baber/WOPTO huggingface dataset:
Patent JP-2003275784-A (JP)
Title: Biological treatment method and biological treatment device
Inventor: RAJIV GOEL
IPC: C02F3/12
Filed: 2002-03-22
Abstract: <P>PROBLEM TO BE SOLVED: To effectively reduce the volume of sludge produced in the biological treatment of organic waste water.  <P>SOLUTION: The biological treatment sludge is digested in a digesting tank 4 and then solubilized in an ozone treatment tank 3 and the modified sludge is returned to a biological treatment tank 1. The digested sludge is separated from the liquid and solubilized, and the modified sludge is returned to the digestion tank and to the biological treatment tank.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003276177-A (JP)
Title: Image recorder
Inventor: IIDA TAKAYUKI
IPC: G06F3/12
Filed: 2002-03-22
Abstract: <P>PROBLEM TO BE SOLVED: To efficiently continue recording when a recording section is damaged in an image recorder having a plurality of recording sections.  <P>SOLUTION: First to sixth recording sections 14-19 are provided on a print stage 13. Before an image piece is recorded by each of the recording sections 14-19, a test pattern is recorded on a blank between the pieces. The test pattern is read by a defective head detecting section 20 and it is judged whether or not the head is damaged based on defective dots corresponding to respective nozzles. When there is the damaged head, the head is not used and the rest of the image is recorded by a speed-priority mode or a recording material- priority mode. In the speed-priority mode, the recording is performed in a condition that a non-recorded area by the damaged head is left so that the speed is prioritized. In the recording material-priority mode, the non-recorded area by the damaged head is recorded by the other substitutional head so that the non-recorded area is not left.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003281768-A (JP)
Title: Optical head device
Inventor: MIYASAKA KATSUMI
IPC: G11B7/125
Filed: 2002-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical head device which can suppress an undesired radiation level by suppressing a deformation in reducing the superimposed level of a high frequency component superimposed to driving current for a laser beam source.  <P>SOLUTION: The driving circuit 7 of the optical head device has a high frequency superimposed circuit 8 including a high frequency superimposed IC 80 superimposing the high frequency component to the driving current, a resistor R<SB>aadj</SB>for fixing a superimposed level which controls the operation of the high frequency superimposed IC 80, and a resistor R<SB>fadj</SB>for fixing a frequency which controls the operation of the high frequency superimposed IC 80. Moreover, in the high frequency superimposed circuit 8, a fixation by the resistor R<SB>aadj</SB>for fixing a superimposed level is left as it is, and a capacitor C<SB>2</SB>for reducing the superimposed level for the reduction of the superimposed level of the high frequency component is electrically connected between a power source line and a ground.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003282418-A (JP)
Title: Structural member for exposure device
Inventor: OKUDA KATSUMI
IPC: H01L21/027
Filed: 2002-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a high-performance and high-quality structural member for exposure device which prevents the crack or separation of an antistatic layer, thus enables the thick coating of an antistatic material, and is improved in flatness by polishing the surface of the coating.  <P>SOLUTION: The structural member for exposure device has an arrangement in which an amorphous silicon layer is formed on a substrate. The amorphous silicon layer is formed by a catalytic CVD method to permit the internal tensile stress of the layer to be 250 MPa or lower.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003283455-A (JP)
Title: Ofdm receiver, semiconductor integrated circuit for receiving ofdm signal, and ofdm reception method
Inventor: NISHIKAWA MASAKI
IPC: H04J11/00
Filed: 2002-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an OFDM receiver, a semiconductor integrated circuit for receiving an OFDM signal, and an OFDM reception method for eliminating adjacent channel interference so as to reduce the power consumption.  <P>SOLUTION: The OFDM receiver is provided with: a signal conversion means 5 for converting an OFDM modulation signal into an in-phase component and a quadrature component on the basis of channel selection information; a down- sampling means 6 for a down-sampling means 6 for selectively applying frequency conversion to an outputted signal from the means 5 into two different sampling frequencies; and a selection information extract means 8 for supplying selection information required to select either of the two sampling frequencies to the down-sampling means 6. The selection information extract means 8 is provided with a sampling frequency selection section 30, and the down-sampling means 6 is provided with: a first decimeter 31; a second decimeter 32; and a signal selection section 33. The signal selection section 33 selects either of output signals from the first and second decimeters 31 and 32 on the basis of the selection information from the sampling frequency selection section 30.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003098061-A (JP)
Title: Scanning lorentz force probe microscope and information recording/reproducing device using it
Inventor: MAJIMA YUTAKA
IPC: G11B5/02
Filed: 2002-03-26
Abstract: PROBLEM TO BE SOLVED: To obtain the magnetic field distribution or the magnetic flux density distribution of a sample's surface without using magnetic substance in a scanning probe microscope and its application device. SOLUTION: A probe allowable for a current flow, arranged on the opposite side of the sample's surface, is fixed to the free terminal of a cantilever. The magnetic flux density distribution of the sample's surface is obtained by applying an alternating current to the probe and detecting the oscillation of the cantilever resulted from the Lorentz force acted with the magnetic flux of the sample's surface.
Patent JP-2003283367-A (JP)
Title: Interrogation system
Inventor: FUNAKUBO KAZUO
IPC: H04B5/02
Filed: 2002-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To enlarge the region in which communication is possible by an interrogator (reader/writer) without causing interference, omission of detection and slowdown of the processing speed.  <P>SOLUTION: The interrogation system performs radio communication of the same signals by several interrogators with a moving responding device (IC card) 1. Several interrogators 4A-4C are provided in such a way that the regions in which communication is possible by antennas 6A-6C are overlapping for enlarging the region in which communication is possible. By synchronizing the transmission/reception by the antennas of the interrogators, interference such as reception by an interrogator of signals transmitted by another interrogator can be prevented.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003289624-A (JP)
Title: Power-monitoring/controlling system
Inventor: SAKOU NAOHIRO
IPC: H02J3/00
Filed: 2002-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a power-monitoring/controlling system which avoids troubles in a system by predicting the state after controlling a breaker, etc., provided in the power system, and then informing an operator of it.  <P>SOLUTION: The electric changes that occur, when controlling, to components in the power system, is performed under instruction are analyzed and predicted.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003285089-A (JP)
Title: Removal method for phosphorus component in wastewater
Inventor: HAYASHI HIROTADA
IPC: C02F1/58
Filed: 2002-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To effectively use a dephosphorization material used as a filler.  <P>SOLUTION: In a method for removing a phosphorous component from wastewater containing the phosphorous component using an apparatus comprising a biological reaction tank 1, a sedimentation tank 2 and a packed column 3 packed with a dephosphorization material 5, the dephosphorization material 5 after used is ground to be charged in the biological reaction tank 1.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003288738-A (JP)
Title: Recording medium, data recording method, and data reading method
Inventor: MATSUMOTO TAKAHIRO
IPC: G11B7/004
Filed: 2002-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To overcome the drawback of a magneto-optical recording medium or an optical recording medium, wherein the drawback being a problem that the medium requires a comparatively high power in the recording data, while the medium can record data at a high recording density.  <P>SOLUTION: A semiconductor nanocrystal having neutral defects or negatively-charged defects on a surface, and such a size that wave function density of excited electrons is increased at the surface is used as a recording material.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003294716-A (JP)
Title: Inspection method of turbine
Inventor: ASAI KUNIO
IPC: G01N27/84
Filed: 2002-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To improve the operation efficiency when an embedding position of a turbine blade into a rotor is inspected.  <P>SOLUTION: An assembling position of a turbine blade and a rotor of a turbine in which a plurality of removable blades are provided in multistage to the rotor is inspected by an echography 2. When a defect is detected from the defect information obtained by the echography 2, all blades are removed from the rotor and sampling inspection 5 thereof is performed. When no defect is detected from the defect information obtained by the echography 2, random sampling 6 in which some blades are removed from the rotor is performed. The assembling position of the turbine blade and the rotor exposed by the random sampling 6 is inspected using a method having a low defect detection limit such as magnetic particle inspection, liquid penetrant inspection or a replica method.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003286053-A (JP)
Title: Method and apparatus for recovering potassium chloride
Inventor: YAMAMOTO YASUSHI
IPC: C01D3/04
Filed: 2002-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and an apparatus for recovering potassium chloride, by which high-purity potassium chloride can be recovered effectively from the exhaust gas from a cement burning apparatus.  <P>SOLUTION: This potassium chloride recovering method is used for recovering potassium chloride by extracting a part of the exhaust gas from the cement burning apparatus 100. A potassium source of the amount corresponding to the chloride content of a material to be used in the apparatus 100 is thrown in the apparatus 100 to improve the purity of the potassium chloride to be recovered.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2002371105-A (JP)
Title: Composite colorant polymer particle
Inventor: WANG XIAORU
IPC: C08F2/44
Filed: 2002-03-29
Abstract: PROBLEM TO BE SOLVED: To obtain an improved composite colorant polymer particle for ink-jet printing. SOLUTION: This composite colorant polymer particle has a colorant phase and a polymer phase. The polymer phase of the particle is formed in the presence of the colorant in situ. The dispersion of composite colorant polymer particle is stable, not flocculating for up to 20 minutes when a dispersion containing the particle is added to acetone at a 1% by weight concentration to give the composite colorant polymer particle.
Patent JP-2003298470-A (JP)
Title: Correlation peak searching method, correlation peak searching apparatus, and program for controlling searching apparatus
Inventor: IIDA IZUMI
IPC: H04B1/707
Filed: 2002-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a correlation peak searching method, a correlation peak searching apparatus, and a program for controlling searching apparatus for controlling a searching interval of correlation peaks on the basis of reception quality of a received signal so as to be able to reduce power consumed at searching.  <P>SOLUTION: A receiver 1 is configured to include: the correlation peak searching apparatus 10; an analog/digital converter 11; an LPF (Low Pass Filter) 12; a correlation unit 13; a replica spread code generating section 14; a synchronization tracing section 15; a demodulation processing section 16; and an error correction section 17, the correlation peak searching apparatus 10 is configured to include: a system clock supply section 10a; a matched filter 10b; a correlation peak detection section 10c; a reception quality discrimination section 10d; and a searching interval control section 10e, and the searching interval control section 10e controls a searching interval of the correlation peaks on the basis of a result of discrimination of the reception quality by the reception quality discrimination section 10d to reduce the power consumption of the receiver.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2002307909-A (JP)
Title: Radial tire for vehicle
Inventor: SAI SHUMEI
IPC: B60C9/00
Filed: 2002-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a radial tire for a vehicle with improved fatigue performance and form stability. SOLUTION: A lyocell cord having 4.0 g/d-5.5 g/d, dry strength S1, a 3.0 g/d-4.5 g/d wet strength S2, 1.2-1.6 dry/wet strength ratio S1/S2, a high- temperature tensile strength equivalent to 80% or more of a tensile strength S4 at ordinary temperature, and the shrinkage percentage E of less than 1%, is applied to a carcass part.
Patent JP-2003291334-A (JP)
Title: Ink jet recorder and method for driving recording head in ink jet recorder
Inventor: MATSUMOTO KEIJI
IPC: B41J2/055
Filed: 2002-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide an ink jet recorder in which print quality can be enhanced furthermore by controlling the quantity of ink being ejected by one shot from the nozzle opening of a recording head to be equalized substantially.  <P>SOLUTION: A driving signal generating circuit 85 for supplying a driving signal to the piezoelectric oscillator 25 in a recording head 8 is mounted on a print control means 64. The driving signal generating circuit 85 is provided with driving information of each ink from a driving information storage means 86. Consequently, the piezoelectric oscillator 25 is provided with a driving signal such that ink ejection by one shot is substantially equalized depending on respective inks.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003106755-A (JP)
Title: Refrigerator
Inventor: TAKAHASHI YASUYUKI
IPC: F25D23/00
Filed: 2002-03-29
Abstract: PROBLEM TO BE SOLVED: To appropriately control a refrigerator with an ultraviolet lamp and a photo-deodorizing filter for performing the sterilization and deodorization. SOLUTION: The refrigerator comprises the lamp for irradiating ultraviolet rays to a cold air duct and irradiating visible light inside the refrigerator, the photocatalyst filter mounted inside the duct for receiving the ultraviolet rays, a fan for forming an air curtain when a door of a refrigerator compartment is opened, a control device for lighting the lamp when the door of the refrigerator compartment is opened, and a lamp lighting condition display means for displaying the lighting condition of the lamp to the outside of the refrigerator.
Patent JP-2003303969-A (JP)
Title: Thin film transistor, its manufacturing method, and active matrix display comprising thin film transistor
Inventor: TSUJIMURA TAKATOSHI
IPC: H01L29/786
Filed: 2002-04-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a thin film transistor having a high mobility in which aging of the threshold value is improved, its fabricating method, and an active matrix display comprising the thin film transistor.  <P>SOLUTION: The thin film transistor comprises an insulating film 12 formed on a substrate 10, semiconductor layers 16a and 16b formed on an insulating film 14, a gate electrode 18, a source electrode 20 connected with the semiconductor layers, and a drain electrode 22 wherein the semiconductor layers 16a and 16b are formed such that electronic affinity decreases as they approach the insulating film 14 along the thickness direction thereof.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003299377-A (JP)
Title: Control device for rotating electric machine
Inventor: MAEDA SHOICHI
IPC: H02P6/06
Filed: 2002-04-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a control device for a rotating electric machine, which is capable of attaining cost reduction without causing errors in a PWM comparison signal even if a carrier frequency changes, and is applicable to vehicles.  <P>SOLUTION: This control device for feeding power to the rotating electric machine by switching a power device comprises a controller for computing a current command value based on a torque command value and computing a carrier frequency command value based on a rotor frequency, a triangular wave generation circuit, a comparator for comparing the current command value to the value of an output triangular wave of the triangular wave generation circuit, and an inverter main circuit driven by an output signal of the comparator including the power device. The triangular wave generation circuit makes the amplitude of the triangular wave constant corresponding to the carrier frequency command value to change the carrier frequency of the output triangular wave by changing an up or down gradient.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003295722-A (JP)
Title: Image forming device
Inventor: ITO HIROSHI
IPC: G03G21/10
Filed: 2002-04-01
Abstract: <P>PROBLEM TO BE SOLVED: To prevent scraped toner from being leaked out.  <P>SOLUTION: A cleaning device 70 for removing remaining toner remaining on the surface of a toner image carrier 51 for carrying the toner image on its surface and transferring the toner image to a transfer target after transferring the toner image by the carrier 51, is provided with a sheet member 80 constituted so as to be abutted/separated on/from the surface of the carrier 51 and capable of permitting the passage of toner through the abutting part when the member 80 is abutted on the surface of the carrier 51, a cleaning blade 90 constituted so as to be abutted/separated on/from the surface of the carrier 51 and capable of removing remaining toner by allowing a corner part 93 of two adjacent faces to abut on the surface of the carrier 51 in the counter direction from the moving direction of the blade 90 when the blade 90 is abutted on the surface of the carrier 51 and a shielding mechanism 100 for closing an aperture c between the cleaning blade 90 and the sheet member 80 by the member 80 when the blade 90 and the member 80 are separated from the surface of the carrier 51.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003292641-A (JP)
Title: Film made of biodegradable resin
Inventor: MURATA MINORU
IPC: C08K5/20
Filed: 2002-04-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a film made of a biodegradable resin which does not tear in spreading and tensioning and in use when used as a sheet for the insect fumigation of wood and an agricultural multipurpose film, furthermore has heat resistance to excel in moldability in film molding, and has no problem of take-up properties and in leaving sheets in a superposed state when formed into the sheets of a specified size.  <P>SOLUTION: The film made of a biodegradable resin is obtained by adding 0.1-10 pts.wt. inorganic filler and 0.01-1 pt.wt. fatty acid amide to the biodegradable resin, has a tensile elongation at break of 400-1,200%, an Elmendorf tear strength of ≥200 N/cm, and a coefficient of kinetic friction between the films of 0.1-0.7.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003289762-A (JP)
Title: Rod body and method for producing the same
Inventor: YAMATO YOSHIRO
IPC: A01K87/00
Filed: 2002-04-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rod body of an interline rod from which water apt to be gathered at the inside of the rod body, can easily be dischargeable.  <P>SOLUTION: This middle rod 3 is a tapered tubular member, and has a tubular main body 31 and fishing line-supporting projections 32 provided on the inner circumferential surface of the main body 31. The fishing line-supporting projections 32 are formed continuously as spiral state in axial direction on the inner circumferential surface of the main body part 31, and formed as one unit with the main body part 31. Also, a groove 33 continuously extending as recessed state in axial direction is formed on the inner circumferential surface of the middle rod 3.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003297323-A (JP)
Title: Safety device for secondary battery
Inventor: AZEMA TADAMITSU
IPC: H01M2/12
Filed: 2002-04-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a safety device for a secondary battery, capable of lessening an installation space of two safety valves for high pressure and low pressure.  <P>SOLUTION: A thin and flat part 16 is composed by forming a ring-shaped recessed groove 17 in a battery lid 12 to thin the thickness of the battery lid 12, and the inside region of the ring-shaped thin and flat part 16 is set as a first region. A thin and flat part 18 is composed by forming a ring-shaped recessed groove 19 in the first region to thin the thickness of the battery lid 12, and the inside region of the ring-shaped thin and flat part 18 is set as a second region. At least either one of the thin and flat part 16 or the thin and flat part 18 is cleaved in response to a pressure change in the inside of the battery to discharge inside gas to the outside.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003291374-A (JP)
Title: Inkjet printer and its maintenance method
Inventor: KASUGAYA TOMOAKI
IPC: B41J2/185
Filed: 2002-04-05
Abstract: <P>PROBLEM TO BE SOLVED: To improve the maintenability of a printing head of an inkjet printer and to solve printing defects due to clogging of nozzles by surely removing foreign article and bubbles generated in nozzles.  <P>SOLUTION: A structure for changing a sectional shape of a fluid channel in a cap is set in the cap of the inkjet printer. A flow velocity fluctuation of a fluid is generated near the nozzles to make a suction force of each nozzle larger than that of the other nozzles sequentially. A suction force intensity adjuster for making the suction force large or small for sucking ink in the nozzle is constituted in a capping.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003300410-A (JP)
Title: Vehicle air conditioner
Inventor: FUJII KOUJI
IPC: F24F11/02
Filed: 2002-04-09
Abstract: <P>PROBLEM TO BE SOLVED: To reduce cost by eliminating the need for a clip although a temperature sensor 5 for detecting the temperature of air conditioning air is fixed to an evaporator 3 using the clip conventionally.  <P>SOLUTION: A U shaped retaining part 122 for clamping the temperature sensor is formed on a partition plate forming a part of a case forming a passage 11 for the air conditioning air.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003304629-A (JP)
Title: Structure for cooling marine cable landed portion
Inventor: MOCHIZUKI MASATAKA
IPC: H02G9/02
Filed: 2002-04-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a structure for cooling a marine cable landed portion, capable of efficiently cooling an electrical heating element, such as a marine cable, at a low cost.  <P>SOLUTION: In a cooling system 1 for the marine cable landed portion, that cools the heat of a power cable 2 landed from water by dissipating heat into an air, a sheathing material 8, that sucks the water by capillarity is arranged therein with one end immerged in the water and another end laid along the landed power cable 2, and the material 8, is buried along the power cable 2 in the vicinity of the cable 2. The side end of the heating part 5 of a heat pipe 4, the side end of the radiation part 7 of which is exposed to the air, is buried in the vicinity of the power cable 2 laid along the cable 2.  <P>COPYRIGHT: (C)2004,JPO