baber/WOPTO huggingface dataset:
Patent EP-0442527-A2 (EP)
Inventor: TAKEUCHI AKIHIKO
IPC: G03G15/16
Filed: 1991-02-15
Abstract: An image forming apparatus includes an image forming device for forming an image on a recording material (P), the image forming device including an image bearing member (1), a movable charging member (5) for charging the image bearing member (1) and a power source for supplying electric power (10) to the charging member; a constant current controller (11) for supplying the charging member (5) with a predetermined constant level of electric current; and a second controller for controlling an image forming condition by the image forming device on the basis of plural voltages provided at different points of time during a constant current control operation with the same constant current level by the constant current controller (11).
Patent EP-0454098-A2 (EP)
Inventor: ITO GOJI
IPC: B28B23/00
Filed: 1991-04-24
Abstract: A process for making concrete elements (10) of a substantially pot-shaped form is proposed, in which the concrete elements (10) are formed in the fabrication position, which is the inverse of the service position, in a mould (12), which has a mould core (14) and a radially outer mould mantle (16), arranged at a distance from the mould core (14). During the course of the process, an insert element (34) is placed on the upper end (14b) of the mould core (14), a mould cavity (24), formed between mould core (14) and mould mantle (16), is filled with concrete until the insert element (34) is completely covered to a desired layer thickness, the filled-in concrete is compacted, the concrete element (10) is stripped and allowed to set, the concrete element (10) remaining in the fabrication position at least until after setting and the projection of the outer circumference (34a) of the insert element (34) running on a plane running perpendicularly to the axis of the concrete element (10) between the projection of the outer circumference (14c) of the mould core (14) and the projection of the inner circumference (16a) of the mould mantle (16). <IMAGE>
Patent EP-0467025-A2 (EP)
Inventor: CLUBBS NEVILLE HENRY
IPC: B22C7/00
Filed: 1991-04-25
Abstract: The present invention relates to light-weight gypsum-based moulds, patterns and dies which are suitable in particular for the automotive, aircraft and shipbuilding industry and the sanitary and building sector, and to a process for their production. The essential characteristic of the invention is that absorptive, resilient reinforcing materials which are impregnated with a low-viscosity gypsum slurry and removed from the mould after setting are used for the production of the laminates. Particularly suitable reinforcing materials are fleeces and glass fibre mats. The moulds, patterns and dies produced by this process are particularly light but nevertheless very stable.
Patent EP-0481402-A2 (EP)
Inventor: GREGORY THOMAS
IPC: C08G73/22
Filed: 1991-10-14
Abstract: It is advantageous to prepare oligomers of polybenzazole polymers by reaction of AA-PBZ monomer with an excess of BB-PBZ monomer. The resulting oligomer dopes may be stored at a temperature at which they remain pumpable until such time as the dope can be advanced to higher molecular weight by adding additional AA-PBZ monomer. The molecular weight of the polymer may be adjusted by controlling the amount of chain extender and/or chain terminator added to oligomer mixtures as they are advanced to final molecular weight.
Patent EP-0451946-A2 (EP)
Inventor: VANWERT BERNARD
IPC: C08K5/5419
Filed: 1991-03-07
Abstract: The combination of (1) long term storage stability, (2) a relative short cure time at temperatures below about 150°C. and (3) cohesive bonding of the cured elastomer to a variety of substrates is achieved in a one-part organosiloxane composition that cures by a platinum-catalyzed hydrosilylation when the composition includes an acetylenic alcohol containing at least eight carbon atoms as the catalyst inhibitor and, as the adhesion promoter, an alkoxysilane containing an epoxy group and a polyorganosiloxane containing an average of at least one silicon-bonded hydroxyl group and at least one silicon-bonded vinyl radical per molecule. The concentrations of catalyst and adhesion promoter are within specified limits.
Patent EP-0457519-A2 (EP)
Inventor: GERSHONY MOSHE A
IPC: H04N1/405
Filed: 1991-05-10
Abstract: A technique for generating a screened reproduction of an image comprising the steps of providing a representation of an original having input density values representing the grey levels of various locations of the original for a given color separation, defining a desired screen dot arrangement for the image, writing screen dots in a line by line fashion, wherein each screen dot is made up of a plurality of lines whose length and location determines the dot configuration and whose length and location is determined by an analog operation employing the input density values of the original and the desired screen dot arrangement. Apparatus employing the method is also provided.
Patent EP-0468711-A2 (EP)
Inventor: NAKAGAWA NAOKI MITSUBISHI DENK
IPC: H01L29/786
Filed: 1991-07-19
Abstract: A matrix-addressed type display device having display material sandwiched between two substrates facing each other, and a transparent pixel electrode disposed in matrix arrangement, and the display device displaying characters by the application of a voltage selectively to the transparent pixel electrode by the use of a thin-film transistor (3). For the purpose of improving characteristics in display, an electric charge capacitor is provided in each pixel. This electric charge capacitor (7) is connected to an adjacent gate electrode path (1) including a transparent inner bottom electrode (17) sandwiched between a dielectric substrate (8) and a transparent pixel electrode (14). A transparent dielectric film (18) is interposed between the transparent pixel electrode (14) and the transparent inner bottom electrode (17).
Patent EP-0471551-A2 (EP)
Inventor: MATSUZAWA HIROSHI PATENTS DIV
IPC: H04N5/931
Filed: 1991-08-13
Abstract: An equalization circuit for a reproduced video signal detects the levels of a reference signal in two different frequency bands and, based on a comparison of the detected levels, selects an equalization curve from a memory (31) and controls the equalization characteristic of an equalizer (11) in the signal path based on the selected equalization curve. For a video frequency signal, low-pass and high-pass filters (25, 26) provide the two frequency bands for level checking, and for a radio frequency signal two band-pass filters (42, 43) provide the frequency bands of interest located above and below the centre colour carrier frequency. The memory (31) contains a number of equalization curves, one of which is selected based upon a comparison using the detected reference signal levels that is performed in a central processing unit (1).
Patent EP-0481780-A2 (EP)
Inventor: CHANG TE
IPC: C07C27/00
Filed: 1991-10-17
Abstract: The recovery of cycloalkanol/cycloalkanone from epoxidation mixtures which result from olefin epoxidation with cycloalkyl hydroperoxide is improved by hydrolysis of ketal compounds contained in the mixtures.
Patent EP-0482907-A2 (EP)
Inventor: MOCHIZUKI FUJIO
IPC: H01L21/3065
Filed: 1991-10-23
Abstract: An etching apparatus for producing a semiconductor device using a wafer formed of a semi-insulating or insulating substance comprises an electrode (14) and a wafer lifter (18) moveable up and down relative to the electrode (14). A table portion (18a) of the wafer lifter is accommodated in a recess (16) formed in the top surface of the electrode (14) when the wafer lifter (14) is displaced to a lowermost position thereof, so that the top surface of the table portion (18a) is flush with the top surface of the electrode (14). Profiles of an outer side wall (A) of the table portion (18a) and an inner side wall (B) of the recess (16) of the electrode (14) have an identical conical-shaped surface and are brought in contact with each other when the wafer lifter (18) is displaced to the lowermost position thereof at which the top surface of the wafer lifter (18) is flush with the top surface of the electrode (14).
Patent EP-0493892-A2 (EP)
Inventor: ARANGUREN WILLIAM L
IPC: H04L12/22
Filed: 1991-12-05
Abstract: Intrusion detection is afforded for local area networks by including one or more intelligent hub units connected to the stations in the network. The intelligent hub unit maintains a list of codes identifying those stations and units connected locally to ports of the intelligent hub unit. When a station initiates a message on the network, a source identifier code unique to the sending station is incorporated in the message as specified by the standard access protocol. At the intelligent hub unit, the source identifier code is recovered from the received message and the port at which the message was received is identified. The received source identifier code is compared with the particular entry in the stored list of codes corresponding to the identified port. If the comparisons fail to generate a matching condition between the source identifier and the particular entry in the list of codes, then the intelligent hub unit generates an alarm indicative of an intrusion on the network.
Patent EP-0475821-A2 (EP)
Inventor: SANSEVERO FRANK
IPC: B66B21/06
Filed: 1991-09-04
Abstract: An escalator which follows a curvilinear path with a fixed center constant radius in plan must have steps with specially configured risers. The step risers will have vertical cleats which mesh with trailing edges of adjacent steps, which meshing must be performed without risk of jamming. The escalator has an outer step chain which changes its effectual length over the path of travel of the escalator, whereby it is shorter in the inclined zone and longer in the landing zones of the escalator. The radii of the step risers, in elevation must thus decrease along the step riser cleats as the cleats descend away from the step tread.
Patent EP-0495394-A2 (EP)
Inventor: CHARTRAIN PIERRE
IPC: F24C7/06
Filed: 1992-01-09
Abstract: Cooking apparatus such as, for example, an oven includes a cooking chamber (1) having at least one electrical heating element (9) having a tubular envelope (10) of fragile material of the type of quartz or glass which is mounted in supports (16, 17) secured to the chamber (1) so as to maintain the envelope (10) at a distance from the internal wall of the chamber. The tubular envelope (10) is enclosed in a cage (18) whose wall (19) is sufficiently pierced to let pass the infrared radiation toward the interior of the chamber (1) and sufficiently rigid to resist any mechanical shock. The cage (18) is provided with members (24, 25) for securing it to the internal wall of the chamber (1).
Patent EP-0499114-A2 (EP)
Inventor: BARATTE HERVE
IPC: H01L21/265
Filed: 1992-02-04
Abstract: A method and article of manufacture are disclosed comprising substantially increasing the electrical activation and mobility of electrons in a III-V semiconductor material containing minor amounts of oxygen by doping a III-V crystalline material with an n-type dopant and adding or implanting an oxygen reactive element in the III-V material where the doses of dopant and implanted oxygen reactive element are low enough to effect this increase. These doses typically do not exceed about 1E13 cm⁻² and 4.5E12 cm⁻² respectively. The added or implanted oxygen reactive element preferably is at a dose less than the n-type dopant. Experimental data indicate that the added or implanted oxygen reactive element acts as a gettering agent to form an oxygen depleted zone between dopant and oxygen reactive element regions.
Patent EP-0501358-A2 (EP)
Inventor: OKABAYASHI TAKAHIRO
IPC: B23K31/02
Filed: 1992-02-24
Abstract: A method for the electrical connection between electrical joints of electric circuit components (4,5) includes disposing said electric circuit components so that said joints for the electrical connection are opposed to each other, and making the electrical connection between said electrical joints with a biasing force (110) which is exerted by an elastic member (8) from at least one side of said electric circuit component so that the biasing force is exerted consecutively from an intermediate position of connecting area where said joints are located to the periphery of said connecting area.
Patent EP-0523345-A2 (EP)
Inventor: RECHTSCHAFFEN RUDOLPH NATHAN
IPC: G06F9/44
Filed: 1992-05-19
Abstract: A self-parallelizing computer system and method asynchronously processes execution sequences of instructions in two modes of execution on a set of processing elements which communicate with each other. Each processing element is capable of decoding instructions, generating memory operand addresses, executing instructions and referencing and updating its own set of general purpose registers. These processing elements act in concert during the first mode of execution not only to execute the instructions in an execution sequence but also to partition an execution sequence into separate instruction subsequences. The separate instruction subsequences are stored along with additional information which will allow the stored subsequences to be correctly executed in parallel. Subsequent re-execution of the same execution sequence is done much faster in the second mode of execution, since each of the processing elements decodes and executes only the instructions in one of the subsequences while the other processing elements are concurrently each doing the same with another one of the subsequences.
Patent EP-0534371-A2 (EP)
Inventor: DOUTA HISAYO
IPC: F02D41/16
Filed: 1992-09-22
Abstract: An air-fuel ratio control system for an internal combustion engine utilizes a pre-stored standard relation between an air-fuel ratio indicative sensor signal and a standard air-fuel ratio indicative value for deriving the standard air-fuel ratio indicative value based on the sensor signal. The system further utilizes a pre-stored modified relation between the standard air-fuel ratio indicative value and a for-control air-fuel ratio indicative value for deriving the for-control air-fuel ratio indicative value based on the derived standard air-fuel ratio indicative value. In the modified relation, the for-control air-fuel ratio indicative value varies corresponding to a variation of the standard air-fuel ratio indicative value within a given range across the standard air-fuel ratio indicative value representing the stoichiometric air-fuel ratio. On the other hand, the for-control air-fuel ratio indicative value is held constant outside the given range. The system performs an air-fuel ratio feedback control based on a deviation between the derived for-control air-fuel ratio indicative value and a target air-fuel ratio indicative value.
Patent EP-0497557-A2 (EP)
Inventor: KLINE ROBERT J
IPC: G11B15/32
Filed: 1992-01-28
Abstract: A system for improving the quality of wound rolls (10) of magnetic tape (12) includes a roll (10) on which the tape (12) is wound and a charging apparatus which charges the tape (12). The charging apparatus applies an electrostatic charge onto the tape (12) to create an attractive force between the tape strands as they are brought together during winding to improve the alignment of the tape (12) on the roll (10) during high speed winding. The static charging does not significantly effect the tape performance. The charging apparatus includes at least one corona needle (28) press fit into a brass block (46), and an insulated supply cable (32) connected between the brass block (46) and a voltage source (30).
Patent EP-0501791-A2 (EP)
Inventor: SAKUTA KOJI
IPC: A61Q19/00
Filed: 1992-02-27
Abstract: A novel silicone polymer which is obtained by addition polymerization of at least one organohydrogenpolysiloxane of the type shown below  
 
        (1)   R 1   a R 2   b H o SiO (4-a-b-o)/2   
 
 
 
        (2)   R 1   j H k SiO (4-j-k)/2   
 
 
 and a specific type of polyoxyalkylene and/or organopolysiloxane provided that at least one selected from the organohydrogenpolysiloxane of the general formula (1) and the polyoxyalkylene is essentially used for the addition polymerization. The silicone polymer is capable of being swollen with silicone oils to give a uniform, pasty composition without use of any surface active agent. This composition is able to stably, uniformly disperse water therein. Thus, the silicone polymer has wide utility in the fields of cosmetics and medicines.
Patent EP-0506480-A2 (EP)
Inventor: NAGAYOSHI SHINSUKE
IPC: H01L23/10
Filed: 1992-03-27
Abstract: A semiconductor device is constituted by a semiconductor package (32) having a semiconductor chip (31) therein, a lid (11) bonded to the semiconductor package (32) using an adhesive agent (36), and a cooler (34) bonded to a surface of the lid (11). The bonded surface between the semiconductor package (32) and the lid (11) is positioned inside the periphery of the lid (11) by a predetermined distance. Thus, the adhesive agent (36) does not adhere to a side nor surface of the lid (11) and then a cooler (34) can be easily bonded to the lid surface. As a result, a semiconductor device with high reliability can be provided and alignment can be made with ease at the time of modularization by using a plurality of chips (31).
Patent EP-0514112-A2 (EP)
Title: Linked data structure
Inventor: SEIGH JOSEPH WILLIAM II
IPC: G06F12/00
Filed: 1992-05-12
Abstract: A system and method for maintaining linked data structures stored in a computer system capable of processing the stored data as addressable object nodes, so that any data object node may be modified prior to the completion of outstanding read only accesses to that node. The system and method maintain an access vector for each node. The access vectors include an access counter which counts the number of read only accesses from a present node to the next node, and a link pointing to a next node. The number of read only accesses in effect for a node is the sum of access counts of all access vectors pointing to that node, minus the ADJ and minus the sum of access counts of all access vectors with access to that node. A node in the list can be replaced or deleted by first changing the pointers of all nodes that point to the node to point to a new one. Then, modifying the access count of the node by subtracting the maximum value of the access counts pointing to the node from the count in the node. Read only accesses out of the node continue to increment the access count, and when it reaches zero the node can be deleted. Because the pointers to the node had been changed, read only processes can continue without pausing for the change or replacement event.
Patent EP-0521616-A2 (EP)
Inventor: SAKAI IZUMI
IPC: G01D5/26
Filed: 1992-06-01
Abstract: A displacement sensor comprises a transducer arrangement (2-11) having sensing regions for sensing energy received from consecutive regions of an object, and moving means (16) for causing an image of the object to move cyclically with respect to the sensing regions. The sensing regions (4-11) are divided into first and second groups, adjacent sensing regions belonging to different groups. The outputs of the sensing regions in the first and second groups are summed to form first and second sums, respectively. The first and second sums are subtracted to form a difference signal. The phase of the difference signal is compared with the phase of the movement produced by the moving means (16) to provide a measurement of displacement.
Patent EP-0517511-A2 (EP)
Inventor: KAWAGUCHI KUNIAKI
IPC: C08G63/688
Filed: 1992-06-03
Abstract: The present invention provides a process for the preparation of a polyester which has a high rate of crystallisation and is excellent not only in the processability in moulding but also in heat resistance and mechanical strengths. 
     In the preparation of an aromatic polyester by the reaction of a lower alkyl ester of an aromatic dicarboxylic acid with an aliphatic diol, the transesterification of the lower alkyl ester with the diol is conducted in the presence of 0.02 to 5.0 mole %, based on the lower alkyl ester of an aromatic dicarboxylic acid, of an aromatic sulfonic acid compound represented by the following general formula (I) by the use of a titanium compound as a catalyst, followed by the polycondensation of the transesterification product:  
 
        HO-R-O-Ar-SO₃M   (I) 
 
 
    wherein -Ar- is a group selected between p-substituted benzene and 2,6-substituted naphthalene groups; 
   R is a divalent group selected from among -CH₂CH₂-, -CH(CH₃)CH₂-, -CH₂CH(CH₃)- and -CH₂CH₂OCH₂CH₂-; 
   and M is an alkali metal selected from among lithium, sodium and potassium. 
     An excellent composition comprising this polyester and other aromatic polyester can be obtained.
Patent EP-0511029-A2 (EP)
Inventor: OGITA HIROMITSU
IPC: B41J35/18
Filed: 1988-12-09
Abstract: A thermal transfer type color printer comprising:
     (a) an ink film supply roll (7) for supplying an ink film (6) on which plural color inks are sequentially painted in its longitudinal direction;   (b) ink film transporting means (9) for transporting said ink film;   (c) a cylindrically-shaped platen roller (5) capable of revolving forward and backward around its shaft line, said platen roller having an outer peripheral face on which plural sprocket pins (5a) are regularly formed, said sprocket pins being arranged in such a manner that each of said sprocket pins can be matched with each of feed holes (2a) formed at an edge portion of a printing paper in its longitudinal direction, said printing paper being partially wound around the outer peripheral face of said platen roller and said ink film being partially wound to be in close contact with said printing paper so that said printing paper is transported forward and backward in accordance with revolution of said platen roller in color printing;   (d) a thermal head (10) capable of being pressed against and separated from said platen roller; and   (e) tension applying means (101) for applying tension force to said ink film in its longitudinal direction so that said ink film can be in close contact with said printing paper wound around said platen roller during said printing paper is transported backward by said platen roller, 
   said thermal head being repeatedly pressed against and separated from said platen roller which is repeatedly revolved forward and backward so that said printing paper is transported forward and backward while said ink film is sequentially transported forward, 
   whereby said thermal head transfers said plural color inks on said printing paper so that a desirable color image will be printed out without color dislocation and without forming untransferred portions thereof by said tension applying means.
Patent EP-0555841-A2 (EP)
Inventor: HAYASHI MASAO
IPC: G06K15/00
Filed: 1993-02-11
Abstract: An output apparatus includes a memory for storing output environment setting information for setting an output environment in units of output environments, a registration unit for registering the output environment setting information in the memory, a read-out unit for reading out desired output environment setting information from the memory in units of output environments, and an output environment setting unit for setting an output environment on the basis of the output environment setting information read out by the read-out unit.
Patent EP-0570670-A2 (EP)
Inventor: BRANDL GEORG DIPL-ING FH
IPC: F24C7/08
Filed: 1993-02-25
Abstract: The cooking top is formed from a top surface which preferably has a number of cooking points and which is surrounded by a top frame which bears on at least one frame leg control members for the cooking points. According to the invention, control members in the form of knurled discs or push buttons are arranged on one outer downwardly sloping leg surface of the frame leg, this frame leg preferably being raised in a desk-like manner. <IMAGE>