card, by which device at least one sound and/or a noise can be generated. Having such a sound emitting device, it should be possible to generate different sounds and/or noises or different sound and/or noise sequences in arbitrarily changing manner in accordance with a variation in the playing of the card. For this purpose, the reproducing card exhibits a coding containing the sound and/or the noise or, respectively, the sound and/or noise sequence, which can be detected by the device mentioned initially, which exhibits a power source and electronics which can be connected to the source, and can be acoustically converted into the corresponding sound and/or the noise or, respectively, the sound sequence and/or noise sequence. <IMAGE>
Patent EP-0538826-A2 (EP)
Inventor: INOUE KAORU
IPC: C07C67/04
Filed: 1992-10-21
Abstract: Ethyl acetate is produced in good yield by reacting ethylene with acetic acid in the presence of a catalyst comprising a tungstophosphoric acid of which 10 - 90 % of the total amount of protons are replaced by
     (a) cesium cations, (b) a combination of cesium cations and cations of at least one alkali metal other than cesium, and (c) a combination of cesium cations and cations of at least one iron group metal.
Patent EP-0540105-A2 (EP)
Inventor: NOORDELOOS JACOB HENDRIK
IPC: G01R13/34
Filed: 1992-10-23
Abstract: A sampling device (12) for a digital measuring instrument (1) is provided, which device (12) operates on the basis of time conversion. Compared with known sampling devices with time conversion based on CCD technology, the sampling device according to the invention comprises a retiming switch (d1) for retiming analog signals followed by a charge demultiplexing circuit (dmx) which operates in the charge domain. The charge demultiplexing circuit (dmx) is followed by a CCD array (pch0 to pch7) for storage of charge packages of the signal to be converted. The CCD structure, which is filled with charge packages at high speed, is read out at a much lower speed. The CCD structure according to the invention is optimally utilized through a suitable choice of control signals and is easy to control. Furthermore, less high requirements are set for the CCD drivers ad the peripheral clock system.
Patent EP-0496537-A2 (EP)
Inventor: MITO TOSHITSUGU
IPC: H02J7/00
Filed: 1992-01-17
Abstract: A charge monitor for a battery operated computer includes a processor electrically connected to a plurality of signal generating circuits. The generated signals represent the temperature, voltage and current characteristics of the battery being monitored. The level of remaining battery energy is ascertained by utilising a predetermined discharge table which is dependent upon the battery temperature, voltage and current.
Patent EP-0497529-A2 (EP)
Inventor: BARTON LAURENCE GEORGE
IPC: B62D1/19
Filed: 1992-01-27
Abstract: A vehicle steering column (1) incorporates a device (2) to allow manual reach adjustment of the steering column. Means (3) is provided to pull the steering wheel away to one side of the driver in the event of an impact of the vehicle. 
     Two legs (6, 7) one connected to the steering column assembly and the other to the pulling cable (3) each have along one edge ramps (6a, 7a) and opposite edges have serrated portions (6b, 7b). One leg is inverted relatively to the other so that they mate with ramps of one leg nesting in valleys defined by the ramps of the other leg. A shear element (8) secures the legs normally. 
     The legs are located by two guide rails (9) in a serrated block assembly (10) with its serrations (10a) lying closely adjacent but normally clear of serrations (6b, 7b). 
     Upon vehicle impact, the cable (3) is pulled and the leg (7) tries to separate from the other leg (6), the shear element (8) breaks and the serrations on the legs lock into the serrations of the serrated block assembly (10). Further pulling continues to pull the whole assembly.
Patent EP-0498553-A2 (EP)
Inventor: COHEN ISAAC
IPC: H02M3/156
Filed: 1992-01-27
Abstract: Adaptive control of converters is provided to achieve, in one case, a constant current characteristic by controlling input power as a function of the ratio of output voltage to output current. In another class of circuits, input current to the converter is controlled under an adaptive control arrangement in response to output voltage/output current ratios which may also be modified by input current or input voltage. The adaptive control may be augmented with low frequency negative feedback control loops.
Patent EP-0505204-A2 (EP)
Inventor: SHIMURA YUKIHIRO
IPC: H04W72/04
Filed: 1992-03-20
Abstract: A base station comprises a memory for storing at least two vacant channel. When a communication request is generated, the at least two vacant channel are supplied to a mobile station. When a mobile station detects one of the at least two channel to be vacant, a communication starts between the two stations by using the detected channel.
Patent EP-0528550-A2 (EP)
Inventor: HARRIS PHILIP C
IPC: C09K8/68
Filed: 1992-07-21
Abstract: A subterranean formation is treated, eg. stimulated, by injecting a gelled fluid containing a galactomannan gum and a crosslinking agent comprising a source of borate ions and a delayed crosslinker comprising a source of Zr(+4) ions. The combination of crosslinking agents yields a viscous fluid at elevated temperatures having a viscosity higher than attainable by either crosslinking agent alone or as the result of the additive effects of the crosslinking agents.
Patent EP-0526250-A2 (EP)
Inventor: MIZUMOTO KATSUJI
IPC: G11B21/08
Filed: 1992-07-31
Abstract: Recorded information is reproduced from a recordable optical disc with a light beam applied from an optical pickup to the recordable optical disc. The recordable optical disc has a program area for recording main information, a PMA area for recording recording history information relative to main information which is in the process of being recorded in the program area, and a lead-in area for recording, as index information, recording history information relative to main information which has fully been recorded in the program area. While the recordable optical disc is at rest, it is determined whether index information is recorded in the lead-in area, and if index information is not recorded in the lead-in area, the optical pickup is moved to a region of the PMA area where the recording history information is recorded while the recordable optical disc is at rest. After the optical pickup has reached the region, the optical pickup reads the recording history information while the recordable optical disc is being rotated. After the recording history information has been read from the region, the optical pickup Is moved to the program area while the recording optical disc is being rotated at a constant speed.
Patent EP-0532221-A2 (EP)
Inventor: ROMANSKI JOHN GERARD
IPC: G06T9/00
Filed: 1992-09-02
Abstract: A device, system and method of image processing and compression are preferably used with second generation infrared (IR) detector arrays where the pixel size is less than the optical blur of the system. Raw input pixels are compressed such that output pixels are more closely matched to the optical blur of the system. Further, the number of output pixels are compressed from a greater number of input pixels, based upon a selected input-to-output compression ratio. The ratio is not constrained to be of an integer value. The compression takes place using a plurality of neighborhood processors, each corresponding to a different output pixel type. Each neighborhood processor contains a plurality of different predetermined weighed fractions of input pixel data and are used to produce compressed output pixel data, based upon the selected input-to-output compression ratio and the output pixel type, for real-time processing.
Patent EP-0558059-A2 (EP)
Inventor: ISHIZAKI AKIRA
IPC: G09G3/36
Filed: 1993-02-26
Abstract: A liquid crystal display includes a liquid crystal sealed in a space between a pair of substrates through the intermediary of a spacer, and electrodes provided on the substrates for applying voltages between selected electrodes on one of the substrates and corresponding ones on the other so as to control the orientation of the liquid crystal in order to effect displays. While one of the substrates is an active-matrix substrate on which pixel electrodes are disposed in a matrix pattern with a transistor being disposed for each pixel electrode, the other substrate supports thereon both opposite electrodes divided into sections parallel with scanning lines and a potential controlling device for controlling the potential of the opposite electrodes. Since the opposite electrodes are inverted and driven by the potential controlling device on the same substrate as the opposite electrodes, power consumption can be decreased while the number of wiring elements between the substrates is decreased to improve reliability.
Patent EP-0562625-A2 (EP)
Inventor: IMAI SHINICHI
IPC: C23C16/40
Filed: 1993-03-26
Abstract: The characteristic of semiconductor devices is satisfactorily maintained because the planarization of a dielectric film of a semiconductor device is carried out at a lower flow temperature. In the case of a silicon dioxide film being a dielectric film, a network structure is composed of atoms of silicon which serve as a main constituent, and of atoms of oxygen which serve as a sub-constituent of a matrix of the dielectric film. These oxygen atoms are replaced by non-bridging constituents such as atoms of halogen including fluorine. This breaks a bridge, via an oxygen atom, between the silicon atoms, at a position where such a replacement takes place. In consequence, the viscosity of the dielectric film falls with the flow temperature. If, for example, part of the oxygen in a BPSG film is substituted by fluorine, this allows the dielectric film to flow at a lower temperature of 850 °C. The short channel effects can be suppressed.
Patent EP-0573861-A2 (EP)
Inventor: SASAKI KATSUHIRO C O NEC CORPO
IPC: H04J3/16
Filed: 1993-05-28
Abstract: With the assumption of the bit number of one frame of a synchronous transport module to be S and the bit number of one radio frame in radio communication to be M, the bit number M of the radio frame is set to satisfy a relation S = K- M (K is a natural number other than 0). Hereby, the circuit construction of a SDH radio communication transmitter/receiver equipment is simplified and power consumption is reduced. In the case where a radio intermediate switching station is installed, the circuit construction of the intermediate station is simplified and power consumption is reduced.
Patent EP-0576864-A2 (EP)
Inventor: SCHESSEL LARRY EDWARD
IPC: H04Q3/00
Filed: 1993-06-04
Abstract: A method of assigning a feature service to the line of a subscriber of a telecommunications network during the network's administration operation. The first step of the method is executing, at a predefined point during the administration, a first data operation to determine whether the assignment of a respective feature service is blocked by a currently assigned feature service. Thereafter, the method executes a second data operation to determine whether the assignment of the respective feature service requires the prior assignment of another feature service. The method then assigns the feature service to the subscriber line upon determining that the feature service is not blocked and that any required feature services are already assigned to the line.
Patent EP-0559448-A2 (EP)
Inventor: NAM TOM LEONG
IPC: G01T1/161
Filed: 1993-03-03
Abstract: The invention relates to a diamond radiation probe (10) which is sensitive to ionising radiations. The probe (10) comprises an elongate probe body (14) terminating in a probe head (12). First and second electrodes (18; 20) are carried on the probe head, and mounting means, such as a clamp (32, 40, 42), are provided for mounting a counting diamond (24) between the first and second electrodes. First and second electrically conductive leads (32, 36, 54; 71) extend rearwardly from the respective first and second electrodes through the probe body, and an earth shield (46) is interposed between the first and second leads. The second electrode (20) is disposed rearwardly of the first electrode, and the first and second electrodes are arranged to contact opposite sides of the counting diamond (24). Both the electrodes and the probe head are formed from a material which is near tissue-equivalent. The probe is designed to be used with dosimetry equipment, and is particularly well suited for use in electron beam therapy.
Patent EP-0590870-A2 (EP)
Inventor: HAYES TODD ROBERT
IPC: H01S5/20
Filed: 1993-09-22
Abstract: InP-based buried heterostructure lasers are made by a process that involves forming a mesa by a reactive ion etch (RIE), followed by "second growth" of In- and P-containing material by a vapor deposition process, with the deposition gas comprising a halogen (typically Cl)-containing species. Carrying out the process in such a manner that, at the start of the second growth, the semiconductor surface is substantially free of damage can result in lasers having improved properties. A preferred embodiment of the invention comprises a light chemical etch of the semiconductor surface after completion of RIE. Exemplarily, the etchant is 8HBr:2H₂O₂ (30%):90H₂O, and about 100 nm of material are removed.
Patent EP-0632567-A2 (EP)
Inventor: SASSI EZIO MARIA
IPC: H02K15/02
Filed: 1994-05-19
Abstract: In a method for the automatic forming of packs of trimmed metal sheets for armatures of electrical machinery or the like, the pack (P') is formed by the controlled drop of a sheet stack (P) housed in a tubular magazine (1) open at the bottom, against an underlying collection bottom (2) which is brought to a predefined distance from the lower end of the magazine (1). A tightening clamp (3,4) at the lower end of the magazine (1) blocks the stack (P) against a further gravity drop after its descent against the collection bottom (2). A subsequent first lowering of the bottom (2) to separate the pack (P') from the overlying stack, by virtue of detachment means (22, 122), is followed by a detachment from the lower sheet (L') of the stack (P) of a possible sheet (L) which is mistakenly and temporarily held against said lower sheet (L') of the stack (P) but belongs to the overlying pack (P'). This invention also relates to a device for the accomplishment of this method.
Patent EP-0631029-A2 (EP)
Inventor: AOKI HISASHI C O K K TOKAI RIK
IPC: E05B17/22
Filed: 1994-06-01
Abstract: A key-operated cylinder lock includes a rotor casing (2); a rotor (3) having a key inserting channel (3a), which is 
rotatably arranged in the rotor casing (2); a permanent magnet (6) provided in the rotor (3) near the key inserting channel (3a); a magnetic detecting element (7) provided in the rotor casing (2) in such a manner that the magnetic flux of the permanent magnet (6) acts on the magnetic detecting element (7); a magnetic shutter (4) swingably provided in the rotor (3) in such a manner as to open and close the key inserting channel (3a), the shutter (4) being made of a magnetic material and adapted to interrupt the application of the magnetic flux of the permanent magnet (6) to the magnet detecting element (7) when the shutter (4) is swung to a channel closing position to close the key inserting channel (3a) by a key (30) inserted into the key inserting channel (3a); and a spring member (20) provided in the rotor (3), which is adapted to urge the shutter (4) towards the channel closing position.
Patent EP-0635839-A2 (EP)
Inventor: TODA HARUKI
IPC: G11C11/401
Filed: 1994-07-21
Abstract: Memory cell column lines are provided in a memory cell array for constructing a random access memory. Each of the memory cell column lines is divided into a plurality of partial column lines (COL11-COL14). Data is sensed in each of the partial column lines in correspondence to the row selected during random access. Either one of seral registers (SRL, SRR) of a serial access memory is provided on each side of two adjacent lines of the memory cell column lines, respectively. These registers are connected to the two adjacent memory cell column lines via gate elements (TRG1L,TRG2L,TRG1R,TRG2R), respectively for data transfer of the random access memory and the serial access memory. By selectively controlling the gate elements, it is possible to use the four-divided partial column lines as the transfer paths when deactivated, thus reducing the power consumption and improving the integration rate of the video memory. Further, the video memory can be applicable to various transfer modes.
Patent EP-0612801-A2 (EP)
Inventor: TRINCHERO GIOVANNI
IPC: C08L23/12
Filed: 1994-01-28
Abstract: Chrome-plating of calcium carbonate-filled polypropylene proceeds at a higher rate and with better adhesion when the polypropylene is further modified with a segmented copolymer of polypropylene// poly (methyl methacrylate).