baber/WOPTO huggingface dataset:
Patent JP-2002287170-A (JP)
Title: Liquid crystal device
Inventor: TOWLER MICHAEL JOHN
IPC: G02F1/139
Filed: 2002-01-11
Abstract: PROBLEM TO BE SOLVED: To provide a π cell liquid crystal device which improves the luminance and response rate of a device by evading twisting. SOLUTION: This π cell liquid crystal device includes a layer of a nematic liquid crystal material arranged between 1st and 2nd alignment layers; and the 1st and 2nd alignment layers induce adjacent liquid crystal materials to pretilt so that when no electronic field is applied, energy in an H state becomes smaller than energy in a V state and an H state and the energy in the V state is less than the energy un the T state and a driving constitution element selectively applies a 1st electric field where the energy in the V state is smaller than the energy in the H and T states and a 2nd electric field which is smaller than the 1st electric field and where the energy in the H state is smaller than the energy in the V state and T state to at least one area of the layers.
Patent JP-2003215938-A (JP)
Title: Image forming apparatus
Inventor: KAMIYAMA HIDEKI
IPC: G03G15/01
Filed: 2002-01-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus preventing deterioration of the cleaning property due to contamination of a blade cleaning a belt by paper powder without impairing image forming in a simple constitution and at low cost.  <P>SOLUTION: In the image forming apparatus, a paper powder eliminating member 101 eliminating the paper powder on an intermediate transfer belt 10 is provided on an upstream side of a cleaning means 17 in a rotating direction of the intermediate transfer belt 10. The paper powder eliminating member 101 is preferably constituted of a brush roll and it can be applied with bias.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003211046-A (JP)
Title: Sealant coating device and sealant coating method
Inventor: KAMITAKI AKIRA
IPC: B05C5/00
Filed: 2002-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To prevent a defect by a sealant falling and scattering on a substrate pattern surface due to vibrations while a robot travels when applying the sealant to the PDP substrate and forming a sealant pattern.  <P>SOLUTION: In a sealing coating device for applying the sealant 11 housed in a tank 3 to the substrate 2 by a nozzle and forming the sealant pattern 12, the nozzle 1 is provided with a nozzle base 1A and a nozzle projection part 1B projected from the nozzle base 1A in a substrate direction and the outer side wall of the nozzle projection part 1B is inclined by ≥30 degrees and ≤60 degrees to the tip surface 1C of a horizontal plane. The diameter ϕ2 of the tip surface is made to ≥3.0 mm and ≤5.0 mm and a distance D from the nozzle tip surface 1C to the nozzle base 1A is made to ≥1.5 mm and ≤3.0 mm.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003213081-A (JP)
Title: Epoxy resin composition and semiconductor device
Inventor: KIMURA AKIRA
IPC: C08L63/00
Filed: 2002-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide an epoxy resin composition having long pot life and good storage stability, and to provide a semiconductor device using the same.  <P>SOLUTION: This epoxy resin composition essentially comprises (A) an epoxy resin, (B) a phenolic resin, (C) a benzoxazine of the general formula [I] (R<SP>1</SP>is H or methyl; R<SP>2</SP>is a 1-3C alkyl or phenyl; and n is an integer of 0 or ≥1), (D) an amine-based curing promoter and (E) an inorganic filler; wherein the equivalent ratio of the phenolic hydroxy groups in the component B to the epoxy groups in the component A is 1.5-4.0.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003214741-A (JP)
Title: Cold air generating method and apparatus
Inventor: TANAKA MASAYUKI
IPC: F25B9/00
Filed: 2002-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To generate cold air in a compact facility by using cold (latent heat of vaporization) of LNG.  <P>SOLUTION: After raw material air is pressurized to a specified pressure (0.25 MPa) by a compressor 12, the compressed air is introduced into a heat exchanger 16 to be heat-exchanged with LNG (liquefied natural gas), thereby cooling the air to LNG temperature (about -160°C). Subsequently, the air is introduced into an expansion turbine 18 to perform expansion work, thereby further lowering the air temperature (about -185°C).  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003212154-A (JP)
Title: Mounting structure for vehicular hood lock striker
Inventor: CHIRIFU TAKASHI
IPC: B62D25/10
Filed: 2002-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a mounting structure for a vehicular hood lock striker that improves the safety of a vehicle by reliably preventing dislodgment of a reinforcement from a hood frame at a vehicle collision.  <P>SOLUTION: The mounting structure for a hood lock striker has an engine hood 3 comprising a hood skin 1 and the hood frame 2, and a hood lock striker 6 fixed on the engine hood 3. The hood lock striker 6 comprises a striker 4 lockable on a vehicle body, and the reinforcement 5 mounted with the striker 4. The reinforcement is fixed on the hood frame 2 from a vehicle body side. The reinforcement 5 and the hood frame 2 are at least partly fixed with a bolt fastening means 7.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002282699-A (JP)
Title: High activity double metal cyanide complex catalyst
Inventor: LE-KHAC BI
IPC: B01J31/26
Filed: 2002-01-25
Abstract: PROBLEM TO BE SOLVED: To provide a double metal cyanide(DMC) complex catalyst containing a DMC compound, an organic complexing agent, and a metal salt. SOLUTION: The catalyst contains 0.1 mole or below of the metal salt per one mole of the DMC compound and is produced by a method in which (a) a metal cyanide salt and a stoichiometrically excess amount of the metal salt are reacted in the presence of the organic complexing agent to form a catalyst precipitate, and (b) the obtained precipitate is washed with a mixture of water and the organic complexing agent.
Patent JP-2003215192-A (JP)
Title: Inspecting method and inspecting device for display panel
Inventor: TABATA SHIGERU
IPC: G01R31/02
Filed: 2002-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To enhance the rate of detection of defective pixels due to a short circuit between drain-source electrodes of a liquid-crystal display substrate.  <P>SOLUTION: This method is provided with a process for keeping on a write-in source pulse 14 for a fixed period of time and then keeping it off for a fixed period of time and thereafter impressing a source with a source pulse 15 reversely polarized to the source pulse 14 for a TFT (thin-film transistor) being off thereby turning off again the source voltage, and a process for inspecting leakage by measuring the voltage of pixel electrodes during part of the period in which the reversely polarized source pulse 15 for the TFT being off is impressed or during part of the period in which the source voltage is kept off again.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003219335-A (JP)
Title: Operating apparatus for electronic equipment
Inventor: IWASE HIROYUKI
IPC: G06F3/0484
Filed: 2002-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To revise a parameter value to a prescribed initial value with a simple operation in the case of setting the parameter value of an electronic device through the operation of an operating knob.  <P>SOLUTION: A user operates a C1 switch 4 or a C2 switch 5 to assign parameter items to an A1 switch 1 and an A2 switch 2. Every operation of a C3 switch 6 switches items the A1 switch 1 and the A2 switch 2 between 'C1' and 'C2'. While operating a B switch 3, when the user operates the A1 switch or the A2 switch 2, the parameter value is revised into an initial value. While operating the B switch 3, when the user operates the C1 switch 4 or the C2 switch 5, the parameter value of the item 'C1' or that of the item 'C2' is revised into the initial value. When the B switch 3 is strongly operated, the operating state is maintained and the parameter value is revised into a default by other switch after that.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003210987-A (JP)
Title: Method for manufacturing exhaust gas cleaning catalyst
Inventor: MINAMI MITSURU
IPC: B01D53/94
Filed: 2002-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To manufacture an exhaust gas cleaning catalyst capable of suppressing sulfur poisoning and capable of keeping a high NO<SB>x</SB>occluding capacity even after high temperature endurance.  <P>SOLUTION: A noble metal and an NO<SB>x</SB>occluding material are supported on a thin layer 2 comprising TiO<SB>2</SB>fine particles formed by bonding a titanium type coupling agent to the surfaces of basic oxide particles and heating titanium- containing particles. The contact of the NO<SB>x</SB>occluding material and exhaust gas becomes possible even if the NO<SB>x</SB>occluding material enters the thin layer 2 to form a solid solution. Sulfur poisoning is suppressed by the thin layer 2 of TiO<SB>2</SB>being an acidic oxide.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003221471-A (JP)
Title: Rubber composition and method of manufacturing
Inventor: TOTO TAKESHI
IPC: C08K7/10
Filed: 2002-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rubber composition giving a smooth surface of the sheet by forming a blend containing silica as a reinforcing agent by the use of a roll and having good tensile characteristics and reduced exothermic tendency, and its manufacturing method.  <P>SOLUTION: The composition comprises 20-80 parts weight of (A) a conjugated diene rubber of a Mooney viscosity of 70-200 consisting of 40-100 wt.% of conjugated diene units and 0-60 wt.% of aromatic vinyl monomer units 80-20 parts weight of (B) a conjugated diene rubber of a Mooney viscosity of 20-150 consisting of 40-99.8 wt.% of conjugated diene units, 0-59.8 wt.% of aromatic vinyl monomer units and 0.2-20 wt.% of amino-containing monomer units, in a combined content of (A) and (B) of 100 parts weight, with the viscosity of (B) being at least 10 lower than that of (A).  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002324752-A (JP)
Title: Projection optical system manufacturing method and adjusting method, aligner, manufacturing method thereof, device manufacturing method and computer system
Inventor: HAMAYA MASATO
IPC: G03F9/02
Filed: 2002-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a projection optical system manufacturing method which simplifies the manufacturing process to surely attain a target to be attained by an optical apparatus. SOLUTION: The manufacturing method comprises a step 1 of manufacturing optical elements constituting a projection optical system; a step 2 of measuring the surface shape of each optical element; a step 3 of assembling the projection optical system the specification of which is determined, based on target information an optical apparatus has to attain, obtained before or after the steps 1-3, with taking a wavefront aberration the projection optical system has to meet as a standard value; a step 4 of measuring the wavefront aberration of the projection optical system; and a step 5 of adjusting the projection optical system so that the wavefront of this optical system meets the previously determined specification, based on the measurement result of the front aberration.
Patent JP-2003224502-A (JP)
Title: Radio communication system and adaptive antenna
Inventor: ITO KUNIAKI
IPC: H04B7/26
Filed: 2002-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a radio communication system capable of suppressing interference of a radio signal.  <P>SOLUTION: This radio communication system is provided with a first radio base station 2, a smart antenna 3, a device 4 for control and a second radio base station 5. The smart antenna 3 has an array antenna 6 and a smart antenna part 7. The smart antenna part 7 has a weight storing part 11, a beam forming part 12, an RSSI (received signal strength indication) detecting part 13, an input-output part 14, and a smart antenna control part 15. The device 4 for control has a packet receiving power measuring part 21, a weight control part 22 and a packet transmission instructing part 23. In this case, interference with other radio base stations can be reduced because weight information is updated on the basis of radio signals from the other radio base stations using a channel giving interference, such as the same channel and an adjacent channel.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002302317-A (JP)
Title: Paper delivery device for machine processing paper sheets
Inventor: MUTSCHALL STEFAN
IPC: B65H29/04
Filed: 2002-02-06
Abstract: PROBLEM TO BE SOLVED: To minimize length necessary on the downstream side of a pile of delivered paper sheets in a paper delivery device of a printer provided with a conveying chain supporting a gripper device which catches a paper sheet at one place of a gripper traveling passage including a direction changing area near a machine and a direction changing area far from the machine where the gripper device is passed through, and is selectively opened by a first switching member to from a pile, or by a second switching member to draw out each of paper sheets. SOLUTION: The first switching member 24 is simply mounted on a frame of the paper delivery device to minimize length of the paper delivery device while keeping a present position of the paper sheet separated in every drawing- out. On the other hand, the second switching member is mounted on a direction changing rail mechanism 8 of which a position is adjustable to the frame, and which is used as a guide part for defining one region of a route of the gripper traveling passage.
Patent JP-2003234572-A (JP)
Title: Method of manufacturing double-sided wiring board
Inventor: NAITO TOSHIKI
IPC: H05K3/18
Filed: 2002-02-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of manufacturing a double-sided wiring board which can cope with high-density and fine wiring.  <P>SOLUTION: With respect to a substrate material which has a first insulation layer 12 formed on one face of a first conductor layer 11, through-holes 13 which are extended through only the first insulation layer 12 or which are extended through both the first insulation layer 12 and the first conductor layer 11 are formed from prescribed places of the first insulation layer 12. Then, a conductive thin film 14 is formed on the surface of the first insulation layer 12 and on the wall faces of the through-holes 13, and a second insulation layer 15 is formed at prescribed places on the conductive thin film layer 14. On parts of the conductive thin film layer 14, where the second insulation layer 15 is not formed, a first conductor interconnection 16 is formed by electrolytic plating. The first conductor interconnection 16 is coated with a film 17, having a chemical resistant properties. By chemical dissolution of prescribed parts of the other face of the first conductor layer 11 with a chemical, a second conductor interconnection 18 is formed, and the second insulation layer 5 and the film 17 are removed.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003232812-A (JP)
Title: Waveform measuring device
Inventor: INOUE SEIJI
IPC: G01R13/20
Filed: 2002-02-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inexpensive waveform measuring device suitable for being carried.  <P>SOLUTION: This device is equipped with probes 5, 9, 13, 17 into which an electric signal is inputted, a card 3 connected to the probes 5, 9, 13, 17, for performing waveform processing of the electric signal following a desired set condition, and electronic equipment 2 connected to the card 3 and having at least a display part 38. The display part 38 displays the waveform of the electric signal, and the card 3 is constituted mountably on/dismountably from the electronic equipment 2. The electronic equipment is a portable personal computer.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003156322-A (JP)
Title: Method and apparatus for position measurement, positioning method, aligner as well as method of manufacturing microdevice
Inventor: KIDA YOSHIKI
IPC: G01B21/00
Filed: 2002-02-12
Abstract: PROBLEM TO BE SOLVED: To provide a method and an apparatus for a position measurement where a throughput can be enhanced, to provide a positioning method and an aligner, and to provide a method of manufacturing a microdevice. SOLUTION: The position measuring apparatus comprises a process (S14), in which the position of a wafer is measured in the upper part of a reference position used to arrange the wafer and in which a first deviation amount as a relative deviation amount of the wafer, with reference to the reference position is found, a process (S16) in which the position of the wafer is adjusted on the basis of the first deviation amount, a process (S18) in which the position-adjusted wafer is arranged in the reference position and a process (S20), in which the position of the wafer arranged in the reference position is measured and in which a second deviation amount as the deviation amount of the wafer, with reference to the reference position is found.
Patent JP-2002267819-A (JP)
Title: Optically transparent film
Inventor: COBB JR SANFORD
IPC: F21Y101/00
Filed: 2002-02-14
Abstract: PROBLEM TO BE SOLVED: To provide an optically transparent film which controls the characteristic of an outputted light beam. SOLUTION: The optically transparent film has a first and a second surfaces. The first surface has a structure of the form of a plurality of triangular prisms on the surface, each prism has an apex angle, and some of the apexes are different from other apexes. In another optically transparent film, a first surface has a structure of a plurality of triangular prisms and a second surface includes a means which changes the form of a region which is irradiated with the light beam which passes through the film.
Patent JP-2003236368-A (JP)
Title: Rotary type heat exchanger
Inventor: FUJIKAWA YUICHI
IPC: B01J19/00
Filed: 2002-02-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rotary type heat exchanger of which the heating efficiency is prevented from lowering by heating the entire heat exchange chamber with vapor.  <P>SOLUTION: A vapor supply passage 5 is connected to a jacket 3 through a rotary joint 4. A condensate storage parts 8 and 9 are attached to the ends of the jacket 3. The jacket 3 and the condensate storage parts 8 and 9 are connected through condensate introducing pipes 10 and 11 and check valves 12 and 13. Condensate discharge passages 6 and 7 are arranged at the condensate storage parts 8 and 9 and are connected to the rotary joint 4. A steam ejector 16 is connected to a condensate discharge passage 14 through a valve 21. The condensate generated in the jacket 3 flows down and is collected in the downward condensate storage part 8 and discharged out of a system from the condensate discharge passage 14 through the condensate discharge passage 6 and the rotary joint 4 when the storage part 8 is positioned upward by rotary movement.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003240342-A (JP)
Title: Heat pump type hot water supply system
Inventor: TOMITA MASAO
IPC: F24H1/00
Filed: 2002-02-18
Abstract: <P>PROBLEM TO BE SOLVED: To use medium-temperature hot water produced for use as a heat source, stored in a hot water storage tank, and having inferior efficiency in being boiled in a heat pump circuit, for hot water supply.  <P>SOLUTION: A second hot water delivery port 33 and a second hot water delivery pipe 35 for making the medium-temperature hot water flow out are provided in a position higher than a medium-temperature hot water return port 22 of the hot water storage tank 16 and lower than a first hot water delivery port 13 in the upper end of the hot water storage tank 16. A second mixing valve 34 for mixing the medium-temperature hot water from the second hot water deliver pipe 35 is provided on the way to a first hot water delivery pipe 12 between a first mixing valve 27 and the first hot water delivery port, which mix high-temperature hot water passing from the first hot water delivery port 13 with low-temperature water from a feed pipe 14 to an appropriate hot water supply set temperature. This system is made to feed hot water in such a manner that the high temperature hot water from the first hot water delivery port 13 and the medium-temperature hot water from the second hot water delivery port 33 are mixed together into a temperature of the appropriate hot water supply set temperature or more by the second mixing valve 34, and the hot water of the appropriate hot water supply set temperature or more mixed by the second mixing valve 34 and the low temperature water from the feed pipe 14 are mixed together into the appropriate hot water supply set temperature by the first mixing valve 27.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003239896-A (JP)
Title: Electric blower
Inventor: HAYATSU MAMORU
IPC: F04D29/08
Filed: 2002-02-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electric blower of high blower efficiency which secures stably high sealing performance to prevent circulating flow in a blower part.  <P>SOLUTION: This electric blower is provided with a blower fan 8 including a front surface shroud 81 having a suction opening 81a formed thereon, a back surface shroud 82 apart from and facing to the front surface shroud 81, and a plurality of blades 83 arranged between the front surface shroud 81 and the back surface shroud 81 radially in a plane and dividing space between the shrouds, a guide vane 9 guiding air flow discharged from the blower fan 8 to a motor part, and a fan cover 10 covering the blower fan 8 and the guide vane 9, having a suction opening 10a provided at a position opposing to the suction opening 81a and having a seal member 11 keeping slide contact with the suction opening 81a of the front surface shroud 81 provided on the suction opening. An annular member 12 is provided adjacent to the suction opening 81a of the front surface shroud 81 and the annular member 12 is fixedly caulked together with the front surface shroud 81.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002286726-A (JP)
Title: Analyzer using disposable reaction container
Inventor: UCHIDA HIROYASU
IPC: G01N35/02
Filed: 2002-02-19
Abstract: PROBLEM TO BE SOLVED: To provide an analyzer capable of making the whole analyzer small by shortening the carrying range of a reaction container. SOLUTION: Virgin reaction containers are placed on a vessel magazine 276 in a matrix shape, and virgin nozzle chips are placed on a chip magazine 272 in a matrix shape. A carrying mechanism 200 moving a grip mechanism 251 in the X direction and in the Y direction grips the virgin nozzle chip in order from the chip magazine 272 and transfers to a chip connection station. The carrying mechanism 200 grips the virgin reaction container on the vessel magazine 276 from the top in the first line in order and transfers to a dispensation station. A dispensation mechanism 100 connects the nozzle chip placed on the chip connection station 162 to a nozzle holder, and a specimen and a reagent are added to the reaction container on the dispensation station 164.
Patent JP-2003243196-A (JP)
Title: Electronic instrument
Inventor: SHIMIZU KENZO
IPC: H05B41/24
Filed: 2002-02-20
Abstract: <P>PROBLEM TO BE SOLVED: To prevent electrodes in an electronic instrument having a discharge lamp from being worn to stably light the discharge lamp.  <P>SOLUTION: The electronic instrument is equipped with a DC-DC converter 2A, a drive circuit connected to an output side of the DC-DC converter 2A and a discharge lamp 1 connected to an output side of the drive circuit. The drive circuit has an ignitor trigger voltage generating circuit 2B, a polarity changing-over circuit 4 and an ignitor provided in order from the side of the DC-DC converter 2A toward the discharge lamp 1, a circuit 35 for detecting reduction of the output voltage from the DC-DC converter 2A is provided between the DC-DC converter 2A and the ignitor 15, and changing-over of opening and closing is conducted as to 2 switching elements Q1, Q3 on a front stage side among 4 switching elements Q1-Q4 making up the polarity changing-over circuit 4 by the circuit 35 for detecting reduction of the output voltage.  <P>COPYRIGHT: (C)2003,JPO