baber/WOPTO huggingface dataset:
Patent JP-2001194669-A (JP)
Title: Liquid crystal display panel
Inventor: YOSHIDA HIDESHI
IPC: H04N5/66
Filed: 2000-11-06
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal display panel with improved display quality attaining excellent display characteristics in all viewing directions when the liquid crystal display panel is seen with a prescribed viewing angle. SOLUTION: In the liquid crystal display panel with viewing angle compensation members 22 and a liquid crystal panel 23 comprising a liquid crystal 32 enclosed between transparent insulation substrates held between two polarizing plates 21, 24 of which the polarization directions perpendicularly intersect with each other, the respective viewing angle compensation members 22 are placed between the liquid crystal layer and the polarizing plates 21, 24 so as to sandwich the liquid crystal layer and optical axes of the respective viewing angle compensation members perpendicularly intersect with each other.  When the aligning direction in which the liquid crystal molecules tilt with respect to the transparent insulation substrate is defined as 0 deg., the angle ϕa of the absorption axis of the one polarizing plate is adjusted to 45 deg. and the optical axis of the viewing angle compensation member approximating to the polarizing plate is adjusted to -45 deg..
Patent JP-2002140825-A (JP)
Title: Access control method for optical disk unit
Inventor: ONO KAZUHIKO
IPC: G11B7/085
Filed: 2000-11-01
Abstract: PROBLEM TO BE SOLVED: To provide a method for easily and stably performing the access control of an optical pickup at low cost by suppressing the failure of a focus jump in a reproducing device for an optical disk having a plurality of recording layers. SOLUTION: In the access control of the optical pickup including moving between recording layers, first, it is judged whether the focus jump on a present address can be carried out or not and when it can not be carried out, the focus jump is carried out after moving a light spot to a closest position capable of focus jump on the present layer so that the failure of the focus jump can be avoided. Afterwards, the light spot is moved to a target data address on a target layer.
Patent JP-2002148860-A (JP)
Title: Method of manufacturing polymerization process toner
Inventor: KOYAMA HIROSHI
IPC: G03G9/087
Filed: 2000-11-08
Abstract: PROBLEM TO BE SOLVED: To provide a method of manufacturing polymerization process toners by which high improving density is stably maintained and which do not give rise to fogging or the like, stably yield high-quality images even under the environment of high temperature and high moisture and have durability. SOLUTION: This method of manufacturing the polymerization process toners consists in polymerizing a polymerizable monomer composition containing at least polymerizable monomers and coloring agents in a medium to form colored polymer particles, then filtering the colored polymer particles out of the medium, adding a cleaning liquid 14 to the filtered colored polymer particles 13 to reslurry the particles, filtering the colored polymer particles again out of the reslurry liquid and drying the refiltered colored polymer particles 17. The reslurry process step successively manufactures the reslurry liquid 15 by supplying and mixing the colored polymer particles 13 by a small amount each into and with the continuously or intermittently flowing cleaning liquid 14.
Patent JP-2002145318-A (JP)
Title: Package, method of removing packaging film from package, and packaging apparatus
Inventor: NAKAGAWA YUKIO
IPC: B65B61/18
Filed: 2000-11-08
Abstract: PROBLEM TO BE SOLVED: To hygienically and easily remove a stretch-wrap film from a package which is top-sealed with the film. SOLUTION: A film F is removed by using a label 4 which is generally stuck to an article. The label 4 having a region 4a with strong adhesion and a region 4b with weak adhesion is stuck on the film F. When unsealing, the region 4b is first peeled from the film F and the label 4 is peeled from the film F with the region 4b pinched. The film F can be broken and easily removed by pulling the film F by the label 4. The method is hygienic as the film F does not hang in a tray 2 to come into contact with contents.
Patent JP-2002144272-A (JP)
Title: Object gripping device
Inventor: SETA YOSHITAKA
IPC: B65H3/00
Filed: 2000-11-08
Abstract: PROBLEM TO BE SOLVED: To provide an object gripping device capable of loading work 11 just on a target position. SOLUTION: Supporting members 36 projecting in the direction to approach to a grip member 9 are mounted at a lower end part of a pair of grip members 9 capable of being displaced to be approached to or separated from each other, vertically extended operation members 45 are oscillatably mounted on the grip members 9 through hinges 39, coil springs 65 are mounted between each grip member 9 and each operation member 45, its spring force is determined to be more than a value necessary for relatively moving a lower part of an end part of the work 11 on the supporting members 36, and first and second stopper members 53, 57 are respectively mounted on the operation member 45 and the grip member 9.  When the grip of the work 11 is released by moving the pair of grip members 9 in the direction to be separated from each other, the operation member 45 is angularly displaced in the approaching direction by the spring force of the coil spring 65 to hold the work 11 on a target receiving position 70. Whereby the work 11 can be correctly placed on the target receiving position 70.
Patent JP-2002145081-A (JP)
Title: Electric power steering device
Inventor: KOBAYASHI SADATO
IPC: F16D1/06
Filed: 2000-11-08
Abstract: PROBLEM TO BE SOLVED: To set joining torque relatively large without causing deformation such as a gall, to easily adjust this joining torque, to sufficiently prevent reduction in transmission efficiency of auxiliary steering force caused by a temperature change, and to excellently maintain gear meshing accuracy. SOLUTION: A male serration 12a and a male taper surface 12b formed on a fitting outer peripheral surface of a pinion shaft 4, are respectively fitted to a female serration 11a and a female taper surface 11b formed on a fitting inner peripheral surface of a worm wheel 6, and both are pressed and fastened in the shaft direction by a lock nut 13. When increasing shaft directional pressure contact force of both taper surfaces 11b and 12b of the worm wheel 6 and the pinion shaft 4 by increasing pressing force and fastening force by the lock nut 13, the joining torque of the worm wheel 6 and the pinion shaft 4 can be set relatively large.
Patent JP-2002145076-A (JP)
Title: Joining structure of telescopic shaft
Inventor: TACHIKAWA SEIICHI
IPC: B62D1/18
Filed: 2000-11-08
Abstract: PROBLEM TO BE SOLVED: To hold a sufficient quantity of grease in clearance by enlarging the clearance between both serration teeth of an inner shaft and an outer shaft. SOLUTION: The outer shaft 2 is fitted by a serration to the inner shaft 1 so as to be nonrotatable and freely slidable in the shaft direction. The height of the tooth end of either one serration tooth 3 and 4 of these inner shaft 2 and outer shaft 2 is set lower than the conventional height. At fabrication time of the serration tooth 3 of the inner shaft 1, the tip part side over pin diameter is set smaller than a base shaft part side over pin diameter.
Patent JP-2002151167-A (JP)
Title: Air cell
Inventor: MAEDA SEIJI
IPC: H01M12/06
Filed: 2000-11-10
Abstract: PROBLEM TO BE SOLVED: To provide an air cell structure easy to handle without the user touching the electrolytic solution directly and allowing the cell to work certainly even in case of emergency. SOLUTION: A vessel 20 in which electrolytic solution is previously accommodated and a jar 1 to accommodate a package formed by bundling a plurality of unit cells and admitting storage of the electrolytic solution, in which the package is dipped to perform power generation, are combined to form an air cell set.
Patent JP-2002151732-A (JP)
Title: Method of manufacturing semiconductor photodetector
Inventor: ARAGAKI MINORU
IPC: H01L31/0203
Filed: 2000-11-10
Abstract: PROBLEM TO BE SOLVED: To provide a method of manufacturing a semiconductor photodetector with high productivity, where the photodetector is high in photo detection sensitivity and capable of coping with high-speed light communication. SOLUTION: A multilayered film composed of layers 2 to 7 including a light absorbing layer 4 is formed on a GaAs substrate 1. A glass substrate 8 is superposed on the GaAs substrate 1 in contact with the outermost film 7 of the multilayered film, and the GaAs substrate 1 and glass substrate 8 are heated, compressed together, and fused into a laminate. Then, the GaAs substrate 1 and the buffer layer 2 are removed from the laminate by etching, and then an etching stop layer 3 is removed. Comb-like Schottky electrodes 10 and 11 are formed in contact with the light absorbing layer 4 and separated from each other by a certain distance.
Patent JP-2002152709-A (JP)
Title: Cable modem, communication method and communication network system
Inventor: SAITO SATOSHI
IPC: H04L12/44
Filed: 2000-11-10
Abstract: PROBLEM TO BE SOLVED: To provide a cable MODEM for a CATV channel adopting a revision about how to assign a frequency band to a transmission line used by the CATV channel so as to ensure the security of communication and enhance the utilizing efficiency of operating frequencies in the unit of nodes thereby coping with increase in data communication amounts associated with digitized CATV channels. SOLUTION: A center facility 1 uses a MAC(Media Access Control) address registered in the cable MODEM 14 in each user's home 21 to assign an operating frequency to each cable MODEM 14. The center facility 1 does not share all of common frequency bands to nodes 20 (20A, 20B, 20n) connected to an optical fiber 10 acting like a transmission line for the CATV channel 9 but shares different frequency bands from nodes in the unit to the fiber 10 and manages the channels. Moreover, a node converter 6 is provided on the transmission line for the CATV channels 9 to differentiate converting frequencies of incoming and outgoing signals from each node 20.
Patent JP-2002154767-A (JP)
Title: Stair lift with suspender
Inventor: ISHIKAWA YOSHIJI
IPC: A61G7/10
Filed: 2000-11-15
Abstract: PROBLEM TO BE SOLVED: To solve the problem in a conventional stair lift with a suspender that a lot of help is required for the work for getting a person-to-be-cared on/off a stair lift and the lifting is dangerous. SOLUTION: In this stair lift with a suspender, a lift member is formed to travel with a guide by a rail extended along a stair, and this lift member is provided with an object hoisting means. This hoisting means is formed of a vertically expandable support suspended from the lift member, a horizontal rod fitted to an upper part of the support horizontally direction expandable and turnable around a support shaft, a hanger fitted to a tip of the horizontal rod, and a suspender suspended from the hanger. The lift member is provided with a turn preventing means of a suspended object.
Patent JP-2002144565-A (JP)
Title: Ink-jet head and ink jet printer
Inventor: HAYASHI YOSHITAKA
IPC: B41J2/045
Filed: 2000-11-16
Abstract: PROBLEM TO BE SOLVED: To improve a controlling property, a power saving property and a productivity by a method wherein a driving section of an ink jet head is made from a magnetostrictive material so that an amount of deformation and a generating force of a diaphragm are enlarged. SOLUTION: This ink jet head is constituted of a substrate 1, the diaphragm 2, a nozzle 3, a magnetostrictive element 4, a magnetic field applying means, a heating means, etc. A magnetic field is applied to the magnetostrictive element 4 to contract the magnetostrictive element 4 so that the diaphragm 2 is deformed to reduce a volume of an ink chamber 5. When the magnetostrictive element 4 is heated by the heating means at a temperature equal to or higher than the Curie temperature, the magnetostrictive element 4 is restored to an original condition not having the deformation so that the diaphragm 2 is deformed to enlarge the volume of the ink chamber 5 and then ink is sucked into the ink chamber 5.  When the temperature of the magnetostrictive element 4 is lowered at a temperature equal to or lower than the Curie temperature, the volume of the ink chamber 5 is reduced and then an ink drop 7 is ejected therefrom.
Patent JP-2002147651-A (JP)
Title: Member for lining pipe conduit inner face
Inventor: IMAGAWA AKIRA
IPC: B29C63/32
Filed: 2000-11-16
Abstract: PROBLEM TO BE SOLVED: To provide a member for lining a pipe conduit inner face capable of providing a sufficient cross section of a channel, and ensuring the sufficient water-tightness as the clean water and sewerage piping. SOLUTION: In this member for lining wherein a tubular body is formed in a pipe conduit by continuously sending a long strip member having a slidable joint parts at its both edge parts by a tube machine, and spirally winding the strip member while joining the slidable joint parts, and the slidable joint parts are slid by the strip member sending force to enlarge the tubular body to line the pipe conduit, an inner pressure lip seal mechanism a generating the sealability by the inner pressure, and an outer pressure lip seal mechanism b generating the sealability by the external pressure are embedded in a clearance in the slidable joint parts communicated to inner and outer parts of the tubular body.
Patent JP-2002153454-A (JP)
Title: X-ray ct device
Inventor: BABA RIKA
IPC: A61B6/03
Filed: 2000-11-20
Abstract: PROBLEM TO BE SOLVED: To provide an X-ray CT device for easily obtaining the three- dimensional reconstructed images of high image quality at high speed for an object including a high absorbent. SOLUTION: The high absorbent is identified on measurement data, the measurement data of a high absorbent area are converted and the measurement data of the high absorbent area are smoothed. After they are converted and smoothened, reconstruction is executed.
Patent JP-2002156202-A (JP)
Title: Moisture detector
Inventor: SHIBA EIICHI
IPC: G01B7/06
Filed: 2000-11-20
Abstract: PROBLEM TO BE SOLVED: To provide a moisture detector which discriminates the thicknesses of a water film on a road surface. SOLUTION: The moisture detector is provided with an electrode which is buried in a road, a power supply which applies a voltage to the electrode, a signal detection part which detects a signal from the electrode, a signal processing part which processes an output from the detection part and cables which connect the electrode to the power supply, the electrode to the detection part and the detection part to the processing part. In the moisture detector, an AC voltage at a definite frequency is always applied to the electrode, and the thickness of the water film on the electrode is calculated on the basis of an interelectrode resistance value.
Patent JP-2002158480-A (JP)
Title: Electromagnetic wave shielding plate
Inventor: OKADA HIROSHI
IPC: H05K9/00
Filed: 2000-11-21
Abstract: PROBLEM TO BE SOLVED: To provide an electromagnetic wave shielding plate which can effectively shield electromagnetic waves, etc., when the plate is only interposed between an electromagnetic-wave or magnetic-line-of-force generating source and an object to be protected. SOLUTION: This electromagnetic wave shielding plate which is made of a magnetic wave shielding material and has annular structures formed by folding the end sections of the plate inward at both ends is provided between the electromagnetic-wave generating source and the object to be protected from electromagnetic waves. The electromagnetic wave shielded by the shielding plate advances the inside of the shielding plate. When the wave reaches the end sections of the plate, the wave is not discharged to the outside, but is conducted by the annular structures and again advances the inside of the shielding plate. Consequently, this shielding plate can effective shield the electromagnetic wave, because the wave shielded by the plate stays is the plate and is hardly discharged to the outside.
Patent JP-2002154796-A (JP)
Title: Lift device
Inventor: HAMADA SHIGERU
IPC: B66F9/08
Filed: 2000-11-22
Abstract: PROBLEM TO BE SOLVED: To provide a lift device having an extremely large liftable range of a load loading part in a low-ceiling location. SOLUTION: This lift device is provided with a first mast erected on a base; a second mast liftably supported to the first mast; the load loading part liftably supported to the second mast; and a hydraulic lifting device. The lifting device comprises a second mast side lifting device for lifting the load loading part with respect to the second mast, and a first mast side lifting device for lifting the second mast and the load loading part with respect to the first mast. After lifting the load loading part with respect to the second mast by the second mast side lifting device, the second mast and the load loading part are lifted with respect to the first mast by the first mast side lifting device, and after lowering the second mast and the load loading part with respect to the first mast by the first mast side lifting device, the load loading part is lowered with respect to the second mast by the second mast side lifting device.
Patent JP-2002165182-A (JP)
Title: Data-recording apparatus
Inventor: SUGAWARA TAKAYUKI
IPC: H04N19/85
Filed: 2000-11-27
Abstract: PROBLEM TO BE SOLVED: To provide a data-recording apparatus, capable of recording data, which is recorded at a variable transfer rate at one-time and coded at the transfer rate, to other medium at a fixed transfer rate. SOLUTION: In the apparatus, while recording and expanding the data coded at the variable transfer rate into a recording medium, enabling random access at the variable transfer rate, the recorded data is recorded simultaneously into a tape shaped recording medium, at the fixed transfer rate (a transfer rate higher than average recording rate of the variable transfer rate to the recording medium enabling random accesses).
Patent JP-2002164510-A (JP)
Title: Semiconductor integrated circuit and its manufacturing method
Inventor: INOUE MASAO
IPC: H01L27/04
Filed: 2000-11-28
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor integrated circuit wherein correction of a circuit is easily enabled when the semiconductor integrated circuit is corrected by using dummy cells, and its manufacturing method. SOLUTION: Input terminals 112 and output terminals 122 of a plurality of the dummy cells 102 which are previously arranged on the semiconductor integrated circuit 100 are wire-connected every input terminal and every output terminal via a metal wiring layer as the uppermost layer.
Patent JP-2002160298-A (JP)
Title: Connecting structure of tube lining material and method for connecting the same
Inventor: KAMIYAMA TAKAO
IPC: B29C65/02
Filed: 2000-11-28
Abstract: PROBLEM TO BE SOLVED: To provide a connecting structure of tube lining materials without generating a gap at connecting parts of the materials after curing the materials or without narrowing a sectional area of a duct by the connecting parts of the materials. SOLUTION: A method for connecting the connecting structure of the tube lining materials comprises the steps of engaging obliquely cut ends of two tube lining materials 1 and 11 to be connected, connecting the ends to be engaged by welding or adhering, and hermetically sealing the connecting parts by a plastic film 6. Since the obliquely cut ends of the materials 1 and 11 are engaged and a constitution of connecting the engaging parts is adopted, a fault of a gap generated at the connecting parts after curing the materials 1 and 11 or a narrowed sectional structure of the duct at the connecting parts of the materials 1 and 11 is eliminated.
Patent JP-2001295032-A (JP)
Title: Optical composite thin film deposition method and optical article using it
Inventor: MURAYAMA YOICHI
IPC: G02B1/11
Filed: 2000-11-29
Abstract: PROBLEM TO BE SOLVED: To provide a method for depositing an optical composite thin film which has desired refractive index and can facilitate film design, and an article using it. SOLUTION: Under the atmosphere into which organic gas containing fluorinated hydrocarbon is introduced, an inorganic optical thin film material is deposited on a substrate by reactive ion plating to deposit an optical composite thin film in which the inherent refractive index of inorganic optical thin film is changed.
Patent JP-2002174458-A (JP)
Title: Liquid-heating equipment
Inventor: OTSUKA TETSUJI
IPC: F24D3/00
Filed: 2000-12-06
Abstract: PROBLEM TO BE SOLVED: To provide liquid-heating equipment, in which liquid leakage from a heating tube of a heat exchanger can be correctly detected. SOLUTION: Liquid to be heated is passed through heating tubes 2a, 2b and pressurized. In this state, shutoff means SS for shutting off inflow and outflow of the liquid into/out of the heating tubes 2a, 2b are actuated (open/ close valves 11, 14 are closed), and pressures of the liquid in the tubes 2a, 2b are detected by a pressure detector 12. A leakage determination means 100 determines the leakage in the tubes 2a, 2b on the basis of condition of liquid- pressure drop.
Patent JP-2001220656-A (JP)
Title: Ion-zirconium-boron-silver soft magnetic material and method for deposition of thin film
Inventor: SO ZAISEI
IPC: C22C38/00
Filed: 2000-12-07
Abstract: PROBLEM TO BE SOLVED: To provide a soft magnetic material as a magnetic core material combining characteristics of high magnetic permeability, low loss and high saturation magnetization in the MHz region and a method for deposition of a soft magnetic thin film. SOLUTION: An Fe86.7Zr3.3B4Ag6 amorphous thin film, in which Ag is added to an Fe-Zr-B composition constituting a crystal phase, is deposited by the DC magnetron sputtering method using an Fe-Zr-B alloy target and a small piece of Ag. Then vacuum heat treatment is carried out in a uniaxial magnetic field at about 400 deg.C for 1 h, followed by cooking using a fan.
Patent JP-2002174108-A (JP)
Title: Exhaust pipe structure of work vehicle
Inventor: TANAKA TOKUJI
IPC: F01N1/06
Filed: 2000-12-07
Abstract: PROBLEM TO BE SOLVED: To provide an exhaust pipe structure of a work vehicle with excellent muffling effect. SOLUTION: The end part of an outlet pipe 25 of a muffler 23 is fitted in the inside of a tail pipe 20 fixed at an engine cover 10A. Its fit-in length L2 is set as follows by using an overall length L1 of a tail pipe 20, a sectional area S1 of a tail pipe 20, and a gap area S2 between the tail pipe 20 and the outlet pipe 25.
Patent JP-2002175329-A (JP)
Title: Information retrieval device, its method and computer- readable storage medium
Inventor: KOBAYASHI YUJI
IPC: G06F17/30
Filed: 2000-12-07
Abstract: PROBLEM TO BE SOLVED: To retrieve suitable concept similarity information in accordance with a retrieving request specified by an operator. SOLUTION: A retrieval request concept feature 1 for evaluating similarity between a retrieving word or a retrieving sentence inputted by an operator, in order to retrieve a required sentence from a database storing a plurality of sentences and character information constituting a plurality of sentences and expressed by a language and a retrieval request concept feature 2 being an evaluation scale different from that of the characteristic 1, in order to evaluate similarity between the retrieving word or the retrieving sentence and the character information are constructed (S3004, S3011); and the similarity is evaluated by using both the characteristics 1, 2 (S3008, S3014) and the required sentence, corresponding to the inputted retrieving word or retrieving sentence is retrieved from the data, based on the acquired similarity evaluation result (S3016).