baber/WOPTO huggingface dataset:
Patent JP-S63186587-A (JP)
Title: Driver for brushless motor
Inventor: YASOHARA MASAHIRO
IPC: H02P6/08
Filed: 1987-01-26
Abstract: PURPOSE:To operate a driver for a brushless motor even when a position detector output is a very small level by composing a position detection signal processor in combination of a plurality of differential transformers and a constant current source. CONSTITUTION:After the outputs of position detectors 31-33 for detecting the positions of movable elements are levelconverted by a level converter 40, they are supplied to a signal processor 50 having differential transistor pairs 57-62, 67-72 and constant-current sources 51-56, 73-75. A forward reverse changer 80 supplies the absorbed current components of the outputs I1-I3 of the processor 50 when a changeover switch 106 is connected to a terminal F, and supplies the discharged current components of the outputs I1-I3 when it is connected to a terminal R to the bases of drive transistors 154-156. Thus, a position detector output is a very small level, it can supply an accurate energization command signal.
Patent JP-H01191129-A (JP)
Title: Image forming device
Inventor: ENDO MAKOTO
IPC: G03G15/043
Filed: 1988-01-26
Abstract: PURPOSE:To optimize copying density by entering a photodetector removably provided on an optical path near a lit to said path at the time of photometry and retreating the photodetector outside the optical path at the time of exposure. CONSTITUTION:The image forming device slit-exposing an optical image on an image carrier 12 and forming an image is provided with a light quantity detecting means 16 which retreats the photodetector from the optical path near the image carrier 12 at the time of slit-exposure, whereas on any occasions other that slit-exposure, positions the photodetector on the optical path, and which adjusts image density based on detected light quantity. Namely, in the midst of photometry, the photodetector removably provided on the optical path near the slit is entered the optical path, while it is retreated outside the optical path in the midst of exposing. Thus, exposure quantity and a developing bias can be controlled based on the detected value which is obtained in the midst of photometry, so that image density can be optimized. Consequently, the image density can be controlled precisely, and a low-priced, miniaturized image forming device can be obtained.
Patent JP-H06226671-A (JP)
Title: Robot hand control device
Inventor: TORII HAJIME
IPC: B25J13/08
Filed: 1993-02-02
Abstract: PURPOSE:To provide a robot hand control device facilitating fine force control and control of making pressing force constant as well as avoiding a collision. CONSTITUTION:A robot hand control device has force sensors 5 for detecting the force applied to the X-Y-Z axes of a robot hand respectively, a first to a third actuators 4 for driving the robot hand 1 in the respective axial directions, a first to a third elastic supporting means 6 for supporting the robot hand l elastically in the respective axial directions, displacement sensors for detecting the displacement quantity of the first to third elastic supporting means 6 in the respective axial directions, and a control means for driving the first to third actuators 4 by the signals of the displacement sensors and force sensors 5.
Patent JP-2000211026-A (JP)
Title: Pipe lining method
Inventor: KAMIYAMA TAKAO
IPC: F16L55/16
Filed: 1999-01-25
Abstract: PROBLEM TO BE SOLVED: To provide a pipe lining method in which heat energy is used effectively irrespective of the form of a pipe line to heat and cure a pipe lining material uniformly. SOLUTION: In a pipe lining method in which after a pipe lining material 11 prepared by a tubular resin adsorbing material impregnated with an uncured thermosetting resin is inserted into a pipe line 1, the lining material 11 is expanded by the pressure of fluid supplied into a closed space S including the inside of the material 11, and pressed to the inner wall of the pipe line 1, and heated by a heating medium so that the thermosetting resin contained in the material 11 is cured, a circulating passage is formed, including the space S, a heating part (a hot water tank 16, a heat exchange pipe 17, a hot water pump 19, a boiler 20, and others), and a blowing part (a fan 26), hot air is used as the heating medium and circulated in the circulating passage, a circulating flow of the hot air is formed in the lining material 11, and the material 11 is heated by the circulating hot air.
Patent JP-S53102208-A (JP)
Title: Preparation of sintered material
Inventor: NAKAGAWA YUUSAKU
IPC: B22F3/10
Filed: 1977-02-18
Abstract: PURPOSE: To obtain the sintered material having high strength and high toughness in which graphite is finely dispersed, by sintering the amorphous powder of cast iron containing the limited amount of carbon. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S63184734-A (JP)
Title: Color correcting device
Inventor: OKINO YOSHIHARU
IPC: G03B27/73
Filed: 1987-01-28
Abstract: PURPOSE:To easily execute color correction by measuring the hue of a recording object, displaying a correcting value for compensating a difference between the measured hue and a reference hue and inputting a correcting value on the basis of the displayed correcting value to control the action of a color correcting means. CONSTITUTION:In a measuring circuit 308, a photoelectric converter 404 converts light into an analog signal and a digitizing circuit 405 digitizes the analog signal into a digital signal. The measured result is sent to a control part in an image recorder through a cable or the like. The measured result quantized to 8 bits, e.g., by an A/D converter 409 is compared with the reference hue based upon the coloring characteristics of a photosensitive material by a microprocessor 414, operation for compensating the difference between the measured result and the reference hue and a color correcting value is displayed on a display part 415. When a worker inputs a correction value from an input part 416 on the basis of the correction value displayed on a display part 415, the microprocessor 414 controls the operation of filters 417, 418 and an iris device 419 in accordance with the inputted correction signal. Thus, proper color correction can be easily executed.
Patent JP-S63186583-A (JP)
Title: Cycloconverter for controlling motor vector
Inventor: ENDO KAZUYA
IPC: H02M5/27
Filed: 1987-01-28
Abstract: PURPOSE:To alleviate the mounting adjustment of a pole position detector in a motor by obtaining and storing the detected deviation of the mechanical position of the detector by the output signal of the detector, and electrically correcting the deviation to obtain pole position information coincident to the actual pole position. CONSTITUTION:Correction data for matching the detection signal of a pole position detector to an actual pole position operates a microcomputer 9 to supply a field current if when the central axis of the phase-a winding of the stator of a synchronous motor 6' is used as a basis axis, and operates a microcomputer 2A to supply a DC current only to the phase-a winding. Then, a rotor is moved by the magnetic force of the magnetic fluxes due to the current if and the phase winding current, and the output signal of a pole position detector 7 of the stopping state represents the detection deviation of the detector 7 for the actual pole position in the motor. This value is read out by a microcomputer 2A, and used for the calculation of correcting the detected deviation.
Patent JP-H05208790-A (JP)
Title: Safety device for passenger conveyor
Inventor: OTA HIROFUMI
IPC: B66B31/00
Filed: 1992-01-31
Abstract: PURPOSE:To improve safety by reliably preventing any accident of entrance of the hand of a passenger into the entrance part of a handrail. CONSTITUTION:A slip-in preventing tool 13 extending from the inside of a displacement body 7 to the outside of the displacement body 7 through an opening part 7a and having a tip part approaching the surface of a handrail 11 in a manner to cover the surface thereof is provided. A gap between the displacement body 7 and the handrail 11 is closed and a hand is pulled away from the handrail 11 before the hand collides with the displacement body 7.
Patent JP-S56112358-A (JP)
Title: Brake booster for automobile
Inventor: FUJII TAKASHI
IPC: B60T13/52
Filed: 1980-02-12
Abstract: PURPOSE: To make the working reaction force of the master cylinder possible to be transmitted to the vechile body without intermediary of the housing by fixing the master cylinder through the cylinder in the booster housing onto the vehicle body.  
     CONSTITUTION: At the time of braking, the working reaction force of the brake master cylinder 5 is transmitted by its cylinder body 6 through the cylinder and a fixing bolt 10 to the vehicle body, the housing 2 of the brake booster 1 is not made into the transmitting path of the working reaction force. Thus, since the housing 2 suffices with providing rigidity as much as not to be deformed by negative pressure to be acted on chambers 17, 18, thickness of the housing 2 can be reduced. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H04257626-A (JP)
Title: Layout method of floor heater
Inventor: ASAMI NAOHITO
IPC: F24D13/02
Filed: 1991-02-07
Abstract: PURPOSE:To obtain a floor heater having excellent heat transfer properties which can withstand repeated heating and colding for a long time, inhibit the generation of differential temperature between a floor surface and the top face of a joist, even when it is installed by way of a beam (floor joist) which supports the floor surface, and moreover which can be installed even if there is a difference in level between the floor surface and a floor heater. CONSTITUTION:A lower part heat equalizing board 3 made of aluminum and copper or the like, is laminated on the top of an insulation material, such as felt where a tubing heater 4 or an electric heating medium is laid out thereon. Furthermore, an upper part heat equalizing board 6, which is provided flexible and thermal conducting properties, and a surface member 5, are alternately laminated. The upper part heat equalizing heating board 6 on one side edge is adapted to extend in one piece so that a plurality of holes or meshes of a net through which a bonding agent is penetrated, may be formed on the extended portion 8 in the longitudinal direction. The floor heater is nailed or adhered to the floor 11 and the surface material 5 and connected with its adjacent floor heater, allowing the extended portion 8 on the edge to rest on the joist.
Patent JP-S57129951-A (JP)
Title: Mechanism of power saving transmission circuit
Inventor: MIYAZAWA KATSUYUKI
IPC: F16H61/00
Filed: 1981-02-06
Abstract: PURPOSE:To hold transmission of power in an ideal state of output torque further accumulate energy of a vehicle generated at its stopping motion or downhill travelling motion with engine brake operation or the like. CONSTITUTION:A main stepless automatic speed change mechanism 110, with  energy of gasoline or the like, is combined with a subautomatic stepless speed  change mechanism 1,100 with a source of electrical energy. In a state of applying a brake, revolution of a main output shaft 214 becomes zero, but energy is  continuously released from a prime mover shaft 215, though the output shaft  214 is stopped, prime moving energy is continuously converted into power  generation energy in a reasonable state.
Patent JP-S53102005-A (JP)
Title: Recorder/reproducer for cassette-type magnetic sheet
Inventor: KASUYA HIROHARU
IPC: G11B17/035
Filed: 1977-02-17
Abstract: PURPOSE: To simplify the loading operation of the cassette, by providing the bottom plate and the upper plate which waves coupling to the cover plate at the casette loading/unloading aperture part and then loading the casette between these two plates. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S58134595-A (JP)
Title: Signal generator for time axis error of reproducing signal
Inventor: KATSUYAMA HITOSHI
IPC: G11B20/02
Filed: 1982-02-04
Abstract: PURPOSE:To operate a time axis servo loop stably and effectively, by summing a burst signal having an error neously phased signal and a low frequency component to form a time axis error signal for a reproduction signal. CONSTITUTION:A phase comparator 11, a voltage controlled oslcillator VCO12, and an LPF13 form a phase locked loop PLL circuit and the VCO 12 is controlled with the integrated vlaue of the output of the comparator 11 being a variation error of a reproduced color burst signal with the LPF13. Only the high frequency component of the output of the comparator 11 is introduced at an HPF14 to be inputted to an adder 15. The output of the VCO12 is frequency- divided at a frequency-divider 16 to be a reference signal of a phase comparator 17 and the variation in the reproduced horizontal synchronizing signal is detected at the comparator 17. This variation component is inputted to an LPF18, the low frequency component only is introduced to be the other input of the adder 15. This summing output is a drive signal of a time axis correcting device 20 via an equalizer 19.
Patent JP-S56114504-A (JP)
Title: Method and apparatus for continuously manufacturing heat treated tapered wire rod
Inventor: KAWASAKI KAZUHIRO
IPC: B21H7/00
Filed: 1980-02-15
Abstract: PURPOSE:To high efficiently, continuously manufacture a tapered wire rod with excellent strength and buckling-resistivity, by passing a round steel wire rod, heated to hardening temperatures by the electric induction heating, through the gap of cross rolls possible to repeatedly changed its rolling force, and then, by applying a heat treatment to this rod. CONSTITUTION:The round steel wire rod 1, held in the payoff stand 2, is uncoiled by pinch rolls 3a, 3b and is straightened by the rod straightening roll 4. The rod 1 is next sent into the induction heating coil 5 by the tension of the pinch roll 10, is heated to hardening temperatures, and is passed through the cross roll 6 while holding its temperature. The rod 1, in the cross roll 6, receives the rolling force from a couple of rolls depending on the centrifugal force caused by the change of revolving speed of the rotary ring, and is plastically worked and formed into a rod provided with diameters changed repeatedly from large to small and from small to large. Then, the rod 1 is quenched by the quencher 7 and is hardened over all its section; thereafter, the rod 1 is passed through the induction heating coil 8 for tempering and next the cooler 9; finally, the rod is coiled by the stand 11.
Patent JP-H05218256-A (JP)
Title: Lead frame
Inventor: FUJIKAWA YOSHIHIRO
IPC: H01L23/50
Filed: 1992-01-31
Abstract: PURPOSE:To exclude stress concentration, and enable stable form working, by forming inner leads so as to gradually face toward the peripheral direction of a die pad from the region in contact with a tie bar. CONSTITUTION:A lead frame is so arranged that the tip reaches a die pad 11 and its periphery, and stretches as far as the positions of tie bars 13 while being bent gradually and smoothly. The lead frame is connected with each outer lead 14 via the tie bar 13. The outer leads are formed so as to stretch outward in parallel with each other. Since inner leads of the lead frame are formed to be smoothly bent, stress due to punching is dispersed, so that position deviation and twist are not caused and a shape of high reliability can be obtained.
Patent JP-H07225057-A (JP)
Title: Hot water supplying valve device and hot water filling safety device using the same
Inventor: OKADA SADAO
IPC: F24H1/00
Filed: 1994-02-10
Abstract: PURPOSE:To eliminate inclusion of leakage in a measured value of a flowmeter and to bring it into coincidence with a real flow rate value by inserting the flowmeter to a downstream side of a suction port of a hot water filling circuit in a hot water supplying valve device inserted to an upstream end of the circuit connected to a heat exchanger. CONSTITUTION:A hot water supplying valve device is inserted to an upstream end of a hot water filling circuit 1 connected to a heat exchanger H. The device comprises a control valve 12 for switching a circuit to the circuit 1 to control start and stop of a hot water filling operation, a plurality of check valves 1a, 1b, a flowmeter 13, a vacant chamber 2 communicating with the atmosphere, a relief valve 1c and a discharge valve 23 as one unit. In this case, the flowmeter 13 is inserted to a downstream side of a suction port 11 of the circuit 1. Thus, inclusions of a leakage due to an operating delay of the valve 1c and leakage due to its trouble in the measured value of the flowmeter 13 are eliminated. Accordingly, the measured value of the flowmeter 13 can be brought into coincidence with a real flow rate value in the device.
Patent JP-S59143741-A (JP)
Title: Brake control valve device for start car on upward slope
Inventor: SUZUKI SHIYOUJI
IPC: B60W10/188
Filed: 1983-02-02
Abstract: PURPOSE:To provide an easy adjustment work highly precisely when a valve unit is actually attached to the car by fixing a support member on a position corresponding to an opening position of the valve unit and providing a link mechanism to connect a clutch lever to the valve unit based on the said support member. CONSTITUTION:A main body 14 of a brake control valve unit 1 is fixed with a support member 53. The position of a fixing pat 58 of the said support member 53 is decided to correspond to the position of an operation member 34 when a valve unit 22 is opened. Based on the position of this fixing member 58 of this support member 53, a wire device 60 is arranged to connect a clutch lever 71 to the operation member.
Patent JP-S55110158-A (JP)
Title: Mixed dye composition and method of dyeing therewith
Inventor: MORI YOSHIO
IPC: C09B67/22
Filed: 1979-02-15
Abstract: PURPOSE: A mixed dye composition for dyeing polyester fibers that is made by mixing a plurality of specific monoazo dyes, thus showing excellent dispersion stability at elevated temperatures.  
     CONSTITUTION: The objective mixed dye composition consists of (A) 97W40, preferably 95W70wt% of at least one dye of formula I (X is H, lower alkyl, lower alkoxy, halogen) and (B) 3W60, preferably 5W30wt% of at least one dye of formul II [Q is H, lower alkyl, lower alkoxy, halogen; Y is cyano, H, chlorine; R 1 , R 2  are alkyls or substituted alkyls, where when the one of R 1  and R 2  is cyanoethyl, the other can not be formula III]. The dye of formula I is obtained by diazotization of the diazo component of formula IV in sulfuric acid followed by coupling with the component of formula V. The dye of formula II in sulfuric acid followed by coupling with the component of formula V. The dye of formula II also is obtained by diazotization of the diazo component of formula VI and then coupling with the component of formula VII. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-2000216198-A (JP)
Title: Semiconductor device and its manufacture
Inventor: YAMAMOTO KENICHI
IPC: H01L21/60
Filed: 1999-01-26
Abstract: PROBLEM TO BE SOLVED: To enable a semiconductor device to have high reliability by mounting a semiconductor element on a circuit board, with high mounting quality without occurrence of defects such as cracks, etc. SOLUTION: The electrode part 17 of a circuit board 13 is provided with bump electrodes 18. A semiconductor element 10 and a circuit board 13 are laid on top of the other in such positioning condition that the several bump electrode 12 and 18 are brought into contact with each other, and this superposition state is kept, and vibration is given to the semiconductor element 10 while pressurizing it against the circuit board 13, whereby the contact parts of both bump electrodes 12 and 18 are joined with each other by the mutual diffusion of the metal by temperature rise. Here, it is to be desired that the bump electrode 12 of the semiconductor element 10 should be made of material higher in hardness than the bump electrode 18 of the circuit board 13.
Patent JP-H09190120-A (JP)
Title: Service life detection device for image carrier and image forming device
Inventor: AOKI AKIO
IPC: G03G21/00
Filed: 1996-01-08
Abstract: PROBLEM TO BE SOLVED: To precisely detect the service life of an image carrier and to report the proper exchange time thereof to a user by comparing the output of a surface potential detection means with a previously decided prescribed voltage. SOLUTION: The output of a high-voltage circuit 17 is inputted to one input of a comparator 3 arranged on the inside of the surface potential sensor 2 being as the surface potential detection means and the saturation reference voltage corresponding to the service life point of a photoreceptor drum 1 is inputted to the other input. In the initial state of the drum 1, the output of the comparator 3 is negative. However, since the output of the comparator 3 is changed to be positive because a high output, that means, saturation potential Vm being the surface potential of the drum 1 becomes lower than the saturation reference voltage when the drum 1 arrives at the service life point, which means a warning on the service life of the drum 1. Thus, since the drum 1 whose service life is expired is not used, working performance is stabilized.
Patent JP-S62174308-A (JP)
Title: Feeding and charging device for pig iron making raw material
Inventor: MAEDA TAKAO
IPC: C21B13/14
Filed: 1986-01-27
Abstract: PURPOSE:To stably feed reduced iron together with dust and to permit the control of the mixing ratio of the reduced iron and coke by dispersing and charging the reduced iron contg. dust fed from a reduction furnace and the separately fed coke by a bell-like dispersing device in the stage of throwing the reduced iron and coke into a gasifying furnace. CONSTITUTION:The reducing gas generated in the gasifying furnace 1 is introduced through a take out port 3 into the reduction furnace 6 to reduce iron ore to the reduced iron. The reduced iron is fed together with the dust intruding into the reduction furnace 6 by rotary feeders 14A, 14B respectively provided to plural feeding ports 12A, 12B and is fed via throwing pipes 13A, 13B into charging ports 2A, 2B. On the other hand, the coke is fed by a feeding device 16 and is fed through a supply pipe 17 to a charging port 2D at the center of the upper wall of the gasifying furnace 1. The dust contg. reduced iron and coke fed to the upper wall of the furnace are uniformly dispersed by the bell-like distributing device 18 into the gasifying furnace 1. The reduced iron is thereby stably fed together with the dust and is evenly charged into the gasifying furnace 1; in addition, the mixing ratio of the reduced iron and the coke is controlled.
Patent JP-S55109099-A (JP)
Title: Wireless microphone
Inventor: MIYANAGA KATSUHIKO
IPC: H04R1/04
Filed: 1979-02-15
Abstract: PURPOSE:To reduce the amount of power consumption when the wireless microphone is used as the wired microphone, by securing such constitution in that the voltage of the battery may be applied to the modulator via the contacts which part from each other when the plug is inserted into the jack. CONSTITUTION:Contacts (b) and (c) touch each other when the plug is not inserted into jack 6. And now switches S1 and S2 are turned on, and thus the voltage of battery 3 is applied to mike unit 1 via switch S2 and to modulator 2 via switch S2, coil L2, contacts (c) and (b) plus coil L1 each. In this case, accordingly the microphone can be used as the wireless microphone. While in case the plug is inserted into jack 6, contacts (c) and (b) part from each other. Thus the power line is cut off to modulator 2. And the aural signal sent from unit 1 is transmitted to contact (a) of jack 6 via capacitor C1 and switch S1, thus securing the application as the wired microphone. And in this case, modulator 2 is put under the perfect nonactive state, thus saving the power to be consumed for the modulator.