baber/WOPTO huggingface dataset:
Patent JP-2002006153-A (JP)
Title: Optical wavelength multiplexing-branching filter
Inventor: ISHIKAWA MICHIYA
IPC: G02B6/293
Filed: 2000-06-21
Abstract: PROBLEM TO BE SOLVED: To provide an optical wavelength multiplexing-branching filter which can reduce the distortion of waveform and the curvature in the vertical direction of a channel waveguide for output, and stably multiplex and branch light signals. SOLUTION: In the optical wavelength multiplexing-branching filter provided with one or more channel waveguide(s) 2 for input, one or more channel waveguide(s) 7 for output and an array-waveguide diffraction grating 4 comprising the channel waveguides, which are set in order from the shortest to the longest in length with a prescribed different length; an input-side slab waveguide 3 which is placed on the input-side of said array-waveguide diffraction grating 4, with its one end being connected with one end of the array-waveguide diffraction grating and with the other end being connected with one end of the channel waveguide for input;  and an optical circuit 9 comprising an output-side waveguide slab 6 which is placed on the output-side of the array-waveguide diffraction grating, with its one end being connected with one end of the output-side of the array-waveguide diffraction grating and with the other end being connected with one end of the channel waveguide for output on the substrate 1, an independent core pattern 10 is formed in a part except the part, where the optical circuit 9 is formed, at an adequate interval from the optical circuit 9.
Patent JP-2002005085-A (JP)
Title: Axial-flow impeller
Inventor: YAMAMOTO MASAFUMI
IPC: F04D29/34
Filed: 2000-06-21
Abstract: PROBLEM TO BE SOLVED: To provide a detent by means of a washer even in the case that a large turning torque is applied by accepting turning torque on the plane. SOLUTION: A synthetic resin axial-flow impeller which is composed not only of a hub 1 with which a rotating shaft 4 is pivoted but also of a plurality of vanes 2, 2... arranged on the outside periphery of the hub 1, characterized in that a washer 6 fixed into the rotating shaft 4 serves as a detent for the hub 1 by being telescoped into a recess 5 formed by the hub 1. The respective contact surfaces 10 and 11 extend along the center line L which advances from the center of revolution O in the radial direction, and are formed on the recess 5 and the washer 6. Thus the surfaces 10 and 11 which come into contact with the recess 5 and the washer 6 are arranged to meet face-to-face each other during actuation.
Patent JP-2002008987-A (JP)
Title: Semiconductor manufacturing apparatus
Inventor: YASUHARA MASANORI
IPC: H01L21/205
Filed: 2000-06-21
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor manufacturing apparatus which eliminates natural oxide film growth difference in wafer surfaces, to make it less likely for natural oxide films to form, when a plurality of wafers are carried in a reaction tube. SOLUTION: The semiconductor manufacturing apparatus body 100 has a movable outer tube 21, separate from a reaction tube 11, and a fork 15 is disposed in the tube 21 and connected via a support 23 to an drive shaft 24 outside the outer tube 21. The fork 15 guides the boat 14 for mounting a plurality of wafers WF into/out of an opening 12 of the tube 11. A nozzle mechanism 25 is provided for sending inert gas, at least into the fork 15 and blowing it out near the mount of the wafers WF, and an N2 purge gas feed hole 26 is provided for feeding the inert gas into the outer tube 21, thereby uniformly feeding N2 gas between the wafers, WF, when a shutter 13 is opened for connection.
Patent JP-2002008536-A (JP)
Title: Manufacturing method of discharge panel and plasma display panel
Inventor: ONO YOSHIHIRO
IPC: H01J11/24
Filed: 2000-06-22
Abstract: PROBLEM TO BE SOLVED: To improve exhaust speed inside a PDP panel, and homogenize dispersion of impurity at an inner surface of the panel. SOLUTION: A front side substrate 1 with a plurality of electrodes X on it, and a back side substrate 2 with electrodes Y on the surface, are arranged so as to face with each other, and a discharge space 4 for discharge is formed by integrating substrates 1, 2, and discharge gas is introduced in the discharge space in the middle of exhaustion, and a discharge is generated in a panel by irradiating radio wave from a high frequency power source device 15 through the first external electrode 5 and the second external electrode 6, afterwards, the discharge space is exhausted and discharge gas is introduced again, and the discharge space is sealed.
Patent JP-2002008069-A (JP)
Title: Entrance/exit gate device
Inventor: TAKATANI MATSUHIKO
IPC: E05F15/611
Filed: 2000-06-23
Abstract: PROBLEM TO BE SOLVED: To prevent a closing door from hitting the face of a child passing through a gate after the parent passes through a passage. SOLUTION: The entrance/exit gate device provided with a driving device 4 for turning a flapper door for opening and closing an entrance/exit passage in the opening and closing direction on the basis of the predetermined signal, is provided with passenger discriminating means S1-S12 for discriminating whether a passenger approaching the entrance/exit passage is an adult or a child, a speed setting means 13 for separately setting the target speed of the driving device 4 in the opening direction and the closing direction corresponding to the turning speed of the door in the opening direction and the closing direction and for setting the target speed in the closing direction at plural stages, and door opening and closing operation control means 15 and 19 for controlling the driving device 4 on the basis of the target speed in the opening direction set by the speed setting means 13,  on the basis of the plural target speed in the closing direction set by the means 13, and on the basis of the result of discrimination by the passenger discriminating means.
Patent JP-2002001782-A (JP)
Title: In-line screw type injection molding apparatus and injection molding method
Inventor: KAYANO YOSHIHIRO
IPC: B29C45/52
Filed: 2000-06-23
Abstract: PROBLEM TO BE SOLVED: To provide an injection molding apparatus which can prevent a backflow phenomenon surely in spite of a low injection velocity by modifying a mold assembly somewhat without using a special device, etc. SOLUTION: The in-line screw type injection molding apparatus bas (A) an injection molding screw 10, (B) a screw 20 comprising a main body part 27 fitted with a head part 21 having a contraction part 24 and a seat part 29 facing the contraction part 24, (C) a backflow preventing ring which is fitted the contraction part 24 of the screw 20, can move in the advance direction of the screw 20, and can engage with the seat part 29, (D) a mold assembly 50 having a cavity 56, a gate part 55, and molten resin channels 53 and 54, and (E) a channel cross section changing means 40, 41, and 42 which can change the cross sections of parts of the channels 53 and 54.
Patent JP-2002002908-A (JP)
Title: Shelf facility
Inventor: SUGAWARA TOMOKATSU
IPC: B66F9/07
Filed: 2000-06-26
Abstract: PROBLEM TO BE SOLVED: To provide shelf facility requiring no high stop precision of a cargo conveyance means for a cargo storage means when a cargo is a vessel like a barrel. SOLUTION: A pair of cargo support bodies 51, 52 which have a plurality of cargo storage parts storing cargoes and a stacker crane C conveying the vessel between the cargo storage parts and a predetermined carrying-in outlet and support the vessel (cargo) on an elevating base 3 of the stacker crane C to transfer it are provided, and these cargo support bodies 51, 52 can move freely and independently in the right and left directions (direction of running of the stacker crane C), respectively. According to this configuration, even if the stacker crane C (elevating base 3) stops by deviating from the center of the cargo storage part, a pair of cargo support bodies 51, 52 can grip the vessel securely without letting it fall down.
Patent JP-2002000537-A (JP)
Title: Washing system and nozzle for tableware or the like
Inventor: TANIGUCHI TOSHIO
IPC: B08B3/02
Filed: 2000-06-26
Abstract: PROBLEM TO BE SOLVED: To always perform an effective washing by performing a uniform jetting of washing water extending to a wide range even when the pressure of the washing water or the like which is press-fed to a nozzle is changed, and therefore, freely perform a control such as increasing the washing force by increasing the press-feeding pressure of the washing water in response to a degree of contamination of tableware to be washed. SOLUTION: This washing system for tableware or the like is equipped with a washing water horn, the washing water-jetting nozzle, and a washing water feeding means. In this case, the washing water horn is provided near a washing station on which tableware or the like to be washed is mounted. The washing water-jetting nozzle is provided in such a manner as to extend substantially along the central axis of the washing water horn. The washing water feeding means feeds the washing water to the washing water-jetting nozzle. The washing water-jetting nozzle is equipped with a flexible tube having a specified length and an obstructing reaction-imparting means. In this case, one end of the flexible tube is connected to the washing water feeding means, and the other end of the flexible tube is formed into a washing water- jetting port.  The obstructing reaction-imparting means provides an obstructing reaction- imparting section which performs an obstructing reaction to the stream of the washing water along the inner peripheral wall of the flexible tube.
Patent JP-2002005619-A (JP)
Title: Method and device for measuring interference, and object measured thereby
Inventor: NISHIOKA KIMIHIKO
IPC: G01B11/00
Filed: 2000-06-21
Abstract: PROBLEM TO BE SOLVED: To provide a method and device for measuring distance between surfaces with high accuracy, which measures thickness and distance between surfaces of a lens, in other words, a surface position through nondestructive and noncontact manner. SOLUTION: Related to an interferometer which uses a light source 1 of short coherence, a mirror-driving device 7 is provided where, with an object 530 which is to be inspected provided on an optical path of the interferometer, two optical paths (l) and (m) are provided and the length of optical path is changed, based on the positional relationship between a mirror 3 and a beam splitter 542. Two beams, passing through respective optical paths, are made to interfere each other to enter a photoelectric detector 8 for acquiring surface position, eccentricity, surface shape or physical characteristics of the object.
Patent JP-2002014292-A (JP)
Title: Wide field image pickup device and wide field image pickup /display device
Inventor: YAMAGAMI TAKATOSHI
IPC: H04N7/18
Filed: 2000-06-28
Abstract: PROBLEM TO BE SOLVED: To reduce the diameter of a tube to be inspected, and also, to confirm the wall surface of the tube in a vertical direction. SOLUTION: The device is provided with a master mirror 102 having a through-hole 102b formed in the center, and whose nearly cone-shaped tapered angle to the center line is 20 deg. to 70 deg., a sub mirror 104 which is placed opposite to the master mirror 102 at a distance equal to or exceeding the radius of the master mirror 102, and a transparent cover 103, and light which is vertical to a straight line linking between the master mirror 102 and the sub mirror 104 is made incident on the master mirror 102 through the transparent cover 103 at a prescribed angle, and the light is reflected toward the sub mirror 104, and then, the light reflected by the sub mirror 104 is made incident on a CCD camera main body 106, and image information based on the incident light is outputted as a video signal.
Patent JP-2002088684-A (JP)
Title: Method for strengthening paper
Inventor: NAKAMURA TOMONORI
IPC: D21H17/42
Filed: 2000-06-28
Abstract: PROBLEM TO BE SOLVED: To provide a paper strengthening agent having excellent paper strengthening effect, easy in handling and having a physical property of low apparent viscosity. SOLUTION: The paper strengthening agent is a polymer which is manufactured by polymerizing a monomer (or mixture) essentially containing an acrylic monomer having a primary amino group in the presence of a polyacrylamide polymer.
Patent JP-2001035999-A (JP)
Title: Chip size stack package and manufacture therefor
Inventor: BOKU SOUKU
IPC: H01L23/495
Filed: 2000-06-28
Abstract: PROBLEM TO BE SOLVED: To realize a chip size stack package capable of eliminating a signal interference and shortening a signal transmitting path without increasing the total thickness of a chip, and a manufacturing method therefor. SOLUTION: Two semiconductor chips 40, 41 are arranged with their bonding- pad forming surfaces opposed to each other. An insulating layer is applied to the bonding-pad forming surface of each of the semiconductor chips 40, 41 and a via hole to expose the bonding pad is formed. A metal trace 30 is formed in the via hole and the respective insulating layers 20 are bonded to each other and the metal trace 30 is also bonded thereto at the same time. A part of a metal wire is connected to the portion of the metal trace 30 and both sides of the semiconductor chips 40, 41 are molded with a sealing agent. By using a pattern tape, the insulating layers 20 are bonded to each other and one end of the pattern tape is bonded to the metal trace 30 and the other end can be exposed from the sealing agent.  In this case, the gap between the laminated semiconductor chips is also molded with the sealing agent and, instead of the sealing agent, an anisotropic conductive adhesive may be disposed in the gap. Preferably, a heat sink is attached to the surface of the upper semiconductor chip 40 in the three kinds of structures.
Patent JP-2002010810-A (JP)
Title: Adjusting piece for personal ornament
Inventor: SHIBAMIYA YOSHIFUMI
IPC: A44C5/10
Filed: 2000-06-30
Abstract: PROBLEM TO BE SOLVED: To provide an adjusting piece for a personal ornament around the arm easily connectable and detachable without using a tool. SOLUTION: This adjusting piece for constituting the personal ornament is provided with a connecting pin 2 fastened into a connecting pinhole 8 of an adjacent piece 5 on one side so as to be connected to the piece 5; a connecting pinhole 3 for fastening a connecting pin 7 of an adjacent piece 6 on the other side so as to be connected to the piece 6, and a plate-like holding spring 4 internally contacting the connecting pinhole 3 to detachably hold the connecting pin 7 of the adjacent piece 6 in the connecting pinhole 3.
Patent JP-2001336345-A (JP)
Title: Sliding rotational door device
Inventor: GOTO TADASHI
IPC: E05D15/30
Filed: 2000-05-29
Abstract: PROBLEM TO BE SOLVED: To provide a sliding rotational door device capable of holding a closing state without being shaky by only locking one end of a door panel in the sliding rotational door device. SOLUTION: In the sliding rotational door device having an upper rail on the upper part of a frontage, hanging the door panel on a runner for moving the upper rail, mounting a U-shaped frame body on one side of the frontage in a rotatable manner, at the same time, connecting both up and down front ends of the frame body to both up and down ends through a shaft, controlling handles provided to the frame body of the door panel and the opposite end to move the door panel while rotating it and capable of opening and closing the frontage, the end of the door panel corresponding to the rotary shaft of the frame body is used as the tapered face, the face corresponding to the end of the door panel of the rotary shaft is used as the tapered face and, at the same time,  the door panel pivoted on the up and down arm front ends of the frame body is so constituted that a relief occurs by operation of the tapered face of the door panel and the tapered face of the rotary shaft.
Patent JP-2001051309-A (JP)
Title: Limitation of oscillation generated by raman amplification by using different fibers
Inventor: BRANDON ERIC
IPC: H01S3/30
Filed: 2000-07-04
Abstract: PROBLEM TO BE SOLVED: To provide a simple and effective solution for the limitation of Rayleigh scattering by Raman amplification and the limitation of a transmission distance by the signal to noise ratio, more particularly, the presence of the amplified spontaneous emission(ASE) generated within an amplifier. SOLUTION: A transmission system by optical fibers having line fibers and a pumping means 5 for dispersion amplification by induced Raman scattering within the line fibers, and in which the line fibers have plural blocks 7, 8 and 9 and the kinds of the fibers of the blocks and the block lengths are so selected that the Raman gains attain the Rayleigh scattering coefficients or below at all points of the system, is provided. Consequently, the restriction which generates when the Raman gains are larger than a Rayleigh scattering coefficient can be eliminated.
Patent JP-2002027622-A (JP)
Title: Three-phase bus
Inventor: FUKUNAGA MASAYUKI
IPC: H02G5/06
Filed: 2000-07-04
Abstract: PROBLEM TO BE SOLVED: To provide a three-phase bus which enables dimensional reduction, while insulation distances between an earth vessel and respective phase conductors and mutual insulation distances between the respective phase conductors are fully ensured and reliability is maintained. SOLUTION: This three-phase bus has cylindrical vessels 1 is filled with an insulating gas and conductors 3a, 3b, 3c, 4a, 4b and 4c for three phases laid in the axial directions of the vessels 1. The centers of the three-phase conductors are positioned at apexes of isosceles triangles directed sideways with apex angle being not smaller than 60 deg. and not larger than 90 deg. and vertical bottom sides.
Patent JP-2001049348-A (JP)
Title: Production of strip composed of iron-carbon-manganese alloy and strip produced thereby
Inventor: GUELTON NICOLAS
IPC: C21D9/46
Filed: 2000-07-07
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a strip composed of high manganese steel more swiftly and inexpensively than the case of the conventional method. SOLUTION: This is a method for producing a strip composed of an iron- carbon-manganese alloy, a thin strip of 1.5 to 10 mm thickness is directly cast from molten metal in a casting machine, the compsn. of the molten metal is composed of, by weight, 0.001 to 1.6% C, 6 to 30% Mn, <=10% Ni, 16 to 30% (Mn+Ni), <=2.5% Si, <=6% Al, <=10% Cr, <=0.2% (P+Sn+Sb+As), <=0.5% (S+Se+Te), <=3% (V+Ti+Nb+B+Zr+rare earths), <=0.5% (Mo+W), <=0.3% N and <=5% Cu, and the balance iron with impurities caused from refining, the strip is subjected to cold rolling at a working degree of 10 to 90% in one or >= two stages, and the strip is subjected to recrystallization annealing.
Patent JP-2002021911-A (JP)
Title: Hydraulic shock absorber for knee joint
Inventor: KAWAHARA FUMIO
IPC: A61F2/64
Filed: 2000-07-07
Abstract: PROBLEM TO BE SOLVED: To compactly and always surely generate damping force depending on a bending angle (a position) of a knee in a hydraulic shock absorber for a knee joint. SOLUTION: This hydraulic shock absorber 10 for the knee joint has orifice passages 60 (61 to 63) formed in a specific range in the shaft direction of a side wall of an inner cylinder 22, communicating a piston side oil chamber 33B with a reservoir chamber 41 and successively blocked up by a side wall of a piston 32 at compressing time of a piston rod 31.
Patent JP-2002027022-A (JP)
Title: Data communication system and recording medium recording data communication program
Inventor: TONO AKIRA
IPC: H04L29/08
Filed: 2000-07-11
Abstract: PROBLEM TO BE SOLVED: To form a data communication system capable of easily correcting or adding a response (call origination) telegraphic message without requiring a database function. SOLUTION: In the data communication system for performing data communication between first and second computers through a communication line, a telegraphic message to be transmitted from the second computer to the first computer contains first and second identifiers for identifying the second computer.  In a storage part attached to the first computer, on the other hand, a file having a name containing first and second identifiers for identifying the second computer is formed, and when transmitting the telegraphic message from the first computer to the second computer while previously and successively storing one or plural telegraphic messages in this file in the case of transmitting data from the first computer to the second computer, the telegraphic message stored in the file having the name containing the first and second identifiers for identifying that second computer is successively utilized.
Patent JP-2002019312-A (JP)
Title: Aluminum alloy plate for lithographic printing plate
Inventor: YAMAGUCHI KEITARO
IPC: B41N1/08
Filed: 2000-07-11
Abstract: PROBLEM TO BE SOLVED: To provide an aluminum alloy plate for a lithographic printing plate for obtaining a good rough surface by electrolytic etching. SOLUTION: The aluminum alloy plate for the lithographic printing plate comprises an Fe of 0.1 to 0.5%, an Si of 0.01 to 0.15% and a Cu of 5 to 180 ppm. The alloy plate also comprises a surface layer made of a metastable state dispersed layer in which AlFe intermetallic compound particles of a metastable state are dispersed so that the dispersed layer disperses the intermetallic compound particles having a particle size of 0.1 μm or more in a surface direction in a density of 5,000 pieces/mm2 or more in such a manner that the particles of a size of 0.1 to 1.0 μm occupy 20% or more of the compound particles. Thus, the compound particles of the suitable size and density including the metastable state are effectively operated as a starting point of the pit, an unetched part by electrolytic etching is a little and the rough surface in which the pits are uniformly formed is obtained.
Patent JP-2002034183-A (JP)
Title: Motor and applied apparatus therewith
Inventor: YAMAGUCHI AKIRA
IPC: H02K1/14
Filed: 2000-07-13
Abstract: PROBLEM TO BE SOLVED: To provide a motor-driven blower capable of restraining the waveform of load current from being distorted and reducing the rate of harmonic current components, by changing the field core having non-linear magnetization characteristic to the one having magnetization characteristic nearly linear, in a motor used for the motor-driven blower used in a cleaner or the like. SOLUTION: A gap dimension between a field core 12 and an armature core 4b is set so as to increase gradually from a field teeth front end 14a toward the central part 14b of teeth.
Patent JP-2002031733-A (JP)
Title: Method for manufacturing polymer optical waveguide element
Inventor: SHIODA TAKASHI
IPC: G02B6/13
Filed: 2000-07-17
Abstract: PROBLEM TO BE SOLVED: To provide an optical waveguide element and a method for manufacturing the element which realizes a low loss in connection with optical parts such as an optical fiber. SOLUTION: In the method for manufacturing a polymer optical waveguide element, liquid or gel mixture monomers prepared by mixing two kinds of monomers having different molecular volumes and refractive indices are irradiated with light from optical parts such as optical fibers to harden high refractive index monomers to produce difference in refractive index. Thus, the core and clads are formed while suppressing diffusion of the light propagating in the solution.