baber/WOPTO huggingface dataset:
Patent JP-S57157556-A (JP)
Title: Amplifying circuit
Inventor: SUZUKI SHIYUNICHI
IPC: H01L27/092
Filed: 1981-03-23
Abstract: PURPOSE: To obtain a voltage amplifying circuit having high sensitivity, less necessary power and high performance by forming the circuit of three FETs connected in series with each other, applying the prescribed voltage to one terminals, ground the other terminals, and connecting capacitors ground at one respective teriminals to the two connecting points of the FETs connected in series.  
     CONSTITUTION: The first, second and third FET elements Q 1 , Q 2 , Q 3  are connected in series with each other, a power source is connected to the other terminal of the element Q 1 , and the other terminal of the element Q 3  is grounded. Grounded capacitors C 1 , C 2  in which the ground capacitances are set at C 2 > C 1  are connected to the connecting points of the elements Q 1  and Q 2 , Q 2  and Q 3 , and the other terminals are grounded. Subsequently, a clock signals ϕ 1  is inputted to the gate of the element Q 1 , an input signal Vin is applied to the gate of the element Q 2 , and a clock signal ϕ 2  not superposed with the signal ϕ 1  is inputted to the gate of the element Q 3 . Thus, an output signal V 0  amplified at a rate of C 2 >C 1  with respect to the varied amount of the input signal Vin can be obtained from the connecting point of the elements Q 1  and Q 2 . 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-2000239260-A (JP)
Title: Production of optically active 2-piperazinecarboxylic acid
Inventor: KURANISHI HIDEKI
IPC: C07D241/04
Filed: 1999-02-19
Abstract: PROBLEM TO BE SOLVED: To obtain the subject colorless compound having a high optical purity by optically resolving (RS)-piperazinecarboxylic acid using optically active N-benzenesulfonyl-L-phenylalanine as a reagent for optical resolution. SOLUTION: Optically active 2-piperazinecarboxylic acid isolated from a reagent for optical resolution is obtained by using, e.g. water or a mixture solvent of water with alcohol, adding (A) (RS)-2-piperazinecarboxylic acid [racemic 2-piperazinecarboxylic acid and one containing more of (R) isomer or (S) isomer] and (B) optically active N-benzenesulfonyl-L-phenylalanine as the reagent for optical resolution, dissolving them under agitation at preferably about 80 deg.C, then after cooling, precipitating crystals of hardly soluble salt in diastereomer salts formed with optically active 2-piperazinecarboxylic acid with the ingredient B, separating the crystals by filtering the precipitated crystals and saltlyzing the obtained hardly soluble salt. In the above mentioned method, it is preferable to use 0.3-3.0 moles of the ingredient B to 1 mole of the ingredient A.
Patent JP-S53126503-A (JP)
Title: Variable volume type hydraulic device
Inventor: HORIUCHI TAKESHI
IPC: F04B1/20
Filed: 1977-04-12
Abstract: PURPOSE: To provide the hydraulic device which is so designed that only a spring resistance is given to a cum as an optional output is obtained, a cum could move highly precisely and admage of a part, which contacts the cum, could be minimized. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S62197169-A (JP)
Title: Method for preventing clogging of rotary basket in centrifugal dehydrator
Inventor: MATSUO TAIYO
IPC: B04B3/00
Filed: 1986-02-26
Abstract: PURPOSE:To enable continuous operation by preventing the clogging of a rotary basket, by detecting the pressure difference in a centrifugal dehydrator to automatically add water. CONSTITUTION:Pressure sensors 10, 11 are respectively provided in a product discharge chamber 7a and a drain chamber 7b to measure air pressures before and after a rotary basket 4. Pressure difference is generated before and after the rotary basket 4 by the pressure of air transporting a particulate stock material to be dehydrated such as an iron ore or coal and negative pressure accompanied by the rotation of the rotary basket 4 but, if the absolute value of said pressure difference shifts from a predetermined range by the clogging of a filter part 15, a comparing control circuit 12 opens the valve 14 of a water pipe 13 to add water to the stock material transported by air. by this method, the adhesion substance to the filter part 15 is washed off and, if the absolute value of the pressure difference enters a predetermined range, the addition of water is stopped and, therefore, continuous dehydrating operation is enabled.
Patent JP-H06167346-A (JP)
Title: Position information system
Inventor: OBA HIDEO
IPC: G08G1/0969
Filed: 1992-01-14
Abstract: PURPOSE:To realize a system for providing information to achieve or reach various kinds of purposes and destinations by optimum routes and means quickly by developing a satellite with position-measurement, communication, and broadcasting functions, confirming current positions by position measurement, and then receiving image information instructed by transmission/reception and broadcasting function of information by communication functions. CONSTITUTION:A satellite 1 combining broadcasting, communication, position- measurement transmission/reception is developed for obtaining position information and at the same time communication reception functions such as communication, facsimile, message, image data, video data, and photo are achieved. A position information system terminal 8 is provided with the reception and display functions of three-dimensional building shape map information, a combination function of aircraft road map information and traffic jam information display, instructs optimum road information/direction when a destination is input, at the same time instructs current positions and directions with arrows on a map display panel. Also, various pieces of information available in a position information system center can be received.
Patent JP-H08217089-A (JP)
Title: Self-standing packaging bag and production thereof
Inventor: KACHI HIROAKI
IPC: B65D81/26
Filed: 1995-02-07
Abstract: PURPOSE: To retain an auxiliary agent in a packing bag in a stable state, by retaining the auxiliary agent between the want material which passes water and gas but does not pass powdery materials, etc., and which has a heat-sealing property and the side wall sheet constituting the packaging bag. CONSTITUTION: A front base material 1, a rear base material 1', a wall material 2, and a bottom material 3 are prepared. The wall material 2 is superposed with either one or both heat-sealing faces A, A' of the front base material 1 or the rear base material 1' and the top 4 thereof is heat-sealed to form a heat-welded part X. The bottom materials 3 are put between the front base material 1 and the rear base material 1' so as to oppositely position the heat- sealing property faces and respective heat-sealing property faces A, A', B, B', C facing each other through the wall material 2 at both right and left side ends 5, 6 are heat-sealed to form heat-seal parts Y, Y'. Then, an auxiliary agent 7 like a drying agent, etc., is charged between the wall material 2 and the front and rear base materials 1, 1' at the lower end forming the bag bottom and the lower ends 8, 8' constituted of the front and rear base materials 1, 1', the wall material 2, and the bottom material 3 are heat-sealed to finally form heat-welded parts Z, Z'.
Patent JP-S61203907-A (JP)
Inventor: KOYAMA YUKIO
IPC: A47B81/06
Filed: 1985-03-04
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-H07246525-A (JP)
Title: Installation method for string-shaped part and its installation device
Inventor: KATO MASAHIKO
IPC: B23P19/02
Filed: 1994-03-14
Abstract: PURPOSE:To install each string shaped-part onto the plural kinds of works without giving rise to an increase in production cost and the complication of part management. CONSTITUTION:The device is provided with a feed process feeding a rubber seal S along a groove D formed over a timing belt cover W, a process pressing the fed rubber seal S in the groove D with pressure in order, and a process cutting the fed rubber seal S into a specified length. The length of a string shaped-part can be set each occasion in response to the length of the groove D.
Patent JP-H06254174-A (JP)
Title: Remote controller for fire engine
Inventor: YOKOMAKU KAZUYA
IPC: A62C27/00
Filed: 1993-03-03
Abstract: PURPOSE:To know the water pressure on a nozzle side and obtain the operating power source electric power on the nozzle side from a fire engine side. CONSTITUTION:The water pressure of the supply water of a fire-fighting hose is detected by a detection part 23, and the carrier wave is intermittently modulated by the pulse having the width corresponding to the water pressure, in the communication part 21 of a main control part 12 installed on a fire-fighting vehicle and sent into a communication line 13. The communication line 13 is installed along the hose, and an electric power source 14 on the fire fighting vehicle side is connected to the communication line 13. A remote control part 11 installed on the nozzle of the hose is operated by the electric power of the electric power source 14 having a prescribed voltage in an electric power source circuit 15 connected to the communication line 13. A communication part 16 receives and decodes the intermittent carrier wave supplied from a main control part 12, and regenerates the water pressure information corresponding to the pulse width, and the information is displayed in a display part 17. The communication part 16 connects and disconnects the carrier wave by the pulse having the width which is different according to the operation of each operating switch 18b, 18s, 18i, and 18d in the start, stop, acceleration and deceleration, and the result is supplied into the communication line 13 between the water pressure intermittent carrier waves.
Patent JP-H07254157-A (JP)
Title: Optical disk device
Inventor: SUZUKI MOTOYUKI
IPC: G11B7/085
Filed: 1994-03-14
Abstract: PURPOSE:To form an optical disk device capable of stably accessing the address of a target address and realizing a stable focussing and tracking servo in an optical disk having a read only ROM area and a writable RAM area in one optical disk area. CONSTITUTION:A servo type switching signal C is generated by a bit signal detecting circuit 8 and a servo type switching generating circuit 9, and when a a bit signal is not included in a reproducing signal, the polarity of the servo type switching circuit, a gain and the gain of a focussing servo signal are changed and a track jump signal is generated in order to accelerate and deccelerate an optical spot from a 1/2 track jump circuit 12 in a disk radial direction.
Patent JP-S58161098-A (JP)
Inventor: HORIUCHI MICHIMASA
IPC: G01R31/00
Filed: 1982-03-19
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-S51117022-A (JP)
Title: Production method of elimination head of taperecorder
Inventor: NAKAMURA KOUMEI
IPC: G11B5/325
Filed: 1975-04-07
Abstract: PURPOSE:To effectively produce many cylindrical elimination head for halftrack elimination of magnetic tape from a bar permanent magnet.
Patent JP-S56139433-A (JP)
Title: Preparation of 1,1,1,3,3,3,-hexafluoropropan-2-ol
Inventor: KAWAI TOSHIKAZU
IPC: C07C27/00
Filed: 1980-04-03
Abstract: PURPOSE:To obtain the titled compond useful as a surface active agent, etc., quantitatively and economically, without producing acidic by-products, by the vapor- phase catalytic reaction of hexafluoroacetone with hydrogen in the presence of a nickel catalyst under specific temperature condition. CONSTITUTION:1,1,1,3,3,3,-Hexafluoropropan-2-ol is prepared economically, with long catalytic life, without producing acidic by-products, by the vapor-phase catalytic reaction of hexafluoroacetone with hydrogen in the presence of an inexpensive nickel catalyst under mild temperature condition (i.e. at 30-140 deg.C). The hydrogenation reaction proceeds selectively and almost quantitatively. A wide variety of nickel catalyst can be used as the above catalyst, e.g. the reduced nickel catalyst, the decomposed reduced nickel catalyst, or those supported on active carbon. The amount of the catalyst is pref. 0.1-5pst./1pt. of the hexafluoroacetone used as a raw material.
Patent JP-S55136244-A (JP)
Title: Manufacture of metal soap
Inventor: NORUBERUTO PIITORAARA
IPC: C09F9/00
Filed: 1980-04-03
Abstract: The invention relates to a method for producing metal soaps by reacting aliphatic carboxylic acids with metal oxides, metal hydroxides and/or metal carbonates, wherein the metal soaps are directly obtained in the form of granulates without requiring an additional granulating step.
Patent JP-H01216720-A (JP)
Title: Method and device for plastic machining of fiber reinforced plastic
Inventor: MARUYAMA KAZUO
IPC: B29C70/06
Filed: 1988-02-25
Abstract: PURPOSE:To enable highly accurate forming operation and mass production by giving an ultrasonic vibration to a forming tool or material to carry out the forming operation at the time of the forming operation of a fiber reinforce thermoplastic. CONSTITUTION:At the time of the forming operation of a fiber reinforced thermoplastic, the forming operation is carried out by giving ultrasonic vibration in which vibration and power from three Langevin type electrostrictive vibrators 3 are synthesized to a thread forming tool 7. As a result, due to the operation of ultrasonic wave, it is not necessary to heat the thread forming tool 7 or to heat or wet a material as in the conventional case enabling formation with favorable flow of fiber as well as favorable configuration accuracy to carry out the highly accurate formation and mass production of fiber reinforced plastic.
Patent JP-H01219201-A (JP)
Title: Foaming resin block for foundation of construction and manufacture thereof
Inventor: KOSUGI TAKEO
IPC: E02D3/00
Filed: 1988-02-25
Abstract: PURPOSE:To make it possible to show a drainage function in a laminated state and to drain the rain and the like into the foundation on the underside or the outside of the side by forming an appropriate number of perforated holes lengthwise and/or crosswise on foaming blocks of synthetic resin. CONSTITUTION:A number of perforated holes 2 are formed lengthwise or crosswise on foaming resin blocks 1. In case of constructing a laminated structure 10, foaming blocks are so piled up in the vertical direction that the perforated holes 2 of the foaming resin blocks 1 fit with each other. According to the constitution, in the execution at a watery site, the buoyance of resin blocks 1 can be reduced to facilitate the construction of a piling up of foaming blocks and the execution of laying them underground.
Patent JP-S58159388-A (JP)
Title: Semiconductor laser device
Inventor: OKAJIMA MASASUE
IPC: H01S5/00
Filed: 1982-03-18
Abstract: PURPOSE:To enhance the withstanding characteristic of the titled device against an excess current by a method wherein the edge face of an active region containing an active layer is buried in the inner part deeper than the edge face of the laser resonator by a buried layer having width of the forbidden band larger than said active layer, and moreover an auxiliary clad layer having width of the forbidden band larger than the active layer and smaller than main clad layers is formed on one side between the active layer and the clad layers. CONSTITUTION:The main clad layer 2, the auxiliary clad layer 3, the active layer 4, the auxiliary clad layer 5, the main clad layer 6 and an ohmic contact  layer 7 are made to grown epitaxially in order on a substrate 1. Then mesa  etching is performed to the respective layers 2-7 up to depth to reach the substrate 1 using an Si3N4 film 12 as the mask. Thereafter, the mesa region is  buried by the buried layer 8 using the Si3N4 film 12 again as the mask. Then  after the Si3N4 film 12 is removed, an insulating film 9 is formed only on the buried layer 8, and after then, metal electrodes 10, 11 are formed by evaporation.
Patent JP-H09234741-A (JP)
Title: Resin molded product and its production
Inventor: OSUMI KOSEI
IPC: B29C45/37
Filed: 1996-02-29
Abstract: PROBLEM TO BE SOLVED: To provide a molded product having no sink and free from a conspicuous cavity or difference in level. SOLUTION: In molding a resin molded product having a main body and the protruding part extended from the main body, the molding surface 25 corresponding to the root part of the protruding part to the main body and the molding surface 26 corresponding to a part of the main body adjacent to the protruding part are formed to a first mold 21 and a core 22 having heat conductivity lower than that of the mold and reduced in thickness as going away from the molding surface 25 corresponding to the root part is arranged and this mold 21 and other second mold 23 are used to mold the resin molded product. The core 22 can be substituted with the member (gradual change part) extending from the root part to the main body of the protruding part along the main body and molded simultaneously with the primary molding of the protruding part so as to gradually become thin from the root part.
Patent JP-H04280803-A (JP)
Title: Method for forming oxide thin film and laminate of oxide thin film and insulating thin film
Inventor: SASAKI NOBUO
IPC: C01G15/00
Filed: 1991-03-08
Abstract: PURPOSE:To provide a method for forming an oxide thin film having abrupt surface and thin thickness without producing miss fit on the interface at a low growth temperature, and provide a laminate of oxide high-temperature superconductor and an insulating thin film capable of forming at low growth temperature, making no miss fit on the interface and having abrupt interface and thin thickness, in the improvement of method for forming an oxide thin film such as a high-temperature superconducting thin film and the improvement of a laminate of the oxide thin film and an insulating thin film. CONSTITUTION:A method for forming a laminate of oxide superconductors comprising bismuth-based, yttrium-based, lanthanum-based, thallium-based semiconductors, etc., where the laminating order of these component-elemental atoms in the oxide superconductors is equal do the two dimensionally laminated order of said component elements in the crystals of said oxide superconductors, on an MX2 type crystal substrate.
Patent JP-H03246530-A (JP)
Title: Camera for painting and calligraphy
Inventor: TAKEHARA TADAMI
IPC: G03B15/02
Filed: 1990-02-23
Abstract: PURPOSE:To freely move an illuminating device and to eliminate the need of backlight which is necessary for photographing a positive film, etc., by attaching the illuminating device to a support through a flexible member. CONSTITUTION:This camera is provide with a transparent original platen 9 which is attached to the support 3 and on which an original 6 or the positive film 7, etc., is placed, and the illuminating device 10 which is attached to the support 3 through the flexible member 11 so that it can be freely moved. In the case of the ordinary original 6, the device 10 is moved to be above the original platen 9 so as to illuminate the original from above and photographing is performed. Meanwhile, in the case of the positive film 7, the device 10 is moved to be below the original platen 9 so as to illuminate the film 7 from below and photographing is performed. The device 10 is constituted so that it can be freely moved and go under the original platen 9. Thus, the ordinary original 6 and the positive film 7 are illuminated from above and from below respectively by using one illuminating device, thereby sharing the illuminating device and making the backlight for the positive film needless.
Patent JP-H06255080-A (JP)
Title: Press roller and gripping feed roller device
Inventor: KATO HIROKAZU
IPC: B41F16/00
Filed: 1993-03-04
Abstract: PURPOSE:To obtain a press roller easy to produce and generating no lowering of pressing force due to the bending of the roller and a gripping feed roller device having a simple structure by setting the outer periphery of the core metal having an expanded diameter part at the intermediate part in the axial direction thereof of the press roller to an almost uniform external shape dimension by an elastic member. CONSTITUTION:Between housing plates 88, a spit-shaped temporary clamping roller 150 and a guide roller 152 are arranged up and down in pair on the side of a working part 18 and the heating transfer rollers 94, 96 corresponding to a press roller and a support member are arranged up and down in pair on the side of a receiving part 24. The roller 152 and the heating transfer roller 96 are prevented from downward movement to support the upper roller 150 and the upper heating transfer roller 94. Next, since the rollers 94,96 have expanded diameter parts 160 formed to the intermediate parts thereof, even when bending is generated and the axes of the rollers 94, 96 are separated, the mutual outer peripheral parts of the rollers, especially, both end parts of the expanded diameter parts 160 are not mutually separated. Therefore, the pressure equal to energizing force acts on both end parts of the mutual expanded diameter parts 160 of the rollers 94, 96.
Patent JP-H10239118-A (JP)
Title: Indicator board of measuring instrument
Inventor: NOMIZU SHUICHI
IPC: G12B11/02
Filed: 1997-02-27
Abstract: PROBLEM TO BE SOLVED: To provide an indicator board of measuring instrument having a high-grade appearance at a low cost, by forming an index section and surface colored layer of one indicator board so that a level difference feeling may be obtained between the section and layer and constituting the surface colored layer in the form of a facing plate. SOLUTION: The indicator board 6 is constituted by forming a surface colored layer 2, which is colored in, for example, block or gray on the surface side of a light transmissive substrate 1 and providing a displaying section 3 composed of a punched section, which does not contain the colored layer 2 on the surface side of the substrate, and then, providing an index section 4 composed of characters, numerical characters, scale divisions, etc., indicated by the pointer 12 of a measuring instrument, which angularly rotates above the index section 4 on the rear surface side of the substrate 1 positioned on the displaying section 3 and printing a ground color layer 5 colored in a light transmissive bright color on the rear surface of the substrate 1 at the position corresponding to the displaying section 3.
Patent JP-H01217030-A (JP)
Title: Epoxy resin having high heat resistance and low stress
Inventor: NAGAO SUSUMU
IPC: C08G59/14
Filed: 1988-02-26
Abstract: PURPOSE:To obtain the above resin having excellent heat resistance and low stress and useful as a sealing material for electrical component, by reacting a phenolic hydroxyl group-containing silicone resin with a specific epoxy resin. CONSTITUTION:The aimed resin obtained by reacting (A) silicone resin (e.g., silicone resin obtained by reacting a silicone compound having epoxy group with phenols or aminophenols having >=2 phenolic hydroxyl groups) having phenolic hydroxyl group with (B) epoxy resin expressed by formula I (R is H or 1-10C alkyl; m is 1-3; n is 0-10) at a ratio of 10-30 pts.wt. component A to 100 pts.wt. component B. Furthermore, the resin expressed by formula I can be produced by subjecting aldehydes expressed by formula II to condensation by dehydration with phenols expressed by formula III in the presence of an acid catalyst and epoxizing the resultant polyphenols.
Patent JP-S61282690-A (JP)
Inventor: JIEEMUSU SHII ROBAATSU
IPC: A01G25/02
Filed: 1986-02-28
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-S61281484-A (JP)
Inventor: ROORENTEIUSU MARIA BEEHEEBEN
IPC: H01R12/72
Filed: 1986-02-28
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。