baber/WOPTO huggingface dataset:
Patent JP-2003173697-A (JP)
Title: Semiconductor memory, write-in method for semiconductor memory, and rewriting method for semiconductor memory
Inventor: NOICHI SHIYUUHEI
IPC: G01R31/28
Filed: 2001-12-06
Abstract: <P>PROBLEM TO BE SOLVED: To solve such a problem that in a test of a semiconductor memory, as a chip itself does not store nature of the chip, in order to perform analysis of a defective product by a wafer test after assembling, a test corresponding to the wafer test must be performed again and a defective product must be selected.  <P>SOLUTION: After all regions of a memory cell region 6 are made to be an erasure state, current consumption of a memory cell array 5 and peripheral circuits 7 is measured, a normal/defective state of the measured value is discriminated by a current detecting circuit 8, and information of a current consumption normal/defective state discrimination result is written in the memory cell region 6 by a discrimination result write-in circuit 9. Thereby, defect classification can be performed by such very simple retest as reading out contents of the memory cell region 6.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003173834-A (JP)
Title: Connector socket
Inventor: SAKURADA HIDEMASA
IPC: H01R13/11
Filed: 2001-12-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a connector socket which can always gain suitable contact pressure between a plug member and a contact piece.  <P>SOLUTION: The connector socket is equipped with a connector housing 2 having a plug inserting part 5 to insert a plug member 4 into, and a contact piece 11 housed in the connector housing 2 and having contact spring pieces 13, 13 in elastic contact with the plug member 4. Each contact spring piece part 13 is equipped with a corrective projection 15 at a non-contact side edge part, made in contact with a surface 6a of the connector housing it faces.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003173571-A (JP)
Title: Optical information recording medium and method for manufacturing optical information recording medium
Inventor: HISADA KAZUYA
IPC: G11B7/257
Filed: 2001-12-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical information recording medium suppressing fluctuation in the tilt angles due to environmental changes and to provide a method for manufacturing the optical information recording medium.  <P>SOLUTION: A moisture absorption preventing film 151 is formed on the principal plane of a base material 131 to suppress the amount of moisture absorption. By forming the moisture absorption preventing film in an islands state or an annular state while optimizing the inner diameter, expansion of the substrate in the recording and reproducing side and of the base material due to moisture absorption can be balanced. Thus, fluctuation in the tilt angles by moisture absorption can be suppressed.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003174292-A (JP)
Title: Method and device for mounting part
Inventor: KANETAKA IWAO
IPC: H05K13/04
Filed: 2001-12-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide part mounting method and device where repetition of image signal transfer for each electronic part is not necessary and electronic part measuring time is shortened.  <P>SOLUTION: A moving head 31 provided with a plurality of suction nozzles 37 arranged in parallel and an image pickup device 71 are relatively moved in the parallel arrangement direction of the nozzles 37, the image of each part 73 sucked and held by the respective nozzle 37 is picked up, the sucked states of the parts 73 to the nozzles 37 are recognized by the photographed images, and the parts 73 are mounted on a circuit board while correcting the packaging directions and packaging positions of the parts 73 based on the recognized results. In this case, the image pickup device 71 moves relatively to the head 31 while maintaining an exposure available state, irradiates each of the parts 73 sucked and held by the nozzles 37 at prescribed timing when each part 73 passes the image pickup device and the images of these parts 73 are collected on one picture by the irradiation of light to obtain picked-up images.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003064451-A (JP)
Title: Composite gradient alloy plate, manufacturing method therefor and color cathode ray tube having shadow mask using the composite gradient alloy plate
Inventor: MATSUDATE NORIHARU
IPC: H01J29/07
Filed: 2001-12-10
Abstract: PROBLEM TO BE SOLVED: To provide a press mask having a large radius of curvature by self-cor recting thermal deformation such as a doming. SOLUTION: A plate material made of a composite gradient alloy plate consisting of >=3 layers 6A, 6B, 6C, in which nickel content in an iron-nickel alloy has a concentration gradient continuously changed from one surface to an other surface is provided. The internal stress in which a tensile stress and a compressive stress in the planer direction of the composite gradient alloy plate at boundary regions of the plurality of constituent layers are directed in the opposite direction from each other is made to remain. A color cathode ray tube uses the plate material in which the thermal expansion of the composite gradient alloy in an intermediate portion in the plate thickness direction is lower than that in the surface part as the shadow mask.
Patent JP-2003183749-A (JP)
Title: Vacuum circuit-breaker and contact material for this
Inventor: MINAMI YOSHIKO
IPC: B22F1/00
Filed: 2001-12-13
Abstract: <P>PROBLEM TO BE SOLVED: To solve a problem that emission of gaseous components and metal vapor from a contact material disables a vacuum circuit-breaker that breaks electric current by a high dielectric strength in a high vacuum atmosphere, by providing a contact material which inhibits the emission of gaseous components and metal vapor and reduces occurrence of reignition of arc.  <P>SOLUTION: The contact material for a vacuum circuit-breaker comprises a copper phase as a highly conductive component and a chromium phase as an arc-resistant component. The material contains 50-200 ppm carbon which is dispersed within the material structure at a state wherein parts showing sensitivity of ≥30 counts within a measured area of 200×200 μm in EPMA (electron probe microanalyzer) mapping accounts for <60% in terms of the area ratio. Carbon is distributed as copper carbide or as elemental carbon within the copper phase. The chromium content is 15-70 wt.%.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003184740-A (JP)
Title: Piston for swash plate type compressor
Inventor: SHIMIZU SHIGEMI
IPC: F04B27/08
Filed: 2001-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a piston for a swash plate type compressor reducing the weight of its tail part compared with that of a conventional one.  <P>SOLUTION: This piston for the swash plate type compressor is provided with a cylindrical part inserted in a cylinder bore and the tail part extending from one end of the cylindrical part in parallel to the central axis of the cylindrical part. The tail part is provided with a pair of shoe spherical surface retaining parts, a connecting part connecting the pair of shoe spherical surface retaining parts with each other, and a rotation preventing part orthogonally extending from the shoe spherical surface retaining part in the side separated from the cylindrical part to the central axis of the cylindrical part. The cross sectional shape of the shoe spherical surface retaining part in the side close to the cylinder part orthogonally crossing with the cylindrical part central axis is formed smaller than the cross sectional shape of the shoe spherical surface retaining part in the side separating from the cylindrical part orthogonally crossing with the cylindrical part central axis.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003184257-A (JP)
Title: Bathroom decorating method
Inventor: TAKASE YASUYUKI
IPC: E04F13/07
Filed: 2001-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a bathroom decorating method which can exhibit colors, patterns, landscapes, etc., conforming to the likings of clients, by producing patterns on a surface of a bathroom readily and at a low cost.  <P>SOLUTION: According to the bathroom decorating method, a wrapping film 10 formed of a laminate body consisting of a decorative layer 3, an adhesive layer 4, and a release paper 5 is reeled as a roll, which is carried in the bathroom, and the release paper 5 is progressively peeled off while the reeled wrapping film is unreeled, followed by pressing an exposed portion of the adhesive layer 4 to a surface for sticking in the bathroom, to thereby stick the wrapping film 10 to the bathroom. According to the method, the wrapping film 10 can be exchanged according to the desire of the client or an original decorative layer 3 by using an image conforming to the desire of the client may be newly prepared.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003181660-A (JP)
Title: Laser beam machine
Inventor: SAKAMOTO ATSUSHI
IPC: B23K26/00
Filed: 2001-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a laser beam machine which has excellent machining accuracy and speed and, at the same time, can realize easy maintenance and management.  <P>SOLUTION: A D/A converter 21 and a switching device 22 are connected between a laser beam machine controller 4 and an adder 31 in a servo mechanism (an IPD control system). A common terminal (c) of the switching device 22 is connected to the output side of the D/A converter 21. One of the terminals, terminal (a), is connected directly to the adder 31, and the other terminal, terminal (b), is connected to the adder 31 through a bandwidth limit filter 23 which limits frequency around characteristic frequency regarding flexure in an axial direction of a rotor for supporting mirror 2. Further, vibration measuring means is provided for the mirror 2. The common terminal (c) of the switching device 22 is usually in connection with the terminal (a). Upon the observation of abnormal vibration of the mirror 2, switching in the switching device 22 is carried out to connect the common terminal (c) to the terminal (b).  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003182181-A (JP)
Title: Recorder
Inventor: MIYAHARA KIYOBUMI
IPC: B41J19/20
Filed: 2001-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To realize a small recorder operable with low power consumption.  <P>SOLUTION: The recorder for recording by moving a carriage, which is supported on a spindle and has a recording section, in the axial direction of the spindle comprises a drive motor mounted on the carriage, a pinion provided on the shaft of the drive motor, and a rack for receiving the driving force of the pinion, wherein the carriage is moved by transmitting the power of the drive motor to the rack.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003186351-A (JP)
Title: Image forming apparatus, image forming method and controlling method for oscillating wave motor
Inventor: FUKUSAKA TETSUO
IPC: G03G15/16
Filed: 2001-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To overcome inconvenience of an erroneous stop, wow and flutter, etc., generated when an image is formed by using an oscillating wave motor.  <P>SOLUTION: Since a transfer belt and a photoconductor drum are driven at a fixed frequency by open loop control when the transfer belt abuts on the photoconductor drum, a control margin is generated against an accidental increase of a load when the transfer belt abuts on the photoconductor drum, and the erroneous stop by the heavy load is prevented. The image is formed by a closed loop control system effective on wow and flutter of the oscillating wave motor when the image is formed after the transfer belt abuts on the photoconductor drum.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002332277-A (JP)
Title: Method for manufacturing optically active 2- methylpiperazine
Inventor: IKEDA HIDETSUGU
IPC: C07D241/04
Filed: 2001-12-25
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing an optically active 2- methylpiperazine capable of separating both the enantiomers of S-isomer and R-isomer of 2-methylpiperazine by using a single optical resolution agent, and further to provide a method for manufacturing an optically active 2- methylpiperazine capable of manufacturing the optically active 2- methylpiperazine at a higher yield than a conventional method and recovering the used optical resolution agent efficiently. SOLUTION: A method for manufacturing an optically active (S)-(+)- or (R)-(-)-2-methylpiperazine comprises the following steps: one equivalent of racemic 2-methylpiperazine and 2-3 equivalents of optically active 2- phenoxypropionic acid are made to react in a reaction solvent; an optically active 2-methylpiperazine phenoxypropionate of slightly soluble diastereomer salt formed above is separated from the reaction mixture; and the enantiomer of 2-methylpiperazine which is opposite to the enantiomer of 2-methylpiperazine constituting the slightly soluble diastereomer salt is separated from the mother liquid of the above-mentioned separation step.
Patent JP-2003198063-A (JP)
Title: Semiconductor laser element and its manufacturing method
Inventor: FUKUNAGA TOSHIAKI
IPC: H01S5/22
Filed: 2001-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To obtain high reliability from low output to high output in a semiconductor laser element having an ARROW structure.  <P>SOLUTION: A current injection area 20 having width of dc and extending in the shape of a stripe in resonator direction, a p-In<SB>x8</SB>Ga<SB>1-x8</SB>P first etching blocking layer 6 and a n-GaAs current constrictive layer 7 having openings at areas with the width of dc/2, respectively separated for db1 on both sides of the current injection area 20 are provided on a lamination which laminates a n or i-GaAs lower optical guiding layer 3, a In<SB>x3</SB>Ga<SB>1-x3</SB>As<SB>1-y3</SB>P<SB>y3</SB>compressive strain quantum well active layer 4 and a p or i-GaAs upper light guide layer 5 on a n-Al<SB>z1</SB>Ga<SB>1-z1</SB>As lower clad layer 2. A p-In<SB>x9</SB>Ga<SB>1-x9</SB>P second etching blocking layer 8 and a n-Al<SB>z1</SB>Ga<SB>1-z1</SB>As current constrictive layer 9 are provided on the upper light guide layer 5 exposing at openings except on the current constrictive layer 7 and at the current injection area. A p-Al<SB>z1</SB>Ga<SB>1-z1</SB>As upper clad layer 10 and a p-GaAs contact layer 11 are provided on the upper light guide layer 5 exposing at the openings on the current constrictive layer 9 and at the current injection area 20.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002237002-A (JP)
Title: Information recording medium, and method for recording and reading information using the same
Inventor: TERAO MOTOYASU
IPC: G11B5/02
Filed: 2001-12-25
Abstract: PROBLEM TO BE SOLVED: To realize an information recording medium capable of performing the high-density recording of a pitch smaller than that of a wavelength of light and to provide a method for recording and reading information. SOLUTION: In the information recording medium on which information is recorded by energy beams or magnetic fields such as a laser beam and an electron ray, and the method for recording and reading the information, a bubble which can move in the direction of a recording track without irradiation of at least a kind of energy beam such as an air bubble, a liquid bubble and a magnetic bubble, is created. The irradiation or the application of the energy beam or the magnetic field to a recording medium in which the size of a bubble becomes large by the irradiation of an energy beam or a magnetic field for reading, is performed while moving the position of the energy beam or the magnetic field on the recording medium.  Recording is performed by producing or expanding bubbles and the bubbles are stored by reducing the size of the bubbles after the irradiation or application of the energy beam or the magnetic field. The presence and the position of the bubble are detected and read by expanding the bubble in the place where the irradiation or the application of the energy beam or the magnetic field for reading is performed.
Patent JP-2003199250-A (JP)
Title: Power system monitor/control apparatus and data maintenance thereof
Inventor: NAKAYAMA MASAKI
IPC: H02J3/00
Filed: 2001-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To directly change an equipment data base object of a power system.  <P>SOLUTION: A power system monitor/control apparatus, monitoring/ controlling a power system, has an equipment object changing means 102 which adds a change to an equipment data base object 107, an equipment changing content transforming means 103 which transforms the changing contents of the object into a text form, and a man-machine means 101 which enables the changing operation.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003192302-A (JP)
Title: Hydrogen production apparatus
Inventor: HARUNA KAZUO
IPC: C01B3/56
Filed: 2001-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an apparatus capable of efficiently producing a highly pure hydrogen with ≥99% purity where a steam reforming reactor and a hydrogen separating/purifying device are integrated.  <P>SOLUTION: This hydrogen production apparatus is characterized in that a steam reforming reactor and a hydrogen separating/purifying device are integrated where a hydrogen-permeating membrane cylinder comprising a palladium alloy works as a hydrogen separating/purifying means and a steam reforming catalyst packed inside the cylinder works as a steam reforming means. This method for producing hydrogen comprises introducing a mixed vapor of water and methanol or dimethylether into the steam reforming catalyst packed inside the hydrogen-permeating membrane cylinder comprising the palladium alloy under pressure, and permeating and concentrating the produced hydrogen to outside the hydrogen-permeating membrane.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003195858-A (JP)
Title: Electronic percussion instrument
Inventor: UEJIMA YUJIRO
IPC: G10H1/18
Filed: 2001-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electronic percussion instrument in which a metronome capable of setting a desired tempo and whose operability is improved is installed.  <P>SOLUTION: There is provided a tap switch for changing in common a normal mode to a tempo setting mode, changing a tempo mode setting mode wherein a tempo is set with intervals of a percussion to a percussion part to the normal mode, and changing a tempo setting mode wherein a tempo is set with time intervals of depression to the normal mode.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003192227-A (JP)
Title: Paper folding machine
Inventor: INOUE MOTOHIKO
IPC: B65H45/16
Filed: 2001-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a paper folding machine capable of easily and securely preventing occurrence of wrinkle.  <P>SOLUTION: A driven double duty roller 11 that can be cut in connection with a drive source, that is independent of drive rotation driven by the drive source and the drive source and that can select both rotations driven by the guided paper is provided with the paper folding machine 10. The driven double duty roller 11 has a divided structure including a plurality of divided rollers 12 arranged axially adjoining and in parallel with each other. The divided rollers 12 can be driven and rotated being driven by the guided paper independently of each other.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003079983-A (JP)
Title: Presser foot of sewing machine
Inventor: HAYASHIDA TAKAYUKI
IPC: D05B29/00
Filed: 2001-11-20
Abstract: PROBLEM TO BE SOLVED: To reliably, smoothly and uniformly feed fabric without necessitating the trouble of applying oil when sewing a less smooth fabric and easily carrying out a curve stitch and a fancy stitch. SOLUTION: A small presser foot 9 elastically pressing a fabric W on the downstream side of a sewing direction Y of a needle location hole 5a against moveable feed dogs 8L and 8R on the top face side of a needle plate 7 is mounted, a pair of right and left rotors 12L and 12R elastically pressing the fabric W against the moveable feed dogs 8L and 8R by the peripheral lower ends 12l and 12r are provided, and the straight line distance along the sewing direction Y between the peripheral lower ends 12l and 12r of the pair of right and left rotors 12L and 12R and the pressing portion of the small presser foot 9 is reduced as much as possible to the extent that there is no interference with operation.
Patent JP-2003194693-A (JP)
Title: Scanning probe microscope
Inventor: KAMI YOSHIHIRO
IPC: G01B21/30
Filed: 2001-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a scanning probe microscope capable of scanning more stably at a higher speed even in the case of a lever scan type.  <P>SOLUTION: This scanning probe microscope 100 has a scanning mechanism 120 for scanning a cantilever 110. The scanning mechanism 120 has a z-scanning driving part 130, an x-scanning driving part 150 and a y-scanning driving part 170. The z-scanning driving part 130 has a pair of z-scanning actuators 132, 134 displaceable along one axis. The actuators are supported by a first support member 136 and arranged plane-symmetrically across the first support member 136. The z-scanning driving part 130 also has a cantilever holder 142 fixed on the free end of the z-scanning actuator 132 on the lower side. The z-scanning driving part 130 also has a deadweight 144 fixed on the free end of the z- scanning actuator 134 on the upper side.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002355440-A (JP)
Title: Display control method
Inventor: NAKA YUJI
IPC: A63F13/10
Filed: 2001-12-17
Abstract: PROBLEM TO BE SOLVED: To provide a display control method controlling the appearance of a game character for a video game accompanying the movement of the character on a path indicated on a display screen. SOLUTION: Two or more kinds of the patterns of moving video images for representing the appearances of the character at various positions on a banked path are stored. The position on the banked path of the character is tracked and the pattern of the moving video image representing the image of the character at the various positions on the path is retrieved from a storage device. By using the retrieved pattern, the character is displayed so that the character presents the various appearances at the various positions on the banked path.
Patent JP-2003190639-A (JP)
Title: System for increasing diversity of game, of facilitating operation, or expanding game for dropping type game
Inventor: TSUKAMOTO TAKASHI
IPC: A63F13/55
Filed: 2001-12-21
Abstract: <P>PROBLEM TO BE SOLVED: To diversify the selectivity or the game rules for stacking units for a dropping type game, to perform the game by a simple operation, and to expand a conventional game.  <P>SOLUTION: A distributor 1 who distributes a unit 2 to a receiving tray 13 can distributes the unit 2 to the receiving tray 13 when there is no unit in the receiving tray 13. When the units 2 to be distributed are used up, the units 2 are taken from a buffer 3, and when the units 2 are less than ten, the units 2 are randomly formed so that the quantity may become ten. The units and a receiver 9 are identified in colors, and a unit 14 in the receiving tray 13, can be stacked when the receiver 9 has the same color as the unit 14, but when the colors are different, the receiver 9 disappears for a specified period of time 10, and the distribution to the receiving tray 13 during disappearance 10 cannot be performed. A unit 11 disappears when five of them are stacked 6. The unit 14 in the receiving tray 13 can be moved to the buffer 3 as well. The operations may be simply stacking 11 the unit 14 to which receiving tray 13, or placing the unit 14 into the buffer 3. A conventional game can be expanded as well by adding the distributor 1 or the buffer 3 into this system.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003501887-A (JP)
Title: カオス信号を使用したマルチプル・アクセス通信システムおよびカオス信号を発生・抽出する方法
IPC: H04L27/00
Filed: 1999-05-27
Abstract: (57)【要約】
多重アクセス通信システムが提供され、それはカオス信号を使用する。各送信機はカオス・システムを有し、それは、その位相空間中に少なくとも１つの予測不能なのアトラクタを有し、各受信機はカオス・システムを有し、それは送信機中のカオス・システムに対応し、それは送信機からの信号を受信する。ユーザの各ペアは予測不能なアトラクタから周期的な不安定軌道のセットが割当てられ、それは、ユーザのペアがシグナリングのためにそれを使用できる。送信機側で、マルチプレクサは複数のユーザからデータを受信する。これらのデータは時間多重され、非同期データ・ストリームを生成する。データ・ストリームは、その後、各送信機および受信機ペアに対する軌道のセットに従って、一連のカオス信号にマッピングされる。