baber/WOPTO huggingface dataset:
Patent JP-2003311409-A (JP)
Title: Method for controlling arch length in pulse arc welding
Inventor: DO KOGUN
IPC: B23K9/09
Filed: 2002-08-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for controlling arc length in which the arc length is constantly retained to an appropriate value by exactly detecting the arc length even if unusual voltage occurs.  <P>SOLUTION: Welding voltage Vw is detected. The detection value of the welding voltage is limited within a predetermined variation range Vc±ΔVc using a reference voltage waveform previously determined as input as a center voltage value Vc to calculate a welding voltage limiting value Vft. The average value of the welding voltage is calculated by using the welding voltage limiting value Vft as input. The arc length is controlled by the average value of the welding voltage obtained from the welding voltage limiting value Vft.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004087802-A (JP)
Title: Optical communication apparatus
Inventor: ABE AKIO
IPC: H05K3/34
Filed: 2002-08-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical communication apparatus that can reduce the waveform distortion of a main signal and can restrain deterioration in high-frequency characteristics.  <P>SOLUTION: In the optical communication apparatus, a plurality of lands 45a, 45c of a printed wiring board 32 for connecting a plurality of main signal leads 50, 51 of a laser diode module 34 are arranged close to the end face of the printed wiring board, and the land 45b of the printed wiring board for connecting an auxiliary signal lead 52 of the laser diode module is arranged separately from the end face of the printed wiring board by a fixed distance, thus reducing the waveform distortion of the main signal by shortening the length of a main signal lead, and restraining the deterioration in the high-frequency characteristics.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004088463-A (JP)
Title: Data recorder
Inventor: YAMAGAMI TOSHIHIRO
IPC: H04Q9/00
Filed: 2002-08-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a reasonable data recording technology that is effective to record highly reliable data over a long term by using limited recording capacity of a data recording means.  <P>SOLUTION: A data recorder 100 attachable to a forklift, etc., consists of an information interpolation part 110 having a timer IC 112 and an OR gate 114, and a data recording part 120. The information interpolation part 110 interpolates an input signal S1 and outputs an information interpolation part output signal S3, and the data recording part 120 reads and records the information interpolation part output signal S3. The timer IC 112 keeps a holding signal S2 on for a prescribed holding time on the condition that on information of the input signal S1 is detected. The OR gate 114 compares the holding signal S2 with the input signal S1, selects a side that outputs a signal corresponding to the on information of the input signal S1 and outputs the selected side as the information interpolation part output signal S3.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003105005-A (JP)
Title: Preparation method of latex polymer
Inventor: CHEN ALLAN K
IPC: C08F291/00
Filed: 2002-08-28
Abstract: PROBLEM TO BE SOLVED: To provide a latex polymer meeting an E/A (emulsification agglomeration/unification) toner capable of customizing a latex of a wide Mw range substantially not changing Mn and Tg to keep the performance of good toner. SOLUTION: In a chain transfer agent division emulsion polymerization to manufacture a latex polymer having a wide range of molecular characteristic, the latex polymer is prepared first by preparing a seed particle latex by aqueous emulsion polymerization of a first part of a monomer emulsion liquid, then the seed particle latex is blended with a second part of the monomer emulsion liquid and at least a chain transfer agent. The blending is carried out in the presence of a radical initiator under heating, and the monomer emulsion liquid contains at least a monomer, at least a chain transfer agent, at least a surfactant, and a mixture of polymerization chemical agents in water.
Patent JP-2004085991-A (JP)
Title: Display apparatus using diffraction grating
Inventor: KISHIMOTO YASUSHI
IPC: G09F9/30
Filed: 2002-08-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a display apparatus which is miniaturized, particularly made thin and reduced in the cost.  <P>SOLUTION: Dots of diffraction grating elements consisting of fine diffraction gratings are used as pixels, and are disposed in matrix on a plane substrate. Diffraction grating arrays having patterns (multi-dots pattern) expressed by the collection of the dots and several illumination light sources generating illumination light for illuminating the arrays are included. Angles corresponding to the incident angles from the light source lighted when displaying are used for the grating angles of the grating elements at the diffraction grating arrays, to meet the object.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004085992-A (JP)
Title: Liquid crystal display using hologram
Inventor: INOKUCHI MASAMI
IPC: G02F1/1335
Filed: 2002-08-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a liquid crystal display having a liquid crystal display element and a backlight and capable of obtaining a high diffraction efficiency in a wide wavelength range, performing bright pattern display and performing luminous display without impeding light of a backlight at a dark place.  <P>SOLUTION: The liquid crystal display is constituted of the liquid crystal display element and the backlight disposed at one surface of the liquid crystal display element. A hologram layer consisting of a volume phase transmission type hologram diffracting only incident light made incident at a specific angle is provided between the liquid crystal display element and the backlight.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004093706-A (JP)
Title: Liquid developer and method for manufacturing the same
Inventor: FUKUDA MAKOTO
IPC: G03G9/12
Filed: 2002-08-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a liquid developer having high storage stability and for stably forming high quality images over a prolonged period of time, with respect to a liquid developer and a method for manufacturing the same.  <P>SOLUTION: The liquid developer consists of an insulative carrier liquid 2, toner particles 6 insoluble in the carrier liquid 2 and containing a colorant and a binder resin, a mercapto modified silicone oil 4, and a silane coupling agent 5 having an amino group.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003080732-A (JP)
Title: Ink cartridge
Inventor: IIDA YUJI
IPC: B41J2/175
Filed: 2002-08-30
Abstract: PROBLEM TO BE SOLVED: To surely supply ink to a recording head by surely responding to a minute differential pressure to the recording head and maintaining a negative pressure fit for printing to the recording head without being influenced by the oscillation of ink due to the movement of a carriage. SOLUTION: An ink cartridge is constituted of a film valve seat 3 of an elastically deformable elastic body having a through hole 6 at the center for circulating ink, and arranged to section an ink chamber 4 and an ink supply port 2. A sealing member 28 is set opposite to the through hole 6 to be in and out of contact with the elastic body. The through hole 6 butts in contact against the sealing member at a position deviated from a plane including a fixing region of the elastic body.
Patent JP-2004093052-A (JP)
Title: Hydrate slurry manufacturing device
Inventor: OGOSE HIDEMASA
IPC: F28D20/02
Filed: 2002-09-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hydrate slurry manufacturing device capable of accomplishing cost reduction and energy-saving by omitting plate type and multi-tube type heat exchangers and a pump.  <P>SOLUTION: The device for manufacturing a hydrate slurry containing the hydrate of a guest compound by cooling an aqueous solution of the guest compound for producing the hydrate at a temperature higher than 0°C has a refrigerator having a plurality of evaporators switchably installed; a circulation system for the aqueous solution of the guest compound constituted so as to cool the aqueous solution of the guest compound by the respective evaporators; a control means for stopping cooling of the aqueous solution of the guest compound in the evaporator when the circulation system of the aqueous solution of the guest compound enters a closing process by the hydrate in one evaporator and starting to cool the aqueous solution of the guest compound in the other evaporator; and a means for feeding a cooling medium of high temperature in the refrigerator against the evaporator in which the cooling of the aqueous solution of the guest compound is stopped.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004096582-A (JP)
Title: Method for managing files, program of file-managing method and recorder
Inventor: ITO RYOGO
IPC: H04N5/76
Filed: 2002-09-03
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a method for managing files, a program of file-managing method and a recorder being applied to a digital video camera, for example, in order to simplify file management by a user.  <P>SOLUTION: Information, for managing the recording of files on a recording medium, is formed at least of information for specifying the place for recording a file and a file number and that information is held. An appropriate directory is formed on the recording medium by the decision of the management information, and the file name is set such that the file numbers becomes consecutive, in the recording order within the directory.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004098323-A (JP)
Title: Manufacturing method for resin molded product
Inventor: HIRAIWA NAOKI
IPC: B29K105/20
Filed: 2002-09-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a manufacturing method for a resin molded product, capable of preventing the positional shift of an insert component without complicating the manufacturing method or a mold structure.  <P>SOLUTION: After the conductor wire 11b of the insert component 11 is held in a cavity 5 through a resin bead 12 formed so that the conductor wire 11b comes into contact with the inner surface of the cavity 5, the cavity 5 is filled with a molten resin 13a. The resin bead 12 slides to the downstream side of a filling direction by the filling pressure of the resin 13a to continuously hold the conductor wire 11b at a desired position immediately before the conductor wire 11b is surrounded by the resin 13a. At the completion of filling, the resin bead 12 is integrated with the cooled and solidified resin.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004100754-A (JP)
Title: Finishing method for smooth surface of outer ring inner surface of bearing device and bearing device finished by the same method
Inventor: MIYAZAKI SEIZO
IPC: F16C19/54
Filed: 2002-09-06
Abstract: <P>PROBLEM TO BE SOLVED: To smooth the inner surface of an outer ring by finishing it by a forming tool forming no feeding trace and to further smooth without a burr and easily remove micro foreign matters attached thereto afterward by cleaning by barrel-finishing the inner surface.  <P>SOLUTION: This bearing device is formed by assembling a plurality of rolling bodies between the outer ring and an inner ring or a shaft, the inside diameter surface 1a of the outer ring 1, a track groove 1b, and a seal plate groove 1c are finished by the forming tool forming no feeding trace, and then treated by the barrel finishing. The forming tool 8 simultaneously grinds the whole of the inside diameter surface 1a of the outer ring 1, the track groove 1b, and the seal plate groove 1c.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004066794-A (JP)
Title: Multi-purpose pressurization removing machine
Inventor: HONDA SUSUMU
IPC: B28D1/00
Filed: 2002-08-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a multi-purpose pressurization removing machine for the aim of removing fitting metal frames, etc., installed to concrete structures wherein work can be proceeded in a clear state without pollution such as noise, dust, and contamination in working as removal is carried out by transmitting stress with a combination of a hydraulic compressor, the hydraulic cylinder, racks, and gears, etc., as an energy source, further, parts of a tool matching the aim can be replaced in one touch-way, thus, working effect is excellent and safe operations can be proceeded.  <P>SOLUTION: A driven shaft with the same distance as the drive distance is fitted on an extension line of a cylinder shaft drive shaft of a well-known hydraulic cylinder. A straight or helical rack is provided on lateral faces of the shaft and driven guide grooves are provided vertically. A parts mounting place for drawing-out work is provided at the utmost front end. The stress is transmitted to a plurality of the driven gears respectively engaged with the racks on both faces following movement of the driven shaft and it is made to reach the front end member to carry out a work matching the aim. The stress is changed horizontally along a guide rail provided on a cover of the removing machine by the front end member wherein the driven guide grooves are provided vertically by the driven rotation in the opposite direction of the driven gears on both faces engaged with the driven racks of the front end member. The front end member is laterally moved. Thus, various work matching the aim can be rationally carried out by the movement and opening/closing of the front end part of the front end member within the same distance.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004099784-A (JP)
Title: Method for producing polybutylene terephthalate resin
Inventor: OBUCHI KIYOSHI
IPC: C08G63/91
Filed: 2002-09-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing PBT resin excellent in various kinds of physical properties, particularly physical properties of a molded product in a high productivity by using a raw material containing recovered PBT resin.  <P>SOLUTION: The method for producing the polybutylene terephthalate resin comprises adding a diol mainly containing 1,4-butanediol in an amount of 0.3-3.0 times by mol based on a dicarboxylic acid component constituting a molded product of a recovered polybutylene terephthalate resin to the recovered polybutylene terephthalate resin having 10-50 eq/ton carboxy terminal group concentration to provide bishydroxybutyl terephthalate and carrying out polycondensation reaction of the bishydroxybutyl terephthalate.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004103917-A (JP)
Title: Method for molding flip chip mold and molding die for injecting resin
Inventor: OSADA MICHIO
IPC: B29C39/26
Filed: 2002-09-11
Abstract: <P>PROBLEM TO BE SOLVED: To efficiently prevent cracks in a molded resin part of a resin injected piece 20 that is formed by cutting a resin injected substrate 8 as necessary wherein a plurality of semiconductor chips 3 are inetgerally mounted by means of a bump 4 to form a substrate 5.  <P>SOLUTION: While the respective semiconductor chips 3 mounted on the substrate 5 are respectively covered with a resin member 11, the substrate 5 is supplied to both molds 1 and 2 and they are mold-clamped to adhere the resin member 11 to the top surface 14 and the side surface of the semiconductor chip 3 efficiently and without producing any clearance. Then, a melted resin is put into the cavity 10, and the melted resin is put into at least a clearance 6 between the substrate 5 and the semiconductor chip 3, to form a clearance resin part A (molded resin part 21), thereby molding the resin injected substrate 8.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004097599-A (JP)
Title: Blood circuit for high pressure steam sterilization treatment
Inventor: ABE MICHIO
IPC: A61L2/06
Filed: 2002-09-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a blood circuit which can eliminate breaking or crushing of tubes by suppressing blocking among the tubes during high pressure steam sterilization and which does not cause a breaking of the tubes even during an extracorporeal circulation.  <P>SOLUTION: The blood circuit for high pressure steam sterilization treatment is formed with a polyvinylchloride resin composition comprising 50 to 90 pts.wt. trimellitic acid tris-2-ethylhexyl and 3 to 10 pts.wt. epoxidized soybean oil based on 100 pts.wt. of the polyvinylchloride resin having a 1000 to 1500 average degree of polymerization.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004111421-A (JP)
Title: Component mounting head and method for detecting origin in the same
Inventor: OKUDA OSAMU
IPC: H05K13/04
Filed: 2002-09-13
Abstract: <P>PROBLEM TO BE SOLVED: To surely detect an origin in raising and lowering operations of component holding members each capable of holding a component and to suppress manufacturing cost to a low level with a simple constitution in a component mounting head in which a plurality of the component holding members each are arranged in one row.  <P>SOLUTION: A method for detecting the origin in the component mounting head includes the steps of setting the origin of raising and lowering of a raising/lowering nut by detecting a rotary angle of a rotary driver in the raising/lowering unit, sequentially individually lowering the raising/lowering nut in a state in which the nut is disposed at the origin set so that a light emitted from a light emitting unit is photodetected by a photodetecting unit without being shielded, detecting light shielding by the lowered nut emitted by the light from the emitting unit by the photodetector at a position where the nut is lowered by a predetermined size of light shielding from the set origin, confirming that the set origin is on the origin of raising or lowering, and thereby detecting the origin.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004105254-A (JP)
Title: Cooling device for coffin
Inventor: TANIZAKI KAZUHIKO
IPC: A61L2/10
Filed: 2002-09-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cooling device for a coffin which eliminates the use of dry ice for cooling the dead body by being arranged in the coffin, and with which a conventional coffin can be used as well, and which can prevent the dead body from decaying as much as possible.  <P>SOLUTION: This cooling device for the coffin has a mounting base 12 on which the coffin 11 for laying the dead body 46 is mounted, and a cool air generating means which is arranged in the mounting base 12 and jets cool air to the bottom part of the coffin 11 being mounted on the top. By cooling the bottom part of the coffin 11, the dead body 46 in the coffin 11 is indirectly cooled, and the dead body 46 is prevented from decaying as much as possible.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004110287-A (JP)
Title: Agv route searching method and its program
Inventor: KOBAYASHI MASAHITO
IPC: G05D1/02
Filed: 2002-09-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide an AGV route searching method or its program capable of shortening the time required for searching the optimal route of an AGV, and easily preparing, adding, erasing or changing the traveling route data.  <P>SOLUTION: A plurality of traveling routes 41 of an AGV traveling in a yard 40 are arranged in the yard 40, and the traveling route 41 optimal for the AGV to travel is retrieved from among the traveling routes 41 in this AGV route searching method. The traveling route 41 is applied as one link, and a stop point 45 of the AGV in the traveling route 41 is applied as a station so that the route retrieval can be executed.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004106099-A (JP)
Title: Power tool
Inventor: YASUI TADASHI
IPC: B25F5/02
Filed: 2002-09-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a power tool wherein assemblability is improved as well as the diameter of the front end portion of a torque adjuster 7 being reduced, by fitting and engaging a front side lid plate 9 into the front side opening 7a of the torque adjuster 7.  <P>SOLUTION: The generally pentagonal shaped front side opening 7a is formed in the front end face of the torque adjuster 7, engaging portions 7c outwardly cut out are formed at five rear portion of in the front side opening 7a, the shaft of a spindle 4 is supported at the inner diameter side the front side lid plate 9 in which return stop portions 9b comprising elastic portions 9c extended along a peripheral direction from outer peripheral portions and projecting portions 9d positioned at the distal end portions of the elastic portions 9c and having portions protruding outwardly over a outer peripheral face are formed at five locations of whole periphery, and the outer peripheral face is fit into the front side opening 7a of the torque adjuster 7 and the protruding portions 9d of the respective return stop portions 9b are respectively engaged with engaging portions 7c.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003168585-A (JP)
Title: Inverter circuit for discharge tube
Inventor: SUZUKI SHINICHI
IPC: H05B41/392
Filed: 2002-09-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inverter circuit for a discharge tube with improved power efficiency of a transformer, hardly influenced by high-order resonance frequency.  <P>SOLUTION: The inverter circuit for the discharge tube is composed of a transformer 1 forming an oscillation circuit by the parasitic capacity of a discharge tube 9, and a H-bridge circuit 17 driving the transformer 1 with a frequency smaller than the resonance frequency of the resonance circuit of which, the phase difference θ between voltage and current of the primary winding of the transformer 1 is shifted into a prescribed range from minimum point.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004108024-A (JP)
Title: Manufacturing method of composite segment
Inventor: KURODA MAKOTO
IPC: E21D11/14
Filed: 2002-09-19
Abstract: <P>PROBLEM TO BE SOLVED: To solve such problems that a form manufacturing cost and an operation cost are increased and further a larger space and a longer manufacturing time for the production line are required.  <P>SOLUTION: A form having a forming face formed in a curved face forming an arc or a circle copied from the arc face of the opening face of a steel segment in a planar shape on a base board is installed. One of the axial end faces of the steel segment is placed on the base board so that opening side arc faces of the steel segment are positioned to face each other while retaining a required distance in front of the form face. A joint forming die is interposed between right and left ends of the opening side arc face of the steel segment and the forming face of the form. Highly flowable concrete is filled from an upper clearance between the forming face of the form and the opening side arc face of the steel segment or an opening formed in the axial end face of the upper end of the steel segment. Thereby, the form manufacturing cost and the operation cost are reduced and a number of composite segments having dense concrete faces can be formed in a short time.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004144105-A (JP)
Title: Polyurethane toothed belt
Inventor: KAWAGUCHI MASAYUKI
IPC: F16G1/28
Filed: 2002-09-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a polyurethane free-span toothed belt to be free from riding on a flange in misalignment.  <P>SOLUTION: The polyurethane toothed belt 1 is driven to be rotated between at least two shafts by using a back idler pulley. It has, at least, a plurality of toothed portions 2 arranged along the longitudinal direction and a back portion 4 in which core wires 3 are embedded. The diameter of the core wire is 0.7mm-0.9mm and surface roughness Ra of the back face of the belt is 2.5-100.  <P>COPYRIGHT: (C)2004,JPO