baber/WOPTO huggingface dataset:
Patent JP-H06100551-A (JP)
Title: Optically active 2,5-substituted tetrahydrofuran derivative, its production and liquid crystal composition and liquid crystal display element containing the derivative
Inventor: TAKEHARA SADAO
IPC: C07D407/12
Filed: 1991-09-06
Abstract: PURPOSE:To provide a new compound useful as a ferroelectric liquid crystal display material especially having excellent quick response and memory property. CONSTITUTION:The compound of formula I (R<1> is 1-18C alkyl; X is single bond, O, COO, OCO or OCOO; rings A and B are 1,4-phenylene, trans-1,4-cyclohexylene, pyridine-2,5-diyl, etc.; R<2> is 1-18C alkyl), e.g. (5R)-5-hexyl-2-[4-(4-octyloxyphenyl) phenylmethyloxy]tetrahydrofuran. The compound of formula I can be produced by condensing an optically active lactol derivative of formula II to an alcohol derivative of formula III in the presence of an acid (e.g. anhydrous hydrogen chloride) and separating the produced diastereomer by a conventional method. A liquid crystal composition having large spontaneous polarity and exhibiting quick response over a wide temperature range can be produced by adding a small amount of the compound of formula I as a chiral dopant to a mother crystal.
Patent JP-H04108268-A (JP)
Title: Image binary coding circuit
Inventor: NISHIMURA SHINICHI
IPC: G06V10/28
Filed: 1990-08-28
Abstract: PURPOSE:To lower the price and to improve the picture quality of a binary- coded image by providing a selecting circuit which employs the binary-coded output image of a comparing circuit, counted by a counting circuit counting change points of binary inversion up to a specific number among plural counting circuits, as a subsequent output binary-coded image signal. CONSTITUTION:A selection part 10 selects a binary-coded image signal Va from a comparator 2 or a binary-coded image signal Vb from a comparator 3 with a control signal Sc from a latch part 9 and outputs it as an output binary-coded image signal Vo Namely, the latch part 9 and selection part 10 constitute the selecting circuit 11 which employs the binary-coded image Va or Vb of the comparator 2 or 3 counted by the counting part 4 or 5 counting the number n1 or n2 of binary inversion change points up to N1 or N2 first as the subsequent output binary image signal Vo. Consequently, the circuit is simplified and the picture quality of the binary-coded image is improved.
Patent JP-H07150199-A (JP)
Title: Removal of solvent from detergent paste and production of detergent
Inventor: RANII AARU DOUUBUARU
IPC: F26B17/16
Filed: 1994-09-22
Abstract: PURPOSE: To remove a solvent from a detergent paste without degrading an active agent of the detergent by putting the paste in a dryer under a specific condition, operating it and then recovering the detergent.  
     CONSTITUTION: When a solvent (e.g. water) is to be removed from a detergent paste (e.g. a sodium straight chain alkylbenzenesulfonate paste), the paste is introduced to the inlet of a channel of a dryer having at least one channel with a pump under pressure selected so as to avoid flashing of any of the component of the paste. Heat is supplied to the paste and the pressure is selectively decreased along the channel to result in the flashing of selected components (e.g. solvent). The vapor liberated during the flashing acts as a motive force to convey the paste which increases its viscosity along the channel. The resulting concentrate is collected at the outlet of the channel. 
     COPYRIGHT: (C)1995,JPO
Patent JP-H0276363-A (JP)
Title: Color image scanner
Inventor: NAGANO BUNICHI
IPC: G06T1/00
Filed: 1988-09-12
Abstract: PURPOSE:To improve the resolution of a color image scanner by providing a means to correct an optical length different from a wavelength of each color onto an optical path between an object and an image sensor. CONSTITUTION:In order to compensate the wavelength dependancy of the reflected light from an object 2 on an optical path length, optical length correction plates 36a, 36b are provided to clip a white color filter 35 and a condenser lens 5. Then the optical path length correction plate 36a compensates the wavelength dependancy of the optical path length from the object 2 to the condenser lens 5 and the optical path length correction plate 36b compensates the wavelength dependancy of the optical path length from the condenser lens 5 to a linear image sensor 6. The optical path length correction plates 36a, 36b are both driven by a pulse motor 41 synchronously with the lighting of a red fluorescent light 30, a green fluorescent light 31, and a blue fluorescent light 32. Thus, the optical path length from the object to the image sensor with respect to each wavelength is made identical and the resolution of the image scanner is improved.
Patent JP-S6288460-A (JP)
Title: Data transmitting method
Inventor: OOYAMA TSUTOMU
IPC: H04L7/04
Filed: 1985-10-15
Abstract: PURPOSE:To eliminate the necessity of a strobe line, by informing a partner of the presence of data transmission by making one of plural data lines active. CONSTITUTION:A data sending side apparatus 14 sends parallel data to data transmission lines (D0-D7). A receiving side apparatus 18 is equipped with the data input terminal 17 of the transmission lines (D0-D7) and optional one of the transmission lines (D0-D7), for example, the transmission line D0 is connected with an interruption input terminal 19 and an interruption becomes possible when the data in the transmission line D0 are low in level.
Patent JP-H1164386-A (JP)
Title: Probe card
Inventor: MIZUTA MASAHARU
IPC: G01R1/073
Filed: 1997-08-25
Abstract: PROBLEM TO BE SOLVED: To reform the surface at the forward end of a probe uriformly by forming a probe part to be connected electrically with a substrate part arranged with the probe and the substrate part incorporating electronic components removably. SOLUTION: A substrate part 7 comprises a printed board 7a mounting electronic components, e.g. a resistor or a capacitor. The basic material of a plurality of probes 9 has one end made of tungsten, for example, forming a contact part 9a with the pattern on the printed board 7a and the other end forming a forward end part 9b touching the electrode on a substrate to be inspected, i.e., a wafer. A conductive rubber member 10 is interposed between the pattern on the printed board 7a and the contact part 9b of the probe 9 and conducts them electrically. A fixing screw 12 fixes a holding frame 11 at a specified position of the substrate part 7 and presses the conductive rubber member 10 against the pattern on the printed board 7a from the contact part 9a of the probe 9 through the holding frame 11. A probe 13 is composed of the components from the probes 9 to the fixing screws 12.
Patent JP-S61106913-A (JP)
Title: Axial flow type cooling fan used in vehicle
Inventor: SAITO MASAKI
IPC: B60K11/06
Filed: 1984-10-30
Abstract: PURPOSE:To make it possible to supply a sufficient amount of air even if an engine room is shielded, thereby to prevent the capacity of cooling from deteriorating, by setting the inclined angle of the blade tip of axial flow type cooling fan in a range from 10 deg.-15 deg. forward of a rotating axis. CONSTITUTION:Each of blades 12 in an axial flow type cooling fan 10 disposed in a fan shroud 22 extending from a radiator 21 to an engine 20, is formed such that the inclined angle of tip end of the blade is set in a range from 10 deg.-15 deg. forward of the rotating axis. With this arrangement, the amount of air is increased to prevent the performance of cooling from deteriorating.
Patent JP-S6287906-A (JP)
Title: Fiber type polarizer
Inventor: OKAMOTO KATSUNARI
IPC: G02B6/10
Filed: 1985-10-14
Abstract: PURPOSE:To prevent an optical axis from the generation of shear by forming specific conditions among the wavelength of laser light from a light source, the longest interrupting wavelength, the refractive indexes of a core and a clad, and a specific refractive index difference in a double refractive optical fiber having different transmission constants for two rectangularly intersected straightly polarized beams. CONSTITUTION:In the double refractive optical fiber 2 having different transmission constants for two rectangularly intersected straightly polarized beams, the wavelength lambda of laser light from the light source, the longest interrupting wavelength lambdaC out of interrupting wavelengths in a higher mode group having electric field distribution other than a Gaussian waveform in the optical fiber 2 and the specific refractive index difference DELTA defined by DELTA=(n<2>1-n<2>2)/2n<2> using the refractive indexes n1, n2 of the core 3 and the clad 4 satisfy the condition expressed by (4.3X10<2>DELTA+0.18<=lambda/lambdaC<=4.3X10<2>DELTA+0.8). Consequently, the size and weight of the optical polarizer can be reduced and optical coupling with another fiber can be easily attained by a connector or fusion splicing.
Patent JP-H0892442-A (JP)
Title: Thermoplastic elastomer composition
Inventor: HORI KAZUYA
IPC: B29K23/00
Filed: 1994-09-22
Abstract: PURPOSE: To obtain a thermoplastic elastomer compsn. which exhibits an excellent fusion strength when combined with a polypropylene. CONSTITUTION: This compsn. contains 100 pts.wt. crystalline chlorinated polyethylene having a degree of chlorination of 20-45 % and a heat of crystal fusion determined by DSC method of 5-35cal/g and obtd. by chlorinating a polyethylene having a wt.-average mol.wt. of 100,000-750,000, 1-100 pts.wt. polypropylene whose at least one of crystal peaks appearing in the measurement of heat of crystal fusion by the DSC is in the range of 130-155 deg.C, and 5-150 pts.wt. plasticizer.
Patent JP-H04111406-A (JP)
Title: Thin film capacitor and its manufacture
Inventor: SAKAI NAOMICHI
IPC: H01B3/00
Filed: 1990-08-31
Abstract: PURPOSE:To improve the capacitance of a thin film capacitor while the thickness of the capacitor is reduced so as to improve the temperature and frequency characteristics of its dielectric constant by applying the solution of an organometallic compound of MgTiO3 which becomes dielectric to a conductive film after the conductive film is heat-treated, and heat-treating the applied solution. CONSTITUTION:A conductive film obtained by forming a single layer of a metallic film of Pt, Au, Ni, Cr, etc., or piling up metallic films of one of these metals on a conductive substrate 3 of Si, etc., or an insulating substrate of Al2O3 or glass is used as the lower electrode of this capacitor. A dielectric thin film 2 expressed by MgTiO3 is formed on the lower electrode. The film 2 is formed by applying a precursor solution of a compound which becomes the MgTiO3 after heat treatment to an electrode 1 and heat-treating the applied solution. The precursor solution of the compound is obtained by mixing alcoxides of metallic magnesium and titanium in a solvent, such as butanol, 2- methoxyethanol, etc., at a Mg/Ti molar ratio of '1' and allowing them to react to each other.
Patent JP-S6382108-A (JP)
Title: Semiconductor integrated circuit for oscillation circuit
Inventor: IMAMURA HIROHISA
IPC: H03B5/36
Filed: 1986-09-26
Abstract: PURPOSE:To decrease the through-current by selecting one of plural inverters having different mutual conductances connected in parallel constituting an inverse amplifier circuit so as to use the circuit over a wide oscillating frequency. CONSTITUTION:The inverse amplifier circuit 1a is constituted by parallel connection of the inverters 11a - 11c with a control terminal each having a different mutual conductance (gm) respectively each comprising an insulation gate field effect transistor, and the input and output terminals are connected respectively to terminals T1, T2. A selection circuit 2 uses a selection signal VS to bring one of the inverters 11a - 11c into the operating state. A resistor R gives a prescribed bias to the selected inverter. Then a crystal vibrator Q is connected between the terminals T1, T2 and oscillated at a prescribed frequency by connecting capacitors C1, C2 respectively between the terminals T1, T2 and a ground terminal, and an oscillation signal V0 is outputted via an inverter 3. The inverters 11a - 11c are selected based on the oscillation frequency range.
Patent JP-H04108790-A (JP)
Title: Thieno (2,3-b) indolizine derivative
Inventor: KAKEHI SHOICHI
IPC: A61P31/12
Filed: 1990-08-30
Abstract: NEW MATERIAL:A 2, 3-dihydrothieno [2, 3-b] indolizin-3-one derivative shown by formula I [R<1> and R<2> are lower alkyl; R<3> is lower alkyl, lower alkenyl, lower alkynyl or (substituted) phenyl; R<4> to R<6> are H or lower alkyl]. EXAMPLE:Diethyl 2-(p-chlorobenzyl-3-oxo-2,3-dihydrothieno [2,3-b] indolizin-2,9- dicarboxylate. USE:A preventive and treating agents of acquired immuodeficiency syndrome (AIDS). PREPARATION:A thieno [2,3-b] indolizine derivative shown by formula II is made to react with a compound shown by the formula R<3>CH2X (X is halogen) in the presence of a base (e.g. tert butoxypotassium or sodium hydride).
Patent JP-H0954445-A (JP)
Title: Elecrophotographic photoreceptor, process cartridge with the same and electrophotographic device
Inventor: UEMATSU HIRONORI
IPC: G03G21/18
Filed: 1995-08-15
Abstract: PROBLEM TO BE SOLVED: To improve coatability in the case of use of a high mol.wt. org. resin binder and to obtain an electrophotographic photo-receptor free from unevenness in film thickness and not deteriorating electrophotographic characteristics by incorporating crosslinked superfine particles based on ethylene/(meth)acrylic ester into a photosensitive layer. SOLUTION: Crosslinked superfine particles based on styrene/(meth)-acrylic ester are incorporated into a photosensitive layer on an electrically conductive substrate. The interaction of the surfaces of the superfine particles with a photosensitive material, a resin binder and a solvent is caused, structural viscosity is imparted to a coating material itself and the objective high grade electro-photographic photoreceptor not causing image defects due to unevenness in film thickness or the deterioration of electrophotographic characteristics due to the whitening of a coating film is obtd. The photosensitive layer is preferably a function separated photosensitive layer formed by laminating an electric charge generating layer and an electric charge transferring layer. The top of the electric charge generating layer of <=5μm thickness is coated with a coating soln. contg. an electric charge transferring material, a resin binder and the crosslinked superfine particles in 10-35μm thickness. The particles are used by 0.1-10wt.% of the amt. of the resultant coating film after drying as the electric charge transferring layer and the pref. particle diameter is 0.02-1μm.
Patent JP-H0786447-A (JP)
Title: Package for use in smd of semiconductor device
Inventor: KISHIMOTO TAKANORI
IPC: H01L23/12
Filed: 1993-09-14
Abstract: PURPOSE:To obtain a package for use in SMD of a semiconductor device which is hard to cause a disconnection in a thin film metal electrode, and which has a small number of operation by a method wherein a substrate is inserted into a polyimide mold body wiring the thin film which a device chip is inserted in its center part. CONSTITUTION:A polyimide mold body 1 wiring a thin film metal electrode such as Cu, etc., in polyimide is formed in a form that a substrate 2 such as a metal, ceramics, etc., can be engaged therewith. This polyimide mold body 1 has a transparent hole 4 into which a chip 3 can easily be inserted in its center part. The substrate 2 is pushed into this polyimide mold body 1 to obtain a package for use in SMD. The chip 3 is mounted to the substrate 2 of this package for use in SMD through the transparent hole 4 and wire-bonded to the metal electrode of the polyimide mold body 1 to obtain a chip for use in SMD.
Patent JP-2001051172-A (JP)
Title: Manufacture of coated fiber of optical fiber ribbon and coated fiber of optical fiber ribbon
Inventor: INO ETSUO
IPC: G02B6/44
Filed: 1999-08-12
Abstract: PROBLEM TO BE SOLVED: To provide coated fiber of an optical fiber having a small optical transmission time difference, by arranging in parallel plural fibers of a ribbon obtained by arranging in parallel plural optical fibers and coating them in a lump with a resin, and by coating the fibers of a ribbon in a lump with a resin. SOLUTION: This coated fiber of a optical fiber ribbon is so formed that plural fibers of a ribbon 3 obtained by arranging plural optical fibers 1 in a row in the width direction of the tape core wire 3 and coating them in a lump with a primary coating resin 2a, are coated in a lump with a secondary coating resin 2b, and that the whole optical fibers 1 are arranged in a row in the width direction of the coated fiber of an optical fiber ribbon 4. Elasticity of quadruple fiber of a ribbon 3 is about four times or more as high as that of a single optical fiber 1, therefore the strain quantity is small, even if some tension fluctuation is given. When a duodecuple fiber of a ribbon 4 is manufactured by using the quadruple fibers of a ribbon 3, the required number of the quadruple fibers of a ribbon 3 is three.  It is required to control only three quadruple fibers of a ribbon 3, therefore it is easy to keep balance.
Patent JP-H0873766-A (JP)
Title: Dye composition and method for dyeing hydrophobic fiber with same
Inventor: MURAKAMI YASUO
IPC: C09B67/22
Filed: 1994-08-31
Abstract: PURPOSE: To provide a method for dyeing or printing a hydrophobic fiber material, esp. a polyester fiber, in navy blue with an excellent fastness and very high build-up and dyeing properties. CONSTITUTION: A hydrophobic synthetic fiber material or its mixture with a natural fiber material is dyed or printed with a mixture of two water-insol. disperse dyes, i.e., a dye of formula I and a dye of formula II.
Patent JP-H1075152-A (JP)
Title: Crystal oscillator
Inventor: HATANAKA HIDEFUMI
IPC: H03H9/19
Filed: 1996-08-29
Abstract: PROBLEM TO BE SOLVED: To provide a crystal oscillator in which a damage to a crystal vibrator housed in a container can be prevented, and a stable characteristics can be derived. SOLUTION: At the time of arranging a crystal vibrator on whose one main surface plural electrode pads 24a-24d are formed in a container having a cavity part at which plural connecting pads 14a-14d are formed, a crystal vibrator 2 is suspended in a container by bonding wires 3a-3d, arranged between the output pads 24a-24d of the crystal vibrator and the connecting pads 14a-14d of a container 1.
Patent JP-S6383944-A (JP)
Title: Pilot signal extracting circuit for helical scan system tape reproducing device
Inventor: TERASAKI SETSUO
IPC: G11B15/467
Filed: 1986-09-27
Abstract: PURPOSE:To miniaturize the titled circuit when it is converted to an IC, by sampling an analog reproducing signal obtained from a head by a specific frequency and converting it to a digital data, thereafter, detecting a pilot signal component by a digital filter. CONSTITUTION:When a reproducing signal RF obtained from heads 12, 13 is converted to a digitized data by a sampling signal having the same frequency as that of an erasing signal E by an A/D converting circuit 24, in this digitized data, only with respect to the frequency of the erasing signal, a turning-back signal E' appears in an OHz spot by a sampling theorem. The band of this turning-back signal E' can be regarded as a frequency being low enough against the frequency of a pilot signal. Therefore, by supplying the digitized data outputted from the A/D converting circuit 24, to a digital filter 25 having a prescribed characteristic and eliminating synchronizing signals SYNC 1, 2, the erasing signal E and the turning-back signal E', and their band components, only a pilot signal P component can be extracted easily.
Patent JP-H04109378-A (JP)
Title: Microcomputer
Inventor: YAMADA SUSUMU
IPC: G06F15/78
Filed: 1990-08-29
Abstract: PURPOSE:To suppress the increment or the like of the number of elements by using a power supply terminal for impressing a write voltage to an EPROM and impressing power supply voltage to driving circuits for driving a display circuit as a shared terminal. CONSTITUTION:The power supply terminal 13 is used both for impressing the power supply voltage VDD to the prescribed driving circuit 4, 8 for a digit electrode 2 in a fluorescent display tube 1 and impressing a write voltage VPP or the voltage VDD to an EPROM 12 as a shared terminal. At the time of impressing the voltage VDD to the terminal 13, the EPROM 12 is turned to a reading state and prescribed characters are displayed on the display tube 1, and at the time of impressing the voltage VPP to the terminal 13, the EPROM 12 is turned to a writing state. When the EPROM 12 is in the writing state, the display tube 1 is not connected to output terminals 4, 8, so that influence due to the voltage VPP is not exerted upon the display tube 1. Thus, the power supply terminal for impressing the writing voltage VPP to the EPROM 12 can be shared with other terminal.
Patent JP-H02167354-A (JP)
Title: Polymer composition stabilized with
Inventor: JIYOOJI NORISU FUOSUTAA
IPC: C08L87/00
Filed: 1989-09-06
Abstract: PURPOSE: To obtain a composition stabilized to heat and light which contains an olefin polymer and a polysiloxane having a pendant sterically hindered amino heterocyclic component bonded to siloxane chain.  
     CONSTITUTION: This stabilized polymer composition contains (A) an olefin polymer (e.g.: ethylene copolymer) and (B) 0.005-2 wt.%, preferably, 0.05-0.3 wt.%, on the basis of A, of a polysiloxane of formula I [M* is formula II, formula III or formula IV (RU is a 1-8C alkyl, phenyl, or phenethyl; R" is a 2-20C alkyl or phenyl); D is formula V (R is phenyl or a 1-3C alkyl); D* is formula VI (R' is H, a 1-3C alkyl or the like; X is absent or a divalent bonding group such as formula VII; R"" is H or a 1-12C alkyl; Y' is O, COO or the like; Z is C or N); T is formula VIII; Q is formula IV; V is 0 or 1; X is 0-200; Y is 1-100; Z is 0-5; W is 0-5]. 
     COPYRIGHT: (C)1990,JPO
Patent JP-H0983881-A (JP)
Title: Input signal changeover device for video equipment
Inventor: YAMANAKA YASUHISA
IPC: H04N5/44
Filed: 1995-09-07
Abstract: PROBLEM TO BE SOLVED: To facilitate the operation by displaying automatically a video image from an external input onto a TV screen with a preset priority while a video image is being displayed. SOLUTION: A control section 7 being a microcomputer built in a television receiver provided with a synchronizing signal detection circuit detects a synchronizing signal in an input signal led to an input intermediate frequency from external input terminals 3a-3d so as to check to which input terminal the video signal is given at all times. While a video signal from a tuner 2 via an antenna 1 is sent to a video circuit 5 via a switch 4, when input of a video signal to a front side input terminal 3 is detected, the signal is sent to the circuit 5 by means of the switch 4. On the other hand, when input of a video signal to rear side input terminals 3b, 3c is detected, the video signal of the terminal is sent to the circuit with the priority of the input terminal 3b or 3c set in advance.
Patent JP-S6381776-A (JP)
Inventor: HAHN MARLYN EUGENE
IPC: H01R12/50
Filed: 1987-09-16
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。