baber/WOPTO huggingface dataset:
Patent JP-H09218286-A (JP)
Title: Atomic power plant
Inventor: MIYANAGA HIROSHI
IPC: G21C7/16
Filed: 1996-02-13
Abstract: PROBLEM TO BE SOLVED: To reduce inspection and maintenance according to reduced machines and reduce exposure to an operator in the meantime by supplying charge water or purge water from a common control rod driving water supplier to a control rod driving mechanism and a water pressure control unit of a plurality of atomic power plants. SOLUTION: A control rod driving water supplier comprises a condensate storage pool 1, a control rod driving water pump 2, a strainer 3, various valves, a pipe 4 and so on which are commonly used by two atomic power plants. Water introduced from the condensate storage pool 1 or a condensate system pipe 5a of a plant A and a condensate system pipe 5b of a plant B is raised in pressure by the control rod driving water pump 2, passes through the strainer 3, is adjusted in a flow rate by flow rate adjusters 6a, 6b, and then the water is supplied to control rod driving mechanisms 8a, 8b as purge water so that pile water may not mix into the mechanisms 8a, 8b from atomic pressure vessels 9a, 9b. After a scram, the water is supplied as charge water to water pressure control units 7a, 7b and a control rod driving mechanisms 4a, 4b.
Patent JP-S55118017-A (JP)
Title: Storage type liquid crystal display panel and its driving method
Inventor: TANI KAZUTSUKA
IPC: G09G3/18
Filed: 1979-03-06
Abstract: PURPOSE: To suppress the light scattering state at the storage image fixing by using dispersion type cholesteric liquid crystal and driving the same through combination of the specific frequencies in the storage type liquid crystal display panel.  
     CONSTITUTION: Glass substrates 4, 5 provided with transparent electrodes 2, 3 and having been applied with perpendicular orientation treatment on the inside surface side are assembled by way of a spacer 6 and the dispersion type cholesteric liquid crystal [e.g., the mixture of dispersion type nematic liquid crystal material S1085 (made by E. Merck KK) and chiral nematic liquid crystal material S1082 (made by E. Merck KK) at a weight ratio of about 17:3] 1 is sealed in the inside to form the storage type liquid crystal display panel. In the above-mentioned panel, the liquid crystal having positive dielectric anisotropy when driven at, e.g., 100Hz and negative dielectric anisotropy when driven at 20kHz is used and by driving the same at 100Hz to write then applying AC voltage of 20kHz for a fixed time followed by making the applied voltage zero, the light scattering at the stored image fixing is eliminated. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H01201992-A (JP)
Title: Manufacture of printed-circuit board
Inventor: HANABUSA TAKAYOSHI
IPC: H05K3/00
Filed: 1988-02-05
Abstract: PURPOSE:To prevent a solder plating layer formed on circuit pattern of printed- circuit board from fusing due to heating of the printed-circuit board on solder dipping by fusing a through-hole land pattern and a land pattern for adhering lead wiring after previously removing solder plating layer on a circuit pattern by the etching method using a resist film formed on an area excluding the circuit pattern on a printed-circuit board and then forming solder of land pattern for adhering lead wire. CONSTITUTION:A printed-circuit board is prepared, the area on a circuit pattern 11 is cleared, a resist film 11 is formed selectively on a land pattern 10 for adhering lead wire and on a through-hole pattern 12. Then, wit the resist film 21 as a mask, a solder plating layer 9 on the circuit pattern 11 is selectively removed. Then, after a resist film 21 is selectively removed and the land pattern 10 and the solder plating layer 9 on the land pattern 12 is fused, a solder resist film 22 is coated and formed selectively on the circuit pattern 11.
Patent JP-S63193171-A (JP)
Title: Driving transfer device for electrostatic recorder
Inventor: HAYASHIDA TAKESHI
IPC: G03G15/20
Filed: 1987-02-05
Abstract: PURPOSE:To transfer power to a driven shaft by rotating a driving shaft after setting in advance the driving shaft to an engaged state to the driven shaft, by providing a clutch member which slides in the axial direction by a joining operation to the driven shaft and rotated by a prescribed angle in the reverse direction of the driving rotation, on the driving shaft. CONSTITUTION:At the time of engaging and connecting a clutch plate 8 of a fixing device to a driving shaft 30, when a guide rail is inserted as a guide in the horizontal direction in order to install the fixing device to a recorder, the clutch plate 8 presses a flange part 32 of a clutch member 31 in the direction B against a compression spring 35, but in this stage, pins 8a, 8b and a notch 32a or a round hole 32b are not connected to the clutch member 31. When the clutch member 31 is pushed in the axial direction, the clutch member 31 turns couterclockwise by a spiral angle of a groove cam 33a, the notch part 32a and the round hole 32b are engaged to the pins 8a, 8b, respectively, and the clutch plate 8 and the clutch member 31 are connected. Accordingly, by an operation for installing the fixing device to the recorder, the clutch member 31 rotates automatically and its engagement is obtained.
Patent JP-H03231521-A (JP)
Title: Combined diversity receiver
Inventor: ITO TSUTOMU
IPC: H03G3/20
Filed: 1990-02-07
Abstract: PURPOSE:To improve the effect of multi-path distortion suppression by controlling an input signal from each antenna to be the same level by an AGC circuit. CONSTITUTION:AGC control circuits 17A,17B input the IF output signals of AGC amplifiers 16A,16B to a level detector 18A to convert the IF signal level to a DC voltage. The DC voltage is compared with a reference voltage at a comparator 19A. A control signal generating circuit 20A outputs an AGC control signal to the AGC amplifiers 16A,16B so that the DC voltage at the comparator 19A is equal to the reference voltage in response to the result of comparison and the IF output signal levels of the AGC amplifiers 16A,16B are controlled to be constant, thereby controlling the input levels from antennas 1A,1B to be identical.
Patent JP-H10203023-A (JP)
Title: Heat sensitive recording material
Inventor: MATSUI HIROAKI
IPC: B41M5/30
Filed: 1997-01-24
Abstract: PROBLEM TO BE SOLVED: To obtain the enhanced stability of a recording image, and improve preservation characteristics, in particular, improve its water resistivity finely by employing a specific phenol compound as a developer for coloring leuco dye on the support during the heating period. SOLUTION: Prepared for A liquid is 3-N, 20 pts. N-dibutyl amino-6-methyl-7- anilinofluoran, a 20 pts. 10% water solution of polyvinyl alcohol, 60 pts. water, prepared for B liquid is a 20 pts. developer, a 20 pts. 10% water solution of polyvinyl alcohol, and 60 pts. water expressed by a formula (however, (r) in the formula represents integral numbers of 1-3, and R represents. an aliphatic hydrocarbon radical that can include a substituent), and prepared for C liquid is 20 pts. silicon dioxide, and 80 pts. water. Next, 10 pts. A liquid, 30 pts. B liquid, 10 pts. C liquid, and 10 pts. stearic acid zinc dispersion liquid are blended to be heat sensitive coloring layer forming liquid.  Then, a heat sensitive coloring layer is provided by application drying the heat sensitive coloring layer forming liquid on the surface of a marketing quality paper, and the surface is subjected to calender operation for manufacturing heat sensitive recording material.
Patent JP-H07214343-A (JP)
Title: Gas pressure welding method of steel bar
Inventor: ISOGAI MITSUAKI
IPC: E04G21/12
Filed: 1994-01-28
Abstract: PURPOSE:To provide a gas pressure welding method which does not require strict shaping at the end face of a steel bar, is easy to execute and features good working efficiency. CONSTITUTION:A coating material to be applied on the joining end face of the steel bar is prepd. by compounding a deoxidizing agent and/or dehydrogenating agent as an essential component with a resin component. An alkyd resin, urethane resin, etc., are used as the resin component. Ferrosilicon, ferromanganese, etc., are used as the deoxidizing agent. A chlorinated polyethylene, chlorinated polypropylene, etc., are used as the dehydrogenating agent. The end of reinforcing bars 20, 20 in a contactless state are heated up to a prescribed temp. by acetylene flames from a heating section 14 of a gas pressure welding machine 10 and the reinforcing bars 20, 20 are joined by operating a pressurizing section 12 after a half molten state is attained. The pressure welded joint having the performance equiv. to the performance obtainable when the end faces are held in contact with each other are obtd. by the effect of the coating material applied thereon even if the end faces of the reinforcing bars 20, 20 are held in the contactless state.
Patent JP-S63194167-A (JP)
Inventor: OTA KIYOJI
IPC: F25B27/00
Filed: 1987-02-09
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-H02205756-A (JP)
Title: Apparatus and method for measuring double refraction
Inventor: MIURA AKIHISA
IPC: G01N21/23
Filed: 1989-02-03
Abstract: PURPOSE:To make it possible to measure double refraction values of a double refraction member at many points in a short time highly accurately by inserting the double refraction member between a first polarizing plate and a second polarizing plate, and inputting a bundle of rays in a condensed pattern into the second polarizing plate from the first polarizing plate. CONSTITUTION:In a measuring apparatus 10, a double refraction member 4 can be inserted between a first polarizing plate 1 and a second polarizing plate 2 which are set in a pattern wherein the polarizing directions are orthogonally intersected. A bundle of rays which is generated in condenser lenses 7 and has the equal distribution of the amounts of light in a condensed pattern is inputted into the second polarizing plate 2 from the first polarizing plate 1 under the state wherein a focal point is positioned at a certain measuring point in the member 4. A plurality of the condenser lenses 7 are continuously arranged in the specified direction along the member 4. The incident light path of a bundle of incident rays 16 is switched to the side of the neighboring lens 7 by the rotation of a rotary mirror 17. The bundle of rays 16 is vertically inputted into the lenses 7 through correcting prisms 18. In this way, the bundle of rays is sequentially moved for every neighboring measuring point of the member 4. The amount of the light which has been transmitted through the polarizing plate 2 is measured for every measuring point with a photoelectric transducer element train 12.
Patent JP-H11214211-A (JP)
Title: Magnetic fluid
Inventor: TAKEISHI YOSHIYUKI
IPC: H01F1/44
Filed: 1998-01-23
Abstract: PROBLEM TO BE SOLVED: To obtain a magnetic fluid having high saturation magnetization, by dispersing in polymethylphenylsiloxane base oil by using aliphatic carboxylic acid and polymethylphenylsiloxane alkylcarboxylic acid or its chloride shown by a specified formula. SOLUTION: Polymethylphenylsiloxane alkylcarboxylic acid (salt) which is shown by a formula (wherein R<1> , R<2> , and R<3> are methyl group or phenyl group, R<4> is 2-30C alkylene group, M is hydrogen atom or alkali metal or ammonium group, (a) is an integer of at least 1, a+b+c is an integer of 2-2,00, and (b) and (c) may be 0) is used as silicone surfactant together with salt of aliphatic carboxylic acid. After magnetite fine particles formed by a coprecipitation method are dissipated in polymethylphenylsiloxane base oil by a dispersion treatment using ultrasonic wave, centrifugation is performed, and a silicon based magnetic fluid is obtained.
Patent JP-H09216411-A (JP)
Title: Measuring instrument of led head and measuring method of luminescent point row of led array
Inventor: NAKAJIMA NORIO
IPC: H01L33/00
Filed: 1996-02-14
Abstract: PROBLEM TO BE SOLVED: To secure a slippage in luminescent point rows of an LED array. SOLUTION: This measuring instrument includes an LED driver to light on two or more LED elements selectively, a photo sensor 20 arranged opposite to an LED array, a slit plate 21 that has two slits 21a and 21b and is arranged between the photo sensor 20 and the LED array, a carriage to carry the photo sensor 20 and the slit plate 21 in the arranging direction of the LED elements, and a detector that detects the positions of the LED elements along the slits 21a and 21b based on outputs of the photo sensor 20 when the LED elements are lit on individually while the photo sensor 20 and the slit plate 21 are moved in the arranging direction of the LED elements.
Patent JP-S54119821-A (JP)
Title: Signal delivery line
Inventor: MAKIURA YASUHIKO
IPC: H04B3/46
Filed: 1978-03-10
Abstract: PURPOSE:To perform the test of electric wires, by measuring the value of the parallel resistor provided at each end point of the electric wire, without removing the electric wires through connecting the capacitor in series with each end point and increasing the DC resistance of the electric wires for delivery, in the signal delivery line delivering AC signal or pulse signal. CONSTITUTION:In the signal delivery line providing the signal transceivers 10, 11, the capacitors 10 and 11 are connected in series with each end of a pair of electric wires for delivery 20, and the resistors 50 and 51 are connected in parallel between a pair of terminals. Further, the resistors 30, 31 for impedance matching are connected to the signal transceivers 10, 11 the terminals 60, 61 detecting the open wire or short circuit of the delivery electric wires 20 are connected across the resistor 50, and DC resistance between the terminals 60 and 61 is measured, allowing to conduct the test for open wire and short circuit of the delivery electric wires 20 without removing the wires 20.
Patent JP-H0555595-A (JP)
Title: Semiconductor device for power
Inventor: NAITO MASAMI
IPC: H01L29/78
Filed: 1992-02-13
Abstract: PURPOSE:To provide a semiconductor device for power which secures a high thermal conductivity and strength and achieves a low ON resistance. CONSTITUTION:An n<->-type InP layer 2 with a higher electron mobility and a wide inhibited band is placed on a surface of an n<+>-type silicon substrate 1 and an n-channel power MOSFET is formed on this n<->-type InP layer 2. Namely, a p region 5 is formed on a surface of the n<->-type InP layer 2, an n<+>-region 6 is formed within this p region 5, and further a gate electrode 4 is formed on a surface of the n<->-type InP layer 2 through a gate insulation film 3, and a source electrode 8 is formed on the n<+> region 6 and the p-region 5. Also, a drain electrode 9 is formed on a rear surface of the n<+>-type silicon substrate 1.
Patent JP-H10219108-A (JP)
Title: Heat-resistant resin composition
Inventor: OGAWA TETSUO
IPC: C08G59/50
Filed: 1997-02-10
Abstract: PROBLEM TO BE SOLVED: To provide a heat-resistant resin compsn. which is esp. useful in the fields of coating materials, printing, aligned liq. crystal films, etc., is excellent in coatability, can be baked at a low temp., and can easily form a chemically stable, heat-resistant film. SOLUTION: This compsn. contains, as the essential ingredients, an org.- solvent-soluble polyimide resin (A) obtd. by reacting a tetracarboxylic dianhydride with a polyamine in a molar ratio (r) satisfying the relation: 1.43>r>1.02 or 0.98>r>0.70 and an epoxy compd. (B) having at least one epoxy group in the molecule.
Patent JP-H06238124-A (JP)
Title: Removing method of harmful gas
Inventor: TSUTSUMI TERUYUKI
IPC: B01D53/34
Filed: 1993-02-16
Abstract: PURPOSE:To efficiently and economically remove hydrides of arsenic, boron, etc., by bringing an aq. soln. compounded with metal such as copper, silver, etc., and/or metal compd. having oxide in a soln. state into contact with harmful gas. CONSTITUTION:An aq. soln. of oxidizing agent such as hypochlorite, and permanganate having oxidizing effect in a soln. state is used. Metals such as copper, silver, magnesium are compounded in powder state or salt or oxide are compounded into this son. in an amt. of >=0.01wt.% of the oxidizing soln., more preferably >=0.1wt.%. The soln. of the oxidizing agent is brought into contact with harmful gas containing hydrides of arsenic, boron, phosphor, etc. Thereby, harmful gas can very efficiently and economically be removed from this gas.
Patent JP-H09222249-A (JP)
Title: Range hood fan
Inventor: SUZUKI TADAYOSHI
IPC: F24F7/06
Filed: 1996-02-14
Abstract: PROBLEM TO BE SOLVED: To enable combustion waste gas or oily smoke to be positively sucked into a hood and discharged from it by a method wherein a flow regulating plate is arranged at a central part of a lower opening section of the hood to form a suction clearance for increasing a speed of suction air between it and the peripheral edge of the opening of the hood and then a closing plate which can be opened or closed is arranged at the suction clearance section. SOLUTION: A fixing frame 4 having an annular square form as viewed at its top plan view is fixed to an inner side of a hood A at its inner surface by welding or the like in a horizontal and vertical orientation at a position slightly higher than the lower end of the hood A through a supporter 5 suspended and fixed thereto. A flow regulating plate 6 having a substantial same shape as an outer shape of the fixing frame 4 is fixed to the lower surface of the fixing frame 4. A suction clearance (a) for use in increasing a suction air speed is defined at a circumference of the hood A with the flow regulating plate 6 and the circumference of the opening of the hood A and then a closing plate 9 for closing or releasing the air suction clearance (a) is arranged inside the hood A.  Then, the suction air speed is further increased by performing a proper selection of opening or closing of the suction location in response to a flow of combustion waste gas or oily smoke to be discharged.
Patent JP-H01201451-A (JP)
Title: Manufacture of ti sheet
Inventor: IBATA HARUHIRO
IPC: C22F1/00
Filed: 1988-02-08
Abstract: PURPOSE:To obtain a Ti sheet showing superior scratch resistance at the time of secondary working, such as tube making, by subjecting a Ti sheet cold-rolled by means of rolls of specific surface roughness to annealing under the condition in which the amount of oil adhering to the surface, etc., are specified. CONSTITUTION:A Ti stock is cold-rolled by using rolls of >=0.6mum surface roughness Ra, and the resulting Ti sheet is annealed in a nonoxidizing atmosphere under the condition where rolling oil is not quite removed and the oil adhering to the surface is allowed to remain by >=10mg/m<2>. By this method, a thin surface hardened layer composed principally of active C atoms. produced by the thermal decomposition of the lubricating oil or TiC produced by the thermochemical reaction between hydrocarbon and the Ti sheet surface is formed, by which the Ti sheet excellent in scratch resistance at the time of secondary working can be obtained.
Patent JP-H03231468-A (JP)
Title: Semiconductor device
Inventor: SUZUKI HIDEKAZU
IPC: H01L29/68
Filed: 1990-02-06
Abstract: PURPOSE:To realize a semiconductor device which makes a high speed and a high integration possible by a method wherein the position of a discrete energy level is changed to control the transportation of carriers. CONSTITUTION:The conduction band of a semiconductor constituting a first semiconductor region 1, a supply region 3 and a collection region 4 forms the well of a potential, i.e., a quantum well. In a state that a voltage is not applied between a first control region and a second control region 50, 51, energy positions of a discrete level do not coincide in the semiconductor region 1, the supply region 3 and the collection region 4. As a result, electrons do not flow to the collection region 4 from the supply region 4. When the voltage is applied between the control regions 50, 51 and an electric field is generated in the semiconductor region 1 situated between them, the well of a potential in the semiconductor region 1 is tilted and the position of a discrete energy level in the part is lowered downward. Consequently, when an electric field coinciding with the position of a discrete energy level in the supply region 3 and the collection region 4 is applied, the positions of the discrete energy level are connected continuously and the electrons flow.
Patent JP-S59153753-A (JP)
Title: Splicer for sheet connection
Inventor: MURAKAMI TAMOTSU
IPC: B41F13/02
Filed: 1983-02-22
Abstract: PURPOSE:To facilitate the preparation and the operation on the basis of a simple construction by setting the succeeding sheet roll alternately on front and rear support units for connecting the top of the sheet with the sheet drawn out from the preceding sheet roll. CONSTITUTION:Sheet rolls 17- I and 17-II are supported by support units 1a and 1b on upper and lower streams of the flow direction of a sheet at an interval ance. In the upper side between rolls 17- I and 17-II, a table and a reciprocating belt 3 are arranged and above the belt 3, a sheet guide device 6 is provided to be reciprocated in parallel. When a sheet of the roll 17- I stretched on the front support unit 1a is drawn out via the sheet guide device 6 moved to the front end side of the table, the succeeding roll 17-II is set on the rear support unit 1b to place the sheet on the belt 3 from the rear side, and the belt 3 is circularly driven at a fixed amount to be advanced. Then, the sheet of the roll 17-II is advanced in one body with the belt 3 and connected with the preceding sheet on the guide device 6 at its top. This construction permits to connect the belt easily.
Patent JP-H02206057-A (JP)
Title: Information processor
Inventor: YONEYAMA KOICHI
IPC: G11B23/00
Filed: 1989-02-06
Abstract: PURPOSE:To surely prevent slip and to shorten an access time by providing a slip preventive member having an engaging part on a medium supporting means, and also, forming a part to be engaged which is engaged to the engaging part of the slip preventive member on the surface of a hub of an information storage medium. CONSTITUTION:In a recessed part 11a of a turntable 11, a slip preventive member 15 having a rotation axis insert-through hole 14 is contained. On the upper face of the slip preventive member 15, an engaging part 16 consisting of plural spherical projecting parts 16a,... of the same shape is formed on a concentric circle centering around the rotation axis insert-through hole 14, and also, in a state that they come into contact with each other or overlapped partially. On the other hand, on the surface of a hub 6 of a disk 1, a part to be engaged 17 consisting of spherical recessed parts 17a,... of the same number as the engaging part 16 is formed. In this state, when the disk 1 is installed in the turntable 11, the engaging part 16 and the part to be engaged 17 are engaged to each other. In such a way, a slip is prevented surely and an access time can be shortened.