baber/WOPTO huggingface dataset:
Patent JP-2004172949-A (JP)
Title: Lan switcher
Inventor: KAWAKAMI HIROTATSU
IPC: H04L69/40
Filed: 2002-11-20
Abstract: <P>PROBLEM TO BE SOLVED: To obtain an LAN switcher capable of switching communication partner device even in connection type socket communication without requiring a special function.  <P>SOLUTION: This LAN switcher has an LAN interface connected to multiplexed computers. Further, the switcher comprises a plurality of first communication units for terminating the connection type socket communication for each computer; a second communication unit having an LAN interface connected to a communication partner device in communication with the computer and for terminating the socket communication with the communication partner device; a definition table for holding communication setting information including addresses of each computer and communication partner device upon communication between the computer and the communication partner device; and a control processing unit for replacing the communication setting information based on the communication setting information in the definition table between the first communication unit and the second communication unit, and switching between an active system/a standby system of the computers, in the communication between the computer and the communication partner.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004170697-A (JP)
Title: Afocal zoom lens
Inventor: OKUYAMA YOKO
IPC: G02B15/20
Filed: 2002-11-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an afocal zoom lens for a microscope which has high power and no eclipse of luminous flux from an on-axis object point and luminous flux from an off-axis object point during zooming, and makes small a shift in pupil position that an ocular should cover.  <P>SOLUTION: The afocal lens 3 comprises a first lens group G1 having positive refractive power, a second lens group G2 having negative refractive power, a third lens group G3 having positive refractive power, a fourth lens group G4 having negative refractive power, and a fifth lens group G5 having negative refractive power sequentially from an object, and zooms from a low-power end state to a high-power end state by moving the second, third and fourth lens groups G2, G3, G4 along the optical axis. An entrance pupil EP does not shift in position during the zooming and is disposed in front of the afocal lens 3 and an exit pupil has nearly no shift in position during the zooming.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004173467-A (JP)
Title: Power supply method for motor driven vehicle
Inventor: AOIKE SATOSHI
IPC: B60L11/18
Filed: 2002-11-22
Abstract: <P>PROBLEM TO BE SOLVED: To shorten a power supply time to a motor driven vehicle by a simple system.  <P>SOLUTION: A battery is removed from a motor driven vehicle set with the battery removably from a vehicle body. It is then ascertained whether the removed battery is owned and managed by a battery management company or not. If it is ascertained that the removed battery is owned and managed by the battery management company, a charged battery is lent to the motor driven vehicle. The removed battery is further subjected to the diagnosis of deterioration before being charged. The charged battery is stocked in order to be lent to a different motor driven vehicle.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004178652-A (JP)
Title: Optical pickup device, recording/reproducing device, and gap detecting method
Inventor: SAITO KIMIHIRO
IPC: G11B7/1353
Filed: 2002-11-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical pickup suited to a near-field optical recording/reproducing system, and to provide an optical recording/reproducing device.  <P>SOLUTION: This optical pickup device is provided with an objective lens constituted by including a solid immersion lens (SIL) and having a numerical aperture of 1 or more. Luminous flux of a predetermined polarized light state is radiated from a light source through the objective lens to an optical recording medium, the component of a polarized light state orthogonal to the polarization state of a reflected light when the distance between the surface of the optical recording medium and the planar part of the SIL is 0 is detected from the reflected light, and a signal is obtained corresponding to the distance between the surface of the optical recording medium and the planar part of the SIL. For this purpose, the device is provided with: a beam splitter 102 for reflecting both of P and S polarized light components of the light reflected on the optical recording medium; a separating means 110 for separating the P and S polarized light components reflected by the beam splitter; and photodetecting means 120 for individually detecting the P and S polarized light components separated by the separating means.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004177243-A (JP)
Title: Volume measuring method for infinitesimal droplet and substrate for infinitesimal droplet collection used therefor
Inventor: YAMAMOTO MANABU
IPC: G01F22/00
Filed: 2002-11-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a volume measuring method for infinitesimal droplets, less liable to produce errors when finding the volume of every infinitesimal droplet and capable of making a comparison between droplets discharged all at once from many discharge holes, and to provide a substrate for specimen collection suitable for performing such a volume measuring method for infinitesimal droplets.  <P>SOLUTION: The problem can be solved by that the substrate 2 for specimen collection is prepared having a lyophilic area 22 surrounded by a liquid-repellent area 21, and a plurality of droplets 3 are deposited and spread in the lyophilic area 22 to form a liquid layer 4, the thickness of the liquid layer 4 is optically measured to find its volume based on the measurement result, and the volume of each infinitesimal droplet is found by dividing the volume by the number of droplets required.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004176826-A (JP)
Title: Nut for ball screw
Inventor: TACHIKAKE YUJI
IPC: F16H25/24
Filed: 2002-11-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a nut for a ball screw capable of composing a circulation path for balls just by capping a tabular lid member on an axial end face of a nut body without providing an end cap applied with complicated hole machining.  <P>SOLUTION: The nut 2 for the ball screw is provided with the nut body 3 formed with a helical ball rolling groove 3a in an inner circumference, and the lid member 4 contacting the axial end face 3b of the nut body 3. In an outer circumference of the nut body 3, a ball return groove 3c extending in its axial direction is formed for circulating balls, and in the axial end face 3b of the nut body 3, a direction change groove is formed for guiding the balls rolling on the ball rolling groove 3a to the ball return groove 3c. The end face of the nut body 3 is protrudedly bent as seen from a side face of the nut body 3, and a movement locus of the ball as seen from the axial direction of the nut body 3 substantially faces a radial direction of the nut body 3 at a portion entering the ball return groove 3c.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004180135-A (JP)
Title: Multi-frequency radio transmitter and receiver
Inventor: KANO HIDETO
IPC: H04B1/3822
Filed: 2002-11-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a multi-frequency radio device which is suitable for miniaturization and reduced power consumption and can select a predetermined multiplying frequency of a local oscillation circuit, by installing a switching and matching circuit that can switch matching states according to each frequency in an output of a buffer amplifier.  <P>SOLUTION: In the multi-frequency radio device which is possible to perform transmitting and receiving operations in two or more different frequencies, the switching and matching circuit is installed in the post-stage of a buffer amplifier which selectively supplies the predetermined multiplying frequency of a local oscillation frequency to a transmitting mixer and a receiving mixer.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004182112-A (JP)
Title: Airbag type cabin protection device
Inventor: SHIMIZU TOSHIHIKO
IPC: B60R21/16
Filed: 2002-12-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide an airbag type cabin protection device for absorbing a falling shock of a work vehicle, supporting a heavy weight item for a long period of time and protecting a cabin against a self-weight pressure.  <P>SOLUTION: This airbag device 14 protects a cabin 20 installed at a work vehicle such as a construction machine or an agricultural machine and the like. A buffer material 3 for use in buffering a falling shock is mixed into an airbag 2 together with air gas when the airbag device 14 is operated so as to protect the cabin.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004184853-A (JP)
Title: Method and device for forming image
Inventor: TAKAHASHI YUTAKA
IPC: G03G15/08
Filed: 2002-12-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for forming images in which a gap is reduced in order to maintain enough transfer electric field by using a transfer roll having a surface elastic layer and applying transfer pressure and which minimizes the occurrence of transfer dust even when using polymerized toner, and to provide a device therefor.  <P>SOLUTION: In the method (device) for forming images, an electrostatic latent image is formed on an image carrier 1 and developed with toner and the toner image on the image carrier is electrostatically transferred to a transfer body by using a transfer roller 52. A pressure of 1 to 10 N/cm is applied between the transfer roller and the image carrier by a spring 57b or the like. Two elastic layers different in hardness are provided between the image carrier and the transfer roller, wherein the surface layer 52a is softer and an internal layer 52b is harder. The transfer bias current between the image carrier and the transfer roller is 0.05 to 0.2 μA/cm, and polymerized toner consisting of modified polyester is used.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004183431-A (JP)
Title: Vehicle locking device
Inventor: KITA KAZUTERU
IPC: E04H6/42
Filed: 2002-12-06
Abstract: <P>PROBLEM TO BE SOLVED: To dispense with underground burying work of a sensor for detecting a vehicle in a locking type parking device.  <P>SOLUTION: A vehicle locking device 1 is provided with a sensor panel 8 enclosing a vehicle detecting sensor, in line with a base plate 9 on the locking plate 2 side, for instance. The sensor heretofore required to be buried underground can thereby be integrated with the locking device 1 to dispense with sensor burying work. A vehicle going over a slope 3 and the locking plate 2 in a descending state is detected by the sensor in the sensor panel 8, and the locking plate 2 is raised after the lapse of a fixed time from the vehicle detection by the sensor to impede the unapproved getting out of the vehicle.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004184938-A (JP)
Title: Stereoscopic image display device
Inventor: SUDO TOSHIYUKI
IPC: H04N13/04
Filed: 2002-12-06
Abstract: <P>PROBLEM TO BE SOLVED: To increase positions for observing a stereoscopic image without increasing the number of light sources.  <P>SOLUTION: The stereoscopic image display device is provided with a beam scanning means 1 for scanning with light beams, a deflection element array 4 where several deflection elements 4a for deflecting the light beams made incident on different positions after being scanned by the beam scanning means toward one light condensing position P are arranged, and an optical modulating means 7 for modulating the light beams so that an image having the parallax may be displayed for every different deflection element on which the light beams are made incident. And as for the deflection element array, several deflection elements are arranged so that the light condensing positions more than the number of the deflection elements arranged in the horizontal direction are formed in the horizontal direction.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003257583-A (JP)
Title: Spark plug
Inventor: SUZUKI AKIRA
IPC: H01T13/20
Filed: 2002-12-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a spark plug with improved airtightness and vibration resistance, having a main metal fitting mounted to an insulation body by heat shrinking, of which, the main metal fitting is fixed to the insulation body with sufficient fastening force even for the spark plug of a small diameter.  <P>SOLUTION: The rear end part of the main metal fitting is turned into a caulked part 1d bent toward the insulation body by heat shrinking. An insulation body insertion hole 40 of the main metal fitting 1 is formed so as to have an inner diameter of 8-12 mm. The cross section area S of the main metal fitting on a plane A-A rectangularly crossing the axial line O at the position 1i ranging between the inner peripheral surface of the insulation body insertion hole 40 and the inner peripheral surface of the caulked part 1d in the axial direction O of the main metal fitting; and the carbon content of the steel forming the main metal fitting 1 fulfill either the condition A: 15≤S<25 mm<SP>2</SP>, and the carbon content is 0.20-0.45 mass%, or the condition B: 25≤S<35 mm<SP>2</SP>, and the carbon content is 0.15-0.45 mass%.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004189651-A (JP)
Title: Method for producing 2,3-pyridinedicarboxylic acid
Inventor: SATO TOSHIO
IPC: C07B61/00
Filed: 2002-12-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing 2,3-pyridinedicarboxylic acid, suitable for industrialization by which a high purity product is produced in high yield by effectively utilizing a waste liquid.  <P>SOLUTION: The method for producing the 2,3-pyridinedicarboxylic acid comprises (a) a step for oxidizing quinoline or 8-hydroxyquinoline in water in the presence of a copper ion, and crystallizing and separating a copper salt of the 2,3-pyridinedicarboxylic acid, (b) a step for reacting an alkali with the separated copper salt of the 2,3-pyridinedicarboxylic acid in water to provide an aqueous solution of the alkali salt thereof, and (c) a step for crystallizing and separating the 2,3-pyridinedicarboxylic acid by reacting a mineral acid with the obtained aqueous solution of the alkali metal salt of the 2,3-pyridinedicarboxylic acid. (A) The whole or a part of the aqueous solution obtained after separating the 2,3-pyridinedicarboxylic acid at the step (c) is used at least as a part of the water used in the steps (a) or (b), or (B) copper or a copper compound is added to the whole or a part of the aqueous solution to recover the 2,3-pyridinedicarboxylic acid in the aqueous solution as the copper salt, and the resultant aqueous solution is recycled to and used in the step (b).  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004187570-A (JP)
Title: Milk-containing drink product
Inventor: MAEDA YOSHIKI
IPC: A23C9/152
Filed: 2002-12-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing a milk drink product prevented from quality deterioration such as oil ring/precipitation/demulsification/white solid growth caused by flotation of milk fat in view of the fact that, since milk-containing drink products such as coffee milk drink and tea milk drink easily cause quality deterioration such as the oil ring and the precipitation caused by flotation of milk fat, the drink is distributed and preserved at low temperatures in terms of preservation stability according to an order from the Ministry of Health and Welfare.  <P>SOLUTION: This milk-containing drink product is obtained by containing a polyoxyethylene sorbitan fatty acid ester and/or sodium stearoyl lactate.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004187951-A (JP)
Title: Method and device for collecting data
Inventor: HIGUCHI MASANORI
IPC: A61B5/05
Filed: 2002-12-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and device for collecting data by which data, from which power supply hum noise is removed, can be acquired even when such a measurement is performed that data collecting timing can be decided independently from a power supply cycle.  <P>SOLUTION: In the data collecting method, data collection which is performed for a fixed period at the timing synchronous to the zero-crossing point of the positive slope of the power supply cycle at and after a basic trigger Btr and another data collection which is performed for a fixed period at the timing synchronous to the zero-crossing point of the negative slope of periodical noise at and after the next basic trigger Btr are repeated and obtained data are added to each other. Consequently, data collection can be repeated at an arbitrary timing and, the power supply hum noise can be suppressed.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004196558-A (JP)
Title: Gypsum slurry composition
Inventor: KINOSHITA MITSUO
IPC: C08G81/02
Filed: 2002-12-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a gypsum slurry composition which has sufficient fluidity and hardly generates air bubbles when it is prepared and from which a formed material having excellent strength can therefore be obtained.  <P>SOLUTION: In the gypsum slurry composition containing gypsum, a dispersant for the gypsum and water, specific graft copolymers are incorporated as the dispersant for the gypsum in a ratio of 0.01 to 1.0 parts by weight per 100 parts by weight of the gypsum.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004137444-A (JP)
Title: New aromatic sulfonic acid ester derivative, polyarylene, polyarylene bearing sulfo group, its production method and proton conductive membrane and production method thereof
Inventor: ROZHANSKI IGOR
IPC: H01M8/02
Filed: 2002-12-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing a sulfo group-bearing polyarylene that can safely and readily control the introduction amount and the introduction position of the sulfo groups, the sulfo group-bearing polyarylene produced through the process, a polyarylene for producing polyarylene bearing sulfo groups, a new aromatic surfonic acid ester derivative, and a proton conductive membrane comprising the sulfo group-bearing polyarylene and its production method.  <P>SOLUTION: The aromatic sulfonic acid ester derivative is represented by formula (1) (wherein X is an atom or group selected from halogens other than fluorine and groups -OSO<SB>3</SB>CH<SB>3</SB>or -OSO<SB>3</SB>CF<SB>3</SB>; Y is a divalent organic group; R is a 4-20C hydrocarbon group). The sulfo group-bearing polyarylene polymer is produced by subjecting an aromatic compound at least including aromatic sulfonic acid ester derivatives represented by formula (1) to the coupling polymerization followed by hydrolysis of the resultant polyarylene.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004199974-A (JP)
Title: Press fit connector and manufacturing method thereof
Inventor: TAKADA KENSAKU
IPC: H01R12/22
Filed: 2002-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a press fit connector, and a manufacturing method thereof, which is of low cost and small, and capable of improving reliability.  <P>SOLUTION: A terminal 20 of a press fit connector 1 is so bent that the protrusion direction on the base end side of the terminal 20 extending from a housing 10 orthogonally crosses with an axial center direction CL1 of a contact part 22 which is provided on the tip side of the terminal 20 and can be press-fitted in a through hole 32 of a printed board 30 under pressurization with a pressurizing tool 40. A pressurizing plane 23 is so formed as to contain the intersection at an extension part where the base end side of the terminal 20 is extended in the protrusion direction.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004198690-A (JP)
Title: Thermooptic optical switch
Inventor: OKADA HIROAKI
IPC: G02F1/313
Filed: 2002-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a thermooptic optical switch of which the assembling yield can be improved.  <P>SOLUTION: The thermooptic optical switch is provided with an optical switch chip 1 on which an optical waveguide, a heater to control a refractive index of the optical waveguide and a plurality of pads 13 to turn on electricity for the heater are formed and a wiring board 2 with a plurality of electrodes 21 respectively electrically connected to the respective pads 13 via bonding wires W formed on one surface thereof and with the optical switch chip 1 firmly fixed to the one surface thereof. An optical waveguide block A is constituted of optical fiber holding bodies 3a, 3b to hold optical fibers 5 respectively joined to end faces of the light incident side and the light outgoing side of the optical waveguide on the optical switch chip 1 and optically connected to the optical waveguide, the optical switch chip 1 and the wiring board 2. The optical waveguide block A is contained in a package 50 consisting of a base 51 and a cover 52. Also terminals 23 integrated with the wiring board 2 are electrically connected to the electrodes 21 on the wiring board 2.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004196478-A (JP)
Title: Force feeding method of dewatered sludge, and the dewatered sludge for force feeding
Inventor: SODA MITSUHIRO
IPC: C02F11/00
Filed: 2002-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a force feeding method of dewatered sludge and to provide the dewatered sludge for force feeding that can be executed inexpensively, and can secure maintenance properties for comparing favorably with the conventional ones since the need for increasing pump power and piping diameter is eliminated and piping facilities can be configured by using normal piping by improving treatment when force-feeding the dewatered sludge by a force feeding means and the dewatering sludge for force feeding itself.  <P>SOLUTION: When the dewatered sludge, where the sludge is dewatered, is forcibly fed by the force-feeding means, lubricant for softening the dewatered sludge is added to the dewatered sludge. Lubricant has a considerable number of calorific values. Additionally, the lubricant has hydrophilic properties that are dissolved in moisture in the dewatered sludge. As one example of the lubricant, hydrophilic glycerin can be listed. The hydrophilic glycerin is added by 5-40% in terms of a weight ratio to the dewatered sludge whose water content is 40-85%.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004197163-A (JP)
Title: Film forming method
Inventor: YAMAZAKI HIDEAKI
IPC: H01L21/285
Filed: 2002-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To reduce an incubation time for forming a film, in a method for forming a metallic film through a CVD process using a metal carbonyl as a raw material.  <P>SOLUTION: The method for forming the metal film by using a metal carbonyl compound as a raw material comprises the first step of introducing a reactive gas into a space in the proximity of the surface of a substrate to be treated, and the second step of introducing a vapor-phase raw material containing the metal carbonyl compound into the space on the surface of the substrate, after the first step, to deposit a metal film on the surface of the substrate, wherein in the first step, the metal film is substantially inhibited from depositing on the substrate.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004194577-A (JP)
Title: Useful matter continuous elution unit for plant watering facility
Inventor: FUJII HIROSHI
IPC: A01G25/06
Filed: 2002-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a continuous elution unit for continuously feeding the liquid tank of a plant watering facility with effective microorganisms and effective matter useful for plant growth.  <P>SOLUTION: This elution unit, installed together with an aerator 3 and a water feeder 4 in the liquid tank 2 of the plant watering facility 1 storing effluent water from a small-sized combined septic tank, functions to continuously feed useful matter to the liquid tank 2. The elution unit works as follows: A liquid L in the liquid tank 2 is fed into a distributive chamber 11, a part or the whole of the liquid L is then fed via a plurality of flow-regulating openings 12 to a stock yard 13, where the useful matter containing a microorganismic group are mixed into the liquid L, and the resulting liquid L is returned to the liquid tank 2.  <P>COPYRIGHT: (C)2004,JPO&NCIPI