baber/WOPTO huggingface dataset:
Patent JP-2002350760-A (JP)
Title: Optical scanner and image forming device
Inventor: SUZUKI SEIZO
IPC: G02B13/08
Filed: 2001-05-23
Abstract: PROBLEM TO BE SOLVED: To reduce the fluctuation of a spot diameter caused by the fluctuation of temperature and the fluctuation of interval between scanning lines in the case of multibeam scanning by positively utilizing the unevenness of temperature in the housing of an optical scanner. SOLUTION: This optical scanner is provided with a 1st optical system for coupling divergent luminous flux from a light source, a 2nd optical system by which the coupled luminous flux is formed into an image as a line image long in a main scanning direction on the deflection and reflection surface of a light deflector, and a 3rd optical system by which the luminous flux deflected by the light deflector 4 is condensed as a light spot on a surface to be scanned. The 3rd optical system 6 is provided with one or more resin lenses 6a and 6b having positive power in the main scanning direction and/or a subscanning direction, and the 2nd optical system 3 has a resin lens 3a having negative power so as to reduce the fluctuation of power of the 3rd optical system caused by temperature change.  The optical scanner is provided with temperature distribution forming means 1 and 4 forming temperature distribution so that the temperature change of an atmosphere in the vicinity of the 1st optical system: ΔT1, the temperature change of an atmosphere in the vicinity of the 2nd optical system: ΔT2, and the temperature change of an atmosphere in the vicinity of the 3rd optical system: ΔT3 satisfy a condition: ΔT1>ΔT3 and/or ΔT2>ΔT3 inside housing.
Patent JP-2002346511-A (JP)
Title: Garbage disposer
Inventor: ISHIDA ATSUHIRO
IPC: C05F9/02
Filed: 2001-05-24
Abstract: PROBLEM TO BE SOLVED: To provide a garbage disposer which is manufacturable at a low cost, small in size, easily maintainable, and easily repairable when damaged. SOLUTION: A fermenter 1 is constructed by using a wall panel 30 in which or in the outside of which a hot water circulation pipe 32 is provided. Then the garbage in the fermenter 1 is directly heated by heat generation of the wall panel 30 by circulation of the hot water, which is generated in a hot water heat source machine 10, in the hot water circulation pipes 32. In the case of a part of the fermenter 1 (wall panels 30) being damaged, only a damaged wall panel is changed or repaired.
Patent JP-2002042516-A (JP)
Title: Ellipsoidal headlight correcting beam by moving its optical elements
Inventor: BLUSSEAU ERIC
IPC: F21Y101/00
Filed: 2001-05-24
Abstract: PROBLEM TO BE SOLVED: To provide a ellipsoidal headlight with well controlled movable optical elements capable of correcting the shape of a beam. SOLUTION: The headlight for vehicles comprises a reflector 20 which has two focal areas, a light source 10 which is placed on one of the focal areas and condenses the reflected light beams on the another area and a lens 40 which converts the condensed light rays into a beam for lighting a road. The headlight of this invention also comprises a means to move the light source 10 selectively for the reflector 20.
Patent JP-2002353712-A (JP)
Title: System for monitoring surrounding of vehicle
Inventor: KODAMA KATSUHISA
IPC: B60R1/12
Filed: 2001-05-24
Abstract: PROBLEM TO BE SOLVED: To provide a system for monitoring surrounding of a vehicle where an angle of an antenna built in a door mirror can be varied so as to prevent the door mirror surface due to a contact between the antenna and the door mirror from being damaged. SOLUTION: A drive section built in the door mirror drives a transmission antenna 2 that is mounted in the inside of the door mirror of the vehicle and emits a transmission wave via the mirror surface of the door mirror and a reception antenna 3 that receives a reflection wave from an object in existence around the vehicle through the mirror surface of the door mirror. Further, the transmission antenna and the reception antenna are fixed to a support section 15 supporting the mirror surface of the door mirror, the support section is connected to the drive section by a connection section 14 and turned around the connection section 14 horizontally and vertically so as to turn the transmission antenna 2 and the reception antenna 3 around the connection section vertically and horizontally.  Further, the support section of the door mirror surface, the transmission antenna 2 and the reception antenna 3 are integrally formed.
Patent JP-2002355204-A (JP)
Title: Traveling vacuum cleaner
Inventor: FUKUSHIMA MASAKAZU
IPC: A47L9/28
Filed: 2001-05-31
Abstract: PROBLEM TO BE SOLVED: To provide a traveling vacuum cleaner which has basic functions to cover a cleaning area as fast as possible and improve dust collecting efficiency. SOLUTION: This traveling vacuum cleaner is equipped with a suction part 3 to suck dust, the cleaner body 1 with an electric blower 6 to generate sucking wind inside, drive wheels 8 to move the cleaner body 1, a drive motor 9 to drive the drive wheels 8, a drive means 14 to control motion of the drive motor 9, and a dust detecting means 22 to detect dust sucked by the suction part 3. The detecting sensitivity of the dust detecting means 22 is changed during traveling. Optimum cleaning work is executed corresponding to existence of dust.
Patent JP-2002366007-A (JP)
Title: Process cartridge, its manufacturing method and image forming device
Inventor: ARAKI RYUJI
IPC: G03G15/08
Filed: 2001-06-04
Abstract: PROBLEM TO BE SOLVED: To provide a process cartridge easily recycled and capable of forming a high-quality image, and its manufacturing method. SOLUTION: In this process cartridge in which a developing sleeve 4b-2 is composed of a recycled product, an SD roller 4e-2 dedicated to recycling for setting the relative positions of the sleeve 4b-2 and a photoreceptor drum is assembled corresponding to a dimensional difference between when the developing sleeve is constituted of the recycled product (4b-2) and when it is composed of a new product (4b-1).
Patent JP-2002368641-A (JP)
Title: Matching circuit, wireless module provided with the matching circuit and radio communication unit
Inventor: IGUCHI KAZUTAKA
IPC: H04B1/40
Filed: 2001-06-04
Abstract: PROBLEM TO BE SOLVED: To provide a matching circuit, that reduces unbalanced mode transmission waves induced in a transmission line, so as to avoid the adverse effects from being given to circuits at both ends of the transmission line, thereby enhancing the transmission quality. SOLUTION: A parallel matching circuit 50 is inserted between two wires of a balanced transmission line 30 for interconnecting an intermediate frequency amplifier 15a and an intermediate frequency amplifier 15b of a radio module and a series resonance circuit 60 comprising a resistive element 61, and a reactance element 62 is connected between the voltage neutral point and the ground terminal of the parallel matching circuit 50.  Then a reactance Xp of the series resonance circuit 60 is selected to be the value for fully reducing counter ground impedance in the unbalance mode at a frequency of a disturbing wave, so as to bypass unbalanced mode current induced by the disturbing waves to the ground terminal via the resistive element 61 and the reactance element 62 of the series resonance circuit 60 and consume the unbalanced mode current by a loss rp of the resistive element 61, at the same time.
Patent JP-2002361230-A (JP)
Title: Water purifier with lead content displaying part
Inventor: MIZUNO MOTOSHIGE
IPC: G01N27/49
Filed: 2001-06-06
Abstract: PROBLEM TO BE SOLVED: To provide a water purifier with a lead content displaying part which can confirm performance of the water purifier by content (concentration) of lead ions or lead particles contained in a purified liquid purified by making a raw liquid pass inside a filter. SOLUTION: The water purifier 300 has an accommodating chamber 210 for accommodating the filter 100 for purifying the raw liquid, an introducing pipe 201 communicating with an intake port 104 and an efferent pipe 202 for leading out the purified liquid 102 taken out of an output port 105 to the outside. The water purifier with the lead content displaying part is characterized by being provided with a display part which detects and displays content (concentration) of lead ions or lead particles contained in the purified liquid at a prescribed position of the efferent pipe 202 and displays content (concentration) of lead ions or lead particles or safety degree.
Patent JP-2002365128-A (JP)
Title: Thermal sensor, and manufacturing method therefor
Inventor: WADA HIDEO
IPC: G01J1/02
Filed: 2001-06-06
Abstract: PROBLEM TO BE SOLVED: To reduce a thermal conductance and a heat capacity in heat insulation structure. SOLUTION: This sensor is provided with a silicon substrate 1 formed with a main circuit, the heat insulation structure 2 arranged in an upper part of the silicon substrate 1 via a cavity, and a support leg 3 for supporting the heat insulation structure 2 in the upper part of the silicon substrate 1.  The heat insulation structure 2 includes a heat detecting circuit for detecting a temperature elevation by an infrared ray irradiating the structure 2, the support leg 3 includes a wiring for transmitting a detection signal from the heat detecting circuit to the main circuit, an insulating film comprising only one layer is formed on the wiring of the leg 3, an unnecessary layered part of the insulation structure 2 formed on the silicon substrate 1 is removed, and an unnecessary layered part in the support leg 3 for supporting the insulation structure 2 on the substrate is avoided from being left.
Patent JP-2002368584-A (JP)
Title: Digital filter and digital video encoder using the same
Inventor: HOSOI NAOKI
IPC: H04N5/20
Filed: 2001-06-06
Abstract: PROBLEM TO BE SOLVED: To provide a digital filter and a digital video encoder with which the number of gates is reduced, a degree of freedom in layout and a maximum operating frequency are increased as a result, an area per chip is reduced and yield is improved. SOLUTION: A prestage filter part 2 for outputting a signal S2, while setting the number of taps is set to a value, with which sharpness at close region to a cutoff frequency can be made smooth, within a range not to generate pass band ripples and setting a coefficient h(n) and a total sum thereof to a value which is the square of '2', is cascade-connected with a post-stage filter part 3 for generating and outputting a signal SOUT having characteristics such as its pass band is flattened without ripples and the neighborhood of a cutoff frequency fc is sharpened, while setting the number of taps to a prescribed value with which a smooth part in the pass band of the signal S2 can be held up and characteristics at close region to the cutoff frequency fc can be corrected to become sharp, and setting the coefficient h(n) and a total sum thereof to a value which is the square of '2'.
Patent JP-2002371489-A (JP)
Title: Web pressure device
Inventor: FUKUTOME HIROMI
IPC: D21F3/02
Filed: 2001-06-07
Abstract: PROBLEM TO BE SOLVED: To provide a web pressure device in a paper manufacturing machine, suitable for use in dehydrating web under pressure and designed to easily and surely attach/detach a blanket to/from a support without folding the end of the blanket. SOLUTION: This web pressure device works as follows: a web 45 is allowed to travel between a cylindrical blanket 135 mounted on a support 31 and a press roll 43 and pressurized by the aid of both the blanket 135 and the press roll 43. This pressurizer includes a blanket fixing means 1 functioning to fix the blanket 135 onto a flange rotary member 134 equipped rotatably on the end of the support 31 in a condition of holding the end of the blanket 135 nearly circularly; wherein the means 1 presses the blanket 135 by the aid of a guide ring 156 in contact with the outer circumferential face of the end of the blanket 135 and a pressure ring in contact with the inner circumferential face of the end of the blanket 135.
Patent JP-2002105896-A (JP)
Title: Hardened article
Inventor: MATSUNO KICHIYA
IPC: D21H17/01
Filed: 2001-06-11
Abstract: PROBLEM TO BE SOLVED: To provide a hardened article for which the presence of abnormalities can visually be confirmed. SOLUTION: This hardened form 1 comprising an inorganic noncrystalline matter and a fibrous matter is such as to be provided with a transparent coating layer 6 on the surface thereof. Since the coating layer 6 is transparent, whether abnormalities such as cracks are developed on the surface of the hardened form 1 can be confirmed prior to setting up the hardened form 1 as a flooring material.
Patent JP-2002367147-A (JP)
Title: Magnetic recording medium
Inventor: KUROSE SHIGEO
IPC: G11B5/702
Filed: 2001-06-11
Abstract: PROBLEM TO BE SOLVED: To provide a high density magnetic recording medium realizing desired thinness and flatness of a base film and having excellent electromagnetic transducing characteristics without damaging dropout characteristics and error rate characteristics. SOLUTION: The magnetic recording medium has a magnetic layer having <=0.30 μm film thickness on one surface of a non-magnetic substrate and a back coating layer on the other surface of the non-magnetic substrate. Ferromagnetic metal powder having <=0.15 μm average major axis length is contained in the magnetic layer. The non-magnetic substrate consists of a laminated resin film comprising polyester, polyamide or aromatic polyamide. The three-dimensional central face average roughness SRaM and the three-dimensional ten-point average toughness SRzM of the surface layer (M layer) on the magnetic layer side of the laminated resin film satisfy the relations expressed by following formulae 0.5 nm<SRaM<=7.0 nm and SRzM<=80 nm, respectively.  The three-dimensional central face average roughness SRaB and the three-dimensional ten-point average roughness SRzB of the surface layer (B layer) on the back coating layer side of the laminated resin film satisfy the relations expressed by following formulae 5.0 nm<=SRaB<=10.0 nm, SRzB<=100 nm and SRaM< SRaB.
Patent JP-2002360051-A (JP)
Title: Auger device for combine harvester
Inventor: KADOWAKI TAKASHI
IPC: A01F12/46
Filed: 2001-06-11
Abstract: PROBLEM TO BE SOLVED: To effect greater freedom of setting a sensor for detecting both the loading and unloading positions of an auger device and cut the man-hour for adjusting the sensor in its setting and maintenance. SOLUTION: This auger device 22 is equipped with a horizontal cylinder 26 turnably supported together with a vertical cylinder 24 and freely movable between its loading and unloading positions, and a loading limit switch 32 and a turning stop switch 34 for detecting the loading and unloading positions of the horizontal cylinder 26 respectively, wherein these loading limit switch 32 and turning stop switch 34 are vertically disposed in close proximity to each other along the vertical cylinder 24, specifically, the limit switch 32 having a sensor bar 32a with large displacement in detection is disposed at the upper position, while the turning stop switch 34 having a sensor bar 34a with small displacement in detection at the lower position, thereby preventing the ON- actuation point of the detective sensor from being varied.
Patent JP-2002367377-A (JP)
Title: Static ram
Inventor: YOKOZEKI WATARU
IPC: G11C11/419
Filed: 2001-06-12
Abstract: PROBLEM TO BE SOLVED: To provide a SRAM having a dummy circuit in which power consumption is less and a control signal can be generated with optimum timing. SOLUTION: In a static RAM having a memory cell array (10) having memory cells MC arranged at intersection positions of word lines WL and bit lines BL, BLX and a sense amplifier amplifying voltage of the bit lines, the RAM has dummy memory cells DMC selected at the time of selecting a word line. Dummy bit lines DBL, DBLX connected to the dummy memory cells, a timing signal generating circuit (30) generating a timing control signal responding to potential variation of the dummy bit lines, and a dummy memory cell selecting circuit (32) selecting the dummy memory cell being common to the word line group responding to selection of the word line in word line groups having a plurality of word lines.
Patent JP-2002368269-A (JP)
Title: Nitride semiconductor device and manufacturing method therefor
Inventor: OTA HIROYUKI
IPC: H01S5/343
Filed: 2001-06-12
Abstract: PROBLEM TO BE SOLVED: To provide a nitride semiconductor device which is capable of improving the current-voltage characteristics of a leakage current that flows, when a reverse voltage is applied. SOLUTION: A nitride semiconductor device is equipped with an active layer 6 of a III nitride semiconductor, a barrier layer 7 which is located adjacent to the active layer 6 and formed of material having a band gap larger than that of the active layer 6, and an embedded layer 51 formed by filling a hole formed at a position so as to surround a through dislocation in the active layer 6 with the same material as the barrier layer 7, and at least either of two semiconductor layers adjacent to each other at the bottom of the embedded layer has impurity density range of 1E16/cc to 1E17/cc.
Patent JP-2002373667-A (JP)
Title: Polymer electrolyte fuel cell and manufacturing method of the same
Inventor: OBARA HIDEO
IPC: H01M8/02
Filed: 2001-06-13
Abstract: PROBLEM TO BE SOLVED: To reduce cost by manufacturing a separator plate of a polymer electrolyte fuel cell through injection molding of a specific resin. SOLUTION: The polymer electrolyte fuel cell comprises a hydrogen ion conducting polymer electrolyte membrane, a pair of electrodes arranged on opposite surfaces of the membrane, and a pair of conductive separators having gas passages for supplying and exhausting one electrode with and of fuel gas and supplying and exhausting the other with and of oxidizer gas, and the conductive separators are a structure, having a polymer of long-chain diamine represented by general formula 1 and a conducting agent, in which formula 1 is an integer of 5 or greater and m is an integer of 100 or greater, showing a polymerization degree.  A manufacturing method of the polymer electrolyte fuel cell comprises a mixing process for raw materials, having the polymer of long-chain diamine and the conducting agent, a hardening process of hardening the raw materials, and an injecting process of injection-molding the raw materials or hardened mixture.
Patent JP-2003001305-A (JP)
Title: Production method for seamless steel pipe
Inventor: SHIMODA KAZUMUNE
IPC: B21B19/04
Filed: 2001-06-13
Abstract: PROBLEM TO BE SOLVED: To provide a production method for a seamless steel pipe which controls Mannesmann destruction and circumferential shearing strain and produces a product having less inner roll marks with a high productivity. SOLUTION: A plug as shown in Fig. 3 is used, in which each dimension, at least d, R, L1, L2 and L3 satisfies the following (1)-(3). (1) 0.12<=d/D<=0.35, (2) 0.020<=(d/2BD)/(R/L3)<=0.046, (3) 3d>=L1+L2>=0.5d.
Patent JP-2002091473-A (JP)
Title: Information processor
Inventor: TETSUMOTO HIDEO
IPC: G10L21/10
Filed: 2001-06-13
Abstract: PROBLEM TO BE SOLVED: To prevent the omission of information expressed according to the size of characters or the like when voicing home page information. SOLUTION: A call accepting means 1a accepts a call by a telephone set 3 from a user. A voice recognizing means 1b recognizes the voice of a user transmitted from the telephone set 3. When it is recognized that access to a prescribed home page is requested by a voice recognizing means 1b, a home page information acquiring means 1c acquires the corresponding home page information. A text information extracting means 1d extracts text information included in the home page information by block units. An attribute information extracting means 1e extracts the attribute information of each block extracted by the text information extracting means 1d. A voicing order deciding means 1f decides the order of voicing of each block according to the attribute information of each block extracted by the attribute information extracting means 1e.  A voicing means 1g voices the text included in each block based on the decided result of the voicing order deciding means 1f.
Patent JP-2002374029-A (JP)
Title: Multibeam semiconductor laser device
Inventor: YABUKI YOSHIBUMI
IPC: H01S5/022
Filed: 2001-06-15
Abstract: PROBLEM TO BE SOLVED: To provide a multibeam semiconductor laser device, which can be produced easily, is provided with a configuration for easy diversification and further can be applied to a GaN semiconductor laser device. SOLUTION: A multibeam semiconductor laser device 10 is composed of semiconductor laser elements 12A and 12B and a submount 14 for mounting the semiconductor laser elements. Each of semiconductor laser elements is provided with a laser stripe 18 on a mesa 16 and has a p-side electrode 20, on a ridge stripe and an n-side electrode 22 on a contact layer by the side of the mesa. A submount is provided with a first junction electrode 24 to be bonded with the p-side electrode 20, while being mutually electrically insulated and a second junction electrode 26 to be bonded with the n-side electrode 22 on a jointing surface 14a with the semiconductor laser elements. The first junction electrode 24 and the second junction electrode 26 are formed from an Al wiring layer and a solder layer.  The multi-beam semiconductor laser element provided with a plurality of laser stripes can be formed by bonding the p-side electrode and the first junction electrode, bonding the n-side electrode and the second junction electrode and mounting the semiconductor laser elements on the submount by a junction-down system.
Patent JP-2003007508-A (JP)
Title: Negative characteristic thermistor
Inventor: OMURA KINGO
IPC: H01C7/04
Filed: 2001-06-18
Abstract: PROBLEM TO BE SOLVED: To provide a negative characteristic thermistor which is equipped with a lower electrode of Ag as a main component and an upper electrode of Ni or Ni alloy formed on the lower electrode, capable of restraining the Ag electrode from being eroded, and improved in solderability. SOLUTION: Electrodes, one is a lower electrode of Ag and the other is a latticed upper electrode of Ni or Ni alloy formed on the lower electrode, are provided to a thermistor element having negative temperature characteristics of resistance, and a lead wire is fixed to the upper electrode with solder whose main component is Sn.
Patent JP-2003001404-A (JP)
Title: Method for casting cast iron-made molded product
Inventor: KODAMA HARUKI
IPC: C21D5/00
Filed: 2001-06-19
Abstract: PROBLEM TO BE SOLVED: To obtain a cast iron-made molded product having good workability even in the case of performing a casting work by using a metallic mold, such as centrifugal casting method. SOLUTION: In the case of performing the casting work with the centrifugal casting method, cooling rate when the cast iron temperature is passed through an A1 transformation point by lowering the temperature of a cylindrical sleeve SV (the cast iron-made molded product), is set to 30-200 deg.C/min. For making the cooling rate into this range, e.g. at the point of time when the molten metal temperature is lowered and reached to the lower temperature than an eutectic point, the molded cylindrical sleeve SV is preferably taken out from the cylindrical metallic mold 16.
Patent JP-2003007253-A (JP)
Title: Connected fluorescent lamp and method for fixedly holding gap in the connected fluorescent lamp
Inventor: TSUCHIYA SOJI
IPC: H01J61/92
Filed: 2001-06-25
Abstract: PROBLEM TO BE SOLVED: To provide a connected fluorescent lamp that safely and simply holds a gap between connected substantially circular multiple fluorescent tubes with a holding tool. SOLUTION: The connected fluorescent lamp 1 comprises the connected substantially circular multiple fluorescent tubes 2. The holding tools 4 for fixedly holding the gap 3 between the multiple fluorescent tubes 2 are formed from a shape memory effect rubber molding.