baber/WOPTO huggingface dataset:
Patent JP-2002359589-A (JP)
Title: Global double terminal low earth-orbiting communication system
Inventor: WIEDEMAN ROBERT A
IPC: H04B7/185
Filed: 2002-03-19
Abstract: PROBLEM TO BE SOLVED: To provide a low speed and high speed data service by a satellite base communication system. SOLUTION: In this system, a user terminal called a 'double terminal' (10) is provided with a first transceiver for transmitting and receiving voice and data, in a first frequency band and a second frequency band by using a maximum data transfer rate (for example, 9600 baud), and this user terminal is also provided with a second transceiver for using a second data transfer rate lying beyond the maximum data transfer rate. A double gateway (20) is provided with a first interface for a voice signal and a data signal and a first line for transmitting and receiving the voice signal and the data signal by using the maximum data transfer rate, and this gateway is also provided with a second interface for the data signal and a second line for transmitting and receiving the data signal, by using the data transfer rate beyond the maximum data transfer rate.
Patent JP-2003273464-A (JP)
Title: Ridge wave guiding type semiconductor laser device
Inventor: MIHASHI YUTAKA
IPC: H01S5/12
Filed: 2002-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To attain a ridge wave guiding type semiconductor laser device which has less leak current and is improved in temperature characteristic and high speed operation characteristic.  <P>SOLUTION: This ridge wave guiding type semiconductor laser device has a double-hetero structure element in which a p-type clad layer, a quantum well active layer, an n-type thin first clad layer, and an n-type thick second clad layer are sequentially formed on a p-type semiconductor substrate. A ridge wave guiding path is formed between a pair of grooves formed in the second clad layer, the second clad layer is used as an etching stopper for etching each groove, and each groove reaches the surface of the first clad layer or the area near to the surface. The thin first clad layer controls a leak current and also is improved in temperature characteristic and high speed operation characteristic. A high resistance region is formed on the first clad layer right under each groove and thereby the leak current can further be controlled.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003279135-A (JP)
Title: Heat pump water heater
Inventor: TSURUTA TORU
IPC: F24H1/00
Filed: 2002-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heat pump water heater capable of highly efficiently boiling up bathtub water in a short period of time.  <P>SOLUTION: Water in a hot water storage tank 1 is introduced to a heat pump unit 30 by a supply water circulating pump 6, and is heated to a high temperature by taking heat from a carbon dioxide refrigerant by a water supply heat exchanger 7 in the heat pump unit 30, and is then returned in the hot water storage tank 1 via a water supply return pipe 5 and a three-way valve 8. A reheating heat exchanger 9 and a water supply return pipe 10 are connected to one downstream side of the three-way valve 8, and the water supply return pipe 10 is connected to the central vicinity of the hot water storage tank 1. A bypass pipe 11 is connected to the other downstream side of the three-way valve 8, and the bypass pipe 11 is connected to a top surface of the hot water storage tank 1. Hot water in the bathtub 16 is introduced to the reheating heat exchanger 9 via a bathtub circulating metal fitting 15 and a reheating return pipe 12 by a reheating circulating pump 14, and is reheated here, and is thereafter returned in the bathtub 16 via a reheating going pipe 13.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003282248-A (JP)
Title: Manufacturing method and manufacturing apparatus of organic el device, organic el device and electronic apparatus
Inventor: ISHII TAKASHI
IPC: H05B33/14
Filed: 2002-03-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a manufacturing method of an organic EL device having excellent luminescent characteristics such as an extended service life and stabilized emission luminance by improving smoothness of an organic thin film constituting a luminescent layer and adhesion between films in stacking the organic thin films together, and by reducing the residual solvent at that time.  <P>SOLUTION: When the luminescent layer is formed in this manufacturing method of the organic EL device, an ink composition for the organic EL device containing an organic luminescent material and a predetermined solvent is jetted onto a substrate or a positive hole implantation/transportation layer formed on the substrate, and heat-treated in vacuum, so that the organic EL device having the excellent luminescent characteristics such as an extended service life and stabilized emission luminance can be manufactured.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003277498-A (JP)
Title: Polymer, film therefrom, and use thereof
Inventor: SAKAMOTO YUKIE
IPC: C08J5/18
Filed: 2002-03-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical film that shows excellent that resistance and high uniformity, further has birefringence of a negative value, and provide optical elements having excellent coloring and viewing angle characteristics as a result of the compensation of the birefringence of a liquid crystal display and can be easily produced, and further provide image display devices, e.g. liquid crystal display elements, organic EL display devices, using the same.  <P>SOLUTION: A fluorine-containing polyarylether ketone is allowed to react with a low-molecular-weight compound bearing functional groups reactive with the terminal hydroxy groups in the ether ketone, e.g. a carboxy, a halogen, an alkoxy, an epoxy, and an isocyanate to give polymer. The polymer is dissolved in a solvent and substrates are coated with the solution, the coated film is dried whereby the optical film is obtained. The resultant film is employed in optical elements, liquid crystal display elements and the like.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003279759-A (JP)
Title: Machining method of optical fiber and manufacturing method of optical waveguide component
Inventor: YOMO TOMOKO
IPC: G02B6/02
Filed: 2002-03-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a machining method of an optical fiber for forming a refractive index change region by performing condensation illumination of laser beams with high positional accuracy without losing the mechanical strength of the optical fiber, and to provide a manufacturing method of an optical fiber type waveguide component using the optical fiber machining method.  <P>SOLUTION: The optical fiber 5 is fixed to a V groove 8 on a V groove board 7, the condensation and illumination of femtosecond laser beams 2 are made to the surface of the V groove board 7, and the ablation trace is detected to detect the surface of the V groove board 7. With the surface of the V groove board 7 as a reference, the depth of a target position 6 in the optical fiber 5 where a refractive index change region should be formed from a cladding surface is adjusted. Then, the condensation and illumination of the femtosecond laser beam 2 are made to the target position 6 to form the refractive index change region.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003280609-A (JP)
Title: Liquid crystal display device and its fluctuating power supply level shifter ic therefor
Inventor: SUGURO AKIRA
IPC: G09G3/20
Filed: 2002-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To improve the characteristics of a level shifter which converts a control signal from a system power supply system into a fluctuating power supply system.  <P>SOLUTION: For a scanning electrode driving IC of a p type semiconductor substrate, a fluctuating power supply level shifter IC is manufactured with an n type semiconductor substrate. Consequently, characteristics at low voltages can be improved and the level shifter IC is formed in the same chip as the fluctuating power source generating circuit to decrease the number of components, reduce the mounting area, and lower the price.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003277735-A (JP)
Title: Water repellent agent
Inventor: MATSUNO SHIGEAKI
IPC: C09K3/18
Filed: 2002-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a water repellent agent which has excellent initial water repellency and also long-term durability when it is spread onto faces to be treated such as a glass face of an automobile and the like.  <P>SOLUTION: The water repellent agent contains a dimethyl silicone oil (A), at least one fluorine oil selected from the group consisting of a fluorocarbon, a hydrofluorocarbon, a fluoro ether, a chlorohydrofluorocarbon and the like (B), at least one strong acid catalyst selected from the group consisting of sulfuric acid, nitric acid and the like (C) and at least one alcohol selected from the group consisting of ethanol, 2-propanol and n-propanol (D).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003288977-A (JP)
Title: Induction heating roller device, fixing device and image forming device
Inventor: OGASAWARA TAKAYUKI
IPC: H05B6/04
Filed: 2002-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an induction heating roller device improving a temperature unevenness and enhancing uniformity of a temperature distribution although the temperature unevenness of a heating roller is generated in an induction heating system; a fixing device having this induction heating roller device; and an image forming device incorporating this fixing device.  <P>SOLUTION: A plurality of induction coils IC1-ICn are arranged adjacent to each other in a heating roller HR and are energized by a high frequency power source HFS.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003289230-A (JP)
Title: Method of manufacturing potassium niobate film, surface acoustic wave element, frequency filter, frequency oscillator, electronic circuit, and electronic apparatus
Inventor: HIGUCHI AMAMITSU
IPC: H03H3/10
Filed: 2002-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of manufacturing a potassium niobate film, a surface acoustic wave element, a frequency filter, a frequency oscillator, an electronic circuit, and an electronic apparatus which performs polarization, by applying an electric field to the potassium niobate film constituted as the piezoelectric layer of the surface acoustic wave element, using the conductive film constituting the surface acoustic wave element in question as the electrode for application of the electric field, in the manufacturing process of the surface acoustic wave element.  <P>SOLUTION: An Al upper electrode layer 4 to serve as the IDT electrode of the surface acoustic wave element is produced on the surface of a potassium niobate film piezoelectric layer 3, and further, a strontium ruthenate lower electrode layer 2 is produced on the rear of the potassium niobate film piezoelectric layer 3, and an electric field is applied to the potassium niobate film, using the Al upper electrode layer 4 and the strontium ruthenate lower electrode layer 2 as electrodes for application of an electric field.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003286916-A (JP)
Title: Air cleaner for engine
Inventor: WATANABE KOJI
IPC: F02M35/024
Filed: 2002-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an air cleaner, in which cleaning ability and assembling property are improved, by keeping a deformed shape of a cleaner element 3.  <P>SOLUTION: The cleaner element 3 of an endless wall-like shape for passing air in a wall thickness direction to clean the air is provided. The cleaner element 3 has a deformed shape seen from a wall height direction, and has a holding plates 7, 8 for holding the deformed shape of a wall is joined to an upper end face and lower end face of the wall.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003289449-A (JP)
Title: Image processor and method thereof
Inventor: OONODA HITOSHI
IPC: H04N1/60
Filed: 2002-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image processor and method thereof for realizing high speed color conversion.  <P>SOLUTION: In applying color conversion to image data by using a three- dimensional lookup table and tetrahedron interpolation, the output values of the grating points of a rectangular solid including the image data and defined by the lookup table are cached (S6). Further, the output values of the grating points of a tetrahedron including the image data and defined by the rectangular solid are cached (S11).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003291148-A (JP)
Title: Mold
Inventor: ODA NAOHIRO
IPC: B29C33/38
Filed: 2002-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a mold capable of suppressing loss of heat energy in molding.  <P>SOLUTION: A heat insulating layer such as a heat insulating coating film 2 or the like comprising heat insulating coating is formed on the outer surface of a mold main body 1, and a heat-resistant layer such as a heat-resistant coating film 3 or the like comprising heat insulating coating is formed on the surface of the heat insulating coating film.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003298296-A (JP)
Title: Mounting time simulation method of component mounter
Inventor: FUJIWARA MASATO
IPC: H05K13/04
Filed: 2002-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that a nonpractical enormous time is required when mounting time simulation of component is performed for a component mounter having two heads by exhaustive search.  <P>SOLUTION: The mounting time for taking out a component from a plurality of feeders 71, 72, 73 and 74 each containing a component by means of two heads 61 and 62 movable independently on a beam 5 moving in the Y direction in the X direction intersecting the Y direction and mounting the component on a board 1 is simulated only for such a combination as the two heads 61 and 62 can take out a component simultaneously from a component containing section only through movement in the second direction.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003294413-A (JP)
Title: Optical detector
Inventor: TORII TOMONARI
IPC: G01B11/00
Filed: 2002-04-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical detector capable of performing stable detection without being affected by a background or the like.  <P>SOLUTION: A diffusion reflection type photoelectric sensor 10 includes the light cut-off plate 24 arranged between a light detection element 22 and a light detection lens 26, and a slit 30 is formed to the light cut-off plate 24. The projection light emitted from the sensor 10 forms a detection area flatly spreading within one plane, but the range of the distance L2 from a point spaced apart from the sensor 10 by a distance L1 in this detection area becomes a substantial detection area, that is, a reaction region 34 (the area shown by an oblique line in Fig) and an area other than that area becomes an insensitive region.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2002361732-A (JP)
Title: Biaxially oriented polyester film and its production method
Inventor: TOUDAIJI TAKUJI
IPC: B29L7/00
Filed: 2002-04-01
Abstract: PROBLEM TO BE SOLVED: To provide a quality biaxially oriented polyester film which is improved in mechanical properties such as a Young's modulus and dimensional stability, especially excellent in electromagnetic conversion properties, traveling durability, preservation stability, etc., as a film for magnetic recording medium, and suitable for a thermal transfer ribbon, a capacitor, etc., and to provide a method for producing the polyester film. SOLUTION: In the biaxially oriented polyester film comprising a polyester and a polyimide and having a single glass transition temperature, at least either the ratio R1m (=IMD/I55 ) between Raman peak intensity in the longitudinal direction of the film at 1780 cm<-1> by a laser-Raman scattering method and Raman peak intensity (I55 ) in a direction at an angle of 55 deg. to the surface of the film, or the ratio R1 T(=ITD/I55 ) between Raman peak intensity (ITD) in the film widthwise direction and Raman peak intensity (I55 ) in a direction at an angle of 55 deg. to the surface of the film, is 2.5-20.
Patent JP-2003294560-A (JP)
Title: Rotation detection device for wheel
Inventor: ISHIKAWA HIROO
IPC: G01L17/00
Filed: 2002-04-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a structure capable of detecting the air pressure state in a tire constituting a wheel as well as the rotational speed of the wheel without troubling an assembly work of a sensor.  <P>SOLUTION: A rotation detection sensor and a vibration sensor are provided in a holder 36 constituting a sensor unit 32. Not only an oscillation frequency of the wheel but also a resonance frequency of the wheel is determined by the vibration sensor, to thereby detect the air pressure in the tire constituting the wheel. Resultantly, a wiring work for the rotation detection sensor and the vibration sensor is facilitated, and bulking of an assembly space of each sensor or increase of the number of assembly processes can be prevented.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2002313225-A (JP)
Title: Forming method of electron source, electron source, and imaging device
Inventor: ANDO YOICHI
IPC: H01J31/12
Filed: 2002-04-05
Abstract: PROBLEM TO BE SOLVED: To effectively form a plurality of surface conduction type electron emitting elements which are arranged in matrix-shape, so as to have uniform characteristics. SOLUTION: A matrix, to which the surface conduction type electron emitting elements of 6×6 are arranged, is divided into small matrices (1)-(9), to each of which electron emitting elements of 2×2 are arranged. Formation of each matrix is carried out by impressing a pulse at every 10 μs for 1 second interval, and this process is repeated at every voltage increase of 0.1 V, until the pulse voltage reaches up to 10 V. Taking note of the matrix (1), the pulse with an interval of 1 μs can be successively impressed to another eight small matrices during the pulse interval of 10 μs, namely, the formation of the elements (1)-(9) can be carried out in parallel. Uniform forming of each element can be carried out, so far as the unit of simultaneous voltage impression is within a scale of 2×2.
Patent JP-2003302146-A (JP)
Title: Refrigerator
Inventor: DOI TAKASHI
IPC: F25D11/02
Filed: 2002-04-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a refrigerator of both direct-cooling system and fan-cooling system which can remove dew even when dew is generated on a wall surface of a refrigerating chamber.  <P>SOLUTION: A pipe 29 for removing dew is connected to a wall surface cooling pipe 27 to cool a refrigerating chamber 2, and a refrigerating chamber evaporator 10 is connected thereto. When the dew condition is satisfied, the capacity of a two-stage compressor 18 is enhanced, the opening of an electronic expansion valve 26 is maximized, and a refrigerant is throttled by the pipe 29 for removing dew. Dew removal control to remove dew is performed by setting the difference between the temperature of the refrigerating chamber evaporator 10 and the wall surface temperature of the refrigerating chamber 2 to be at least 2°C.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003295348-A (JP)
Title: Information reader and recording device
Inventor: WATABE SHINGO
IPC: H04N1/04
Filed: 2002-04-08
Abstract: <P>PROBLEM TO BE SOLVED: To realize inexpensiveness, high reliability, and small size by decreasing the number of components and reducing movable components.  <P>SOLUTION: Provided are a first light source 31 which irradiates the top surface side of a sheet ST being carried with read light L1, a second light source 32 which irradiates the reverse surface side of the sheet ST with read light L2, a read sensor 44 which photodetects the read light L1 or L2 and outputs a read signal, a light guide member 37 which reflects the read light L1 and transmits the read light L2 to guide them to the read sensor 44, and a blocking member 36 which exclusively blocks the optical path of the read light L1 from the first light source 31 to the light guide member 37 or the optical path of the read light L2 from the second light source 32 to the light guide member 37.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003299414-A (JP)
Title: Raising seedling pot
Inventor: DOI HIROBUMI
IPC: A01G9/02
Filed: 2002-04-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a raising seedling pot effective for preventing root rot caused by excessive watering and oxygen deficiency in soil and necessitating decreased amount of humus.  <P>SOLUTION: The raising seedling pot A is composed of a side wall 1 and a bottom 2. The bottom 2 is formed in a conical form protruding toward the opening of the side wall 1 and a number of small holes 3 are opened on the bottom. As an alternative, a net having small mesh size is formed in a conical form protruding toward the opening of the side wall 3 to form the bottom. Preferably, the protrusion height H1 of the bottom is set to 1/3 to 1/2 of the height H2 of the side wall.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003302333-A (JP)
Title: Diagnostic method for in-duct contamination and simple evaluation method for duct cleaning effect
Inventor: SAKAMOTO KAZUHIKO
IPC: G01N1/02
Filed: 2002-04-10
Abstract: <P>PROBLEM TO BE SOLVED: To evaluate a dust cleaning effect simply, instantly, quantitatively and precisely when an in-duct contamination is diagnosed.  <P>SOLUTION: An adhesive tape 2 is pasted on a prescribed position at the inside of a duct 1, stuck particles 3, 3, etc., and so on deposited at the inside of the duct are transferred to the adhesive tape 2, the adhesive tape 2 is photographed by a microscope, a photographed image is fetched by a computer 8, the photographed image is binarization-processed by the computer 8, a projection area of the stuck particles is divided by an area of the whole photographed image so as to find an area rate of the stuck particles, and a contamination degree inside the duct is decided on the basis of the area rate of the stuck particles.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003308590-A (JP)
Title: Destination guide method and device
Inventor: ITO MASAYA
IPC: G01C21/00
Filed: 2002-04-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a destination guide method and a device guiding a person to be guided to the destination without letting the person possess a specific appliance and a medium in an open space.  <P>SOLUTION: A plurality of panels 2 having detection parts 21 and light emission parts 22 are disposed on a floor surface of an object area. A route calculation part 12 of a data processing part calculates the route to the destination based on the information on the destination and disposition information. A control part 14 of the data processing part 1 lights the light emission part 22 of the panel 2 on the route ahead of the panel 2 where the person to be guided is positioned. When the detection part 21 detects the person coming to the position of the lighted panel 2, the control part lights the light emission part 22 of the panel 2 on the route ahead of the lighted panel 2.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003314319-A (JP)
Title: Engine control device for garbage cart
Inventor: SUZUKI YOSHITAKA
IPC: F02D29/00
Filed: 2002-04-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a compact, low-cost engine control device for a garbage cart which prevents generation of trouble in engine speed control.  <P>SOLUTION: This engine control device 11 for a garbage cart provided with a hydraulic circuit for operating a loading device and a PTO for transmitting the power of an engine 7 to the hydraulic circuit is also provided with an electric circuit 18 with the structure where a preset voltage is applied when a PTO sensor detects drive of the PTO, a variable resistor 16 provided in the electric circuit 18, and an electrically connecting line 20 for directly connecting the variable resistor 16 and a revolution control unit 19 for controlling engine speed of the engine 7 to each other. The revolution control unit 19 is structured to raise the engine speed of the engine 7 on the basis of an electrical potential of the electrically connecting line 20, and engine speed of the engine 7 is thereby electrically controlled.  <P>COPYRIGHT: (C)2004,JPO