baber/WOPTO huggingface dataset:
Patent JP-S52155539-A (JP)
Title: Developing device for electrostatic latent image
Inventor: MOCHIZUKI NOBUO
IPC: G03G15/09
Filed: 1976-06-19
Abstract: PURPOSE: To prevent the adhesion of toner to a roller due to the frictional heat and also prevent the deterioration of developing characteristic in the electrophotographic or electrostatic recording device of the system wherein the toner is frictionally charged by employing a triboelectric charge member by cooling a developing roller or triboelectric charge member. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H05233113-A (JP)
Title: Option board for personal computer
Inventor: HASHIMOTO HIROSHI
IPC: G06F3/00
Filed: 1992-02-21
Abstract: PURPOSE:To load a microcomputer on the option board of a personal computer so as to enlarge a function and to read original digitized data. CONSTITUTION:The option board of the personal computer where the write system of a video memory differs from the read system of the video memory is provided with a circuit 20 which frequency-divides an A/D conversion clock outputted from the personal computer 2 at the time of A/D-converting an input video signal by one of two kinds of A/D conversion clocks outputted from the personal computer at digitizing time and storing it into the video memory and with the microcomputer 17a executing an existing mode operation and a new function operation by a serial command from the personal computer. The frequency of the A/D conversion clock is discriminated by a signal outputted from the frequency-dividing circuit 20, and the write system of the video memory is adjusted to the discrimination result.
Patent JP-S59198531-A (JP)
Title: Magnetic recording material
Inventor: MARUTA KEIICHI
IPC: C09D163/10
Filed: 1983-04-25
Abstract: PURPOSE:To satisfy not only a magnetic characteristic and productivity but all of water resistance, softness, and stability of a coating liquid as well in spite of a coating method using a water coating by incorporating additionally polyamide epichlorohydrin in a magnetic layer. CONSTITUTION:A magnetic recording material is constituted by providing a magnetic layer consisting essentially of fine ferromagnetic powder, a styrene/ butadiene copolymer and a water-soluble resin on a nonmagnetic base. The styrene/butadiene copolymer has preferably 3:7-7:3 styrene/butadiene ratio. The amt. of said copolymer to be used is adequately 3:1-1:1 magnetic material: styrene/butadiene copolymer ratio. The water-soluble resin is enumerated by PVA, methoxycellulose, polyacrylamide, geratin, etc. The amt. of said resin to be used is adequately about 5-20% by weight of the magnetic material. The amt. of the polyamide epichlorohydrin is adequately about 5-15% by the total solid weight of the magnetic layer.
Patent JP-S57189591-A (JP)
Title: Stationary scherbius device
Inventor: SHIMIZU TATSUO
IPC: H02P23/00
Filed: 1981-05-14
Abstract: PURPOSE:To suppress an overcurrent of a main circuit by negatively feeding back a detection output signal from a detector provided between power converter DC buses to a speed instructing circuit. CONSTITUTION:An operational amplifier AMP1 has inversely proportional input/ output characteristic. The fact that the output signal VDsig of a detector VD proportional to the secondary voltage of an induction motor becomes lower than the prescribed level, and a speed command Nref is negatively fed back to the previous stage of a speed amplifier NAMP. That is, the fact that the value of the voltage of a power converter becomes almost zero or slightly inverted in polarity is detected, thereby suppressing the overcurrent.
Patent JP-S547812-A (JP)
Title: Signal amplifyng unit
Inventor: NISHIMURA NORIKAZU
IPC: H04B1/10
Filed: 1977-06-21
Abstract: PURPOSE:To perform accurate and stable amplification, by holding the signal immediately before the noise application and by eliminating the effect of noise.
Patent JP-S61232372-A (JP)
Title: Air-fuel ratio controller for internal-combustion engine
Inventor: KATSUMATA YOSHIHISA
IPC: F02M7/12
Filed: 1985-04-05
Abstract: PURPOSE:To prevent an engine stall from occurring without fail, by making a controller perform such compensation as thickening an air-fuel ratio for a given period of time when clutch-off operation is carried out within the specified time since a throttle valve has been closed as well as when this throttle valve is closed within the specified time after the clutch-off operation. CONSTITUTION:There is provided with an exhaust sensor B which detects an air-fuel ratio from residual oxygen content in exhaust, and the air-fuel ratio detected by this sensor is compared with the specified air-fuel ratio by a comparing device E. And, on the basis of the comparing result, a compensation value by an air-fuel compensating solenois valve C is calculated by a compensation value operational device F whereby a carburetor D is feedback-controlled. At the above-mentioned, when output is generated out of a clutch-off state detecting device H or a neutral detecting device J within the specified time since a fact that a throttle valve comes to idle opening has been detected by an idle opening state detecting device G, a compensation signal is made to be generated for a given period of time from a rich compensating device K, making it so as to perform such compensation as thickening the air-fuel ratio.
Patent JP-H10264830-A (JP)
Title: Supporting structure for steering column
Inventor: KUROKAWA HIROYUKI
IPC: B62D1/16
Filed: 1997-03-26
Abstract: PROBLEM TO BE SOLVED: To improve the operability by sufficiently ensuring the supporting rigidity of a steering column to reduce vibration of a steering wheel, and improve the safety by absorbing impact acting on the steering column at the time of collision to prevent it from projecting into the room. SOLUTION: In a supporting structure of a steering column, both end parts of a deck cross 21 provided along the crosswise direction of a car body are fixed to pillars 15a, 15b, a support member 23 longitudinally extending to intersect the deck cross 21 is connected and fixed to the deck cross 21 to support a steering column 24, and the front end part of the support member 23 is fastened to a dashpanel reinforcement 20. A longitudinal section of the support member 23 is formed into a U shaped sectional contour to increase the rigidity in an up and down direction, and fold lines 23d, 23e are formed in order for the support member to be set to a contour in which the longitudinal rigidity is reduced.
Patent JP-H09265170-A (JP)
Title: Method for driving carrying roller for automatic developing device
Inventor: YAMAMOTO TAKERO
IPC: G03D3/08
Filed: 1996-03-27
Abstract: PROBLEM TO BE SOLVED: To efficiently remove water content sticking to insertion rollers due to dew condensation at a start-up processing. SOLUTION: When a power switch is turned on, processing solution is started to be heated, and a passing time is measured while detecting the temperature of the processing solution. When a set time is obtained after starting the start-up processing, a pair of insertion rollers 60 and 62 is rotary-driven only for a fixed time so as to disperse and evaporate the water content sticking to the pair of insertion rollers after evaporating and dewing from the processing solution. Besides, just before the processing solution reaches the set temperature, the pair of insertion rollers 60 and 62 is rotary-driven, and the water content newly sticking to the pair of insertion rollers is removed, thereafter, the start-up processing is completed.
Patent JP-S57188678-A (JP)
Title: Continuous vacuum deposition device
Inventor: FUJITA TAKAYUKI
IPC: C23C14/22
Filed: 1981-05-14
Abstract: PURPOSE:To reduce a vapor deposition time and electric power by disposing a preheating chamber, a vapor deposition chamber and a cooling chamber which are separated by gate values in vertical directions and making the transfer of substrates by gravity possible. CONSTITUTION:A gate valve 2 between a preheating chamber 2 and a vapor depositing chamber 8 is opened to allow the heated substrates in the chamber 5 to fall into a net gate 10 in the chamber 8. Upon completion of the vapor deposition of the substrates, a gate valve 3 between the chamber 5 and the chamber 13 is opened to allow the substrates completed of the vapor deposition to fall into a cooling chamber 13 where the substrates are cooled. The vapor deposition time and electric power are reduced by the above-mentioned device.
Patent JP-S63239961-A (JP)
Title: Inspecting apparatus
Inventor: MATAI SADAO
IPC: G01R31/02
Filed: 1987-03-27
Abstract: PURPOSE:To align the positions of a probe card and an IC card with a monitor being observed and to measure the IC highly reliably, by providing a camera, which displays the position relationship between a semiconductor device and the probe card, a video signal processing circuit, and the monitor, which outputs the monitored image based on an image signal. CONSTITUTION:The probes of a probe card are electrically connected to a wafer state semiconductor device. The electrical characteristics of the semiconductor device are measured with an IC tester in an inspecting apparatus. In this apparatus, the following parts are provided: a camera 12, which displays the position relationship between the semiconductor device and the probe card; a video-signal processing circuit 13, which processes the image picked up with the camera; and a monitor 14, which outputs the monitored image based on the image signal that is processed in the video- signal processing circuit 13. For example, the camera 12 is provided at the lower part of a test station 3. Motors 15a and 15b are driven and controlled by the commands from a control part 16. The camera 12 is moved to a position directly over the IC over the wafer and the probe card with feed screws 21a and 21b. Light is projected from a light source 17, and the position relationship between the IC and the probe card is displayed on the camera 12.
Patent JP-H09242668-A (JP)
Title: Compressor
Inventor: OGURA TOSHIYUKI
IPC: F04B27/14
Filed: 1996-03-04
Abstract: PROBLEM TO BE SOLVED: To provide a compressor which can effectively suppress pulsation and can reduce vibration and a noise to a large extent. SOLUTION: In a compressor having an intake chamber 23 to which fluid to be compressed is introduced from the outside, capacity varying means 33 which can vary the capacity of the intake chamber 23 according to fluctuation of internal pressure in the intake chamber 23, is arranged in the intake chamber 23.
Patent JP-H03274672-A (JP)
Title: Solid electrolyte type fuel cell
Inventor: ISHIHARA TAKESHI
IPC: H01M8/02
Filed: 1990-03-26
Abstract: PURPOSE:To prevent any current loss based on the ohm resistance of an air electrode and improve power generation efficiency by bringing a multiple point contact collector in contact with the whole surface of a fuel cell substantially. CONSTITUTION:Fuel gas flows along the outer circumference of a fuel electrode 6 during its action. In the meanwhile, oxidized gas is supplied to the inner tube space 3 of an oxidized gas supply tube 1c, the gas flows through the supply tube 1c to reach the end part of an SOFC element 30 it hits the bottom part of a bottomed cylindrical air electrode 1a to be reversed, and it then flows through an oxidized gas passage 4 partitioned by a formation rib 1b to be discharged from an aperture. While the oxidized gas flows through the passage 4, oxygen in the oxidized gas generates oxygen ions at an interface between the electrode 1a and a solid electrolyte 5 to move through the electrolyte 5 to an electrode 6, where it reacts with fuel and emits electrons to the electrode 6. Because an Ni felt 9 is in contact with the whole surface of the electrode 6 substantially, a current is collected vertically in relation to the electrode 6 as illustrated by an arrow A to go in the direction of an arrow C through the felt 9, thereby the current passing distance in the electrode 6 can be shortened.
Patent JP-H0578880-A (JP)
Title: Preparation of iron foil through electro- deposition
Inventor: JIISUBERUTOUSU KORUNERISU FUAN
IPC: C25D1/04
Filed: 1992-02-25
Abstract: PURPOSE: To provide a process for production by electrodeposition of iron foil without having the drawback that the already formed iron foil travels backward in a soln. as a result of the occurrence of the dissolution reaction of the iron at a cathode and that the output of the electrodeposition stage decreases.  
     CONSTITUTION: Iron is electrodeposited on the movable cathode 3 from an acidic electrolyte by the reaction: Fe 2+ +2e - →Fe (foil) (I) in an electrolytic cell having an insoluble anode 4 and the iron foil 1 produced in such a manner is taken out of the cathode 3, by which the iron foil is produced. The raw material iron 14 is melted into the electrolyte in a regenerating device 13. The hydrogen in the form of gaseous hydrogen or gas contg. the hydrogen is supplied in such a manner that the following anode reaction: H 2 →2H + +2e -  (II) occurs at the anode and that the reaction (II) is more dominant that the following reaction: 2Fe 2+ →2Fe 3+ +2e -  (VI) at the anode in order to avoid the decrease of the foil by Fe 3+  in the electrolyte. The dissolution of the iron in the regenerating device is induced at least partly according to the following reaction: Fe+2 H + →Fe 2+ +H 2  (III). 
     COPYRIGHT: (C)1993,JPO
Patent JP-S5783-A (JP)
Title: Starting device at pumping-up type electric power station
Inventor: YOKOTA HIROSHI
IPC: H02P1/52
Filed: 1980-05-28
Abstract: PURPOSE:To eliminate large current breakers and large-current disconnecting switches by jointly using breakers for thyristor start with breakers for synchronous start. CONSTITUTION:In starting the first starting device or the second starting device by using an inverter 16 and a converter 14, disconnecting switches 7, 8, 12, 19 and breakers 9, 13, 18 are turned on. In synchronously starting the second starting device by the first starting device, generated output by the first starting device is supplied to the second starting device by turning on the disconnecting switches 7, 19 and the breaker 18 of the first starting device and the disconnecting switch 31 of the second starting device. In this way, large-current breakers and large-current disconnecting switches will not be required and the breakers will jointly be used for thyristor start and synchronous start.
Patent JP-S57188800-A (JP)
Title: Structure of air intake for compressor
Inventor: TAKAMURA TOUSAKU
IPC: F04D29/44
Filed: 1981-05-18
Abstract: PURPOSE:To improve the capacity of a compressor by constructing the introducing passage of air into an impeller from an opening to be smoothly bent as a whole for removing the loss of pressure on the basis of a two-dimentional air stream. CONSTITUTION:The section of a C-C line is shaped to be almost oval, while the section of a D-D line near the entrance of an impeller 5 is shaped to be annular to meet with the shape and the size of the impeller 5. Consequently, in an air- intake structure 20, the introducing passage of air from an opening 1 to the impeller 5 can obtained approximately a smooth two-dimentional stream as arrows 25 and 26 show. This construction permits to reduce the loss of the pressure from the opening 1 to the entrance of the impeller 5 greatly, and improve the capacity of a compressor.
Patent JP-H09263926-A (JP)
Title: Hot dip zinc-magnesium-alum. alloy plated steel wire and plating method therefore
Inventor: ENDO HIDEKAZU
IPC: C23C2/38
Filed: 1996-03-28
Abstract: PROBLEM TO BE SOLVED: To enable the prolongation of the storage period of strands at the coast and to enable the construction of cables with soundness even if being a suspension bridge remarkably huger than the existing suspension bridge by imparting excellent corrosion resistance to a steel wire for a suspension bridge cable. SOLUTION: This hot dip Zn-Mg-Al alloy plated steel wire is the one in which the surface of a steel wire is applied with an Ni plating layer (by 0.2 to 2g/m<2> by the coating weight of Ni), and the surface is applied with a hot dip Zn-Mg-Al alloy plating layer contg. 0.1 to 1wt.% Al (by 100 to 400g/m<2> by the coating weight of plating). For applying the above hot dip Zn-Mg-Al alloy plating to the steel wire, the surface of the steel wire is applied with Ni plating by 0.2 to 2g/m<2> Ni coating weight by electroless treatment, and after that, the steel wire is dipped into a galvanizing bath contg. 0.05 to 3wt.% Mg and 0.1 to 1wt.% Al and heated at 380 to 500 deg.C bath temp. and is thereby adhered with the Zn-Mg-Al alloy plating by 100 to 400g/m<2> .
Patent JP-H07326573-A (JP)
Title: Pattern forming method and projection aligner
Inventor: TERASAWA TSUNEO
IPC: G03F7/20
Filed: 1995-03-30
Abstract: PURPOSE:To transfer a fine pattern exceeding a conventional resolution boundary by a method wherein a position of a Fourier variable pattern is shifted in a direction vertical to an optical axis by a specific amount to modulate space frequency and further lights having a specific frequency are emitted to an interference fringe to demodulate in a sensitive film. CONSTITUTION:A reticle 3 is placed on a stage 6 controlled by reticle position controlling means 19 and a center of the reticle 3 and an optical axis of a projection lens 7 are precisely positioned so that they can conform to each other. A wafer 8 is placed on a Z stage 13 movable in an optical axis direction of the projection lens 7 or in a Z direction and on a XY stage 14 movable in a XY direction. As the Z stage 13 and XY stage 14 are driven by respective driving means 16, 17 corresponding to control commands from a main control system 18, they can move to a desired exposure position for a base 15 of a projection aligner.
Patent JP-H08273219-A (JP)
Title: Apparatus for producing optical disk
Inventor: NAITO HIROSHI
IPC: G11B7/26
Filed: 1995-03-30
Abstract: PURPOSE: To produce a metallic master disk which is excellent in yield and reliability by realizing the reduction of a treatment cost and the improvement in installation environment, equipment area and cycle time in a process for producing the master disk. CONSTITUTION: A polishing and washing mechanism is composed by providing this mechanism with an original plate installing means 31 and disposing a polishing means 32 as well as first washing means 33 and second washing means 34 around (near) the original plate installing means 31. A polishing treatment and a washing treatment are executed in one process.
Patent JP-S58190516-A (JP)
Title: Supercharger for internal-combustion engine
Inventor: SUENAGA KOUICHI
IPC: F02B37/013
Filed: 1982-04-30
Abstract: PURPOSE:To avoid the excessive supercharge in the high speed region while improving the middle and low speed torque and acceleration response, by connecting two exhaust turbo superchargers having high efficiency in the middle and low speed region in series and combining them properly. CONSTITUTION:A compressor 2a for a low pressure stage turbo supercharger 2 is provided in the air supply path of an engine 1 while a compressor 3a for a high pressure stage exhaust turbo supercharger 3 is placed between the engine 1 and the compressor 2a. A turbine 3b for said supercharger 3 is placed between the exhaust manifold of the engine 1 and the turbine 2b of said supercharger 2. Then the upstream and downstream of each turbine 2b, 3b are conducted through the exhaust bypaths 4, 5 while valves 6, 7 are provided at the upstream of each bypaths 4, 5 and each turbine outlet is conducted through an exhaust leak path 9 having a valve 8. Consequently when properly selecting the opening/ closing of each valve 6, 7, the optimal supply air pressure can be obtained through the combination of each supercharger 2, 3.
Patent JP-S60217703-A (JP)
Title: Circulary polarized wave antenna
Inventor: YAMAWAKI SEIICHI
IPC: H01Q21/08
Filed: 1984-04-13
Abstract: PURPOSE:To obtain a circularly polarized wave antenna changing easily the rotating direction of a polarized wave by arranging four radiating elements in a cross form and feeding power to the elements placed orthogonally with a phase difference of 90 deg. with the variable degree of coupling. CONSTITUTION:The 1/4 wavelength radiating elements 101-104 are arranged in a cross form on the upper face of the dielectric board 200 and the radiating elements 101, 102 orthogonal mutually are fed by a microstrip line 400. The coupling of the feeding points C, D is varied by adjusting a screw 600 as shown in sectional view and the interval of the coupling points is selected to 1/4 wavelength. The polarized wave is rotated right or left depending on the feeding from the point E or the point F by using the said screw 600 to adjust the degree of coupling.
Patent JP-S573559-A (JP)
Title: Generating, detecting, and fine adjusting device for tension of flat angular wires
Inventor: TAKESHITA HIDETOSHI
IPC: B65H59/24
Filed: 1980-06-04
Abstract: PURPOSE:To permit the automatic manufacture of a multi-wound and core-wound coil by suitable tension by inserting and holding flat-angular wires between a fixed brake shoe and a movable brake shoe wherein the tension of the wires is finely adjusted while detecting welding pressure at a movable side. CONSTITUTION:A fixed brake shoe 14 is mounted under a fixed plate 12 and a movable brake shoe 15 is also provided on a movable plate 13 movably provided in the direction of the fixed plate 12 by the rotation of a screw shaft 21. And a plurality of flat-angular wires 1 are pressed and held between both brake shoes 14 and 15. And the welding pressure by the movable brake shoe 15 is detected by a load cell 19 to convert the flat-angular wires 1 into the tension at winding and the tension is indicated by a tension meter 20 for flat-angular wires. Furthermore, an external input signal is given to a driving motor by the value indicated on the tension meter 20 and multi-winding is permitted by suitable tension by finely adjusting the welding pressure of the movable brake shoe 15.
Patent JP-H09266695-A (JP)
Title: Frequency converter
Inventor: KURIYAMA SHIGEZO
IPC: H02P27/08
Filed: 1996-03-28
Abstract: PROBLEM TO BE SOLVED: To detect a power supply abnormality and protect a converter and keep a motor rotating as effectively as possible, by a method wherein, when an instantaneous power supply interruption occurs, the state of a current suppression circuit and the operation state of the converter are decided in accordance with the voltage of a capacitor. SOLUTION: When an instantaneous power supply interruption occurs, the interruption of an input power supply is detected by a detector 19 and the conversion operation of a converter 5 is discontinued. If the voltage of a capacitor 14 exceeds a specified value, the operation of a PWM inverter 2 is continued and a relay 32 also keeps a short-circuit state. On the other hand, if the voltage of the capacitor 15 drops below a specified value, the relay 32 is opened and the output of the inverter 2 is discontinued. After the restoration from the instantaneous interruption, if the operation of the inverter 2 is continued, the conversion operation of the converter 5 is restarted but, if the inverter 2 is stopped from operation, after it is detected that the voltage of the capacitor 15 exceeds a specified value, the relay 32 is short-circuited and the output of the inverter is restarted.
Patent JP-S53942-A (JP)
Title: Double loop system back-up method
Inventor: NAKANO TSUYOSHI
IPC: G06F15/173
Filed: 1976-06-25
Abstract: PURPOSE: To constitute a highly reliable data transmission by interposing a command to a part of a data frame thereby enabling an efficient line disconnection and a control for the assembling condition and system constitution. 
     COPYRIGHT: (C)1978,JPO&Japio