baber/WOPTO huggingface dataset:
Patent JP-S63243184-A (JP)
Title: Color-changing adhesive
Inventor: SUMIYA MITSUKUNI
IPC: C08L29/14
Filed: 1987-03-31
Abstract: PURPOSE:To obtain an adhesive having uniform color before use, storable without causing discoloration before application and decolorized after use, by compounding an adhesive composed of PVA resin, etc., with a colorant developing the color in alkaline state and decolored under neutral condition or thereabout. CONSTITUTION:The objective adhesive is produced by compounding (A) an adhesive composed of a mixture of PVA resin and polyvinyl acetal resin having a polymerization degree of 500-2,500 (preferably 1,200-2,000) and a resin content of 5-35wt.% (preferably 10-25wt.%) with (B) a colorant developing the color in alkaline state and decolored under neutral condition or thereabout (e.g. o-cresolphthalein and alpha-naphtholphthalein) in an amount of 0.001-1.00wt.% (preferably 0.01-0.1wt.%). If necessary, the adhesive may be added further with an alkali agent, water, etc.
Patent JP-H05244759-A (JP)
Title: Three-phase hybrid stepping motor
Inventor: SATOMI HIROBUMI
IPC: H02K37/04
Filed: 1992-02-27
Abstract: PURPOSE:To obtain a stepping motor which is reduced in vibration and improved in resolution and operating speed by constituting the motor so that specific relations can be met among a specific number of stator salient poles which are alternately arranged, numbers of stator teeth of each salient pole, pitch angle formed by the center of each stator tooth group, and number of rotor teeth. CONSTITUTION:Twelve stator salient poles 11, 12..., 112 are arranged on the surface facing a rotor core 2 in a stator core 1 so that those equipped with (a) (a: an integer of one or larger) pieces of stator teeth 3 arranged at a tooth pitch taus1 and those equipped with (a+1) pieces of stator teeth 4 at a tooth pitch of taus2 (taus1>=taus2) can be alternately arranged. Then the pitch angle between each salient pole 11-112 and center of each stator tooth group 3 or 4 is set at 30 deg.. In addition, the number ZR of rotor teeth is set at ZR=12n+2 or 12n+4 (a and n: integers of 1 or larger). Therefore, a three-phase hybrid stepping motor which is reduced in vibration and improved in resolution and operating speed compared with two-phase stepping motors, and uses a simple and inexpensive drive circuit can be obtained.
Patent JP-H06268275-A (JP)
Title: Lamination-type displacement element and its manufacture
Inventor: SADAMURA SHIGERU
IPC: H01L41/22
Filed: 1993-03-10
Abstract: PURPOSE:To provide a lamination-type displacement element and its manufacturing method which can improve mechanical strength and reduce machining time without cutting the edge part of a piezoelectric lamination body. CONSTITUTION:In the title method for manufacturing a lamination-type displacement element where a piezoelectric element plate 2 and an internal electrode 4 are laminated alternately to form a piezoelectric lamination body 6 and then an external electrode 10 is provided, an insulation layer 8 is formed on the surface of the piezoelectric lamination body and then a cutting groove 18 is formed on the layer by a machining tool such as a dicer. In this case, a non-cut part 20 is left at both edge parts of the cutting groove. After that, a pastelike conductive layer is formed on the insulation layer, thus forming the external electrode 10.
Patent JP-H04311587-A (JP)
Title: Electrochemical device using ion-exchange resin membrane
Inventor: TAJIMA HIDEHIKO
IPC: C25B1/04
Filed: 1991-04-09
Abstract: PURPOSE:To make the device compact and lightweight by separating the liq. reactant and gaseous product or the gaseous reactant and liq. product in the process of reaction. CONSTITUTION:An ion exchange resin-liq. permeable fiber composite membrane 3 is provided between gas diffusion electrodes 4, the liq. is supplied to and discharged from the membrane 3, and the gas is supplied to and discharged from the back of the electrode 4. Consequently, gas and liq. are separated, the supply of the liq. can be adjusted, and a high-efficiency and compact device is realized. Meanwhile, a hollow fiber is used as the liq. peremeable fiber 2 to increase the amt. of the liq. to be permeated, the electrode 4 is combined with the membrane to separate the reactant and product more surely, and the performance is further improved.
Patent JP-H09263706-A (JP)
Title: Chromium complex azo dye solution
Inventor: OKUBO SHINYA
IPC: C09B67/44
Filed: 1996-03-29
Abstract: PROBLEM TO BE SOLVED: To obtain a chromium complex azo dye soln. which can be long stored even at low or high temps. by dissolving a chromium complex azo dye in a specific solvent. SOLUTION: A chromium complex azo dye represented by formula I is dissolved in a solvent omprising a water-sol. org. solvent having a b.p. of 100 deg.C or higher (e.g. ethylene glycol) and water or an alcohol having a b.p. lower than 100 deg.C (e.g. methanol) in a ratio of (100:0)-(50:50). The soln. is prepd. e.g. by charging 2,2'-dihydroxy-6-nitro-1,1'-azonaphthalene-4-sulfonic acid or its wet cake and a chromic acid compd. (e.g. a salicylate) into the above-mentioned solvent at 30-100 deg.C, causing the reaction at 40-120 deg.C, filtering the reaction soln. at 0-80 deg.C to remove impurities, concentrating the soln. under heating at 50-130 deg.C to remove water or the alcohol having a b.p. lower than 100 deg.C, adjusting the pH to 3-5 by adding urea and acetic acid, cooling to -10 deg.C to 50 deg.C, and filtering again to remove impurities. Thus is obtd. a high-concn. soln. of an azo dye in the solvent as a filtrate.
Patent JP-S60219707-A (JP)
Inventor: SEGAWA MASAO
IPC: H01C17/22
Filed: 1984-04-16
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。
Patent JP-S60220145-A (JP)
Title: Preparation of hydrogen treating catalyst
Inventor: AKIZUKI IKUO
IPC: C10G45/08
Filed: 1984-04-16
Abstract: PURPOSE:To prepare a highly active hydrogen treating catalyst used in the hydrogen treatment of hydrocarbon oil, by supporting a metal belonging to the group VIII and the group VIB of the Periodic Table by a silica-alumina carrier in a well dispersed state. CONSTITUTION:Silica-alumina containing 2-35wt% of silica or a material containing said silica-alumina is used as a carrier and a metal belonging to the group VIII of the Periodic Table such as nickel or cobalt is supported by said carrier as oxide in a range of 0.5-20wt% according to an impregnation method and a metal belonging to the group VIB of the Periodic Table such as molybdenum or tungsten is subsequently supported as oxide by said carrier in a range of 1-8wt%.
Patent JP-H08267147-A (JP)
Title: Press working device for metal plate
Inventor: YAMAWAKI HIROSHI
IPC: B21D5/04
Filed: 1995-03-31
Abstract: PURPOSE: To provide a press working device which can execute pressing or burring excellently without causing the enamel-hair even in the case of pressing a metal plate whose surface is formed with a coating film layer etc., from the surface side by a punch. CONSTITUTION: In this device 32 by which a bending part 28 to be bent in the metal plate 1 is pressed from the one surface side by the tip of the punch 38 and bent to another surface side, the shape of a peripheral part 44 of the tip of the punch 38 is formed so as to be made in a curve shape at the cross-section of the pressing direction of the punch 38. Further, the curve like peripheral part 44 has a contact point 45 composing a tangential line to be parallel with one side surface of the bending part 28, and is the punch 38 is provided with the bending part 28 so that the contact point 45 is made in contact with the bending part 28 at the time of starting the pressing work by the punch 38. Therefore, the bending part top end 28a is made in non-contact with the punch 38 at least at the time of starting the bending of the bending part 28.
Patent JP-S62231965-A (JP)
Title: Copying device
Inventor: KOBAYASHI MASAO
IPC: G03G15/04
Filed: 1986-04-01
Abstract: PURPOSE:To copy an image on an original without using any consumable goods except a photosensitive recording sheet, by breaking down a microcapsule whose rupture strength is weak, of the microcapsules on the photosensitive recording sheet which is exposed, namely, that which is not hardened by irradiating a light beam, or that which is softened by irradiating the light beam. CONSTITUTION:Paper 60 is used as a sheet-shaped supporting body, and a dyestuff precursive body, and a developer such as an organic acid which is colored by reacting to the dyestuff precursive body and used as a main component of that which is enclosed in a microcapsule, and as a main component of that which carries a photosetting resin and a photopolymerization start agent on the paper 60, respectively. A microcapsule 62 of a part to which a light beam on a photosensitive recording sheet 44 is irradiated is hardened, and a microcapsule 64 of a part to which the light beam is not irradiated is left in its original soft state. Thereafter, when pressure is applied by a pressure roller 46, only the microcapsule 64 which is left in a soft state is crushed, the dyestuff precursive body in its microcapsule 64 reacts to a developer 66 which is applied onto the paper 60, and a copy image of the same phase as that of a photosensitive drum 30, namely, an original 26 is obtained.
Patent JP-H01249645-A (JP)
Title: Refractory material containing carbon
Inventor: ICHIKAWA KENJI
IPC: C04B35/04
Filed: 1988-03-31
Abstract: PURPOSE:To provide refractory material contg. carbon, remarkably improved in oxidation resistance and spalling resistance, by making from carbonaceous material coated with a colloidal soln. of one or more kinds of SiO2, Al2O3, TiO2 and ZrO2, and refractory material. CONSTITUTION:The carbonaceous material such as natural graphite, artificial graphite is coated with the colloidal soln. above-mentioned. As the colloidal soln., one or more kinds of alcoholic silica sol, aq. silica sol, aq. alumi sol, SiO2 alkoxyhydrolysate sol, etc., can be used. When the colloidal soln. is used in 1-10 pts.wt. as solid component to 100 pts.wt. carbonaceous material, a particularly good result is obtd. The targeted refractory material contg. carbonaceous material is obtd. by adding and mixing 3-50 pts.wt. carbonaceous material applied with the coated film above-mentioned to 100 pts.wt. the refractory material.
Patent JP-H06261985-A (JP)
Title: Miscutting preventing scissors
Inventor: NISHIZUKA UMETARO
IPC: H02G1/02
Filed: 1993-03-11
Abstract: PURPOSE:To provide miscutting preventing scissors which prevent an electric wire in live condition from being cut by mistake by preventing the conductor of the electric wire from being cut momentarily when a shearing cutter touches the conductor in operations of cutting the wire, and locking the shearing cutter so that it may not cut the wire when current feed to the wire is sensed. CONSTITUTION:Scissors comprise a working member 2 having a shearing cutter 5, another operating member 3 having a receptacle 4 which is provided capable of coming of into contact with and seaprating from the cutter 5, a sensing means to sense the live condition of an electric wire 48 when the cutter 5 touches the conductor 50 of the wire 48, and a solenoid 42 which is energized when the sensing means senses the live condition of the wire 48. Further latch mechanisms 16, 19 are furnished which are operated through energization of the solenoid 42, wherein one latch mechanism is mounted on the working member 2 while the other latch mechanism is mounted on the other working member 3, and a resilient member 22 to deform with a load on the receptacle 4 of the shearing cutter 5 is provided on either of the working members 2, 3 and the shearing cutter 5 and receptacle 4.
Patent JP-S57192040-A (JP)
Title: Wire bonding method for semiconductor device
Inventor: KATOU TOSHIHIRO
IPC: H01L21/60
Filed: 1981-05-22
Abstract: PURPOSE:To reduce the cost of a lead frame by conducting the wire bonding of an Au wire to the surface of the inner lead of the lead frame without plating treatment with the precious metal such as Au or Ag. CONSTITUTION:A heater block is formed by an island section heating block 23, an inner lead section heating block 24 and a heat transfer section 25. The blocks 23, 24 are each heated by means of separate heaters 41, 41'. Inert gas passing holes 26 are formed to the block 24, the block is heated during the time when the gas passes in the holes, and the gas is introduced by blowoff ports 31 and used as the atmosphere of the inner lead section 22. Au is bonded onto the non-precious metal surface of the inner lead section 22 in the inert gas atmosphere.
Patent JP-H01164352-A (JP)
Title: Measuring endoscope
Inventor: SAITO SATOSHI
IPC: A61B1/04
Filed: 1987-03-31
Abstract: PURPOSE:To properly perform measurement and normal observation by clearly detecting the spot due to pattern projection light by providing an irradiation timing control means for controlling the irradiation timing of measuring pattern projection light and that of observing illumination light. CONSTITUTION:When a scope 19 is inserted in a required region and an observation/measurement change-over switch 27 is changed over to an observation mode, only observing illumination light is allowed to continuously irradiate an object to be measured. When said switch 27 is changed over to a measuring mode, only pattern projection light 13 is projected on the object to be measured to obtain a clear matrixlike two-dimensional spot light pattern receiving no effect of the observing illumination light. Further, when the switch 27 is changed over to a pulse mode, pulselike observing illumination light adjusted to a predetermined repeated cycle by a pulse timing control circuit 25 is allowed to irradiate during the continuous projection of the pulse projection light 13. Then, the reading control of the spot light pattern generated by pattern projection light and the image for observation generated by the observing illumination light is properly performed.
Patent JP-S58194977-A (JP)
Title: Ground conditioner for deep mixing method
Inventor: ANDOU HARUKA
IPC: C09K17/00
Filed: 1982-05-10
Abstract: PURPOSE:To provide the titled conditioner capable of securing low initial strength and increased strength for a prolonged period, by incorporating vitreous blast furnace slag with lime or normal Portland cement. CONSTITUTION:A ground conditioner comprising a blend of 60-90wt% vitreous blast furnace slag, 10-40wt% lime or normal Portland cement and, if necessary, 15wt% or lower gypsum, wherein 160-200kg of said conditioner is added to 1m<3> of soil. In practice, for example, vitreous blast furnace slag having Blaine's specific surface area of 1,500-5,000cm<2>/g and being ground by wet or dry process is used. A blend is used in a pulverized or slurry form and, in the case of slurry, 50-100pts.wt. water based on 100pts.wt. compsn. of vitreous blast furnace slag, etc. is pref.
Patent JP-H10252359-A (JP)
Title: Fitting
Inventor: NAKANO SHIGEHISA
IPC: E06B3/72
Filed: 1997-03-12
Abstract: PROBLEM TO BE SOLVED: To reduce manufacturing cost by arranging a sash-roller housing case to a frame body, injecting a foaming material into a space surrounded by face materials disposed on both surfaces of the frame body and the frame body and installing the sash roller into the opening of the sash-roller housing case. SOLUTION: The upper ends of a pair of vertical frame members 7, 9 and an upper frame member 3 are connected by corner pieces 11A, 11B, the lower ends of the vertical frame members 7, 9 and a lower frame member 5 are coupled by corner pieces 11C, 11D, to which sash-roller housing cases 100 are formed integrally, and the whole is framed in an approximately rectangular shape. Face materials 23, 23 arranged on both surfaces of the frame body 1 are abutted against the ribs of the lower frame member 5 while being positioned among the ribs of the vertical frame members 7, 9, and positioned in the three directions. A foaming material is injected into a space surrounded by the frame body 1 and the face materials 23, 23 from openings bored to the external surfaces of the upper frame member 3 and the lower frame member 5, thus comleting the fittings.  Accordingly, manufacturing cost can be reduced by injecting the foaming material into the space surrounded by each face material 23 and the frame body 1 and mounting sash rollers into the openings of the housing cases 100.
Patent JP-S561687-A (JP)
Title: Control system for key telephone equipment
Inventor: DOI AKIO
IPC: H04Q5/20
Filed: 1979-06-20
Abstract: PURPOSE:To simplify the circuit constitution and then decrease the core number of the wiring cable, by varying the call current of the telephone line via the constant current circuit within the slave unit and then identifying the button selection, the holding and the dial information via the detecting circuit within the master unit. CONSTITUTION:The connection is secured between slave units #1-#3 and the master unit of the key telephone equipment via power lines +P and -G, call line T and information line J each. Then serial-parallel converting circuit 23 which converts the serial information into the parallel information is provided to units #1-#3 along with call current control circuit 21 which controls the value of the call current to the level corresponding to the operation state of the level set previously and with operation of the key. On the other hand, slave unit detecting circuits 8-1-8-3 which identify the valve of the call current through a comparison with the reference level set previously are provided to the master unit along with parallel-serial converting circuit 14 which converts the parallel information into the serial information. Then the call current flowing to line T is varied by circuit 21 within units #1-#3, and the button selection, the holding and the dial information are identified through circuits 8-1-8-3 within the master unit. In such way, the circuit constitution can be simplified.
Patent JP-H05282644-A (JP)
Title: Magnetic head and magnetic recorder
IPC: G11B5/60
Filed: 1992-03-31
Abstract: PURPOSE:To provide the mechanism for facilitating tracking. CONSTITUTION:The magnetic head 10 is constituted by integrally providing a head core 14 and a photodetector 16 on a head chip 12. The head chip 12 is formed by bonding a first chip 12a and second chip 12b which are respectively made of ceramics. The coupling surfaces of both are perpendicular to the surface facing a magnetic recording medium. The head core 14 and the photodetector 16 are clamped between these coupling surfaces and an optical waveguide 18 made of glass is disposed on the side of the surface facing the photodetector 16. The position of the magnetic head gap and the optical detection position (the position of the photodetecting part of the photodetector) are always at the equal radial position with respect to the center of rotation of the magnetic recording medium. Then, the device and stage for measuring and correcting the deviation are omitted for the magnetic recorder adopting this magnetic head and the device having the high reliability is inexpensively constituted. The time for starting the device is shortened as well.
Patent JP-H01248802-A (JP)
Title: Parabolic antenna
Inventor: ARAKI NOBUHIRO
IPC: H01Q21/06
Filed: 1988-03-30
Abstract: PURPOSE:To detect the relative position of a transmitting source and a receiving side and to follow the transmitting source by providing a two-dimensional array-shaped Josephson element at the converging position of the parabolic mirror and on the surface of the direction vertical to the optical axis of a parabolic mirror and providing an inclination mechanism to incline the parabolic mirror and the Josephson element. CONSTITUTION:A Josephson element 3 is provided in a two-dimensional array shape at the converging position of a parabolic mirror 1 and on the surface of the direction vertical to the optical axis of the parabolic mirror 1. When the reference radius of the parabolic mirror 1 is denotes as R, a focal distance (f) of the parabolic mirror 1 is 2R, and when a radio wave 2a is made incident by the angle of theta from the optical axis of the parabolic mirror 1 and the distance from the center of the surface, to which the Josephson element 3 is arranged, to a converging position is denoted as Y, the relation of Y=2Rtantheta is established. Based on the detected result, the position of the transmitting source can be measured, and consequently, by inclining the parabolic mirror 1 and the Josephson element 3 with an inclination mechanism 5, the converging position is positioned to the central part of the array-shaped Josephson element 3 and when the transmitting source slips from the visual field of the Josephson element 3, this can be followed.
Patent JP-H03278356-A (JP)
Title: Tape feed control system and tape guide for recording and reproducing device
Inventor: KANO KIYOSHI
IPC: G11B15/61
Filed: 1990-03-28
Abstract: PURPOSE:To prevent step winding from occurring by detecting tape feed height in the neighborhood of a reel, and varying relative height difference between the tape feed height and the setting height of the reel. CONSTITUTION:Detecting means 71, 72 which detect the tape feed height in the neighborhood of the reel, and a control means which controls the change quantity of a varying means 81 to vary the relative height difference between the tape feed height and the setting height of the reels 40, 41 are provided. The control means sends driving signals to correct the change quantity of the tape feed height to the varying means 81, for example, of laminate ceramic, etc., corresponding to a signal from the detecting means. In such a way, it is possible to keep the tape feed height in the neighborhood of a supply side reel constant, and to prevent the influence of the step winding.
Patent JP-H08274197-A (JP)
Title: Semiconductor arithmetic circuit
Inventor: KAIHARA TATSU
IPC: H01L29/792
Filed: 1995-03-31
Abstract: PURPOSE: To obtain a semiconductor device in which a voltage waveform in which many functions are similar to a folding line can be generated with low power consumption by controlling ON and OFF of a MOS transistor by a floating gate in which the output voltage of a first or second circuit is coupled via a capacitor. CONSTITUTION: When a first signal voltage is lower than a first voltage value with respect to the first signal voltage decided as a single analog input voltage or the weighted mean voltage of a plurality of analog input voltages, a predetermined second voltage value is output, while when it is larger than the first voltage value, a predetermined first voltage value is output. A plurality of one or both of such a first circuit and a second circuit having reverse relation of the output to the first circuit are used. In such a semiconductor circuit 153, the output voltage of the first or second circuit is electrically coupled to the same floating gate via a capacitor and the floating gate controls ON or OFF of at least the one MOS transistor.
Patent JP-H0194048-A (JP)
Title: Television set for vehicle
Inventor: TADA SHIRO
IPC: B64D11/00
Filed: 1987-03-30
Abstract: PURPOSE:To secure such a vehicle TV receiver that is free of being housed at the back seat rear side at the time of disuse by installing the TV receiver rotatably in an upper part at the back seat rear side, and installing a table in the upper part of a rotatable arm free of folding at the said lower part. CONSTITUTION:A thin type TV receiver 5 using a liquid crystal display element is rotatably installed in the backside upper part of a back seat 1 of a seat in a vehicle including an airplane, an automobile, a ship or the like, while an arm 2 is attached to the back seat rear side lower part free of rotation, and each of tables 3, 4 is installed in the upper part free of folding. The TV receiver 5 is made adjustable to be set in a position easily seeable for passengers at the rear row, and furthermore these tables 3, 4 are able to be set in a proper position, whereby these tables are made usable simultaneously with seeing the television. According to this method, when the TV receiver and these tables are not used, they can be compactly housed at the back rest rear side.