baber/WOPTO huggingface dataset:
Patent JP-H11355207-A (JP)
Title: Wavelength dispersion compensation circuit
Inventor: TAKARA HIDEHIKO
IPC: H01S3/067
Filed: 1998-06-04
Abstract: PROBLEM TO BE SOLVED: To attain extension of an allowable quantity of dispersion compensation by enabling compensation of a temporal fluctuation of wavelength dispersion of a transmission line. SOLUTION: It is utilized that its wavelength dispersion value changes in response to excitation light or excitation current (excitation level) to be injected into a light amplifier medium 10. On the other hand, an optical signal is converted into an electric signal, a clock frequency component is extracted, the ratio (Pc/Pa) of a clock frequency component power Pc to the total power Pa of the electric signal is obtained, and the excitation light or the excitation current to be injected into the light amplifier medium 10 is controlled so that the Pc/Pa becomes maximum.
Patent JP-S6048096-A (JP)
Inventor: SHIBATA KOUICHI
IPC: G10H1/057
Filed: 1983-08-26
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-S5945030-A (JP)
Title: Roller leveler
Inventor: MIYAGAWA HIROSHI
IPC: B21D1/05
Filed: 1982-09-07
Abstract: PURPOSE:To obtain proper correcting condition easily and economize the work by providing an elevating mechanism of correcting rolls and elevating mechanism of pressing rolls. CONSTITUTION:Eccentric sleeves 18 are fitted to the shafts of two entrance side upper correcting rolls 8a, 8b. Worm wheels 19 attached in a body to the eccentric sleeves 18 transmit rotation of worms 20 to the eccentric sleeves 18. Two entrance side upper correcting rolls 8a, 8b are enabled to move vertically by interposition of the eccentric sleeves 18, and moved to come near to each other by eccentricity of the sleeves. Consequently, bending draft of the material to be corrected can be increased only by vertical movement of the upper correcting rolls 8a, 8b. At the same time, effect of increase of draft caused by decrease of distance of rolls is added, and large initial bending draft is given to the material to be corrected by slight rotation of the eccentric sleeves 18.
Patent JP-S5382769-A (JP)
Title: Bicyclolactone derivs. their preparation
Inventor: KONDOU SEI
IPC: C07D307/93
Filed: 1976-12-27
Abstract: PURPOSE: Bicyclolactone derivs.  I (R 1  is alkyl;R 2  is ( substd) alkyl;R 3  is H or alkyl), e. g.  exo-6-(trans-1-heptenyl)3-oxa-2-oxa-bicyclo [3.1.0]-hexane1-carboxylic acid methylester. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S5947361-A (JP)
Title: Medium-alloy cr steel for environment of geothermal fluid
Inventor: OOWADA SATORU
IPC: C22C38/00
Filed: 1982-09-08
Abstract: PURPOSE:To improve the pitting corrosion resistance of the resulting medium- alloy Cr steel in the environment of a geothermal fluid by providing a specified composition of a low carbon steel contg. Cr, Mo, Mn and Cu, Ni or Al. CONSTITUTION:This medium-alloy Cr steel for the environment of a geothermal fluid consists of, by weight, 0.04-0.20% C, <=1.0% Si, 0.1-2.0% Mn, 5-14% Cr, 0.01-2.0% Mo, 0.1-1.0% one or more among Cu, Ni and Al, and the balance essentially Fe. It is preferable that the amounts of P and S contained as inevitable impurities are reduced to the utmost, e.g., to <= about 0.01%.
Patent JP-S5780086-A (JP)
Title: Printer
Inventor: IKEDA HIROSHI
IPC: B41J7/36
Filed: 1980-11-06
Abstract: PURPOSE: To offer a printer which can shorten a waiting period from the starting of a motor to the initiation of typeprinting, by detecting a plurality of reset pulses per rotation of a type drum with a reset pulse-detecting means.  
     CONSTITUTION: A reset pulse-detecting plate 14 is fixed to a type drum 10, and detecting brushes 16, 18 detect reset pulses RP through the electric conductive plates 20, 22 of the detecting plate 14. A plurality of differnent reset pulses RP are detected by one rotation of the type drum 10. One of the reset pulses detected at first after the starting of a motor by current supply can be used as a signal for initiation of type-printing. Thus, a waiting period can be remarkably shortened, and interruption of the current to the motor can be performed speedily. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-S5678843-A (JP)
Title: Liquid developer for electrostatic photography
Inventor: TSUBUSHI KAZUO
IPC: G03G9/13
Filed: 1979-12-03
Abstract: PURPOSE: To improve the shelf life of the developer, the adhesion power of the toner, etc. and improve reproducibility of colors, printing resistance, etc. by using the copolymer of the specific monomer which solvates with carrier liquid even before and after polymn. and polyfunctional (meth)acrylate as the toner.  
     CONSTITUTION: The monomer component A, such as lauryl methacrylate, lauryl acrylate, and vinyl stearate, expressed by the formula, and the monomer component B of polyfunctional (meth)acrylate, such as ethylene diacrylate, trimethyrol propane acrylate, are polymerized at about 0.01:1 in weight ratio of component B: component A in petroleum aliphatic hydrocarbon or halogenated aliphatic hydrocarbon, and the resulted copolymer dispersion is added with polethylene, wax, or silica powder. After the mixture is heated and mixed, it is cooled, whereby the dispersion of dispersed particles of about several μm grain sizes is obtd. COloring agents such as carbon black and polarity control agent are added to this dispersion and a solvent is added thereto, whereby the liquid developer is obtd. R and A are shown as follows respectively. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H0846114-A (JP)
Title: Semiconductor device and its manufacture
Inventor: MAEJIMA YOSHIHISA
IPC: H05K3/34
Filed: 1995-06-22
Abstract: PURPOSE:To make it possible to mount a semiconductor device to a substrate with a sufficient connecting strength by soldering without using a conventional solder supplying method from the outside and to simplify the mounting process. CONSTITUTION:A thick film solder plate 8 thicker than 15mum for mounting is formed on leads 6 respectively in a semiconductor device H having a plurality of leads 6 and mounted to a conductor 11 on the substrate 9 by soldering.
Patent JP-H101301-A (JP)
Title: Production of hydrogen and oxygen and apparatus therefor
Inventor: NOJIMA SHIGERU
IPC: C01B13/02
Filed: 1996-06-18
Abstract: PROBLEM TO BE SOLVED: To provide a process for producing oxygen and hydrogen by photodecomposition of water capable of efficinetly producing the oxygen and hydrogen in a separated form by photodecomposing the water and an apparatus therefor. SOLUTION: This process for producing hydrogen and oxygen by photodecomposing water consists in installing a photodecomposition element 4, which is provided with an anode layer 2 consisting of a photocatalyst on one surface of a hydrogen ion conductive highpolymer solid electrolytic film 1, is provided with a cathode layer 3 consisting of a conductive material on the other surface and is provided with a circuit 5 connecting the anode layer and the cathode layer, into the water, introducing the electrons formed by irradiation with light via the circuit to the cathode layer to couple these electrons with the hydrogen ions moving to the cathode layer side past the hydrogen ion conductive highpolymer solid electrolytic film and capturing the oxygen from the anode side and the hydrogen form the cathode side.
Patent JP-H085354-A (JP)
Title: Measuring method of ceramic electronic component
Inventor: RIYOUGEN MASAHARU
IPC: H01G13/00
Filed: 1994-06-14
Abstract: PURPOSE:To provide a measuring method in which the film thickness of an electrode printed on a ceramic green sheet can be measured with high precision by a fluorescent X-ray film-thickness meter. CONSTITUTION:A thick green sheet 6 whose material is identical to that of a ceramic green sheet 3 on which an electrode 2 has been printed is interposed between the ceramic green sheet 3 and a stage 1 for a fluorescent X-ray film- thickness meter, and the film thickness of the electrode 2 is measured. Then, since the influence of a change in the thickness of the green sheet 3 on which the electrode 2 has been printed can be suppressed, the film thickness can be measured with high precision.
Patent JP-2000344932-A (JP)
Title: Foamed composite material
Inventor: MITSUARA NAOYA
IPC: B29C44/00
Filed: 1999-06-03
Abstract: PROBLEM TO BE SOLVED: To obtain a foamed composite material having excellent nailability and applicability as well as durability, dimensional stability and tensile strength by including plastic pieces having a specific aspect ratio in a foamable resin. SOLUTION: The objective foamed composite material is produced by mixing (A) plastic pieces having an aspect ratio of 15-150 (e.g. a cut material of used card, etc., containing an oriented plastic sheet made of PET, etc., as a base) with (B) a foamable resin (e.g. a polyurethane resin foamed with a foaming agent) preferably at an A/B weight ratio of (5-1)/1 and foaming the mixture by heating in a mold. The amount of the foaming agent (e.g. azodicarbonamide) to be added to the component B is adjusted to get a foamed material having a specific weight of 0.4-1.0. The plastic piece has a tensile yield strength of preferably >=250 kg/cm2.
Patent JP-S6134641-A (JP)
Title: Storage area managing system
Inventor: SAKAI HIDEO
IPC: G06F9/06
Filed: 1984-07-27
Abstract: PURPOSE:To utilize efficiently a storage area as a work area of a program body by constituting a titled system so that a work use storage area required for an application program can be used after securing a necessary quantity at a necessary time point. CONSTITUTION:When executing an application program, the processing is executed after unitializing the whole work use storage area to an unused state through a managing part. An actual application processing is executed by a utilizing part, but a work area required in that case outputs a request to the managing part at a necessary time point. Whether the necessary work area is secured or not is reported to the utilizing part from the managing part. In case the necessary work area is secured, a work use area is given to the utilizing part from the managing part. The utilizing part executes a necessary processing by utilizing the secured work area, and thereafter, returns the work use area which becomes unnecessary to the work use storage area through the managing part. Thereafter, on every necessary occasion, these operations are repeated.
Patent JP-S6134683-A (JP)
Title: Optical character reader
Inventor: ITO TADASHI
IPC: G06K9/34
Filed: 1984-07-27
Abstract: PURPOSE:To obtain a recognition of a character entered into a character entry frame having no character frame of one character unit by transferring a character pattern through a compressing circuit, when transferring said character pattern to a character recognition pattern memory from a line buffer. CONSTITUTION:A data of a business form 1 which has been read by a photoelectric converting part 4 and binary-coded by an A/D converting part 5 is inputted to a line buffer 6, and the center position in the longitudinal direction by format information is controlled by a control part 7. To a character cutting part 8, start position information of a character entry frame and end address information are given in advance, and an address corresponding to it is calculated. Also, by height information of a character frame given in advance, the character cutting part 8 executes a scan by its portion in the direction Y, and repeats it in the direction X. The character cutting part 8 transfers an X coordinate of the first black point on the way of the scan, and subsequently a coordinate of a point converted from black to white, to a size detecting part 9, and from this difference, a size W of the character is derived. In case of W>Cb (Cb is a constant), the size detecting part 9 instructs a compression to a compressing circuit 10, and a character recognizing part 12 outputs a result of recognition.
Patent JP-S6314306-A (JP)
Title: Floating type magnetic head for magnetic disk device
Inventor: NISHIYAMA SHUNICHI
IPC: G11B5/127
Filed: 1986-07-04
Abstract: PURPOSE:To improve the resistance to CSS (Contact Start Stop) performance by forming a magnetic gap as a trapezoidal form and embedding a magnetic core having a high Bs film into a nonmagnetic slider so as to avoid the shape effect. CONSTITUTION:Trapezoidal Mn-Zn ferrite cores 28, 29 are formed, in which parallel parts 30, 31 in parallel with the magnetic gap are formed as a recording /reproducing track by cutting off obliquely one or both sides of the parallel parts 30, 31, and pure Fe films 32, 33 are formed on one or both the magnetic poles and bonded by glass to form a magnetic core. Then the magnetic core is imbedded in a CaTiO3 slider by using a glass having a lower softening point than that of a bonding glass. Thus, a high reproducing output is produced, and no waving exists in the frequency characteristic of the reproduced output due to the shape effect and a magnetic head with high reliability at CSS is obtained.
Patent JP-H027447-A (JP)
Title: Resin-sealed type semiconductor device
Inventor: HATANAKA SHIGEMI
IPC: H01L21/60
Filed: 1988-06-24
Abstract: PURPOSE:To prevent an electrical disconnection for many hours even when corrosion is caused by a method wherein a metal wiring part and a conductive layer are formed at the lower part of a bonding pad via an interlayer insulating film and a contact to be connected to the conductive layer and a contact used to connect the metal wiring part to the conductive layer are formed. CONSTITUTION:A polycrystalline silicon layer 2 as a conductive layer is formed on an oxide film 2 formed on a semiconductor substrate 9. An interlayer insulating film 7, a metal wiring part 16 of aluminum and a bonding pad 1a united with this wiring part are formed on the layer 2; the surface excluding a region of the pad 1a is covered with a passivating film 5 for protective use. The layer 2 is connected individually to a second contact 6 and a first contact 4 in a region of the metal wiring part 16 and in the region of the pad 1a. When moisture creeps through a metal thin wire 10 or a resin substance, a metal wiring part of aluminum in the region of the pad 1a exposed around a ball 3 starts to corrode; even when a disconnection is caused around the ball 3, conduction is secured through the contacts 4, 6; a defect of an electrical disconnection is not caused immediately.
Patent JP-S6313556-A (JP)
Title: Decentralized maintenance terminal connection system
Inventor: ISHII AKIHIRO
IPC: H04M3/22
Filed: 1986-07-04
Abstract: PURPOSE:To attain maintenance job by mounting a controller and a channel device or the like to plural modules decentralizingly and providing an input/ output device at each module to connect a maintenance terminal at each module. CONSTITUTION:An electronic private branch of automatic exchange 1 consists of four modules 1a-1d installed decentralizedly and a control system device and a channel system device as mounted decentralizedly to the modules 1a-1d. Input/output devices 2a-2d for connecting maintenance terminal to connect the maintenance terminals 3a-3d are mounted to the modules 1a-1d. Since the maintenance terminals 3a-3d and the exchange 1 are connected to each module via the input/output devices 2a-2d, the station data or the like of the exchange 1 is registered and revised near the modules 1a-1d. Further, one maintenance equipment is enough for one set of the exchange and moved to an installed location of the module as required.
Patent JP-2000035877-A (JP)
Title: Logic circuit
Inventor: YANO KAZUO
IPC: G06F7/506
Filed: 1999-06-04
Abstract: PROBLEM TO BE SOLVED: To execute an operation at high speed in multi-bit addition by providing the final stage circuit of a carry look-ahead circuit with a terminal inputting a carry signal from a low-order bit and the inversion signal and a terminal outputting the carry signal to a high-order bit and the inversion signal. SOLUTION: A four bit carry look-ahead circuit sets carry signal Ci from a low-order bit, the inversion signal CiN, a carry propagation signal Pj (j=1-4) and a carry generation signal Gj (j=1-4) as input signals, and outputs a carry signal Co to a high-order bit, the inversion signal CoN and a carry signal Cj (j=1-3), for example. In the circuit of a final stage, R and S, which are generated by logic gates L13 and L14, become the inputs of logic gates L5 and L6 together with Ci and CiN. The logic gates L5 and L6 are the same logic circuits. For constituting the circuit by using a transistor and FET, the circuit using the wired logic of a transfer gate by an n-channel MOS transistor and a CMOS inverter exists, for example.
Patent JP-S6218670-A (JP)
Title: Magnetic recorder
Inventor: ARIGA TOMOE
IPC: G11B19/12
Filed: 1985-07-17
Abstract: PURPOSE:To detect modes with a simple structure and to reduce power consumption by arranging one of plural actuators in a position other than mode detection holes and arranging the other actuators in positions corresponding to a required number of mode detection holes. CONSTITUTION:When a disc cartridge 11 having a through mode detection hole 11a falls, the second plunger 1a is pressed by a disc cartridge to release the conduction relation between a common terminal 3 and the second terminal 4a, but the first plunger 1 is inserted to the mode detection hole 11a and is not operated to keep the conduction relation between the common terminal 3 and the first terminal 4. When the disc cartridge 1 with the mode detection hole 11a closed by a moving piece 12 falls, the first plunger 1 and the second plunger 1a are pressed together to release conduction relations between the common terminal 3 and the first terminal 4 and between the common terminal 3 and the second terminal 4a. Thus, the mode set to the disc cartridge 11 is detected.
Patent JP-S5585164-A (JP)
Title: Remote control system in automatic answering telephone unit
Inventor: SATOU TAKASHI
IPC: H04M1/65
Filed: 1978-12-22
Abstract: PURPOSE:To make short useless time at remote control, by delivering the information signal to the possessor when no message is recorded in the message tape. CONSTITUTION:In the state when the message recording is enabled, a specific personnel operates the remote control unit and delivers the key signal, then the remote control point is stored and the output of the key signal discrimination circuit 8 is fed to the remote control circuit 9. The remote control circuit 9 feeds signal to the main body control circuit 3, drives the reproduction circuit 4 and winds up the message tape through the signal fed to the mechanism 5. The message signal is delivered to the possessor via the transformer 6. If no message is recorded in the recording tape, the oscillation circuit 11 is operated with the signal from the remote control circuit 9 and information is made to the possessor by delivering the output to him.
Patent JP-S5490977-A (JP)
Title: Junction type field effect transistor
Inventor: ISHIHARA TAKESHI
IPC: H01L21/337
Filed: 1977-12-28
Abstract: PURPOSE: To increase the low frequency noise characteristics, by reducing the low frequency noise due to the occurrence at the surface and the center of recombination, through the control of the surface potential between the source and the drain, by providing floating gate newly with J-FET.  
     CONSTITUTION: The N type layer 3 is epitaxially grown on the P type Si substrate 1, the P type isolation region 2 is formed by diffusion at the both edges of the substrate 1 by taking the SiO 2  film 11 as a mask, and the layer 3 is separated as islands. Next, the window 12 is made at the center of the film 11, the P type gate region 6 is formed in the layer 3 by diffusion, the film 11 is renewed to the SiO 2  film 13, and the polycrystal Si layer 14 is deposited on it. After that, the windows 15 and 16 are opened on the film 13 and the layer 14 with photoetching, the N type source and drain regions 4 and 5 are formed in the layer 3 by diffusion, and the regions are remained only between the regions 6 and 4 by etching the layer 14 and the film 13, constituting the floating gate 8. Next, the entire surface is covered with the SiO 2  film 7, opening is made, and the Al source and drain electrodes 17 and 18 are respectively attached. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-2000349305-A (JP)
Title: Light receiving element array and optical branching filter using the same
Inventor: TAGAMI TAKASHI
IPC: H01L27/146
Filed: 1999-06-04
Abstract: PROBLEM TO BE SOLVED: To enable closely arranged light receiving parts of a light receiving element array to an input fiber so as to be able to apply the light receiving element array to an optical branching filter of Littrow mounting, and miniaturize the optical branching filter by controlling coma aberration and reducing the length of an optical system. SOLUTION: In a light receiving element array, chips 60, 61 having light receiving parts where a large number of light receiving elements are arranged and formed in an array are sealed in rectangular packages having outer leads 66, and parts between bonding pads 62 of the chips 60, 61 and bonding terminals 64 are connected by using bonding wires 68 or the like. (1) no bonding pad is arranged on one long edge sides of the peripheries of the light receiving parts of the chips 60, 61, (2) no bonding terminal is arranged on one long edge side of the package, and (3) no outer leads is arranged on one long edge side of the package, or the above are combined, and the chips 60, 61 are accommodated being shifted to the one side of the package.  As a result, the shortest distance between the centers of the light receiving parts of the chips 60, 61 and the outside long edges of the packages is made at most 3 mm.
Patent JP-S6312810-A (JP)
Title: Valve for internal combustion engine
Inventor: MOTOOKA NAOKI
IPC: C22C21/02
Filed: 1986-07-03
Abstract: PURPOSE:To reduce the weight of a valve in order to attempt high efficiency of an internal combustion engine, by forming a face part which is in contact with a valve seat and a straight part making sliding movement in a valve guide by A1 alloys having respective specific values of Young's modulus. CONSTITUTION:A face part 1 which is in contact with a valve seat is formed by an A1 alloy which has superior heat resistance and abrasion resistance and whose Young's modulus is more than 8,000kgf/mm<2>. And a straight part 2 which makes sliding movement in a valve guide is formed by an A1 alloy which is superior in abrasion resistance and whose Young's modulus is more than 8,000kgf/mm<2>. And both parts are connected together by a connecting part 3 to form a valve for an internal combustion engine. By this, more than approximately 60% of weight reduction can be achieved compared with the conventional valve made from steel type material. Accordingly, inertial weight of the valve can be reduced, and high efficiency of the internal combustion engine can be attained thereby.
Patent JP-H064060-A (JP)
Title: Constant quantity delay circuit for vertical synchronizing signal
Inventor: MASUDA SHINJI
IPC: G09G1/16
Filed: 1992-06-17
Abstract: PURPOSE:To prevent malfunction of 1/2 frequency by controlling the charging current of a capacitor, which sets the width of monostable multivibrator output pulses, by a current control circuit. CONSTITUTION:One of vertical synchronizing signals extracted by a synchronism separating IC 1 is inputted to a monostable multivibrator 2 and the other is inputted to a vertical oscillation control circuit 10. Output pulses of the monostable multivibrator 2 are converted by an integration circuit 3 into a DC voltage, which is inputted to an error amplifier 4. Further, the difference between a reference voltage 5 and the voltage after the output pulse integration is amplified by the error amplifier 4. Then the voltage amplified by the error amplifier 4 is inputted to a current control circuit 6 to control the charging current of the capacitor 7 which determines the output pulse width of the monostable multivibrator 2. Output pulses of the monostable multivibrator 2 which reach 50% duty in the repetition of the control are passed through a differentiating circuit 8 and inputted to a switching circuit 9, which is then switched to obtain a vertical synchronizing signal which is delayed by 50%.