baber/WOPTO huggingface dataset:
Patent JP-2004233809-A (JP)
Title: Surface light source unit, and electrooptical device and electronic device using the same
Inventor: IDE KATSUYA
IPC: F21Y101/02
Filed: 2003-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a surface light source unit wherein luminance unevenness is not generated even if the surface light source unit is so constituted that a plurality of light emitting elements are driven by proper driving voltage and emission of light can be continued even if one light emitting element is broken to be in a disconnection state and to provide an electrooptical device and an electronic device.  <P>SOLUTION: The surface light source unit 3 has a light guide plate 31 and a light emitting part 33. In the light emitting part 33, a plurality of chip-shaped LEDs 333 as light emitting elements are mounted on a substrate 330 for mounting the LEDs of a multilayered wiring structure. A plurality of the LEDs 333 are connected in series in respective two groups 331 and 332. The LEDs 333 are disposed so that the LEDs 333 belonging to the groups 331 and 332 different from each other are adjacent to each other.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004232068-A (JP)
Title: Hard carbon film-formed body, and production method therefor
Inventor: IWAMURA EIJI
IPC: C23C14/06
Filed: 2003-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hard carbon film-formed body in which the adhesive strength in the boundary of a different kind of material between a base material and a carbon film and the strength of itself can be improved, and to provide a production method therefor.  <P>SOLUTION: The hard carbon film-formed body consists of a surface layer 2 of a hard carbon film and an iron based base material 1 in contact with the surface layer 2. On the boundary between the surface layer 2 and the base material 1, an amorphous carbon film which is amorphous like a compound of silicon and addition elements included in the iron or iron based base material and contains 0.1 to 30 at% silicon is formed as the surface layer 2. Next, an electronic beam accelerated by ≤100 kV is irradiated.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004235117-A (JP)
Title: Sheathed cable
Inventor: YOSHIMURA MASANOBU
IPC: H01B7/02
Filed: 2003-02-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sheathed cable in which low cost can be realized while maintaining thermal resistance.  <P>SOLUTION: The sheathed cable 16 comprises a conductor 10, an inner insulating layer 12 made of a non-cross-linking resin coated on the outer circumference of this conductor 10, and an outer insulating layer 14 made of silane cross-linked resin coated on the outer circumference of this inner insulating layer 12. It is preferable that the thickness of the outer insulating layer is in a range of 20-50 % of the total insulating layers. It is further preferable that the non-cross-linking resin and the silane cross-linked resin are respectively polyolefin and silane cross-linked polyolefin.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004229626-A (JP)
Title: Spraying mechanism and controlling machine
Inventor: SUZUKI YOSHIO
IPC: A01M7/00
Filed: 2003-02-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a spraying mechanism and controlling machine of a small size and capable of traveling between furrows 53, inexpensive, having a high working efficiency, dealing with the height difference of agricultural crops 51 and the variation of fields easily and without forming a part of not receiving agricultural chemical in the agricultural crops 51 or an excessively sprayed part.  <P>SOLUTION: This vertically spraying mechanism 1a, vertical spraying controlling machine 1, etc., have a spraying unit 5 consisting of a spraying base 29 having a vertical pole 31 and a spraying unit 5 and guided as movable in upper and lower directions by the vertical pole 31, and a horizontal spraying mechanism 2a, horizontal spraying controlling machine 2, etc., are obtained by adding a fulcrum unit 7 to the above spraying mechanisms. Further, a furrow-astriding spraying mechanism 3a and furrow-astriding controlling machine 3 are obtained by having an L-shaped frame 45, a gate type frame and in a plurality of spraying units 5, 6.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004236724-A (JP)
Title: Powder fire extinguishing system
Inventor: ARAKI NOBUAKI
IPC: A62C35/68
Filed: 2003-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a powder fire extinguishing system with a piping structure for reducing the total length of the piping including primary and secondary piping without deteriorating the powder fire extinguishing effect, capable of reducing the cost of the whole system and obtaining the flexibility in the design of the piping.  <P>SOLUTION: The system has a main valve 3 which is normally in the closed state on the powder fire extinguisher feeding side. A plurality of subject sections 10 of fire extinguishing are disposed by the secondary piping 8 from the upstream side to the downstream side of the primary piping 6 extending from the main valve 3, and one or a plurality of channel switch valves 9 are disposed in line, communicating with one or a plurality of the subject sections other than one responding to the most downstream side. The channel switch valves 9 are normally in such a position as the secondary piping 8 side is closed and the upstream side and the downstream side of the primary piping 6 communicate with each other, and the position is switched to such a position as the main valve 3 is opened and the upstream side of the primary piping 6 and the secondary piping 8 side communicate with each other at the time of extinguishing a fire when the channel switch valves are actuated.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004238301-A (JP)
Title: New imide compound, and electrophotographic photoreceptor using the compound, electrophotographic apparatus
Inventor: FUJIYAMA TAKAHIRO
IPC: G03G5/06
Filed: 2003-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a new compound suitable as an electron transport material in organic electrophotographic photoreceptors, and to provide an electrophotographic photoreceptor using the new compound and having higher sensitivity than those of conventional photoreceptors.  <P>SOLUTION: This imide compound represented by general formula (1) (R<SB>1</SB>to R<SB>5</SB>are each independently F, a perfluoroaryl, a perfluoroaryloxy, a perfluoroarylthio, a perfluoroalkylthio, or a perfluoroalkylthio; Rg is an aromatic ring which may have one or more substituents or an aliphatic ring which may have one or more substituents, provided that a case that the substituents of Rg are wholly fluorinated is excluded).  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004240266-A (JP)
Title: Light scanner and color image forming apparatus using the same
Inventor: TAKAYAMA HIDEMI
IPC: H04N1/113
Filed: 2003-02-07
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a light scanner which provides an excellent figure of spot on a plane to be scanned and does not causes a bend of scanning line.  <P>SOLUTION: The light scanner has a light source means 1 which emits a luminous flux modified according to an image signal, a condenser lens 4 which temporarily focuses the luminous flux emitted from the light source means on a spot in the vicinity of a deflection and reflection plane of a light deflector 5 in a subscanning cross section, and a scanning optical system 9 which guides the luminous flux deflected with the light deflector onto a plane 8 to be scanned, and scans the plane to be scanned with light. The luminous flux emitted from the the condenser lens is made incident on the subscanning cross section with an angle with respect to the normal line of the deflection and reflection plane and the scanning optical system has a substantially constant image formation magnification in the subscanning cross section.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004248377-A (JP)
Title: Drive voltage output device and control method thereof
Inventor: SUZUKI HIROSHI
IPC: H02M7/493
Filed: 2003-02-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a drive voltage output device capable of precisely sampling analogue signals representing the load condition of a load device, by eliminating the effect of noises that occurs at switching, even if a plurality of drive voltage output devices that accompany switching operation are arranged.  <P>SOLUTION: One drive voltage output part comprises a first motor control part 11 for controlling a first inverter 13, while the other drive voltage output part comprises a second motor control part 12 for controlling a second inverter 14. A synchronizing means synchronizes control cycle between both drive voltage output parts. The analogue signal representing a load condition of a first motor 15 and a second motor 16 is sampled at such timing as no switching is performed with the switching element of the inverter at any drive voltage output part.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004243611-A (JP)
Title: Ball-point pen chip and method of manufacturing it
Inventor: FUKUSHIMA MAKOTO
IPC: B43K1/08
Filed: 2003-02-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a ball-point pen chip capable of manufacturing products in stable quality by decreasing fluctuation of holding by caulking of a ball.  <P>SOLUTION: The ball-point pen chip 10 is provided with a through-hole 12a and the outer peripheral face has a holder whose apex part 12b is conical and a ball 14. The front extremity of the apex part 12b of the holder is a swaged part, and the ball 14 is held by swaging in the through-hole 12a by the swaged part. The swaged part of the holder has a cylindrical outer peripheral shape before swaging, and is formed by caulking the cylindrical part 12g with uniform outer diameter and thickness in the ball 14 direction.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004243019-A (JP)
Title: Reclining adjuster for seat
Inventor: UMEZAKI KIYONORI
IPC: A47C1/025
Filed: 2003-02-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a reclining adjuster for a seat, in which the number of mobile members are reduced as far as possible and which has lock strength sufficient to withstand a large load.  <P>SOLUTION: The reclining adjuster for the seat is provided with a lock plate 4 between a plurality of guide members 2 so as to perform normal locking by engaging the locking teeth 41a of the lock plate 4 with opposing inner teeth 34. The adjuster also is provided with an auxiliary lock plate 27 to be slid in a direction nearly orthogonally crossing the sliding direction of the lock plate 4. When the large load is added due to the collision of a vehicle, etc., the locking teeth 27b of the auxiliary lock plate 27 are engaged with the opposing inner teeth 34.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004253183-A (JP)
Title: Manufacturing method of electrolyte membrane, and fuel cell
Inventor: HIRAOKA HIDEKI
IPC: H01M8/10
Filed: 2003-02-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inexpensive electrolyte membrane having high productivity and capable of improving durability in operating it as a fuel cell by solving a problem of permeation or swelling of methanol in the electrolyte membrane for a direct alcohol type fuel cell.  <P>SOLUTION: This electrolyte membrane is composed by filling fine pores of a porous base material with a polymer having an ion exchange group; the polymer is obtained from an ion exchange group-containing monomer or a mixture of the monomer and a cross-linking agent. The electrolyte membrane is manufactured by previously filling, with a polymer precursor, the porous base material activated by previously executing irradiation of an active energy ray such as a radial ray, an ultraviolet ray and an electron beam, or a treatment of plasma, ozone, corona discharge or the like in its manufacturing process, and by radiating the electron beam in polymerizing the polymer precursor.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004252025-A (JP)
Title: Optical functional device and optical functional module
Inventor: ISHIZAKA MASASHIGE
IPC: G02F1/313
Filed: 2003-02-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a small optical functional device which has excellent crosstalk characteristics and of which the yield is improved.  <P>SOLUTION: The optical functional device is constructed by branching the main signal light beam inputted from a third optical waveguide 3 into a first optical waveguide 7 and a second optical waveguide 6 through a 3dB optical directional coupler 5. The signal light beam branched is separated for each of wavelengths by an AWG (arrayed-waveguide gratings) consisting of a first slab 8, an array optical waveguide 9 and a second slab 10 and the respective separated signal light beams are outputted to a first array output waveguide group 11 and a second array output waveguide group 12. Subsequently they are reflected by a highly reflecting film 13 and return through the reversed route. When their phases are varied with a thermo-optic phase shifter 14, however, the signal light beam with a wavelength corresponding to the thermo-optic phase shifter 14 is outputted to the fourth waveguide 4 side at the 3dB optical directional coupler 5. The signal light beam with any other wavelength is outputted to the third waveguide 3 side.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004252119-A (JP)
Title: Projection optical system, aligner and exposure method
Inventor: FUJISHIMA YOHEI
IPC: G02B13/24
Filed: 2003-02-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a projection optical system whose chromatic aberration is excellently corrected and which has high image formation performance while excellently restraining the influence of the specific double refraction of fluorite and the compaction of quartz by appropriately combining a quartz lens component and a fluorite lens component.  <P>SOLUTION: The projection optical system for forming the image of a 1st surface (R) on a 2nd surface (W) includes a 1st fluorite lens (L25) arranged nearest to the 2nd surface side out of a plurality of lenses in the projection optical system and formed of fluorite, and a 2nd fluorite lens (L24) arranged adjacently to the 1st surface side of the 1st fluorite lens and formed of the fluorite. Assuming that the refractive power of the 1st fluorite lens is P1, the refractive power of the 2nd fluorite lens is P2 and a distance between the 1st surface and the 2nd surface is L, the optical system satisfies conditions 0.125<P1×L<6.25 and 0.125<P2×L<6.25.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004259468-A (JP)
Title: Fuel-cell system
Inventor: UOZUMI TETSUO
IPC: H01M8/04
Filed: 2003-02-24
Abstract: <P>PROBLEM TO BE SOLVED: To prevent the backflow of water, into a water tank of a fuel cell system.  <P>SOLUTION: In the fuel-cell system having the water tank to store deionized water, the system includes valve means 8, 9 which allow outflowing of water, from the water tank 1 into passages 5, 6 that cause the deionized water to flow out from the water tank, but will not allow backflow of water into the water tank 1 through the passages.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003273854-A (JP)
Title: Frequency synchronization of clock
Inventor: COMPTON MATTHEW
IPC: H04N21/43
Filed: 2003-02-24
Abstract: <P>PROBLEM TO BE SOLVED: To synchronize a frequency of a local clock generator 30 of a local data processor 4 to the frequency of a reference clock generator 10 of a source data processor 2.  <P>SOLUTION: Both processors 2 and 4 are coupled to an asynchronous switched network. The method of synchronizing comprises sending, to the local data processor 4 from the source data processor 2, timing packets each, including at least fields containing the destination address of the local processor and reference clock data indicating the time the packet, is launched on to the network, and controlling the frequency of the local clock generator 30 in dependence on the reference clock data.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004260047-A (JP)
Title: Optically coupled semiconductor relay device
Inventor: YAMAGISHI KAZUO
IPC: H01L31/12
Filed: 2003-02-27
Abstract: <P>PROBLEM TO BE SOLVED: To reduce a drop of voltage at the time when voltage generated in a photovoltaic diode array is applied between a gate and a source of a MOSFET, and to reduce a leak current among output terminals at the time of turning off of the MOSFET.  <P>SOLUTION: In a discharge circuit 21 of the semiconductor relay device, a diode 9 is provided between an N gate and an anode of four-terminal thyristor 11, and a low resistance 22 is provided between a P gate and a cathode thereof. When a voltage generating in a photovoltaic diode array 4 is applied between gate sources of MOSFETs 6 and 7, it can be suppressed by a drop of voltage resulting from VF of one-step diode 9. In addition, when the gate potential of the MOSFETs 6 and 7 is not fixed at a source potential and unstable condition occurs while the voltage is applied between them, the voltage can be kept within a range of voltage of VF due to PN junction by one piece of the four-terminal thyristor 11.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004258547-A (JP)
Title: Fluorescent microscopic system
Inventor: MATSUSHITA AKIRA
IPC: H01S5/0687
Filed: 2003-02-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a microscopic system with which always a bright fluorescent image can be obtained.  <P>SOLUTION: The fluorescent microscopic system which irradiates the fluorescent dye in a sample 4, i.e. a subject for observation, with exciting light through a dichroic mirror 2 and observes the sample 4 by receiving the fluorescence generated by the exciting light is equipped with a semiconductor laser element 1 of a variable wavelength to irradiate the sample 4 with the light, a wavelength control section 8 for variably controlling the wavelength of the light emitted from the element 1 through a temperature control element 7 and a user interface 9 for operating the controlled variable of the section 8 in such a manner that the wavelength of the light emitted from the element 1 attains the value near the maximum value of the absorption wavelength spectra of the fluorescent dye within the fluorescence non-transmission wavelength region of the dichroic mirror 2 and the variable wavelength region of the section 8.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004029722-A (JP)
Title: Optical wavelength division multiplexer
Inventor: HELBING RENE
IPC: G02F1/09
Filed: 2003-03-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical WDM device which is small-sized and has a small number of parts, and does not need a circulator and aligning of the optical parts.  <P>SOLUTION: The integrated optical WDM device has at least one 1st input port I1 and two output ports O1, O2, a dispersion element 28 for spatially separating a polarized component based on the wavelength, and a polarization control component 30 for reflecting the polarized component to an angle of reflection predetermined according to the state, and is characterized in that, when the polarization control element is in the 1st state, one of the polarized component is outputted from the 1st output port, and when the polarization control element is in the 2nd state, at least part of the polarized component is outputted from the 2nd output port. Thus, XXX is solved by the integrated optical WDM device.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004234607-A (JP)
Title: Method for estimating total time required for transmission
Inventor: KIMURA SEIJI
IPC: G06F17/18
Filed: 2003-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for estimating the total time required for carrying a material or transmission of a signal by eliminating probabilistically negligible possibilities.  <P>SOLUTION: A route of propagation is divided into small sections. When the time required for transmission in every small section is independently varied with an upper limit and a lower limit, the probability distribution of the time required for transmission in each small section is assumed as a uniform distribution function, the probability distribution of the total time required for transmission of all sections is calculated by integration, and the collection of the time required for transmission having a probability predetermined to be negligible is eliminated.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004269115-A (JP)
Title: Paper sheet stacking device
Inventor: NAGAI TOMIO
IPC: B65H29/24
Filed: 2003-03-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a paper sheet stacking device assuring good performance of stacking sheets of paper by correcting the trend of folding of a long stretching receipt.  <P>SOLUTION: The paper sheet stacking device is equipped with a stacking part 61 for stacking thereon the long stretching receipts 6a which are fed, a transport belt 64 to touch the oversurface of the receipts 6a fed to the stacking part 61 and transport them toward the innermost in the feed-in direction, a fan 64 to give a negative pressure to each receipt 6a transported by the belt 64 to be sucked fast to the belt 64, a holding arm 72 sucked fast to the belt 64 and holding the leading edge of the receipt 6a transported toward the innermost in the feed-in direction, and a control device 81 which transports the receipt 6a for a certain distance in the reverse direction by operating the belt 64 in the reverse direction after its leading edge is held by the arm 72 and disengages giving the pressure by the fan 65 to the receipt 6a.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004000908-A (JP)
Title: Filtration apparatus and discharging method for filter medium
Inventor: KISHIE NORIAKI
IPC: B01D29/62
Filed: 2003-03-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a low-cost filtration apparatus in which a filter medium can safely be discharged in a short time by simple operation and procedures, and to provide a discharging method of the filter medium.  <P>SOLUTION: The filtration apparatus 1 is equipped with a filter medium feeding slot 10 which can be opened/closed to feed a filter medium 5 and with a raw water feeding port 3 to feed raw water by a raw water feeding pump 12 in the upper part of a filtration apparatus body packed with a granular filter medium 5 and is equipped with a filtrate recovering port 6 to recover the filtrate water obtained by filtering through the filter medium 5 in the lower part of the filtration apparatus body. A filter plate 7 which prevents the filter medium 5 from spilling downward is disposed between the filtrate recovering port 6 and the filter medium 5. The lower part of the contact area of the filtration apparatus body 2 with the filter medium is provided with an opening 9 through which the filter medium with the flow of the raw water fed by the raw water feeding pump 12 can be discharged, with an opening and closing means 9a of the opening 9 and with an open-type discharge guide pipe.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004278831-A (JP)
Title: Cooling device and cooling method for heating element
Inventor: INOUE MASAHIRO
IPC: F25D9/00
Filed: 2003-03-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cooling device for a heating element excellent in the cooling performance, not requiring heat insulation for a fluid influx pipe, excellent in the durability, free of failure in electronic apparatus caused by liquid leak etc., embodied in a small-sized and soundproof structure, and not requiring the maintenance works and provide a cooling method exerting a very large heat absorbing effect around the outlet from a fluid passage, capable of enhancing the cooling effect, and excellent in the producibility and the economy.  <P>SOLUTION: The cooling device of the heating element is equipped with a heat sink having heat conductivity installed on the heating element in such a way as capable of giving and receiving the heat and the passage provided in the heat sink and structured so that gas flows in from its one end and the gas with the pressure decreased is exhausted from the other end.  <P>COPYRIGHT: (C)2005,JPO&NCIPI