baber/WOPTO huggingface dataset:
Patent JP-H0451674-A (JP)
Title: Video signal dc component reproducing device
Inventor: TANIGUCHI KENJI
IPC: H04N5/18
Filed: 1990-06-19
Abstract: PURPOSE:To obtain a video signal with a correct DC component with few errors by removing the error of the DC component of the video signal clamped once from the video signal with no DC component by a clamp circuit by using an error detection circuit and an error subtraction circuit. CONSTITUTION:The subject device is constituted of the clamp circuit 30 to keep the DC component of the video signal at reference potential by a clamp pulse generated from a synchronizing signal in the inputted video signal, a quantizer 24 to quantize the clamped video signal, the error detection circuit 26 to compare a reference level and the DC component of the quantized video signal, and the error subtraction circuit 27 to remove a detected error value from the quantized video signal. Then, the error of the DC component of the video signal clamped once from the video signal with no DC component by the clamp circuit 30 is removed by the error detection circuit 26 and the error subtraction circuit 27. Thus, the video signal with the correct DC component with few errors can be obtained.
Patent JP-S5860815-A (JP)
Title: Channel selecting device for electronic tuner
Inventor: KAWAI SENJI
IPC: H03J5/24
Filed: 1981-10-07
Abstract: PURPOSE:To reduce contact parts and to improve the reliability of operation, by using a transistor (TR) as a contact for switching among low-band reception of VHF, high-band reception of VHF, and CATV band reception. CONSTITUTION:Terminals of a variable resistance 4 are connected to a switch 10 for selecting variable resistances 6-8 for reception bnad presetting and a switch 26 for selecting a tuning voltage respectively. A switch 22 is equipped with a sliding contact 22a which is associated with the sliding contact of the variable resistance 4 and also applied with the tuning voltage, and two changeover contact pieces 22b and 22c where the sliding contact comes into contact. Then, the sliding contact 22a and changeover contact piece 22b are connected to the intermediate terminal M of the variable resistance 4. Further, the changeover contact piece 22c is connected to a TR28 for controlling a voltage for band switching.
Patent JP-H063154-A (JP)
Title: Fiber-optic gyro
Inventor: TADA HIROHIKO
IPC: G01C19/72
Filed: 1992-06-19
Abstract: PURPOSE:To enlarge the dynamic range without switching the range and to stabilize outputs of a gyro at the time of low inputs by forming a sawtooth signal generating part directly in the system of a synthetic digital synthesizer thereby to constitute a closed loop. CONSTITUTION:The fiber-optic gyro is provided with a signal processing part 40 for generating data D1 corresponding to the phase difference of the light resulting from the Sagnac effect, a circuit part 50 for digitally setting the frequency of a sawtooth signal for heterodyne modulation based on the generated data, and a sawtooth signal generating device 60. The sawtooth signal generating device 60 is provided with means 62 for accumulating digitally-set frequency data D4 thereby to produce data D7 corresponding to the digital sawtooth signal, and a D/A converter 68 for generating a sawtooth signal A15 for heterodyne modulation through direct analog conversion of the generated data D7. Accordingly, the fiber-optic gyro constitutes a closed loop as a whole. Therefore, it is possible to cover the wide dynamic range without switching the range when the frequency of the sawtooth signal is changed, and maintain well the stability of outputs of the gyro even at the time of low inputs.
Patent JP-H0915328-A (JP)
Title: Vehicle-borne measuring equipment
Inventor: SEKINE CHOGO
IPC: B60G23/00
Filed: 1995-06-27
Abstract: PURPOSE: To measure a vehicle speed and others accurately even when a transmitted signal is totally reflected by a road surface. CONSTITUTION: A transducer TR1 transmitting a signal vertically to a road surface is provided together with a transducer TR2 transmitting a signal at a prescribed radiation inclination θ to the road surface. Based on the timing of reception of an echo by the transducer TR1, a reception detecting gate relating to the transducer TR2 is set. Accurate detection of a vehicle speed and others is enabled even when the road surface is in a state of total reflection due to submersion thereof under water or others and when a level of reception of scattered waves by the transducer TR2 is thereby lowered.
Patent JP-H09313593-A (JP)
Title: Catheter balloon and manufacturing method thereof
Inventor: FUKAYA KOHEI
IPC: A61L29/00
Filed: 1996-05-31
Abstract: PROBLEM TO BE SOLVED: To improve shape following performance during balloon dilatation by setting the ratio of tensile elastic moduli in axial and circumferential directions at a value not higher than a specific one. SOLUTION: The ratio of the axial direction tensile elastic modulus (Young's modulus) and the circumferential direction tensile elastic modulus (Young's modulus) of a straight tube part of a catheter balloon formed of polymer materials such as polyethylene, etc., is set at a value not higher than 0.95. The dimension change ratio per 1kgf/cm<2> in the straight tube axial direction when a pressure is loaded into the catheter balloon is specified to not lower than 0.60%. Further, the dimension change ratio in the axial and circumferential directions of the straight tube part is set to not lower than 0.45. Drawing amounts in the axial and circumferential directions are further adjusted.  The stress generated in the balloon part can be reduced by making easily drawn in the axial direction like this, and the blood vessel shape following performance during balloon dilatation can be improved. Any polymer material which can be worked by drawing can be used as the material for the balloon part.
Patent JP-2000351627-A (JP)
Title: Iron oxide particle and its production
Inventor: WATANABE HIROYUKI
IPC: G03G9/10
Filed: 1999-06-08
Abstract: PROBLEM TO BE SOLVED: To obtain a particle not intentionally containing an element to be added to an environment, having high electric resistance, slight aggregating of powder, improved dispersibility and handleability, preventing deterioration of FeO and reduction in blackness and having stability by making the particle have an electric resistance of a specific value or higher than it and not include an element on and after a specific atomic number. SOLUTION: This iron oxide particle requires >=1×104 Ω.cm electric resistance. The iron oxide particle contains no element of an atomic number on and after 21 except Fe. Especially the lower content of transition metal is preferable so as to suppress a load to an environment. The iron oxide particle has a coated layer consisting essentially of Fe3+ as a metal component and <=50% degree of aggregation. The shape of the iron oxide particle is a hydroxide, oxide, etc. The content of Fe3+ in the coated layer is preferably 0.1-10 wt.% based on the total of iron oxide particle. The iron oxide particle is produced by neutralizing and mixing an aqueous solution of ferrous salt with an aqueous solution of an alkali to give a slurry, adding an aqueous solution of Fe3+ to the slurry and adjusting the slurry to pH >=2.
Patent JP-S5684622-A (JP)
Title: Method for dissolving or dispersing powder and granular agent in sealed vessel
Inventor: HIROSE EIICHI
IPC: B01F1/00
Filed: 1979-12-12
Abstract: PURPOSE: To save vessel materials and make a transportation of vessel simple by coupling a vessel of a small volume for a powder and granule and a vessel of a large volume made of a thin-walled synthetic resin, whose side walls have elasticity, with the former placed in an upper position and pressing the side wall of the liquid vessel.  
     CONSTITUTION: Powder and granular agents 1 are filled nearly full in a vessel 2 of a small volume and the vessel is sealed. This vessel is coupled at the vial for mixing the medicines 5 to a vessel 4 made of synthetic resin of a large volume with highly elastic side walls in which distillated water 3 has been sealed, with the vessel 2 placed in an upper position. Thence, the distilled water vessel is repeatedly pressed by the fingertips 6 to locally recess, for example, the side wall part, thence the depressing is stopped and the powder and granular agents are sucked from the vessel 2 in the upper position downward owing to the negative pressure generated in the vessel at the time when the dent part restores bulging, whereby said agents are introduced into the distilled water 3 in the lower position vessel, and these are dissolved or dispersed. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S5862499-A (JP)
Title: Apparatus for controlling heat exchanger used in enriching apparatus
Inventor: EBISAWA KAZUO
IPC: F28F27/00
Filed: 1981-10-09
Abstract: PURPOSE:To enable to raise the temperature of a liquid to be treated promptly, by dividing the temperature range between the actual temperature and an aimed temperature into a plurality of sections, driving a stepwise signal generating circuit by temperature signals given every moment, and controlling a control valve for varying the flow rate of heating vapor. CONSTITUTION:The temperature range between the actual temperature and an aimed temperature is divided into a plurality of sections, and temperature signals 10A of a liquid 3 to be treated in an enriching means 1, detected by a temperature detector 10, are applied to a control unit 21, which makes a stepwise signal generating circuit 22 produce an output 22A corresponding to the maximum temperature of a temperature section to which the temperature signal 10A belongs. Then, comparison is made between the output 22A and a signal 9A relating to the flow rate of heating vapor by a deviation detecting circuit 23, and the deviation signal 23A obtained by the circuit 23 is subjected to proportioning and integrating operation in an arithmetic circuit 24, and a flow control valve 7 is controlled by a control signal 24A produced by the arithmetic circuit 24.
Patent JP-S6319186-A (JP)
Inventor: IWAKIRI SHUNICHI
IPC: D06F39/02
Filed: 1986-07-09
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S6141469-A (JP)
Inventor: HANSU YURUGEN DETOBARUN
IPC: A61M5/30
Filed: 1985-07-23
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H0325212-A (JP)
Title: Gas explosion preventing device
Inventor: ENDO KOICHI
IPC: F23N5/24
Filed: 1989-06-22
Abstract: PURPOSE:To enable execution of a release work only by disconnecting a minimum power source by a method wherein a source disconnection distance in which a distance from a position where leakage of gas occurs is gradually increased according to gas concentration and a time is provided by fuzzy inference, and based on the distance, the power source is disconnected. CONSTITUTION:A gas concentration detector 2 to detect gas concentration is arranged in the vicinity of a gas device 1, and concentration signal is inputted to a fuzzy controller 3 directly and through a differential circuit 4. With the progress of input of the signal, the fuzzy controller 3 outputs a disconnection distance signal by means of which power sources are disconnected, in order, in response to a distance from the gas device to the gas device according to a diffusion state of leak gas when leakage of gas from the gas device 1, and the output is inputted to a discriminating circuit 6. Further, the discriminating circuit 6 outputs a signal, by means of which a power source is disconnected, to a necessary source control part through comparison of distances from the gas device 1 to source control parts 7a, 8a, 9a... with each other based on a disconnection distance signal. This constitution facilitates a release work.
Patent JP-H062145-A (JP)
Title: Photo-cvd apparatus
Inventor: WAKINO KIKUO
IPC: H01S3/00
Filed: 1992-06-19
Abstract: PURPOSE:To shorten the distance between a laser ray transmitting part and a substrate to precisely form a fine thin film circuit pattern by arranging a laser device used as a light source outside a vacuum chamber and making the vacuum chamber thin. CONSTITUTION:The photo-CVD apparatus 11 is formed by a laser device 12, a laser ray transmitting part 13a and a vacuum chamber 13. The laser ray transmitting part 13a transmits laser rays 12a irradiated from the laser device 12. And the vacuum chamber 13 has an introducing hole 13b and a discharging hole 13c for carrier gas 15, in which a substrate 14 is arranged. And by a reaction product of the laser rays 12a thus irradiated and the carrier gas 15, a thin film pattern is formed on the substrate 14.
Patent JP-H08333693-A (JP)
Title: Electrolytic cell
Inventor: SHIMAMUNE TAKAYUKI
IPC: C25B9/19
Filed: 1995-06-05
Abstract: PURPOSE: To produce gaseous chlorine and caustic soda with reduced electric power consumption by forming the cathode of a caustic alkaline electrolytic cell of an ion exchange membrane type to gas diffusion electrodes and mounting louvers to the surface thereof. CONSTITUTION: The electrolytic cell 1 is segmented by the ion exchange membrane 2 to an anode chamber 3 and a cathode chamber 4 at the time of producing the gaseous chlorine and the caustic soda by electrolyzing brine with electrolysis by the ion exchange membrane system. The anode 5 made of an expanded mesh is mounted at the anode chamber and the gas diffusion cathode 6 at the cathode chamber, respectively, on both surfaces of the ion exchange membrane 2. A flat planar power feeder 9 which is projected with notches 7 outward and is formed with the plural louvers 8 longitudinally and transversely is mounted at the cathode 6 in tight contact therewith. Both electrodes 5, 6 are energized while the brine is supplied to the anode chamber 3 and an oxygen-contg. gas is supplied to the cathode chamber 14.  The NaOH formed at the cathode 6 flows down along the surfaces of the louvers 8 of the power feeder 9 and, therefore, the coating of the cathode surface with the NaOH does not arise and the current distribution of the cathode surface is made uniform. The drop in the cell voltage is resulted and the electrolytic reaction is effected with the lower electric power.
Patent JP-S5685504-A (JP)
Title: Nozzle diaphragm
Inventor: AMANO NORIFUMI
IPC: F01D9/04
Filed: 1979-12-14
Abstract: PURPOSE: To maintain the high efficiency for permanently long term by a method wherein outer and inner rings of a diaphragm are arranged intergrally and thereafter a nozzle is installed by the use of a non-heating means.  
     CONSTITUTION: Between an outer ring 12 and an inner ring 13 of a nozzle diaphragm 4, a reinforcing member 15 is provided at a space where a nozzle 9 is to be located later, so as to form the diaphragm portion 4 with the satisfied constructional strength in the state that the nozzle 9 serving as a heat efficiency element is not yet installed. Heads 16, 17 for engaging are provided at the upper and lower sides of the nozzle 9 and nozzle engaging grooves fitted to the heads 16, 17 are provided in the outer and inner rings 12, 13 at the side of a steam path thereof. The nozzle 9 is mounted by fitting the heads 16, 17 of the nozzle 9 to the above grooves. By so doing, it becomes possible to improve the efficiency and exchange the nozzle 9 even under the operation. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H105761-A (JP)
Title: Purifying method of condensate
Inventor: OISHI TERUHIKO
IPC: C02F1/44
Filed: 1996-06-21
Abstract: PROBLEM TO BE SOLVED: To efficiently remove impurities such as colloidal iron or the like from a condensate of a nuclear power plant, a thermal power plant or the like. SOLUTION: The condensate is treated with a polysulfone based hollow yarn membrane having a pore diameter continuously decreased from the inner surface of the membrane toward the outer surface and composed of an asymmetric structure having a dense layer having the smallest pore diameter in the vicinity of the outer surface. The hollow yarn membrane having a precoat layer of an adequate filter aid, which is formed on the outer surface, is particularly used and further the removing efficiency of a clad is improved by treating by an external pressure type full filtration.
Patent JP-S5951452-A (JP)
Title: Fluorescent lamp for display
Inventor: KANEKO TADAAKI
IPC: H01J61/30
Filed: 1982-09-17
Abstract: PURPOSE:To raise the mounting density of a lamp by sealing a common electrode and three opposing electrodes into the opening part of a closed-end cylindrical lamp body, arranging the partition to form three U-shaped discharge passages between common electrodes after mutually dividing the opposing electrodes, and forming a fluorescent film on the inside surface of a lamp body bottom part, thus providing an united trichromatic fluorescent lamp. CONSTITUTION:Red, green, and blue trichromatic fluorescent films 6R, 6G, 6B are provided on the inside surface of an outer tube 5 in a state where an upper part outer tube 5 is radially partitioned, thereby a display surface 7 to be formed. For a partition 8 made of transparent glass, a central wall part 8a concentric to the peripheral surface of said outer tube 4 is provided on the center of the lower outer tube 4, and side wall parts 8b mutually separated by the angle of 120 deg. radially extending from said central wall outer peripheral surface are provided, and the lower ends of these central walls 8a and the side wall 8b are arranged in a body with a stem part 3. A space is provided being sufficient to form a discharge passage between said central wall 8a and the display surface 7 of the upper part outer tube 5.
Patent JP-S5861568-A (JP)
Title: Matrix type fuel cell
Inventor: KUMETA MASAO
IPC: H01M4/86
Filed: 1981-10-08
Abstract: PURPOSE:To prevent gas poles from being collapsed at their edges by adhering thin resin tapes on a negative and a positive gas poles at opposing peripheries located at a right angle with the flow directions of reaction gases in individual feed grooves provided on a gas separation plate. CONSTITUTION:A cell pile 1 is formed by a unit cell 5 with a matrix 4 containing an electrolyte inserted between a hydrogen pole 2 and an air pole 3 and by a gas separation plate arranged with a plurality of hydrogen feed grooves 6 and oxygen feed grooves 7 on both its faces in intersecting directions with each other, and a plurality of cell piles 1 are stacked to constitute a fuel cell. Fluororesin tapes 9, 10 with a thickness of some 0.1mm. are previously adhered in a U-shape on a opposing peripheries located at a right angle with the flow directions of individual reaction gases. Therefore, even if the tightening pressure is applied during stacking, gas pole edges are not broken, nor inlet and outlet portions of gas feed grooves are narrowed, thus the cell performance can be improved.
Patent JP-H0513865-A (JP)
Title: Optical function glass
Inventor: ONISHI MASASHI
IPC: G02F1/35
Filed: 1991-07-02
Abstract: PURPOSE:To obtain an optical function glass capable of increasing the efficiency of optical amplification in a 1.3mum wavelength band, and an optical fiber amplifier or the like using said glass. CONSTITUTION:As to an optical function glass used in an optical fiber 30, Pr as active material is added to fluorophosphate glass or phosphate glass. As the result, asymmetry of the site of Pr is considered to be increased as compared with the case where fluoride glass is used. Pr is excited by the exciting light of 1.007mum wavelength from a laser light source 32. The excited Pr is induced by a signal light, and generates radiation light in a 1.3mum wavelength band corresponding to transition <1>G4 <3>H5. On account of asymmetry of the site, generation efficiency of the radiation light is improved. When the exciting light exceeds specified intensity, the signal light is effectively amplified.
Patent JP-H0718982-A (JP)
Title: Soil removing device fitting mechanism in shield machine
Inventor: MORITA MICHIAKI
IPC: E21D9/06
Filed: 1993-06-30
Abstract: PURPOSE:To widen the allowable range of an intermediate folded angle and increase the productivity. CONSTITUTION:The front shielding pipe 12 is turned against the rear shielding pipe 13 so as to bend the shielding at the intermediate position and a screw conveyor 7 is fitted to a partition wall 9 of the front shielding pipe, in a shield machine. The inner peripheral face at one end of an outer casing 1 fitted to the partition wall 9 at the other end is formed to be a smooth face having a cylindrical face. A spherical protrusion formed at the outer periphery of the one end of an inner casing in which the screw conveyor 7 is installed at the other end, is fitted so as to be in contact with the inner peripheralface of the other end. When the front shield pipe 12 is turned by connecting both casings 1, 2 with pins 5a, 5b in the part of contact, the screw conveyor 7 is turned by an appropriate angle in the direction opposite to that of the turn so that the rear part thereof does not interfere with the surrounding devices.
Patent JP-S5950475-A (JP)
Title: Intermediate transfer material
Inventor: KOMIYA KOUJI
IPC: G03G15/20
Filed: 1982-09-17
Abstract: PURPOSE:To improve the transfer rate of a toner image, by using an intermediate transfer material having a transfer layer of a specific surface roughness in an electrophotographic copying device of the intermediate transfer system. CONSTITUTION:A toner image attained by developing an electronic latent image on a photosensitive drum 1 by a developing device 3 is transferred to an intermediate transfer roll 35 in a depressing transfer part 6 and is transferred to a copy paper 15 in a transfer and fixing part 12. In this electrophotographic copying method, the intermediate transfer roll 35 where a transfer layer 32 having a surface roughness 0.01-2 times as rough as the average particle size of the used toner is provided on a base material 31 is used. For example, the surface of the transfer layer 32 is so rugged that relations P>=2h, 0.1mu<=P<=100mu, and 0.05mu<= h<=50mu are satisfied (P is the distance between projecting parts on the surface of the transfer layer and (h) is the depth of recessed parts).
Patent JP-S6140776-A (JP)
Title: Preparation of protein drink sterilized by heating at high temperature
Inventor: MACHIDA HAJIME
IPC: A23L11/00
Filed: 1984-08-01
Abstract: PURPOSE:To prepare a protein drink, sterilized by heating at a high temperature without causing insoluble flocculants even preserving under high temperature conditions for a long period, by adding a small amount of sucross ester of a fatty acid to a protein drink of specific omposition. CONSTITUTION:0.01-0.5wt% sucrose ester of a fattery acid having >=3HLB, preferably 5-11HLB is added to a protein drink sterilized by heating at a high temperature, and containing 0.5-5.0wt% protein and 0-5.0wt% fat, e.g. milk drink, coffee milk drink, soybean milk drink, etc.
Patent JP-H05329865-A (JP)
Title: Method and its device of injection vacuum molding
Inventor: OTAKE EIJI
IPC: B29C69/02
Filed: 1992-05-28
Abstract: PURPOSE:To mold a thin molded product having a thick part partly without necessitating a triming process and moreover at a low cost. CONSTITUTION:A stationary mold 3 fitted to a stationary platen 1 and a slide mold 5 arranged on the lower part of a die plate 4 fitted to a movable platen 2 are clamped and a premolded product having a thick part partly is injection- molded. After the premolded product is cooled and solidified to a temeprature wherein vacuum molding is possible, a piston rod of a hydraulic cylinder 8 is ejected, through which the slide mold 5 is slid along a quide rail 6 and positioned to a position facing on the vacuum molding machine. After that, since a vacuum molding is performed by clamping a vacuum molding tool 11 to a slide mold 5 by raising a vacuum box 10 by ejecting a piston rod 13a of the second hydraulic cylinder 13, a part of the premolded product other than a thick part is molded along a cavity of the vacuum molding tool.