baber/WOPTO huggingface dataset:
Patent JP-2004064563-A (JP)
Title: Digital signal processing/receiving system
Inventor: OKADA HIROKI
IPC: H04B1/69
Filed: 2002-07-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a digital signal processing/receiving system which can keep high communication performance by selectively extracting desired code contents even when a disturbance wave is present in a signal reception range.  <P>SOLUTION: A DSP tuner 70 having an A/D converter 72 and a digital signal processor 74 is provided to each of receivers 18, 44 of a vehicle-mounted device and a portable device forming a vehicle-mounted device remote control system. The A/D converter 72 quantizes an analog receive signal received at reception antennas 22, 48 and converts it to a digital value. The digital signal processor 74 removes as clock noise a frequency band that always appears and has substantially no spectrum variations in a predetermined period, uses a frequency band that has a relatively large spectrum variation as an FSK modulation signal according to the code contents, and outputs binary data according to the frequency band as a code signal.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004061427-A (JP)
Title: Base sequencing analysis chip and base sequencing analysis system
Inventor: OUCHI SHINICHI
IPC: G01N27/327
Filed: 2002-07-31
Abstract: <P>PROBLEM TO BE SOLVED: To automatically detect and analyze a base sequence with high precision.  <P>SOLUTION: A base sequencing analysis system comprises: a plurality of detection poles 201 formed on a substrate 11 and immobilizing a complementary DNA probe to a target base sequence which is a detection object; a plurality of standard reference poles 204 formed on the substrate 11 and not immobilizing a probe having a complementary base sequence to the target base sequence; a potential stud 702 for measuring an electrochemical signal of the plurality of the detection poles 201 or the standard reference poles 204; a current and voltage conversion circuit 703; an A/D converter 704; a peak extraction circuit 705; a differentiator 710 formed on the substrate 11 and subtracting the peak extraction value of the standard reference pole 204 from the peak extraction value of the peak extraction circuit 705; and a decode/control circuit 701 for simultaneously controlling measurement by the potential stud 702 to the detection pole 201 and the standard reference pole 204 and controlling substraction of the differentiator 710 on the basis of a signal from the outside of the substrate 11.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004060039-A (JP)
Title: Method for producing superlow core loss grain oriented silicon steel sheet
Inventor: YAMAGUCHI HIROSHI
IPC: C23C16/34
Filed: 2002-07-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method by which, on the deposition of a film by a chemical vapor deposition method, problems on the feed of a reaction gas required for the film deposition from a slit nozzle can advantageously be solved, and a superlow core loss grain oriented silicon steel can be produced.  <P>SOLUTION: The surface of a grain oriented silicon steel sheet subjected to final finish annealing and having no forsterite film on the surface is fed with a reaction gas via a slit nozzle, and a film is deposed thereon by chemical vapor deposition treatment. In this case, the linear velocity v of the reaction gas is controlled to ≥1 cm/s, and also, as for the distance d between the opening of the slit nozzle and the surface of the steel sheet and the spraying angle θ of the reaction gas to the surface of the steel sheet, v×sinθ/d≥0.5(s<SP>-1</SP>) is satisfied.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004066460-A (JP)
Title: Printer
Inventor: FUKUSHIMA MICHIO
IPC: B41J29/38
Filed: 2002-08-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a printer having such a function as information at a desired time can be received readily by taking in and printing out an electronic document at an actual time just as preset by means of a network printer connected with the Internet.  <P>SOLUTION: A printer connected with a computer network and printing an image takes in an electronic writing at a desired time from a desired address on the computer network and prints out the electronic writing. When a plurality of desired addresses are present, electronic writing taken in from a plurality of addresses is printed out collectively. The printer connected with a computer network is provided with a means for setting a time when a desired home page address on the computer network is read out.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004071733-A (JP)
Title: Semiconductor device and its manufacturing method
Inventor: UMEBAYASHI HIROSHI
IPC: H01L21/8242
Filed: 2002-08-05
Abstract: <P>PROBLEM TO BE SOLVED: To reduce a size of cells of a DRAM section while keeping a data holding performance as it is, and to stabilize transistor characteristics by extending an effective channel length of a transistor in the DRAM section to suppress a short channel effect.  <P>SOLUTION: A semiconductor device comprises a trench capacitor 5 formed in a semiconductor substrate 11, and a transistor 3 which is connected to the trench capacitor 5 and has its other parts than the joint parts with the trench capacitor 5 which are formed in a transistor formation region 16 isolated by an element isolation region 15. The transistor 3 is embedded in a gate trench 31 so formed as to traverses the transistor formation region 16 via a gate insulation film 32, and is provided with a gate electrode 33 extended over the element isolation region 15, a channel diffusion layer 34 formed in the semiconductor substrate 11 under the bottom of the gate trench 31, and diffusion layers 35, 36, and 37 formed in the transistor formation region 16 on both sides of the gate trench 31. The diffusion layers 35 and 37 are connected to an electrode 56 formed in a trench of the trench capacitor 5.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004072864-A (JP)
Title: Power conversion device
Inventor: NORO YASUHIRO
IPC: H02J3/18
Filed: 2002-08-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a power conversion device capable of reducing generated harmonics at low cost while reducing switching loss.  <P>SOLUTION: This power conversion device includes at least two inverters having different capacities and capacitors connected to DC side of each of the inverters. At least the first inverter of the two inverters has a larger capacity than the second inverter, operates on an operating frequency equal to a system frequency, and is connected to a system through a transformer for a converter. The second inverter has a smaller capacity, operates synchronously with the first inverter at a higher frequency than the system frequency, and is connected to the transformer for the converter through a transformer for addition provided between the transformer for the converter and the first inverter.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003193929-A (JP)
Title: Fuel filter manufacturing method
Inventor: YAMADA KATSUHISA
IPC: F02M37/50
Filed: 2002-08-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel filter manufacturing method capable of easily forming a filter body having a coarse layer and a dense layer in an arbitrary shape.  <P>SOLUTION: A fuel filter 40 comprises a core member 41 and a filter body 50, and surrounds the outer circumference of a pump body, and is disposed on a fuel flow-in side of the pump body. Suction holes to pass the fuel are formed in a cylindrical part 43 and a bottom part 44 of the core member 41. The filter body 50 comprises an inner filter 51 on the fuel flow-out side close to the cylindrical part 43 and the bottom part 44, and an outer filter 52 formed on the outer side of the inner filter 51 and located on the fuel flow-in side. The void diameter of the outer filter 52 is larger than that of the inner filter 51. Both filters are integrated with each other when aqueous solution with fibers dissolved therein is sucked.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004065196-A (JP)
Title: Mineral composition produced by using seawater
Inventor: SHIBATA HIROSHI
IPC: A23L27/40
Filed: 2002-08-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a composition containing seawater mineral components having health-promoting effect such as magnesium and calcium and having decreased sodium content to enable the application to food products and provide food products and drinks products useful for the prevention of circulatory diseases and life-style related diseases by processing the composition.  <P>SOLUTION: The composition containing seawater mineral components is produced by the electrodialysis of seawater and has a sodium concentration of ≤6 mg/L measured in the form of an aqueous solution having a hardness of 100 (EDTA method).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004077357-A (JP)
Title: Gas turbine air compressor vane surface crack detection method and device
Inventor: MATSUMOTO TERUAKI
IPC: G01N29/24
Filed: 2002-08-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a gas turbine air compressor vane surface crack detection method and a device which can detect a fine crack from a bottom part of a corrosion pit.  <P>SOLUTION: An array-type corrosion probe 10 for vane surface detection and a flaw detection device 30 which changes respective oscillation timing of a plurality of oscillator elements constituting the array-type corrosion probe 10 are provided. The result detected from the corrosion probe 10 is displayed on a CRT 50, in two-dimensional time and scan position, in which the focal point is scanned at the same incident angle. The array-type corrosion probe 10 is electrically operated so that the focal point of an oscillated ultrasonic wave is formed on the vane surface of a part to be inspected. The scanning flaw detection is performed so that the focal point is in the array-type corrosion probe and along the vane surface, at the same incident angle.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004080587-A (JP)
Title: Television signal recording and reproducing apparatus and method therefor
Inventor: ESUMI KENJI
IPC: G11B27/00
Filed: 2002-08-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a television signal recording and reproducing apparatus in which thumbnail images of all programs are displayed within a picture of a program information list and processing time until display is shortened.  <P>SOLUTION: The television signal recording and reproducing apparatus is provided with a recording and reproducing part 4, a control unit 21, a thumbnail generating part 51 for generating a thumbnail image from a first picture of each program in digital video signals read out of the recording and reproducing part 4, and a thumbnail composing part 52 for compositing a thumbnail list picture from the thumbnail images of programs. The recording and reproducing part 4 internally has a thumbnail list area 42; and the control unit 21 generates the thumbnail image in the thumbnail generating part 51 each time a digital video signal of each program is written in the recording and reproducing part 4, composites the thumbnail list picture in the thumbnail composing part 52 from the thumbnail images of the programs, and stores the thumbnail list picture in the thumbnail list area 42.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004088169-A (JP)
Title: Image display
Inventor: KOBAYASHI NAOKI
IPC: G09G3/20
Filed: 2002-08-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image display which accurately and quickly corrects the distortion of an image projected on a screen.  <P>SOLUTION: The display comprises a means for projecting a projective image on a projecting plane, a two-dimensional PSD for receiving reflected lights from a plurality of light points on the image projected on the projecting plane, a position detector circuit for detecting the positions of the plurality of light points, and a control means for detecting and correcting the distortion of the image projected on the projecting plane by the image projecting means, based on the positions of the plurality of light points detected by the position detector circuit.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004086708-A (JP)
Title: Image processing system and its method
Inventor: WATABE RYOJI
IPC: H04N1/32
Filed: 2002-08-28
Abstract: <P>PROBLEM TO BE SOLVED: To perform image processing by using data read out from a semiconductor chip capable of reading out stored data in a non-contact state.  <P>SOLUTION: An image forming device is provided with an IC chip IF 28 arranged in the vicinity of original platen 182 on which original sheets 40 are to be stacked, and under the condition where the original sheets 40 are set on the original platen 182, data are read out from IC chips 3 attached to one or more original sheets 40 set on the original platen 182 and picture data read out from the original sheets 40 are processed by using the data read out from the IC chips 3.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004084610-A (JP)
Title: Water pump
Inventor: KOGA YOJIRO
IPC: F04D29/046
Filed: 2002-08-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a water chamber for a water pump with a simple construction at low costs.  <P>SOLUTION: The water pump 10 is provided with a pulley 20, a shaft 25 integrally rotating with the pulley 20, an impeller 30 integrally rotating with the shaft 25, a body 12 in which the impeller 30 is arranged in one end side, a bearing 14 arranged between the body 12 and the pulley 20 and rotatably supporting the pulley 20, and a mechanical seal 50 sealing a gap between the impeller 30 and the bearing 14. The body 14 is formed by aluminum casting or resin molding, and a lid part 12a forming the water chamber 95 for storing a rotor 14 in one end side is formed.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004093599-A (JP)
Title: Image forming apparatus and circuit board
Inventor: KODERA NOBUYUKI
IPC: G06K15/00
Filed: 2002-08-29
Abstract: <P>PROBLEM TO BE SOLVED: To facilitate development to an enhancement in performance and function of a system in an image forming apparatus for forming an image on a recording medium.  <P>SOLUTION: The image forming apparatus 1 is divided into a detachable module such as an IOT module 2 and an output module 7. The image forming apparatus has a circuit architecture separately handling a main module circuit including a master control part controlling a whole and a plurality of sub-module circuits including a slave control part controlled with the master control part in accordance with each functional part of the inside of the apparatus 1. Each module circuit comprises CPU 100 incorporating a common operation system, and an I/O part 200 taking an interface with a functional operation part operating in response to each function part. CPU 100 and the I/O part 200 are detachable daughter boards on a mother board. Main/sub relation is changed over with a circuit attribute changeover control part 150.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004092038-A (JP)
Title: Spray method for forming wooden chip concrete layer
Inventor: SUGIMOTO HIDEO
IPC: C04B103/44
Filed: 2002-08-29
Abstract: <P>PROBLEM TO BE SOLVED: To prevent material separation of a material including cement and wooden chips and prevent a concrete layer from being formed on a soil slope face at the back face.  <P>SOLUTION: In the spray method of forming the wooden chip concrete layer, at first, by mixing a cement paste including wooden chips and cement, a spray material is prepared. To prepare the spray material, a thickening agent is added to a concrete mixer (step 101) before agitation mixing or during the agitation mixing. Next, the prepared spray material is transferred to a shotcrete machine by a belt conveyor and fed to the shotcrete machine (step 102). Next, the spray material 1 is sprayed onto a slope face 3 (step 103). By spraying the spray material 1 onto the slope face 3, the wooden chip concrete layer 6 with voids among the wooden chips 4 is formed on the slope face 3 (step 104).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004095689-A (JP)
Title: Wafer heater
Inventor: UCHIYAMA KYOJI
IPC: H01L21/027
Filed: 2002-08-29
Abstract: <P>PROBLEM TO BE SOLVED: To accelerate the operation by increasing the area of a heat receiving surface 23a of a thermostat 23 and to prevent the generation of a cool spot by extending the distance from a ceramic substrate 2.  <P>SOLUTION: A wafer heater is provided with a wafer mounting surface which is one main surface of a ceramic substrate, a resistance heating body arranged on the other main surface or the inside of the ceramic substrate, a temperature measuring means for measuring the temperature of the ceramic substrate, and a feeding part for supplying power to the resistance heating body. A thermostat for detecting overheat is arranged separated from the ceramic substrate, and the area of the heat receiving surface of the thermostat is set to 50-500mm<SP>2</SP>.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004093750-A (JP)
Title: Optical switch
Inventor: NISHINO TOSHIHARU
IPC: G02F1/13
Filed: 2002-08-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical switch with which a traveling route of an optical signal is accurately and stably switched just as it is with a simple structure without converting the optical signal into an electric signal.  <P>SOLUTION: A first liquid crystal device LA1 which is constructed by arranging a homogeneous type first liquid crystal element 1 and a second liquid crystal element 2 with respective alignment directions of liquid crystal molecules mutually perpendicularly intersecting and which imparts definite retardation to transmitted light irrespective of temperature and a second liquid crystal device LA2 which is constructed by arranging a similarly homogeneous type first liquid crystal element 3 and a second liquid crystal element 4 similarly with respective alignment directions of liquid crystal molecules mutually perpendicularly intersecting are arranged in parallel. A first beam splitter 5 to split incident light Ri into polarized light components R1, R2 with their plane of polarization mutually perpendicularly intersecting and a first reflection mirror 6 are arranged on the incident side of the incident light Ri. A second beam splitter 7 to combine the polarized light components R1, R2, forming outgoing light Ro and emit it to a specified direction and a second reflection mirror 8 are arranged on the outgoing side emitting the outgoing light Ro.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004095426-A (JP)
Title: Negative electrode and positive electrode for lithium secondary battery and lithium secondary battery
Inventor: SAWAI TAKEHIKO
IPC: H01M4/36
Filed: 2002-09-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a negative electrode and a positive electrode for a lithium secondary battery having a long life and high safety as well as achieving high capacity, and the lithium secondary battery using the negative electrode and the positive electrode.  <P>SOLUTION: A carbon material usable as the negative electrode for the lithium secondary battery has, as a main component, graphite particles formed by gathering or combining a plurality of particles, each of which has a specific surface area of 0.5-2m<SP>2</SP>/g, a total pore volume of 0.4-2.0ml/g in a range of 10<SP>1</SP>-10<SP>5</SP>nm, tap density of 0.5-1.2g/cm<SP>3</SP>, and a flat shape, so that their oriented surfaces are not in parallel with each other. The positive electrode material comprises lithium-contained metallic oxide particles obtained by mixing metallic oxide particles having a particle diameter of 7-12μm for D<SB>50</SB>and metallic oxide particles having a particle diameter of 4-5μm for D<SB>50</SB>.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004094040-A (JP)
Title: Method for generating data of linguistic teaching materials
Inventor: HASEGAWA HIROYUKI
IPC: G10L13/047
Filed: 2002-09-02
Abstract: <P>PROBLEM TO BE SOLVED: To generate data such as that only contents which are truly necessary for a user can be heard repetitively by the user as voice easily and to provide the data to the user.  <P>SOLUTION: In this method, data of linguistic teaching materials are generated by a step (S12) for receiving phrase indication data which direct required phrases which are to be extracted by a user from the user side, a step (S13) for fetching out voice data of respective phrases which are indicated by the phrase indication data from among the voice data of a plurality of phrases provided in a voice database 11 and a step (S14) for generating the data of linguistic materials by the voice data of the respective fetched phrases.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004091298-A (JP)
Title: Apparatus and method for recovering sulfur hexafluoride gas
Inventor: WATANABE SHINJI
IPC: F25J1/00
Filed: 2002-09-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a system and method where an SF6 gas can be easily recovered by adopting a recovering means and method to efficiently transport the gas in a liquified state to a final disposal facility.  <P>SOLUTION: A circulation system is formed, which comprises a liquefaction means of a sulfur hexafluoride gas, a liquefied sulfur hexafluoride recovering vessel, an exhausting means to exhaust a mixed gas of air with the sulfur hexafluoride gas resident in an upper part of the recovering vessel, a measuring means placed at the exhausting means to measure the air content in the exhausted mixed gas, a pressure adjusting means controlled on the basis of the air content measured with the measuring means, and a membrane separating means to separate a part of air from the exhausted mixed gas. A feeding means to feed the air-mixed sulfur hexafluoride gas is connected to the circulation system, and liquefied sulfur hexafluoride is recovered from the liquefied sulfur hexafluoride recovering vessel.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003175429-A (JP)
Title: Two-dimensional positioning device
Inventor: ONISHI KAZUMASA
IPC: B23Q1/26
Filed: 2002-09-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a two-dimensional positioning device having long life and capable of facilitating maintenance and inspection.  <P>SOLUTION: The two-dimensional positioning device is formed by an article support table 21, a first frame 22a provided adjacent to the outside of one opposite side of the table, a first direct action rod 24a fixed at one end to the frame 22, a first rod direct action driving mechanism 27a connected to the other end of the direct action rod, a second frame 22b provided adjacent to the outside of the other opposite side of the table, a second direct action rod 24b fixed at one end to the second frame, a second rod direct action driving mechanism 27b connected to the other end of the second direct action rod, and a Langevin type vibrator 30 fixed on the base through a strut 28, and formed by bolting a piezoelectric vibrator 33 sandwiched between an upper metal member 34a and a lower metal member 34b.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003181221-A (JP)
Title: Method for manufacturing filter member
Inventor: OKURA MICHITAKA
IPC: B01D39/00
Filed: 2002-09-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a filter for oil-water separation of fuel to be used for a burner of an oil combusting apparatus.  <P>SOLUTION: A synthetic resin having water repelling property is used as a material of the filter for separation of oil and water. The synthetic resin is prepared in a powder state and controlled to 30 to 50 μm particle size only. The synthetic resin powder as prepared is supplied to a mold produced to form an oil-water separation filter having specified thickness, kept at the temperature to molecularly polymerize the synthetic resin powder on the contact faces for a specified time to form one body, and then released from the mold. The obtained filter for oil-water separation has uniform vacancies as the filtering space formed by the particles of the powder having 30 to 50 μm particle size and has both of the function of separating oil from water and a function of filtering.  <P>COPYRIGHT: (C)2003,JPO