baber/WOPTO huggingface dataset:
Patent JP-H03239005-A (JP)
Title: Multi-channel converter
Inventor: NAKAGAWA KIYOSHI
IPC: H03F3/68
Filed: 1990-02-16
Abstract: PURPOSE:To realize this converter with simpler constitution than that of a system using an amplifier at every channel inexpensively by using a channel changeover switch to switch and connect to a couple of output terminals of each of plural low voltage generating sources to a common amplifier sequentially. CONSTITUTION:Outputs of low voltage generating sources 111-11n are switched sequentially by channel changeover switches 13a1, 13b1-13an, 13bn and connected to a common amplifier 18 and converted respectively to a unified signal. Since each input impedance of amplifier circuits 19, 21 is sufficiently high, a common mode noise 16 cannot flow to the amplifier 18 as noise currents Ia1, Ib1 and the converter is not affected by the common mode noise.
Patent JP-H01209852-A (JP)
Title: Busy state detector for parallel connection telephone set and privacy call device
Inventor: HOSHIKA KENJI
IPC: H04M1/72
Filed: 1988-02-18
Abstract: PURPOSE:To display the busy state of other telephone set connected in parallel and to disable the use of its own telephone set at busy state by providing a voltage detection means to an output terminal of a rectifier of the telephone set connected in parallel and discriminating the level of the voltage detection means. CONSTITUTION:A voltage distribution means 3 comprising resistors R1, R2 and a Zener diode ZD is connected to the output of a rectifier circuit R. The potential level at the middle point of the voltage distribution means 3 is discriminated by a logic circuit 6 and when the potential level is low, it is discriminated that other telephone set T2 connected in parallel is busy, a hook switch 8 is turned off to disable the telephone set circuit 2. Furthermore, a busy display lamp 4 is connected to the middle point of the voltage distribution means 3. The busy state display lamp 4 is lighted when the level of the middle point of the voltage distribution means 3 is at a low level, that is, the other telephone set T2 is busy to display the busy state of the other telephone set.
Patent JP-S51111478-A (JP)
Title: A method of producing semiconductor crystal
Inventor: KURODA SUIKEI
IPC: H01L21/208
Filed: 1975-03-26
Abstract: PURPOSE: To provide a method of producing zonely semiconductor crystal which has predetermined crystal planes and crystal axises. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-2000233677-A (JP)
Title: Drum rotation driving device for track mixer
Inventor: IGA TAKUMI
IPC: B28C5/42
Filed: 1999-02-15
Abstract: PROBLEM TO BE SOLVED: To switch the revolving speed and torque of a motor at the time of stirring transportation of concrete and at the time of car washing and to attain energy saving and low noise. SOLUTION: At the time of stirring transportation of concrete, a two-speed switching cam motor 1 is set to the low-speed high-torque side, and a drum is rotatively driven at low-speed high-torque via a planetary gear reduction mechanism 2. At the time of car washing when no large torque is required to rotate the drum, the two-speed switching cam motor 1 is set to the high-speed low-torque side, then the drum can be rotated at a high speed via the planetary gear reduction mechanism 2 even when an engine is rotated at a low speed, thereby energy saving can be attained and noise can be reduced at the time of car washing.
Patent JP-S56131657-A (JP)
Title: Thermoplastic resin composition with excellent retention heat stability
Inventor: SAKANO HAJIME
IPC: C08K3/24
Filed: 1980-03-19
Abstract: PURPOSE: To enhance retention heat stability, by compounding a thermoplastic resin composition consisting of ABS resin and polycarbonate resin with a specified amt. of an acid compd.  
     CONSTITUTION: 10W99wt% Polymer obtd. by the polymn. of at least two monomers such as an arom, vinyl compd. (e.g., styrene), a cyanovinyl compd. (e.g., acrylonitrile) and an alkyl carboxylate (e.g., methyl acrylate) in the presence of a conjugated diene rubber (e.g., polybutadiene), is mixed with 90W10wt% polycarbonate resin, to prepare a resin composition. Then the purpose resin composition is prepared by adding 0.05W5pts.w.t of at least one acid compd. selected from an inorg. acid (e.g., hydrochloric or phosphoric acid), on org. acid (e.g., acetic or maleic acid) and an org. acid anhydride, to 100pts.wt. said resin composition. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H03239720-A (JP)
Title: Production of conductive polymer
Inventor: YOKOYAMA KAZUO
IPC: C08G61/12
Filed: 1990-02-15
Abstract: PURPOSE:To obtain easily a conductive polymer (thin film) useful for electronic devices, etc., with a simple plasma apparatus by plasma-polymerizing a pyrrole (derivative) in the presence of a methyl iodide gas. CONSTITUTION:A monomer gas of pyrrole or its derivative (e.g. 3-methylpyrrole) and a methyl iodide gas are fed to a plasma chamber. The methyl iodide to monomer volume ratio is desirably about 1/1-50/1. A plasma is generated in the plasma chamber and the pyrrole (derivative) is plasma-polymerized to form an iodine-doped conductive polymer thin film on a substrate. As the substrate, a material such as quartz, glass or aluminum can be arbitrarily selected, and the obtained thin film can be applied to batteries, electrochromic display elements, etc.
Patent JP-S59161354-A (JP)
Title: Production of azetidines
Inventor: OSHIMA IWAO
IPC: C07D405/04
Filed: 1983-03-07
Abstract: PURPOSE:Hydroalum, readily available industrially, is used as a reducing agent to convert a wide variety of azetidinones into azetidines used as a medicine such as antiinflammatory, analgesic, apitide depressant, insulin excretion depressant or anticonvulsant. CONSTITUTION:An azetidinone of formula I (R<1> is H, alkyl, aromatic group, ester, carboxyl, hydroxyl, alkoxy, aryloxy, nitrile; R<2>-R<4> are H, alkyl, aromatic group, alkoxy, aryloxy, alkylthio, arylthio, carbonamide, amino-substituted amino, X is additionally N3, hydroxyl) is reduced with a hydroalum such as HAlCl2, H2AlCl, AlH3 or HAl(R<6>)2 (R<5> is lower alkyl) to enable advantageous production of the objective compound of formula II (R<1>', Y are H, alkyl, substituted alkyl, aromatic group, hydroxyl, alkoxy, aryloxy, Y is additionally alkylthio, arylthio, NH2, substituted amino).
Patent JP-H09227633-A (JP)
Title: Modified ethylene-vinyl alcohol copolymer, its production and water-soluble film, water-soluble packaging material, and water-soluble hot-melt adhesive containing the same
Inventor: NISHIGUCHI HIROSHI
IPC: C08F216/06
Filed: 1996-02-23
Abstract: PROBLEM TO BE SOLVED: To obtain a modified ethylene-vinyl alcohol copolymer which dissolves quickly even in cold water, is thermoplastic; and is suitable for a water-sol. film or an adhesive by reacting an ethylene-vinyl alcohol copolymer with a (meth)acrylic compd. by a specific way. SOLUTION: This modified copolymer comprises 20-55mol% structural units represented by formula I, 40-77mol% structural units represented by formula II, and 3-40mol% structural units represented by formula III, has a melt viscosity of 1,000-30,000P at 23 deg.C, and is obtd. by subjecting a solid ethylene-vinyl alcohol copolymer and a liq. (meth)acrylic compd. to Michael addition reaction under solid-liq. reaction conditions.
Patent JP-H0569361-A (JP)
Title: Device for exchanging robot tool and preventing overload
Inventor: DEBITSUDO NIKORASU KOTSUTSUMAN
IPC: B25J19/06
Filed: 1991-03-01
Abstract: PURPOSE: To provide a robot device having a tool exchanging function and a release function based on overload. CONSTITUTION: A robot tool exchanging and overload prevention device has separable plates 32, 34 connected respectively to a robot arm and to one end of a tool. A magnet 38 is connected to one of the plates and a steel insert is connected to the other of the plates to generate a magnetic attraction force between the magnet and the insert. A pair of conical bearing surfaces 44, 46 are formed at an angle and a depth such that they interconnect the plates during the period of normal operation and produce pivotal release movement between the plates when an overload force is applied to the plates. A flange 20 provided on one of the plates is removably stored within a tool placing table. Means 58-70 are provided for supplying a pneumatic release force between the plates to allow separation between the plates 32, 34 along a Z axis without imposing an overload force on the robot arm.
Patent JP-H02216107-A (JP)
Title: Method for fixing terminal of optical fiber
Inventor: KANAYAMA YOSHINOBU
IPC: G02B6/36
Filed: 1989-02-17
Abstract: PURPOSE:To surely prevent the crack and rupture of a fiber by a difference in thermal expansion by injecting the gel of silica glass into an optical fiber holding member and subjecting the gel to dehydration condensation to vitrify the gel, thereby fixing the holding member and the fiber. CONSTITUTION:The gel 8a of the silica glass 8 of a low viscosity is injected into the hollow hole 6a of the optical fiber holding member 6 and the optical fiber 7 and a capillary 9 are inserted in the directions of arrows A, B from the left side and the right side. The gel 8a is subjected to the dehydration condensation to vitrify. The optical fiber holding member 6, the optical fiber 7 and the capillary 9 are eventually fixed by the silica glass 8 having the coefft. of expansion equal to the coefft. of expansion of the fiber 7 or approximate thereto. The crack and failure of the optical fiber 7 arising from the difference in the coefft. of expansion by a temp. change is, therefore, prevented surely.
Patent JP-S55128015-A (JP)
Title: Electrically conductive fiber with improved color tone
Inventor: OKAMOTO KAZUYOSHI
IPC: D01F8/04
Filed: 1979-03-27
Abstract: PURPOSE: Electrically conductive fiber in which the specific color to the electrically conductive particles is shut up in the fiber and the color light of the outermost layer is reflected as much as possible, thus reducing the color of conductive particles to increase the commodity values.  
     CONSTITUTION: Said electrically conductive fiber is at least three-layered conjugate one consisting of (A) an electrically conductive and colored fiber-forming polymer such as nylon 6 containing dispersed conductive fine particles such as conductive carbon, (B) another fiber-forming polymer such as nylon 12 and (C) third fiber- forming polymer with higher refractive index than that of component B such as nylon 6 containing 3.5% of titanium oxide, wherein component B is laid between component A and C.  
     EFFECT: The color of the innermost layer becomes inconspicuous because the differ ence in refractive index helps the light reflection. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H11234855-A (JP)
Title: Terminal connecting structure and method therefor
Inventor: USHIYAMA KEIJI
IPC: H02G3/16
Filed: 1998-02-18
Abstract: PROBLEM TO BE SOLVED: To reduce the manufacturing cost of a terminal connecting structure for which the number of its parts can be reduced. SOLUTION: Forming a terminal connected to a load side as a female terminal 15, which has elastic pieces 18 contacted elastically with a bus bar 3 and is connected directly with the bus bar 3, and a holding portion 16 for holding the female terminal 15 is provided in a connector member 5. Thereby, joint relaying terminal and male terminal which were required conventionally can be thus dispensed with, and, the reduction of the number of parts items and the reduction of working man-hours are made possible.
Patent JP-S52119101-A (JP)
Title: Detection circuit for current
Inventor: KAWASHIMA KAZUMI
IPC: H04N5/44
Filed: 1976-03-31
Abstract: PURPOSE: To enable the precise switching action of the TV tuner by providing the differentiation circuit to the front stage of the switching transistor. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S52119553-A (JP)
Title: High frequency heating device
Inventor: TANAKA JIYUNZOU
IPC: F24C7/02
Filed: 1976-03-31
Abstract: PURPOSE: To enable change-overs from a short timer to a long time and from a strong flame to a week flame. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H01212080-A (JP)
Title: Slave picture display circuit
Inventor: OKAMURA KATSUTOMO
IPC: H04N5/45
Filed: 1988-02-18
Abstract: PURPOSE:To improve a horizontal resolution by shifting the reading clocks of a field memory by a half cycle between the first field and the second field of a master picture signal based on a decision signal from a field decision means. CONSTITUTION:The first field and the second field of the master screen signal are decided in a first/second field decision circuit 64, when the first field is decided, a switch 63 is set to a left side terminal s1 and when the second field is decided, it is set to a right side terminal s2. The reading clock RCK inputted to a switch 5 is directly supplied to a memory access part 61 at the time of the first field and supplied to the memory access part 61 through an inverter 62 at the time of the second field. Accordingly, the phases of the reading clock RCK are inverted between the first field and the second field. Thereby, when the cycle of the reading clock RCK is defined to be T, a reading timing from the field memory 10 and a transmitting timing to A/D converting circuits 7, 8, 9 are shifted by T/2 to improve the horizontal resolution.
Patent JP-H10232290-A (JP)
Title: Manufacture of ceramics bellows
Inventor: FUJISAKI KATSUO
IPC: B28B3/00
Filed: 1997-02-20
Abstract: PROBLEM TO BE SOLVED: To enable taking of allowable stress largely by manufacturing a bellows of ceramic showing mechanical property excellent at high temperature. SOLUTION: Ceramic raw material powder is made SiC, and a graphite core is manufactured by minute particle isotropic graphite. At first, the graphite core having wave shape on the surface is shaved by a lathe. The graphite core is inserted in the cylindrical bag of rubber or vinyl, and ceramic powder is filled therearound. It is put in a room temperature static pressure press, high static pressure is applied, and the graphite core is molded into a compact block. The bag is removed, and the graphite core is shaved by lathe processing so that the part of thickness of a bellows remains. The compact is put into a metallic mold, and a joint is seal-welded. The compact is put in a high static pressure press, and sintering of ceramic is performed at high temperature and pressure of argon gas. The metallic mold is separated.  A hole is drilled by a drill from both the end faces of the graphite core. The bellows with the graphite core is put in an electric furnace, and the graphite core is oxidized. A small amount of ash remains, removed, and manufacture of the bellows is completed.
Patent JP-2000233691-A (JP)
Title: Car body dress-up system
Inventor: SUZUKI SHINYA
IPC: B62D65/00
Filed: 1999-02-15
Abstract: PROBLEM TO BE SOLVED: To quickly perform the decoration of a car body at low cost and facilitate the peeling by determining the design to be applied to the car body, selecting a suitable decorative sheet, and affixing the decorative sheet cut after the determined design to the car body. SOLUTION: An input device such as a keyboard 2 or an image reader 3 is connected to a CPU 1. The information inputted from the input device is outputted and displayed on a display 4 connected to the CPU 1 to perform the selection and edition of a prescribed design. The determined cut design is outputted to a printer 5. A hard disc 6 as external memory device is connected to the CPU 1. The cut decorative sheet is affixed to a car body. This work is performed by preliminarily marking the car body and affixing the decorative sheet along the mark. In peeling, hot air is blown thereto by use of a portable dryer to perform the peeling work with heating, whereby the decorative sheet can be easily peeled.
Patent JP-H02217454-A (JP)
Title: Method for preventing edge overcoating and surface flaw of hot dipping steel sheet
Inventor: ONISHI AKIRA
IPC: C23C2/20
Filed: 1989-02-16
Abstract: PURPOSE:To prevent the edge overcoating or surface flaw of a hot dipping steel sheet by wiping a plating metal to control plating thickness and generating magnetic fields so that an electromagnetic force acts on the central part in a sheet-width direction or in a sheet-thickness direction. CONSTITUTION:A strip 2 is passed through a hot dipping metal bath 10 and drawn up, and a gas is sprayed on the above strip 2 by means of wiping nozzles 1 to wipe adhering plating metal and control plating thickness. In the above hot dip metal coating method, an edge overcoating-preventing device 14 is disposed on the downstream side of the wiping nozzles 1. Magnetic fields are generated at both edge parts of the strip 2 by means of electromagnetic coils 13 of the above device 14 and, simultaneously, electrification is performed via guide rolls 15, 15'. By this method, an electromagnetic force is allowed to act on the central part of the plating metal 12 in a sheet-width direction to control the thickness of the plating metal 12 at edge parts and prevent edge overcoating. Similarly, an electromagnetic force is allowed to act on the central part in a sheet thickness direction, by which wavy nonuniform plating can be smoothed and the occurrence of surface flaw can be prevented.
Patent JP-S62195072-A (JP)
Title: Production of bicycle frame
Inventor: SHIMOMORI KUSUO
IPC: B29C65/00
Filed: 1986-02-20
Abstract: PURPOSE:To enable accurate bonding of individual parts preventing outflow of adhesive during curing stage and to facilitate continuous and automatic assembling of the titled frame, by applying a thermosetting adhesive to the bonding part and curing the adhesive in hot bath. CONSTITUTION:A bicycle frame 1 assembled by applying a thermosetting adhesive (e.g. epoxy resin) to the bonding parts is supported with an assembling jig 2 and immersed in a hot bath 3. The above adhesive is cured in the liquid 4 of the hot bath 3 to obtain the objective frame.
Patent JP-S57156306-A (JP)
Title: Ozonizer
Inventor: UMIGA NOBUYOSHI
IPC: C01B13/11
Filed: 1981-03-16
Abstract: PURPOSE: To carry out the corrosion prevention with a welded stainless steel part and the vicinity thereof as a cathode, by mounting a sacrificial electrode on the inner surface on the cooling water side of an ozonizer body on the end plate or near there.  
     CONSTITUTION: Round holes corresponding to two grounding metallic electrodes 2 are perforated on an end plate 4, and a metallic core 18 of a sacrificial electrode 17 consisting of Zn, Mg, Al or an alloy thereof is mounted thereon by the welding and connected with the end plate 4 electrically through the welded part 19. The end plate 4 is then fixed on the inner surface on the cooling water side of an ozonizer body 1 to mount the electrodes 2 on the round holes by the welding. The material of the sacrificial electrodes 2 is a base metal compared with iron, and these metals are as an anode dissolved in water to carry out the corrosion prevention with the surface of the welded stainless part as a cathode. OH ions formed on the surface near the welded part which becomes the cathode make the surface partially alkaline, and the Ca and Mg in the water are attached to the surface as a scaly film, thus enhancing the corrosion prevention gradually. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H05232521-A (JP)
Title: Production of optical control device
Inventor: KAWASHIMA HISAO
IPC: G02B6/13
Filed: 1992-02-24
Abstract: PURPOSE:To decrease electrode destruction by a heating process, etc., by using the structure shorting electrodes from each other at the time of forming the electrodes. CONSTITUTION:The process for production of the optical control device having a pair of optical waveguides 21 to 24 for guiding light signals and a pair of metallic electrodes 51, 52 disposed near a pair of the optical waveguides 21 to 24 has a formation preparing stage for forming the electrodes by shorting a pair of the metallic electrodes 51, 52 from each other, a heating stage for heating and forming a pair of the optical waveguides 21 to 24 and a separating stage for electrically separating a pair of the metallic electrodes 51, 52 from each other. The electrodes are shorted and, therefore, even if there is the heating process in the subsequent stages, the charges and the accumulated in the respective electrodes are averaged and the discharge between the electrodes is suppressed by forming the structure shorting one part of the electrodes 51, 52 by this manner. Then, the generation of the electrode destruction is drastically decreased and, therefore, the optical control device free from the electrode destruction is obtd. at a high yield.
Patent JP-H06250533-A (JP)
Title: Transfer device
Inventor: FURUSAWA FUMIO
IPC: G03G15/01
Filed: 1993-02-25
Abstract: PURPOSE:To prevent the transfer failure caused by the waving of a transfer material. CONSTITUTION:A transfer device has an image carrier 11, image forming means 12, 10 for forming an electrostatic latent image on the image carrier 11, a developing means 13 for developing the electrostatic latent image to a toner image, a transfer material carrying device 16 having a transfer material carrier consisting of a dielectric film, a transfer device 17 for transferring the toner image formed on the image carrier 11 onto a transfer material, an attracting roll 22 for attracting the carried transfer material to the transfer material carrier, and a charged roll 25 for nipping the transfer material and the transfer material carrier opposite to at least either one of the image carrier 11 and the attracting roll 23.
Patent JP-H09233327-A (JP)
Title: Dither matrix preparing method
Inventor: UEDA MASASHI
IPC: H04N1/405
Filed: 1996-02-23
Abstract: PROBLEM TO BE SOLVED: To provide a method preparing a dither matrix which does not become noisy even if a dither method is used, is reduced in the degradation of resolution and is suppressed in the generation of a pattern. SOLUTION: A binarization processing is performed for the uniform density picture element matrix in which all the picture elements are a uniform density value (i) by an error diffusion method (S110), and the binarization picture element matrix F1 is preserved in a working memory 14 (S120). Subsequently, the binarization processing and the preservation are repeated in the same way, successively making the uniform density value (i) incremental. Afterwards, as for all the preserved binarization matrixes, the binarized values of the picture element of the same location are sunned up and an integrated result matrix M1 in which this total value is defined as an element is formed (S150).  Next, threshold for dither matrix is successively set from the picture element location in which the total value of the integrated result matrix M1 is low (S160) and the threshold is preserved in a dither matrix storage memory 16 (S170).
Patent JP-H11317455-A (JP)
Title: Semiconductor device and its manufacture
Inventor: IWASAKI TOMIO
IPC: H01L23/52
Filed: 1999-02-16
Abstract: PROBLEM TO BE SOLVED: To obtain a highly reliable semiconductor device, in which voids and disconnection are hard to occur by forming a barrier metal which is formed in contact with copper-film wiring of a ruthenium film and copper wiring in a laminated structure of a sputtered copper film and a plate copper film. SOLUTION: In a laminated structure 6 composed of a conductive film 4 and an adjacent film 5 laminated upon the film 4 cove in contact with the film 4, the materials of the films 4 and 5 are selected so that the difference,  |ap -an |/ap }×100=A (%), between the short side ap of the rectangular lattice constituting the minimum free energy surface of the conductive film 4 and the short side an of the rectangular lattice constituting the minimum free energy surface of the adjacent film 5, and the difference between |bp -bn |/bp }×100=B (%) between the long side bp of the rectangular lattice constituting the minimum free energy surface of the film 4 and the long side bn of the rectangular lattice constituting the minimum free energy surface of the film 5 satisfies the inequality,  A+B(ap /bp )<13.