baber/WOPTO huggingface dataset:
Patent JP-2003156290-A (JP)
Title: Heat exchanger for high temperature collection from dirty warm liquid
Inventor: TSUNOGUCHI KATSUHIKO
IPC: F25B39/04
Filed: 2001-11-19
Abstract: PROBLEM TO BE SOLVED: To provide a heat exchanger for warm heat collection from dirty warm liquid capable of avoiding a problem of pollution of a heat transfer surface by using a different kind of fluid to heat-transport between the dirty fluid and a solid metal heat exchanging surface by preventing direct contact of the dirty fluid and the solid metal heat exchanging surface. SOLUTION: The heat exchanger for warm heat collection from the dirty warm liquid is characterized by carrying out heat transport by evaporating volatile liquid at a part where the both liquid direct makes contact with each other by injecting the dirty warm liquid holding warm heat to a different kind of the volatile liquid higher in density which is reserved in a container.
Patent JP-2003156649-A (JP)
Title: Optical fiber
Inventor: SHIBUTA TAEKO
IPC: G02B6/036
Filed: 2001-11-19
Abstract: PROBLEM TO BE SOLVED: To provide an optical fiber particularly suitable for Raman amplification. SOLUTION: The effective core cross-sectional area of the fiber at 1570 nm wavelength is specified to >=35 μm<2> and <=45 μm<2> , the absolute value of dispersion gradient at the above wavelength is specified to <=0.04 ps/nm<2> /km, and the dispersion at the above wavelength is specified to >=5 ps/nm/km and <=10 ps/nm/km. The distribution structure of the refractive index contains at least one annular region between the center core and the clad. Preferably, the relative refractive index difference Δ1 of the center core to the clad is >=0.55% and <=0.7%, the relative refractive index difference Δ2 of the annular region adjacent to the center core to the clad is >=-0.7% and <=-0.5%, and the outer diameter a of the center core and the outer diameter b of the annular region adjacent to the center core satisfy 1.2<=b/a<=1.5.
Patent JP-2003154674-A (JP)
Title: Ink jet printer
Inventor: MATSUYAMA KENGO
IPC: B41J2/175
Filed: 2001-11-20
Abstract: PROBLEM TO BE SOLVED: To provide an ink jet printer in which ink is supplied stably to an ink head by relaxing pressure variation in a tube occurring during movement of a carriage. SOLUTION: In the ink jet printer 30, chambers 11C and 11M in a subtank 11 connected with tubes 12C and 12M laid in one moving direction of a carriage 13, and chambers 11Y and 11K connected with tubes 12Y and 12K laid in the other moving direction of the carriage 13 are arranged alternately. An elastic film 20 is provided between chambers 11Y and 11M in the subtank 11 and between the chambers 11K and 11C.
Patent JP-2003160349-A (JP)
Title: Method of dividing ceramic cylinder
Inventor: HASHIMOTO JUN
IPC: B28D1/20
Filed: 2001-11-22
Abstract: <P>PROBLEM TO BE SOLVED: To divide a ceramic cylinder along an axis so as to generate substantially no dimensional difference between dimensions before dividing and joined after dividing.  <P>SOLUTION: The ceramic cylinder (1) is grooved on its surface at least 2 (N11, N12) extending toward axial direction, then loaded (W) in the diametric direction, the ceramic cylinder (1) is divided along the grooves (N11, and N12).  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003161661-A (JP)
Title: Continuous load sensing device for electric valve actuator
Inventor: WATANABE SUSUMU
IPC: G01L3/14
Filed: 2001-11-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a torquemeter for measuring motor load in an electric valve actuator ensuring a precision among many valve actuators by equalizing and correcting output characteristics of its measurement in two-way driving directions.  <P>SOLUTION: In the electric valve actuator, a cylindrical worm 5 is fitted to a worm shaft 4 rotated by a motor so as to slide in an axial direction but not to rotate, switching a valve element, as well as a pressure-receiving piece 21, orthogonal to the axial direction of the cylindrical worm 5 to receive thrust sent from such an axial directional feed of the cylindrical worm 5, is provided with a strain gauge. By using the resistance variation in the strain gauge associated with deformation of this pressure-receiving piece 21, the actuator detects a torque value of the motor. The deformity transformed by the thrust based on the axial directional feed of the pressure-receiving piece 21, is provided with a plurality of strain gauges 28 each of which has a different distance from the axial line, respectively.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003163009-A (JP)
Title: Solid polymer fuel battery
Inventor: KUNISA YASUHIRO
IPC: H01M4/86
Filed: 2001-11-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a solid polymer fuel battery having a good efficiency and a high output density eve when the inlet vicinity area of the channel of the gas of a cathode catalytic layer becomes a dry atmosphere by supplying a low humidified oxidizer gas to a cathode to operate a solid polymer fuel battery system in a high efficiency.  <P>SOLUTION: The solid polymer fuel battery comprises an anode, a cathode, a polymer electrolyte layer disposed between the anode and the cathode, and a separator disposed at the outside of the cathode and having a gas channel formed on the surface brought into contact with the cathode and having an inlet and an outlet. In this battery, the catalytic layer of the cathode contains the maximum hydrogen adsorption electric amount per unit area in the vicinity region of the inlet of the gas channel, larger than that per unit area in the vicinity region of the outlet of the gas channel.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003161974-A (JP)
Title: Light source device and light irradiation device
Inventor: KAWAI HITOSHI
IPC: G02F1/35
Filed: 2001-11-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a light source device which generates continuous light having a wavelength of 210 nm or less with a simple structure.  <P>SOLUTION: Wavelength converters 181A, 182 and 183 each having a nonlinear optical element making the continuous light of a infrared range or a visible range as a fundamental wave are interposed successively. Wavelength conversion is stepwise carried out by second harmonic generation or sum frequency generation which is a nonlinear optical effect caused when light passes through the nonlinear optical element in each wavelength converter 181A, 182 and 183, and the continuous light having the wavelength of 210 nm or less is finally generated. As a result, the continuous light having the wavelength of 210 nm or less can be generated with a simple structure.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003161620-A (JP)
Title: Car-navigation system using ground wave digital broadcast
Inventor: URATA SHIRO
IPC: H04N5/44
Filed: 2001-11-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a device which is different from a conventional car- navigation system in which every time map data are updated, storage media, etc., are needed to be replaced.  <P>SOLUTION: A broadcasting station using each channel of ground wave digital broadcast transmits different data for updating map data in storage media, and vehicles receive the different data for updating the map data. A broadcasting station divides the area which can be served into two or more blocks and gives a block code for every block and makes different data for every block, which are transmitted by each channel of ground wave digital broadcast. When vehicles move, they discriminate the block codes which show the current positions in which they are and receive only the different data between the blocks in which currently they are and adjoining blocks, and eliminate the other unnecessary map data.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003161211-A (JP)
Title: Control device for internal combustion engine
Inventor: OSANAI AKINORI
IPC: F02D43/00
Filed: 2001-11-28
Abstract: <P>PROBLEM TO BE SOLVED: To prevent vapor overflowing from a canister without causing hunting on control about a control device for an internal combustion engine having the function of purging evaporated fuel.  <P>SOLUTION: Purge conditions are set (Steps 128-138). An amount subtracting the fuel purged from an amount of the fuel supplied to an internal combustion engine is assumed us a fuel injection quantity supplied from a fuel injection valve. A limit purge rate PGRLMT is determined (Step 132) so that the fuel injection quantity becomes much larger than the minimum fuel injection quantity which the fuel injection valve can maintain desired accuracy and inject fuel. When the purge rate (tPGR) exceeds the PGRLMT, the purge condition at that time is stared as a limit purge condition (Step 146-152). When an air-fuel ratio is lager than a prescribed rich determination value (Step 156), the purging is continued on the limit purge condition (Step 158-164).  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003126635-A (JP)
Title: Humidifier-equipped dust collector
Inventor: HASHIMOTO SHUNGO
IPC: B01D46/02
Filed: 2001-10-24
Abstract: PROBLEM TO BE SOLVED: To provide a method and an apparatus for catching fine particles hard to be caught with a bag filter when the particles are dry or lowly wet. SOLUTION: The method comprises the step of catching fine particles with a bag filter by effecting their adhesion and agglomeration by humidification. Each filter cloth 6 is held with a hanging metal 5 in a container composed of a housing 8 and a hopper 10. A dust-containing gas enters from the inlet 11, passes the filter clothes, and leaves from an outlet 13 while it leaves the dust on the inside surfaces. Compressed air for shaking is stored in an accumulator 1. Its injection is performed through branched pipes, and the injection time is 1-30 min.
Patent JP-2003164745-A (JP)
Title: Microreactor
Inventor: HONDA NOBUAKI
IPC: B01J19/00
Filed: 2001-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a microreactor having a simple constitution capable of stably bringing about a microchemical reaction due to the contact of two kinds of fluids reacting with each other without bringing about a clogging problem.  <P>SOLUTION: An auxiliary microchannel 13 for allowing a fluid C not reacted with two kinds of fluids A and B to flow is provided between paired microchannels 11 and 12 permitting two kinds of the fluids A and B reacted with each other to flow. Especially, when the microchannels and the auxiliary microchannel are provided in parallel to each other by one or more channels, one or more pairs of the auxiliary microchannels are provided between the microchannels or provided so as to surround the respective microchannels.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003170395-A (JP)
Title: Power punch
Inventor: HOSHINO HIROYASU
IPC: B26F1/34
Filed: 2001-11-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a power punch capable of automatically punching documents and selecting the intervals of holes of either 70 mm or 80 mm.  <P>SOLUTION: In this power punch, the operating arm 45 of a punching body is bent along the longitudinal direction (both ends are displaced parallel with each other in longitudinal direction) so that the interval of holes can be selectively set to either 70 mm (American system) or 80 mm (European and Japan system) by replacing the left side punching body 40 with the right side punching body so as to be formed in such a shape that the centers thereof are moved parallel with each other and both sides of the operating arm are held by two supporting bodies with different widths.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003170057-A (JP)
Title: Exhaust gas cleaning device for internal combustion engine
Inventor: ENDO TETSUO
IPC: F01N3/10
Filed: 2001-12-04
Abstract: <P>PROBLEM TO BE SOLVED: To raise the HC dissociation start temperature of an adsorbent while obtaining sufficient durability against high temperature exhaust gas, in an exhaust gas cleaning device for an internal combustion engine constituted so that a hydrocarbon being a uncombusted component in exhaust gas is adsorbed by the adsorbent in such a state that a catalyst is inactive at the time of starting of the internal combustion engine and the HC dissociated from the adsorbent is cleaned by the catalyst after the catalyst is activated.  <P>SOLUTION: Zeolite having Cs supported thereon is added to the adsorbent.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003173714-A (JP)
Title: Illumination apparatus
Inventor: TAKADA KAZUTO
IPC: F21Y103/37
Filed: 2001-12-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide an illumination device in which the problem of cost, weight, and design is solved compared a fluorescent lamp having a bulb base with a built-in stabilizer.  <P>SOLUTION: Since the ceiling wiring apparatus for an illumination apparatus is used as a direct power source, the illumination device does not use the illumination apparatus (socket) for lighting.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003174504-A (JP)
Title: Portable terminal with talking function, controller for the same and back light control method
Inventor: MAEDA NAOTOSHI
IPC: G06T7/00
Filed: 2001-12-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a portable terminal with a talking function by which a display screen can be vividly watched without performing redundant key operations during speech.  <P>SOLUTION: The portable terminal with a talking function is provided with an operation means 9 for performing input operations, a display means 6 for displaying operation results by the operation means, back lights 7, 8 with which at least the screen of the display means 6 is irradiated, an image pickup means 1 and a feature judging means 2. The feature judging means 2 extracts an image part of the mouth as at least one specific area in an image of a user's body from image data by the image pickup means 1, performs variation measurement processing about area of the specific area and timewise variation of the area and judges that the user is talking based on the results of the measurement processing. A back light control means controls lighting of the back lights in response to the judgment results by the feature judging means and operations of the operation means 9.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003173646-A (JP)
Title: Small-sized magnetic disk cartridge
Inventor: ENDO YASUSHI
IPC: G11B23/03
Filed: 2001-12-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a small-sized magnetic disk cartridge which is so thin and small-sized as to be loaded into a card-type disk drive capable of being mounted on an electronic appliance, has a large recording capacity, enables stable rotations without face-wobbling and has the satisfactory head touch and an excellent recording reproducing property.  <P>SOLUTION: This magnetic disk cartridge 8 which can be loaded into the card-type disk drive capable of being mounted to a slot of the electronic appliance such as a digital camera is constituted by rotatably storing a flexible magnetic disk 14 in a housing 12. The magnetic disk 14 is fixed on a center core 15 while keeping the point supporting state in the central part of the disk.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003174233-A (JP)
Title: Method for manufacturing semiconductor light emitting element and method for growing gallium nitride compound semiconductor
Inventor: NUNOGAMI SHINYA
IPC: H01S5/223
Filed: 2001-12-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a semiconductor light emitting element capable of reducing a threshold current density and continuously oscillating in a basic lateral mode.  <P>SOLUTION: The method for manufacturing a semiconductor light emitting element comprises the steps of sequentially forming a first clad layer containing a gallium nitride compound semiconductor in which a first impurity element is added, a light emitting layer made of a gallium nitride compound semiconductor, and a second clad layer made of a gallium nitride compound semiconductor in which an opposite conductivity type second impurity element to the first impurity element is added on a substrate, selectively forming a dielectric film on the part of the second clad layer, exposing the dielectric film with a gas including chlorine, a liquid or a plasma, and selectively growing a current narrowing layer made of a gallium nitride compound semiconductor in which the first impurity element is added, on the surface of the second clad layer except the region in which the dielectric film is formed.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003177785-A (JP)
Title: Linear transformation matrix calculation device and voice recognition device
Inventor: EMORI TADASHI
IPC: G10L15/06
Filed: 2001-12-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a voice recognition device having a higher performance for derivation of an LDA transformation matrix.  <P>SOLUTION: When a linear transformation matrix for linear discrimination analysis is obtained, an inter-class covariance matrix is calculated. At this time, confusion matrix coefficients are multiplied. The confusion matrix coefficients are determined in accordance with frequencies of combination of pairs of phonemes, pairs of syllables or the like easy to be confused by previous voice recognition. With respect to the linear transformation matrix calculated in this process, feature vectors can be subjected to such transformation that classes easy to be confused can be more separated. As a result, a high recognition performance is obtained.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003175073-A (JP)
Title: Diaper and diaper set
Inventor: SUGIYAMA YUICHIRO
IPC: A61F5/44
Filed: 2001-12-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a diaper and a diaper set which are washed cleanly and sanitarily in the case of washing by only throwing in without regard to whether they are washed for business or at home, whose drying time is reduced markedly, and which dispenses with a conventional manual work after washing.  <P>SOLUTION: The diaper of a pad type comprises an external body which is provided with dam part for preventing urine, etc., from being leaked from the sides of the diaper by having waterproof property or water repelling property and closely fitting to the inner surfaces of the legs at an abdominal region in a curved state, and an inner sheet which has water absorbability and/or water holding property and is mounted in the external body and can be used repeatedly by washing. In a state where the corner parts of both of the front and rear ends of the inner sheet enter the inside of both of the front and rear end parts of the dam parts, both of the front and rear end parts of the inner sheet are fixed to both of the front and rear end parts of the external body.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003184482-A (JP)
Title: Structure of shield machine and method of replacing roller cutter of shield machine
Inventor: KANEKO KENICHI
IPC: E21D9/087
Filed: 2001-12-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide the structure of a shield machine capable of performing the replacement operation for a roller cutter even under sea level where there is much spring water and a method of replacing the roller cutter of the shield machine.  <P>SOLUTION: This structure of the shield machine comprises a plurality of large circular cutter heads 1 disposed on a same plane at specified intervals and a plurality of small circular cutter heads 2 disposed so as to fill clearances between the large circular cutter heads 1. The large circular cutter heads 1 comprise a plurality of detachable roller cutters 31 disposed in circumferential direction projectedly in excavating direction and a jack 4 for drawer extendable in a radial direction. A working lock 5 for a space capable of performing a replacement operation by storing the roller cutter 31 is disposed between the large circular cutter heads 1, and an openable gate 6 interrupted from the outside is stored at the front of the working lock 5.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003185084-A (JP)
Title: Gas shut-off bag, bag installing apparatus and gas pressure measuring method
Inventor: SEGAWA TOSHIAKI
IPC: F16L55/12
Filed: 2001-12-13
Abstract: <P>PROBLEM TO BE SOLVED: To easily measure gas pressure near a shut-off portion opposite to a through-hole side in a pipe, even when no opening portion, which communicates to the inside of the pipe, exists near the shut-off portion opposite to the through-hole side across the portion shut off by a bag body.  <P>SOLUTION: In a bas shut-off bag, a pressing fluid supply tube 2 communicates to and is brought into contact with the bag body 1 that can be expanded or contracted. The bag body is inserted into a gas pipe C through the through-hole D formed in a pipe wall, while being contracted. The gas shut-off bag is expanded by the pressing fluid supplied through the pressing fluid supply tube, and thereby shuts off the inside of the gas pipe. One end side of a gas pressure introducing tube 6 is connected to a gas pressure measuring tool and the other end side is inserted into the bag body, and the introducing tube 6 is opened to communicate to the inside of the pipe opposite to the through-hole side across the portion shut off by the bag body, while the inside of the gas pipe is shut off by the bag body.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003185124-A (JP)
Title: Hot gas cooling device, high temperature gasification furnace, and hot gas cooling method
Inventor: NARUSE KATSUTOSHI
IPC: F23J15/06
Filed: 2001-12-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hot gas cooling device capable of removing fly ash and molten slag from hot gas generated by combustion reaction or partial oxidation and efficiently collecting energy from the hot gas.  <P>SOLUTION: This hot gas cooling device comprises an inlet 31 for leading in hot gas 40 containing fly ash and/or molten slag, a liquid area part for picking up the fly ash and/or molten slag led from the inlet 31 and cooling the hot gas 40, and an outlet 36 for discharging the hot gas 40 in the direction of liquid boundary of the liquid area part or in the upper direction of the liquid boundary.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003188295-A (JP)
Title: Heat sink for semiconductor element receiving package and for optical communication module package
Inventor: FUKUSHIMA HIDEKO
IPC: H01L23/08
Filed: 2001-12-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heat sink for a semiconductor element receiving package and for an optical communication module package, which are high in hermeticity while having the heat conductivity of 150 W/mK-380 W/mK and the thermal expansion coefficient of 6.5×10<SP>-6</SP>to 14×10<SP>-6</SP>.  <P>SOLUTION: The package for receiving a semiconductor element is provided with a copper composite material base heat sink and a plurality of connecting terminals. The copper composite material base heat sink is constituted of a semiconductor element equipped with an electrode for connection and disposed on the surface of an insulation base board, on which a metallized wiring layer is mounted and formed while brazing the metallized wiring layer, and the electrode for connecting the semiconductor element and being mounted on the surface of the insulation base board so as to cover the semiconductor element while one part of the same is adhered to the semiconductor element. The plurality of connecting terminals are constituted of solder provided on the rear surface of the insulation base board and electrically connected to the semiconductor element. The copper composite material base heat sink is constituted of a minute sintered body, in which silicon carbide grains are dispersed into the base material of metal Cu in the rate of volume ratio of Cu:SiC=2:8-8:2.  <P>COPYRIGHT: (C)2003,JPO