baber/WOPTO huggingface dataset:
Patent JP-2004286246-A (JP)
Title: Parallel flow heat exchanger for heat pump
Inventor: SHIMIZU TSUTOMU
IPC: F25B39/00
Filed: 2003-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a parallel flow heat exchanger capable of providing appropriate refrigerant distribution as a condenser and as an evaporator, and a sufficient exchange heat quantity when the parallel flow heat exchanger is applied to a heat pump.  <P>SOLUTION: By setting the inside cross section of an upper header pipe 1b 1.4 times larger than that of a lower header pipe 1a, the pressure loss of the header pipe 1b used as a refrigerant vapor exit is set equal to that of the header pipe 1a used as a liquid refrigerant entrance when this parallel flow heat exchanger for the heat pump is used as an evaporator; and the static pressure difference between the upper and lower headers is set to a nearly constant value at any position of a porous flat branch pipe, and as a result, the refrigerant distribution is uniformized, and a sufficient exchange heat quantity is provided. In addition, the pressure loss of the header pipe 1b used as the refrigerant vapor exit can be reduced, so that the compressor entrance pressure of the heat pump is increased, and as a result, the coefficient of the performance of the heat pump is improved.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004287099-A (JP)
Title: Method and apparatus for singing synthesis, program, recording medium, and robot device
Inventor: KOBAYASHI KENICHIRO
IPC: A63H5/00
Filed: 2003-03-20
Abstract: <P>PROBLEM TO BE SOLVED: To synthesize singing by utilizing playing data such as MIDI data.  <P>SOLUTION: Inputted playing data are analyzed as musical sound information on the pitch and length of a sound and lyrics (S2, S3). An object track for lyrics is selected from the analyzed musical sound information (S5), musical notes to which a singing sound is allocated is selected from the track (S6), and the note length is varied to match singing (S7); and voice quality matching the singing is selected according to a track name/sequence name, etc.(S8) to generate singing data(S9) and singing is generated based upon the singing data (S11).  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004288325-A (JP)
Title: Compound non-magnetic particle powder for non-magnetic underlayer of magnetic recording medium and magnetic recording medium
Inventor: ISHITANI SEIJI
IPC: G11B5/70
Filed: 2003-03-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide compound non-magnetic particle powder for a non-magnetic under layer of a magnetic recording medium having a small volume mean particle diameter and excellent dispersibility in a vehicle and to provide a magnetic recording medium which is excellent in surface smoothness and strength and has reduced dropouts even when the non-magnetic underlayer is made thin.  <P>SOLUTION: The compound non-magnetic particle powder for the non-magnetic underlayer of the magnetic recording medium consists of a compound non-magnetic particle powder formed by sticking carbon black to the surfaces of the particles of hematite particle powder or hydrous iron oxide particle powder and the carbon black is pretreated with a pigment derivative. The magnetic recording medium is formed by using the composite non-magnetic particle powder for the non-magnetic underlayer.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004285980-A (JP)
Title: Water pump for cooling engine
Inventor: OSHITA TORU
IPC: F01D5/00
Filed: 2003-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To heighten reliability of strength for mounting an impeller to a rotary shaft while avoiding increase in costs in a water pump for cooling an engine, wherein the impeller accommodated in the pump housing installed in an engine body is mounted to an end of the rotary shaft rotatably journaled by the pump housing.  <P>SOLUTION: A fit indentation part 142 fitted with an end of a rotary shaft 140 having a straight outer periphery along an axial direction at a portion at least on an impeller 141 side is installed at a center part of the impeller 141, and a bolt 143 inserted in the central part of the impeller 141 is coaxially screwed with an end of the rotary shaft 140 under a condition that it is fitted with the fit indentation part 142.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004293443-A (JP)
Title: Fluid discharge pumping device
Inventor: MASUDA KATSUTOSHI
IPC: F04B9/02
Filed: 2003-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fluid discharge pumping device capable of discharging fluid stored in a cylinder to the outside of the cylinder by a predetermined amount even with a simple constitution having the low manufacturing cost.  <P>SOLUTION: The fluid discharge pumping device 1 is equipped with a cylinder 10 which is equipped with an inflow port 11 to flow the fluid in, an outflow port 12 to flow the fluid out, a piston moving part 13 wherein the piston 21 can reciprocate, and an insert port 14 for a piston member to insert the piston member 20, the piston member 20 which can reciprocate by driving of a motor drive mechanism 60, and an outflow valve mechanism 40 attached to the outflow port 12. The cylinder 10 is detachably supported by a control part 70, and the piston member 20 is detachably connected to the motor drive mechanism 60 through a piston support member 65.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004296374-A (JP)
Title: Fuel cell system
Inventor: INO TAKASHI
IPC: H01M8/04
Filed: 2003-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To supply a proper amount of oxygen to a fuel cell even when the performance of the fuel cell is deteriorated, or a current-voltage characteristic of the fuel cell is changed by variation of an operation temperature or load power.  <P>SOLUTION: A target power generation amount calculation means 11 calculates a target power generation amount of a fuel cell body 1. A current-voltage characteristic storage means 13 is used for storing one or more current-voltage characteristic curves each showing a characteristic of an output voltage to an output current of the fuel cell according to the state of the cell body 1. A target oxidizer flow calculation means 14 calculates a target oxidizer flow rate to be supplied to the cell body 1 from a blower 3 by referring to the current-voltage characteristic curves stored in the storage means 13. A current-voltage characteristic update means 12 updates the current-voltage characteristic curves stored in the storage means 13 by using a predetermined number of detection values of the output voltages, the output currents and operation temperatures during the operation of the fuel cell.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004301407-A (JP)
Title: Hot water room heater and room heating system with humidifying function
Inventor: WADA HIROTAKA
IPC: F24D3/00
Filed: 2003-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To heat a room to be warm while reducing the room heating cost.  <P>SOLUTION: In this hot water room heater, hot water room heating radiators 1 for heating room and is provided with humidifying parts 3 belonging thereto for humidifying room by evaporating moisture by the heat of the radiators 1. The radiators 1 are provided in plural number and the humidifying parts 3 belong to the radiators 1. Water supply branch pipes 5 extend from the humidifying parts 3 of the radiators 1 for supplying water thereto. The water supply branch pipes 5 are connected to a header 4 and the header 4 is connected to a city water pipe 6, and water is supplied to the humidifying parts 3 of the radiators 1 through the header 4.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004302064-A (JP)
Title: Laser array imaging lens and image forming apparatus
Inventor: YAMAKAWA HIROMITSU
IPC: G02B13/18
Filed: 2003-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To obtain an image forming apparatus forming an image on a photosensitive surface with respective beams from a semiconductor laser array light source constituted by arraying semiconductor laser elements in a line by using a laser array imaging lens constituted of two lenses including an aspherical lens, and performing light dot formation (optical scanning) on a surface to be scanned.  <P>SOLUTION: A laser printer device is equipped with the semiconductor laser array light source 1 constituted by arraying many semiconductor laser elements linearly and the laser array image forming lens 2. The lens 2 is constituted of a 1st lens 21 making the respective beams from the respective laser elements cross with each other nearly at one point and a 2nd lens 22 at the poststage of the crossing position, and has an aspherical surface at least at one surface. Furthermore, it is desirable that the lens 2 has an anamorphic aspherical surface at least at one surface, and has a diffraction optical surface at least at one surface. By performing simultaneous light emission by the laser elements in specified timing so that the beams may form the images linearly on the photosensitive surface 4, and subscanning the surface 4 in a direction A nearly perpendicular to a dot line direction at specified speed, the image is formed on the surface 4.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004302070-A (JP)
Title: Driving-gear for light emitting display panel
Inventor: MURAGATA MASAKI
IPC: H01L51/50
Filed: 2003-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a driving-gear for a light emitting display panel capable of enhancing the effect of prolonging the light emission lifetime of EL devices.  <P>SOLUTION: Drive switches SX1 to SXn select a backward voltage of -V directly after the start of scanning, and the backward voltage is supplied to all of the EL devices in a scanning state. Then, the drive switches SX1 to SXn connect constant current sources I1 to In to data lines to be subjected to light emission control and apply a forward voltage of +V1 (the voltage below the light emission threshold) not contributing to the light emission to the data lines of non-light emission control. As a result, the forward voltage is applied to the EL devices in the scanning state.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004302857-A (JP)
Title: Program, method and device for restoring file
Inventor: NAGAI TOSHIHIKO
IPC: G06F12/00
Filed: 2003-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To increase reliability of file restoration in file coupling.  <P>SOLUTION: This method includes steps for: copying an original file 200 and preparing a backup file 300; coupling the backup file 300 to a coupling object file 350 in substitution for the original file 200; renaming the backup file 300' after coupling to the original file 200', a step for deleting the original file 200, and performing file reconstitution according to respective presence/absence state of the original file 200 (200'), the backup file 300' and the coupling object file 350 when processing regarding coupling comes into abnormal end.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004300817-A (JP)
Title: Indirect contact type reinforcing structure
Inventor: KANDA MASAYUKI
IPC: E02D27/30
Filed: 2003-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide an indirect contact type reinforcing structure capable of easily carrying out construction work of a reinforcing structure of a footing.  <P>SOLUTION: A sheet pile 1 is driven at an interval from the footing F. A space between the side of the footing F and the sheet pile 1 is filled with filling concrete 2. The filling concrete 2 is placed up to the upper surface from the lower surface of the footing F. Since the footing F is not connected to the sheet pile 1, joint work can be eliminated. Further, the footing F is not required for chipping, partial loss of area does not occur. Since rigid joint between the footing F and the sheet pile 1 is not made, vibration can be slightly made. As a result, when a great earthquake occurs, even if big acceleration amplitude occurs, the occurrence of excessive stress in the lower part of a pier can be prevented.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004308510-A (JP)
Title: Internal combustion engine detecting failure of compression ratio change mechanism for control
Inventor: MIYASHITA SHIGEKI
IPC: F02P5/15
Filed: 2003-04-04
Abstract: <P>PROBLEM TO BE SOLVED: To stably operate an internal combustion engine even when failure occurs in compression ratio change of the internal combustion engine.  <P>SOLUTION: This internal combustion engine provided with a mechanism for changing compression ratio suppresses predetermined control for reducing combustion stability of air-fuel mixture when it detects the occurrence of failure in the compression ratio switching mechanism. The control for reducing stability of combustion includes machine warming delay control, lean burn control, and EGR control. Consequently, even if, for example, compression ratio is fixed to a low value, it is possible to burn air-fuel mixture stably.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004310877-A (JP)
Title: Disk drive unit
Inventor: SUZUKI KOJI
IPC: G11B21/02
Filed: 2003-04-04
Abstract: <P>PROBLEM TO BE SOLVED: To eliminate backlash of the entire gear engaging parts of an objective lens transport mechanism for driving a thread rack by a pinion driven by a motor through four reduction gears or more in a head of an optical pickup, etc., of a disk drive unit and to make the unit compact.  <P>SOLUTION: In this objective lens transport mechanism 25 for driving the rack 37 of a thread 18 by the motor 28 through four reduction gears 32, 33, 34 and 35 and the pinion 36, a first compound gear 41 consisting of second and third gears 33 and 34 and a second compound gear 42 consisting of the fourth gear 35 and the pinion 36 are provided with two upper and lower gears 33a and 33b, and 35a and 35b and first and second twisting coil springs 45 and 46 incorporated in them, respectively. The first and second compound gears 41 and 42 are respectively configured to be a backlash picking gear, and a compression coil spring 65 is incorporated in a compound rack 61 consisting of two upper and lower rack plates 37a and 37b to construct a backlash picking gear, being the objective lens transport mechanism.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004310394-A (JP)
Title: Sdram access control device
Inventor: TOKURA ATSUSHI
IPC: G06F12/00
Filed: 2003-04-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide an SDRAM access control device capable of improving the using efficiency of SDRAM by preventing a wasteful cycle to the SDRAM.  <P>SOLUTION: This SDRAM access control device comprises an SDRAM command generation part 2 for accepting a memory access request and generating an SDRAM command by bank; an adjustment/queuing means 3 for adjusting a command execution request from the means 2 and inputting, according to the empty state of an SDRAM command queue and a data bus using queue, commands, a data bus use/direction flag and write data for write access to each queue; an SDRAM command queue means 4 for successively transmitting the commands to the SDRAM 8 in the input order; and a data bus using queue means 5 for retaining the data bus use/direction flag and the write data, transmitting the write data to the SDRAM 8 in the input order at the time of write access, and fetching read data from the SDRAM 8 at the time of read access. According to this DSRAM access control device, the operation rate of each bank of the SDRAM and the use rate of the data bus can be increased to speed up the SDRAM access.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004307393-A (JP)
Title: Method for producing decahydronaphthalen-2-one-based compound
Inventor: KIHARA YOSHIHIRO
IPC: C07C49/447
Filed: 2003-04-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for industrially advantageously producing a decahydronaphthalen-2-one-based compound in a high yield.  <P>SOLUTION: The method for producing the decahydronaphthalen-2-one-based compound represented by general formula (2) [R<SP>1</SP>is a hydrogen atom, a 1-12C alkyl group, a 1-12C alkyloxy group or a cyclohexy group which may contain a 1-12C alkyl group] comprises oxidizing a decahydronaphthalen-2-ol-based compound represented by general formula (1) (R<SP>1</SP>is as shown above) in the presence of an alkali metal halide and an organic peroxide in an organic solvent. Consequently, the oxidation reaction is carried out under a mild condition and the objective high-purity product is obtained in a high yield. Accordingly the method has an extremely high industrial meaning.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004312456-A (JP)
Title: Printer, image processor, printing method, image processing method, and program
Inventor: KARIDO NOBUHIRO
IPC: G06T5/00
Filed: 2003-04-08
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a comfortable print output of high image quality even from an input image of a halftone region.  <P>SOLUTION: Image data having tone image data value per pixel is inputted to a printer to print an image. The printer has; a pixel group generation means which selects pixels to generate a pixel group until the sum total of tone image data values per pixel exceeds a threshold; a centroid position determination means which determines a centroid position of the pixel group generated by the pixel group generation means; an output data value setting means which sets output data values to pixels included in an area corresponding to the prescribed number of dots around the centroid position determined by the centroid position determination means; a pulse width conversion means which converts output data values of pixels set by the output data value setting means to pulses having a prescribed width; and a print control means which generates dots on the basis of pulses converted by the pulse width conversion means to print the inputted image on a print paper. The pixel group generation means selects pixels closest to the centroid position determined by the centroid position determination means.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004309922-A (JP)
Title: Liquid crystal display device
Inventor: SAKAI EIJI
IPC: G06F3/041
Filed: 2003-04-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a liquid crystal display device capable of improving display visibility by deterring interfacial reflection at an input part such as a resistance film type touch panel, in a normally black mode suitable for thickness reduction of the liquid crystal display device.  <P>SOLUTION: The normally black mode liquid crystal display device having the input part 20 such as the touch panel, is provided with a first optical retardation plate 30a as a λ/4 wavelength plate on the surface on the input part 20 on the opposite side from a liquid crystal panel 10, and a second optical retardation plate 30b as a λ/4 wavelength plate is provided between the input part 20 and liquid crystal panel 10; and the first phase difference plate 30a deters reflected light (L2, L3) of external light L1 at the input part 20 from being transmitted, and the first optical retardation plate 30a and second optical retardation plate 30b are combined together to function as a λ/2 wavelength plate, thereby optically compensating the liquid crystal panel 10.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004306901-A (JP)
Title: Air conditioning system for vehicle
Inventor: NADAMOTO HIROYASU
IPC: B60H1/32
Filed: 2003-04-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide an air conditioning system for a vehicle aimed at gaining both comfort and fuel efficiency improvement.  <P>SOLUTION: The air conditioning system for vehicles comprises an evaporator 6 for evaporating a liquid refrigerant for cooling air-conditioned air blown into a compartment; a variable capacity compressor 1 for compressing a refrigerant evaporated by an evaporator driven by a power source 3 for driving vehicles and controlling the amount of discharge refrigerant by an electric signal from the outside; a blowoff air temperature sensor 8 for detecting the blowoff air temperature of the evaporator; and a control means 7 for calculating a target blow-off air temperature Tint' of the evaporator, based on a set temperature, and controlling the amount of discharge refrigerant in the variable capacity compressor, based on the detection value of the blowoff air temperature sensor. The control means controls the variable capacity compressor 1 at a target blow-off air temperature that is higher than the target blow-off air temperature Tint' by a specific temperature when fuel efficiency drops when the variable capacity compressor 1 is controlled at the target blowoff air temperature Tint'.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004168022-A (JP)
Title: Lining for underground pipe
Inventor: LIPPIATT RAYMOND
IPC: B29C48/09
Filed: 2003-04-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide in particular a newly improved pipe liner, its manufacturing method and the apparatus in the lining for an underground pipe.  <P>SOLUTION: The pipe liner 11 having a thin wall is cooled and supplied from a spool, or is transformed into a small cross section at peripheral temperature after extrusion-molded into a tube-shape and cooled. Next, the pipe liner 11 is covered with a protective sleeve 16 which is directly co-extrusion molded on the pipe liner 11, and is retained due to lessening its cross section and changing its shape. Then, the pipe liner 11 having the protective sleeve 16 can be wound on a drum for transportation to a distance place. The other duct for an optical fiber can be passed into the protective sleeve 16 at the inside or the outside of a transformed pipe liner 11.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004318654-A (JP)
Title: Performance evaluation device, performance evaluation method and program
Inventor: SHU TSUTOMU
IPC: G06F17/50
Filed: 2003-04-18
Abstract: <P>PROBLEM TO BE SOLVED: To evaluate the performance of a semiconductor device of an evaluation object by performing modeling easily understandably so as to decide an architecture in the initial stage of design.  <P>SOLUTION: A functional model input means 11 inputs and holds a function model for which the function of the semiconductor device is modeled by an UML description, and an architecture model input means 12 inputs and holds an architecture model for which the physical architecture of the semiconductor device is modeled by the UML description. The functional model is allocated to the architecture model in a mapping means 13 and the performance for the model after allocation is evaluated by a performance evaluation means 14.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004319413-A (JP)
Title: Gas pressure reducing device of fuel cell system
Inventor: ANDO AKIRA
IPC: H01M8/04
Filed: 2003-04-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a gas pressure reducing device keeping the pressure of the gas to be supplied to a fuel cell constant.  <P>SOLUTION: An inside space 25 of bodies 21, 22 of the gas pressure reducing device is divided into a measuring chamber 28 and a back pressure chamber 27 by a diaphragm 26. A valve sheet 31 and a valve body 34 are arranged adjacent to the measuring chamber 28. When the gas pressure acts on the diaphragm 26, the diaphragm 26 displaces and makes the valve body 34 move in a direction getting near to the valve sheet 31. A pressure control spring 37 energizes the diaphragm 26 to move in the direction making the valve body 34 separate from the valve sheet 31. Pressure of hydrogen gas getting out from an outlet 23 is reduced by the movement of the valve body 34 caused by the force of the diaphragm 26, the pressure control spring 37, or the like. The gas pressure reducing device comprises a pressure switching valve 7 adjusting the energizing force of the pressure control spring 37 by back pressure, a flow rate sensor 12 detecting gas flow rate at the outlet 23, and an electronic control unit (ECU) 11 controlling the pressure switching valve 7 in order to adjust the back pressure in compliance with the gas flow rate.  <P>COPYRIGHT: (C)2005,JPO&NCIPI