baber/WOPTO huggingface dataset:
Patent JP-H05316794-A (JP)
Title: Driver and driving method for step motor
Inventor: ASANO SHINYA
IPC: H02K37/00
Filed: 1992-05-06
Abstract: PURPOSE:To prolong service life of step motor and to realize highly stabilized motor drive. CONSTITUTION:The step motor drive comprises a PWM generating section 2 for varying the duty ratio at a predetermined period in order to determine rising and falling times of phase current to be applied on each phase of a step motor SM, and switching circuits Tr1, Tr2, Tr6, Tr7 for generating phase currents, corresponding to a predetermined voltage reference outputted from a voltage reference generating section 1, in response to pulse signals outputted from a PWM generating section 2 during production of exciting signal for each phase of the step motor SM.
Patent JP-H07292245-A (JP)
Title: Polyamideimide resin composition
Inventor: INUKAI TADASHI
IPC: C08G73/14
Filed: 1994-04-27
Abstract: PURPOSE:To obtain a polyamideimide resin composition excellent in heat resistance, chemical resistance and wear resistance. CONSTITUTION:This composition is a polyamideimide resin composition prepared by dispersing a carbon powder in a solution of a polyamideimide resin having an inherent viscosity of 0.2-2.0dl/g and an acid value of 50-400 equivalents/10<6>g.
Patent JP-S5816438-A (JP)
Title: Manufacture of ring-shaped fluorescent lamp
Inventor: SASAKI KAZUO
IPC: H01J9/28
Filed: 1981-07-22
Abstract: PURPOSE:To prevent generation of a positional gap between a lamp base pin and a lead wire for improving reliability by cutting an outer lead wire somewhat longer than a lamp base pin and by bending the point of said lead wire at the point of the lamp base pin followed by being welded. CONSTITUTION:When an outer lead wire 5 is inserted into a lamp base pin 4 to weld the point of the lamp base, the outer lead wire 5 is cut somewhat longer than the size of the lamp base pin 4. The point 8 of said somewhat longer lead wire 5 is bent at the point of the lamp base pin 4 to form a bending part 9. Thereafter said bending part 9 and lamp base pin 4 are welded. Thereby generation of a positional gap between the lamp base pin and the outer lead wire can be prevented thus to sharply improve reliability.
Patent JP-S616461-A (JP)
Title: Elastic ring packing utilizing swelling pressure
Inventor: TATEBAYASHI JIROU
IPC: F16J15/10
Filed: 1984-06-03
Abstract: PURPOSE:To improve the durability of an elastic ring packing by installing a ring member made of swelling polymer into the cavity inside the elastic ring packing body and forming a cut opened port communicating to the inside, onto the packing body. CONSTITUTION:A vacant part 2 is formed inside an elastic ring packing body 1, and a cut opened port 3 communicating to the inside is formed. A ring 4 made of swelling polymer is arranged in the vacant part. When the elasticity of the elastic ring packing body is deteriorated, the cut opened port opens a little, and liquid tends to intrude, but the ring 4 in the vacant part swells, and sealing performance is maintained.
Patent JP-H049190-A (JP)
Title: Fully automatic washing machine
Inventor: TAKEUCHI HARUMI
IPC: D06F33/02
Filed: 1990-04-27
Abstract: PURPOSE:To accurately measure the weight of laundry so as not to damage the laundry and controlling the washing process of a fully-automated washing machine in corresponding to the measured weight by making a controlling means to intermittently rotate the dehydrating tank of the machine for a prescribed period of time only before water feeding is started and control the washing process on the basis of the calculated results of an arithmetic means after the intermittent rotation is stopped. CONSTITUTION:When this fully-automated washing machine is energized for washing operation by turning on its switch, dehydration is executed for 0.2 second only before water feeding is started. Then the data of a sensor 7a are read 2 seconds after stopping the dehydration. The data reading is repeated 10 times and a microcomputer MC finds the mean value A of the 10 pieces of data. The mean value A is compared with no-load time data B and the difference between the value A and data B is found. Then the weight of thrown-in laundry is discriminated and the water feeding is started for the washing processing after the water level, water flow, washing time, rinsing time, and dehydrating time are set in accordance with the discriminated weight.
Patent JP-H0410388-A (JP)
Title: High-frequency heating device
Inventor: NOBUE TOMOTAKA
IPC: A47J27/10
Filed: 1990-04-26
Abstract: PURPOSE:To enable the stringent control of water temperature by controlling output from a microwave generation means on the basis of signals from the first detection means for detecting a water amount and the second detection means for detecting water temperature. CONSTITUTION:A water vessel 13 is placed in a heating chamber 12 receiving power on microwave from a magnetron 11, and a water amount detection means 3 and a water temperature detection means 4 are provided in the water vessel 13. Signals from the aforesaid detection means 3 and 4 are inputted to a control section 16. This control section 16 controls output from the magnetron 11 as a microwave generation means for the detection means 3 and 4. Consequently, remaining heat at the time of stopping the microwave power feed is almost eliminated, and temperature control for water in the vessel 13 can be performed highly precisely. According to the aforesaid construction, it is possible to obtain a heating device of high utility for a new diet.
Patent JP-H01286756-A (JP)
Title: Magnet motor
Inventor: KONDO NORIMASA
IPC: H02K1/17
Filed: 1988-05-11
Abstract: PURPOSE:To prevent a magnet from damaging by holding the magnet in a space formed of a holder, a pole piece and a yoke. CONSTITUTION:In a magnet motor, a pole piece 2 formed in a shape along the inner face shape of a circular arc-shaped magnet 1 is adhesively secured to the bore of the magnet 1. The piece 2 is held by a cylindrical magnet holder 3 having an opening, and the outer periphery of the magnet 1 adheres to a yoke 4. A core 5, a coil 6 and a commutator 7 are secured to a shaft 8, supported by bearings 9, and contained in a space surrounded by the yoke 4 and a flange 10. The magnet 1 is positioned and held in the opening 3a of the holder 3 through the piece 2, and the holder 3 is adhesively secured to the yoke 4. Thus, since the magnet 1 is held in the space, a damage due to an external force or the like can be prevented, a contact with the air is eliminated, and a rust can be prevented.
Patent JP-S63278347-A (JP)
Title: Semiconductor device and manufacture thereof
Inventor: MIYAGAWA HIROYUKI
IPC: H01L29/73
Filed: 1987-05-11
Abstract: PURPOSE:To obtain a semiconductor device having low resistance and small bonding capacity by forming a first epitaxial layer having high impurity concentration on the metal silicide of a buried layer, and then forming a second epitaxial layer having low impurity concentration on the first layer. CONSTITUTION:After a mixture layer 18 of nickel and silicon is formed, it is heat treated at approx. 700 deg.C, a nickel layer 17a formed on a silicon substrate 15 exposed by patterning a thermal oxide film 16 is silicified to form a nickel silicide layer 19. A first N-type epitaxial layer 20 is formed, for example, in thickness of approx. 1000Angstrom  on the whole surface of the substrate 15. After the low resistive contact of the layers 19, 20 is obtained by an N<+> type impurity region 22, a second N-type epitaxial layer 23 is deposited in a desired thickness on the layer 20. Thus, a semiconductor device having a buried layer of low resistance and a small bonding capacity is obtained.
Patent JP-S5737338-A (JP)
Title: Image synthesizer
Inventor: YASUDA MITSUO
IPC: G03B15/12
Filed: 1980-08-18
Abstract: PURPOSE:To synthesize prescribed images easily and surely by providing a camera which makes images to be projected, to a synthesizer which forms a single image on a screen by projecting plural images of films, photographs, etc. CONSTITUTION:An image synthesizer which has a means of projecting an image of a hair style or the like and a means of projecting the image of the face of a person to be tested who selects hari styles and synthesizes these images and displays them as a single image on a screen 5 is disposed with a camera 305 provided with a half mirror 300 at the front to its front panel 4. The half mirror 300 is formed openably, and a strobe 301 is disposed. Further, the photograph of the camera 305 is guided from a discharge port 306 to the outside by guide ribs 328, 329. Therefore, the prescribed images are synthesized surely, and the image made by the camera is guided easily to prescribed directions.
Patent JP-S5541049-A (JP)
Title: Remote control method of automatic answering telephone set
Inventor: HASHIMOTO KAZUO
IPC: H04M1/65
Filed: 1978-09-18
Abstract: PURPOSE:To reduce the cost and to enable to very accurate control, by performing the continuity of reproduction at remote control of reception tape through the use of the time for one section of response tape. CONSTITUTION:The response tape T-1 and reception tape T-2 of the automatic answering telepone set are driven with the same motor M, and if T-2 is under remote control resproduction, the contact electrode CP-1 is shortened with the conductor foil P-1 at the end of one round of T-1, to activate the relay Y-2. The contact Y2-1 interrupts the power application of M to stop the tape running, and the contact Y2-2 delivers the request signal to the caller via the telephone lines L1 and L2. The reproducton is continued when the user feeds the continuity by about one second in response to the request signal until the timer is not finished. That is, the relay Y-1 is ON, M is applied power, T-1 and T-2 start drive again, and the same is repeated when T-1 is turned round, and T-2 continues the reproducton.
Patent JP-H04231879-A (JP)
Title: Circuit device for evaluating signal of signal source
Inventor: TOOMASU SHIYUNAIDAA
IPC: G01R19/00
Filed: 1991-05-20
Abstract: PURPOSE: To overcome a defect easily affected by the influence of a signal source by setting a reference signal to a first reference value each time the signal is switched, and varying it to a second reference value depending upon time. CONSTITUTION: The periodic signal of varying frequency is sent from a sensor 1. In the state of a switching unit 3, a reference signal generator 4 is connected to the reference signal input side of a comparator 2. When the amplitude of a sensor signal exceeds the reference signal from the generator 4, the output signal of the comparator is changed from high (H) to low (L). Thus, the unit 3 is switched via an inverter 5, and a reference signal generator 6 is set in an operation connecting state via another inverter 5. With such a configuration, the reference signal is switched, it is set to the first reference value at each time, changed to the second reference value depending upon the time, and the defect easily affected by the influence of a signal source can be overcome.
Patent JP-S594662-A (JP)
Title: Photopolymerizable antifouling composition in water
Inventor: NAKATSUJI TOSHIHARU
IPC: C09D5/16
Filed: 1982-06-30
Abstract: PURPOSE:The titled composition for preventing contaminating organisms from attaching for a long period, capable of forming a tough film on the bottom of ships, etc., obtained by adding a polymerizable unsaturated compound, etc. to a specific polymerizable unsatuated organotin compound. CONSTITUTION:(A) 30-100wt% at least one polymerizable unsaturated organotin compound shown by the formula I or II[X1, X2, and X3 are group shown by the formula III(R1, R2, and R3 are 1-8C alkyl, cycloalkyl, or phenyl), H, 1-18C alkyl, phenyl, or benzyl; Y is -CH2COOZ(Z is group shown by the formula III, 1-18C alkyl, phenyl], H, or lower alkyl; R is H, or lower alkyl; A and B are H, halogen, lower alkyl, or phenyl] is blended (B) with 0-70wt% at least one polymerizable unsaturated compound and (C) 0.1-12wt% photopolymerization initiator based on the total amounts of the components A and B, to give the desired composition.
Patent JP-S5541650-A (JP)
Title: Metallic vapor discharge lamp
Inventor: HIROSE YOSHIO
IPC: H01J61/56
Filed: 1978-09-18
Abstract: PURPOSE: To make a stabilized operation obtainable, with a circuit part prevented from insulation breakdown, by providing a discharge gap, for producing a discharge when applied a voltage beyond the prescribed level, in parallel to the luminous tube within the outer tube.  
     CONSTITUTION: A start voltage generating circuit 5 is constituted by connecting a resistance heating unit 6, consisting of coil filament, and a thermal switch 7, consisting of bimetal switch, in series, and the thermal switch 7 is arranged in a location near the heating unit 6 further with a heat received from a luminous tube 2, with this generating circuit 5 and the laminous tube 2 connected in parallel. And below an internal conductor wire 3, 4, is welded a discharge rod 8, 9 made of a pair of high melting point materials, and protrusively provided so as to face each other, and between the point ends of these discharge rods is constructed a prescribed discharge gap 10. In this way, even when a start voltage is generated higher than the prescribed voltage, the voltage is discharged and absorbed by the discharge gap, thus capable of obtaining a stabilized operation. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S5740140-A (JP)
Title: Reciprocating running body stopper
Inventor: WATANABE TETSUO
IPC: F16F7/00
Filed: 1980-08-20
Abstract: PURPOSE:To surely stop a running object to its start position in use of the slit exposure scanning device or the like of a copying machine, by arranging a permanent magnet and resiliently damping member to a sliding member in a stopper device and combining the running object returning at high speed in a state while being damped to the sliding member. CONSTITUTION:A sliding member 54 is slidably mounted to the end part of a guide shaft 15, and a coil spring 55 is inserted between a flange part 54a at the left side of said member 54 and supporting member 53. There are secured a permanent magnet 57 to the right end part of the sliding member 54 and an iron piece 58 to the first carriage 12 located at a face-to-face position to said member 54. The first carriage 12, when returning from the right side direction, collides against the sliding member 54 through the permanent magnet 57 and is combined. Then the first carriage 12 is both damped by the coil spring 55 and press returned by its restoring power, then stopped to its start position by adapting the flange part 54a to a stopper 56. In this way, the running object can be damped at its stopping and surely performed its positioning.
Patent JP-S595944-A (JP)
Title: Oxygen concentration detector
Inventor: MASE SHIYUNZOU
IPC: G01N27/409
Filed: 1982-07-03
Abstract: PURPOSE:To enhance the stability of the titled detector, by a method wherein a solid electrolyte constituting an oxygen concn. cell or a resistor having negative temp. coefficient of resistance provided in adjacent relation thereto is heated by supplying a current thereto and the oxygen concn. in a gas is measured by the solid electrolyte. CONSTITUTION:An AC power source A is connected to a solid electrolyte 2E constituting an oxygen concn. cell 2 or a resistor having negative temp. coefficient of resistance provided in adjacent relation thereto through an inductance 11 as a current limiting circuit. This AC power source A has positive relation of input voltage and AC output frequency. A current flowing through the solid electrolyte 2E or the resistor is limited to predetermined value by the inductance 11 to supply a current to the solid electrolyte 2E or the resistor to heat the same. The oxygen concn. in a gas is detected by the solid electrolyte 2E constituting the oxygen concn. cell 2 heated by the supply of a current.
Patent JP-H0660013-A (JP)
Title: Direct memory access system
Inventor: KITAGAMI SHOICHI
IPC: G06F13/28
Filed: 1993-05-17
Abstract: PURPOSE:To provide the DMA system which omits bus access to an FIFO memory according to the content of transfer data. CONSTITUTION:When data sent from a peripheral device 3 to the FIFO memory 10 are transferred to the memory 10, data transferred to a memory 4 next are compared by a comparator 10-2 with transfer data stored in an 8-bit data storage part 10-1 of the FIFO memory 10 each time the data are transferred to the memory 4; when the comparison result shows a coincidence, namely, when the same data are successively transferred, a DMA transfer control part 9 omits bus operation for a data read of the FIFO memory 10 and transfers last transfer data stored in a temporary register 1-2 to the memory 4.
Patent JP-H01287124-A (JP)
Title: Production of rigid polyurethane foam
Inventor: ONO AKIHIRO
IPC: C08G18/72
Filed: 1988-05-13
Abstract: PURPOSE:To obtain the title foam having excellent low-temperature dimensional stability and compression strength, by using dichlorotrifluoroethane as a blowing agent and reacting a modified organic isocyanate as an organic polyisocyanate with a polyol, etc. CONSTITUTION:In producing rigid polyurethane foam from an organic polyisocyanate, a polyol (e.g., ethylene glycol), a blowing agent, a catalyst (e.g., triethylamine), a surfactant and other auxiliaries (e.g., foam stabilizer, plasticizer, filler, stabilizer and colorant), dichlorotrifluoroethane is used as the blowing agent and a modified organic isocyanate (preferably modified organic isocyanate of trimer and/or carbodiimidated organic isocyanate) is used as the organic polyisocyanate.
Patent JP-S5541062-A (JP)
Title: Demagnetizing unit
Inventor: HIRANO SHIGEO
IPC: H04N9/29
Filed: 1978-09-18
Abstract: PURPOSE: To prevent the occurrence of residual current and to sufficiently increase the quality of picture, by providing the resistive element and bimetal switch and constituting that the current supply to the demagnetizing coil is interrupted after a given time elapsed.  
     CONSTITUTION: When the power switch 1 is closed and AC current is supplied from the input terminal 5 in the demagnetizer, the closed loop is formed with the resistive element 2, bimetal switch 3 and demagnetizing coil 4 at the initial condition to flow current. After a given time elapsed, the switch 3 is operated with the heat by the current flowing to the element 2 and the closed loop is formed with the element 2 and the switch 3 only and the current supply to the coil 4 is interrupted. Accordingly, the time until the switch 3 is operated is set to the time after the end of demagnetization, and no current is fed to the coil 4 after the operation of the switch 3, to avoid the adverse effect of moving of screen due to residual current and beam landing. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S606958-A (JP)
Title: Electrophotographic copying machine
Inventor: TANAKA TOYOKI
IPC: G03G21/00
Filed: 1983-06-24
Abstract: PURPOSE:To shorten a copying time by providing a control means which detects the center part of a photosensitive body by a detecting means or starts image formation at the starting end of a photosensitive body on the basis of copy size <=1/2 as large as that of a discrimination means. CONSTITUTION:When numbers of originals are copied, sheet by sheet, a control circuit is so set that its operation circulates in steps S8, S9, S11, and S12 to wait a copy switch to be operated on the completion of one copy after the operation of the copy switch until the set time of a timer is elapsed. Consequently, when the copy switch is operated after the next original is placed, said operation is performed repeatedly. Therefore, the copying time of the 2nd and succeeding originals becomes equal to the copying time of the 2nd sheet in multiple copy mode, and the first copying time is shortened.
Patent JP-S60259011-A (JP)
Title: Surface acoustic wave device
Inventor: SUZUKI HITOSHI
IPC: H03H9/02
Filed: 1984-06-05
Abstract: PURPOSE:To obtain a device with excellent temperature characteristic and reproducibility by cutting an Li2B4O7 single crystal substrate as (90 deg.+lambda, 90 deg.+mu, 90 deg.+theta) in terms of Euler's angle expression, where lambda=38 deg.-52 deg., mu=-5 deg.-+5 deg. and theta=-10 deg.-+10 deg.. CONSTITUTION:The cut angle and the direction of surface propagation of an Li2B4O7 single crystal manufactured by the pull method are expressed as (90 deg.+ lambda, 90 deg.+mu, 90 deg.+theta) in Euler's expression, and as the result of the measurement of the delay time temperature coefficient (TCD), the electromechanical coupling coefficient (K<2>) and the propagating speed (v) of a surface acoustic wave device using lambda, mu, theta as parameters whose electrodes and reflectors are formed by the aluminum thin film, the TCD and K<2> are excellent and the variance of the (v) is less in the range of lambda=38 deg.-52 deg., mu=-5 deg.-+5 deg. and theta=-10 deg.-+10 deg.. Thus, in selecting the lambda, mu, theta as said range, the surface acoustic wave device with excellent temperature characteristic is manufactured with good reproducibility.
Patent JP-S5815281-A (JP)
Title: Optical coupling element and manufacture thereof
Inventor: AWAJI HIDEKAZU
IPC: H01L31/12
Filed: 1981-07-21
Abstract: PURPOSE:To enhance the performance of an optical coupling element by bonding light transmission and high withstand voltage film of glass or region between a light emitting element and a photodetector in a photocoupler at both sides, thereby reducing the interval between both elements and the loss of the input light, thereby increasing the insulating withstand voltage. CONSTITUTION:A light transmission high withstand insulating layer 9 is coated with resin such as PIQ or is formed by an electrophoresis with a glass insulating layer on the surface of a wafer. Aluminum is evaporated in vacuum to cover the aluminum film on the overall surface of the wafer covered with the layer 9. This pattern is formed, with a photoresist as a mask the unnecessary part of the aluminum film is removed by chemical etching. The layer 9 is selectively etched similarly to the patterning of the aluminum film. The wafer formed with the surface film and the wiring conductor is divided into pellets. The pellets of the photodetectors produced on the lead wires 10 are die bonded, and a light emitting element 11 is die bonded further thereon. The entirety is molded with transparent resin, and in order to further remove the influence of the external light, light shielding resin is molded.
Patent JP-2000307445-A (JP)
Title: Base band analog circuit
Inventor: TSUDA SHUICHI
IPC: H03H7/38
Filed: 1999-04-22
Abstract: PROBLEM TO BE SOLVED: To improve noise characteristics of a low-pass filter. SOLUTION: This circuit is has a demodulator 2 which outputs a base-band analog signal by demodulating a received signal and the low-pass filter 4 which passes the demodulated base-band analog signal and is provided with an impedance converting means 3 having output impedance lower than the output impedance of the demodulator 2 between the demodulator 2 and low-pass filter 4.