baber/WOPTO huggingface dataset:
Patent JP-2000101371-A (JP)
Title: Variable gain amplifier
Inventor: SHIMIZU KATSUTO
IPC: H03G3/10
Filed: 1998-09-28
Abstract: PROBLEM TO BE SOLVED: To provide a variable gain amplifier which keeps input matching and will not deteriorate in high-level distortion characteristics even at switching of gain in a variable gain amplifier to be used by a receiving front end part for digital radio communication equipment. SOLUTION: This amplifier is provided with a bias switching circuit 107 cascode-connecting the emitter of a third transistor 5 with a grounded collector and base of first and second transistors 1 and 2 each with an emitter grounded in a high frequency and selecting one of the first and second transistors to supply a base bias, a first impedance compensation circuit 20 for controlling the input impedance of a second transistor 2, and a second impedance compensation circuit 102 connected between the bases of the first and second transistors. Then, by causing the first impedance compensation circuit 20 linked with the bias switching circuit to operate, input matching is kept and high-level distortion characteristics will not deteriorate even at switching of gain.
Patent JP-S61154292-A (JP)
Title: Color image pick-up device
Inventor: KIMURA MASANOBU
IPC: H04N9/07
Filed: 1984-12-26
Abstract: PURPOSE:To suppress the variation of a black level on the output side of a detecting circuit and to prevent a color reproducibility from deteriorating by obtaining an automatic sensitivity control information according to the average level of the output signal of an imaging element and providing a means to adjust the benefit of the output of the imaging element. CONSTITUTION:A low-pass filter 38 extracts a high luminance signal Y for a color and a low-pass filter 39 extracts a low luminance signal for the color and a band pass filter 40 extracts a modulation component for a color signal. At a sum circuit 42, an output from a 1H delay line 41 and the output from the band pass filter 40 are added, and at a difference circuit 43, the output from the 1H delay line 41 and the output from the band pass filter 40 are subtracted. Each output from the sum circuit 42 and the difference circuit 43 is inputted to detection circuits 44 and 45 respectively and an envelope detection is practiced. An R signal component and a B signal component are inputted to correction circuits 46 and 47 respectively and thus a dislocation of a black balance which arises during an automatic sensitivity control is corrected.
Patent JP-H05114347-A (JP)
Title: Electromagnetic relay
Inventor: MATOBA KOJI
IPC: H01H51/22
Filed: 1991-10-22
Abstract: PURPOSE:To provide a micro-relay whose driving force is great by making up mechanical elements of an electromagnetic magnet provided for a substrate and of a semi-conductor disposed opposite to the magnet, and concurrently furnishing them with each stationary and each movable contact layer respectively. CONSTITUTION:There are provided both electromagnetic magnets 1O2a and 1O2b which generate magnetic motive force acting as driving source, and sucking sections 115a and 115b made of magnetic substance formed over movable pieces 1O8a and 108b which are provided for a ceramic substrate 101 supporting the aforesaid magnets via a spacer 119. When DC voltage is applied to the magnets 102a and 102b, the sucking sections 115a and 115b are sucked up while movable pieces 108a and 108b are being deflected by magnet motive force. And stationary contact layers 106a and 1O6b, 107a and 1O7b formed in the main surface of a substrate 101, can thereby be opened/closed by means of movable contact layers 112a and 112b separately formed in the aforesaid movable pieces.
Patent JP-H05113278-A (JP)
Title: Artificial snow production
Inventor: ISOGAI YOSHIRO
IPC: F25C3/04
Filed: 1991-10-22
Abstract: PURPOSE:To obtain an artificial snow production method by which artificial snow used for skiing can be produced at any time. CONSTITUTION:A refrigerating mat 1 is laid over a ground surface to shield the heat of the earth and covered with a sheet so as to form a room 3. The air zone in the room 3 is forcibly cooled to -3 deg.C or lower by an adequate refrigerating machine and atomized water is sprayed into the cooled air zone and sublimated to produce snow.
Patent JP-H08137379-A (JP)
Title: Simulation kit for aged person and physical function testing method using above kit
Inventor: TAKANO YOSHIKAZU
IPC: G09B9/00
Filed: 1994-11-08
Abstract: PURPOSE: To provide a simulated experience of the reduction in the physical functions and the psychological changes of an aged person with a high repeatability by employing a kit having a special constitution which limits or reduces the motion and the sense of various parts of a human body. CONSTITUTION: A kit 1 is provided with ear plugs 10 and 11, a pair of glasses 20, a weighing coat 30, elbow motion fixing devices 40 and 41, knee motion fixing devices 50 and 51, ankle motion semi-fixing devices 60 and 61, wrist weighing band members 70 and 71, ankle weighing band members 80 and 81, gloves 90 and 91 and a stick 100. A person, who wishes to experience the feeling of an aged person, wears various devices of the kit 1. For example, the plugs 10 and 11 are the filters to cut off higher frequencies and simulate the frequency range of the hearing capability of an aged person. By limiting or reducing the motion and the sense of the various parts of the body, the gap between the motion image being thought by the head and actual motions is realistically experienced as the reduction in the physical functions.
Patent JP-H03137291-A (JP)
Title: Support for adhesive tape
Inventor: MURAKAMI TAKASHI
IPC: C09J7/02
Filed: 1989-10-23
Abstract: PURPOSE:To provide the subject support reduced in the decrease of strength and the change of dimension in a wet state by comprising a wet type non-woven fabric consisting of a mixture of natural pulp, a polyester fiber having a specific structure, birefringence constant and single filament fineness and binder fibers comprising PVA fibers. CONSTITUTION:(A) Natural pulp, (B) polyester fiber consisting of polyethylene terephthalate short fibers copolymerized with 1-5mol% of a sulfonic acid metal salt of formula I (M is alkali metal; R1 and R2 are H, alkyl, etc.,) and/or a sulfonic acid quaternary ammonium salt of formula II (R3-R6 are alkyl or aryl) and having a birefringence constant of 0.006-0.03 and a single filament fineness of <=5 deniers and (C) binder fibers consisting of polyvinyl alcohol fibers are mixed with each other in a component A/B/C weight ratio of 30-80/15-63/3-15, disposed in water and subsequently processed into the objective support comprising a wet type non-woven fabric.
Patent JP-H01115220-A (JP)
Title: Pll frequency adjusting circuit
Inventor: ENDO MITSUNORI
IPC: H03L7/08
Filed: 1987-10-29
Abstract: PURPOSE:To adjust a free run frequency with high accuracy by adjusting the frequency of an oscillator in a PLL so that a value, which is obtained by detecting the output of a phase comparator to which a reference signal and a PLL output signal in-phase with the reference signal, can be the minimum. CONSTITUTION:At a PLL circuit 10, the oscillation output of a variable oscillator(VCO) 3 is supplied to either a divider or a phase shifter, and an output signal SD the phase of which is different from that of a reference signal SB for 90 deg. and an output signal SS in-phase with the signal SB are fetched. The output signal SD is compared with the signal SB at a phase comparator 1, and by the output of the comparator 1 to pass through an LPF 3, the oscillating frequency of the VCO 3 is controlled. On the other hand, the output signal SS is compared with the signal SB at a phase comparator 7, and the output of the comparator 7, which is inverted at an inverter 8, is detected with a peak detector 9. At this time, by adjusting the free run frequency of the VCO 3 so that the output of the detector 9 can be the minimum, the adjustment of the free run frequency can be executed with high accuracy.
Patent JP-H02121707-A (JP)
Title: Device for forming viscous stock and method for operating device
Inventor: HAYASHI SHIGERU
IPC: B21B19/06
Filed: 1988-10-30
Abstract: PURPOSE:To work a long-sized, highly tough, and viscous stock having good working accuracy by separately installing an independently and respectively driven rotating roller head and a rotating casing and bringing the roller head provided with plural slant rollers into contact with the inside surface of the casing. CONSTITUTION:An independently driven rotating roller head 3 and a rotating casing are installed separatably in front and rear positions in an independently mounted rotating roller head housing 1 and a rotating casing housing 2 to align their rotation axis 5 with each other. The rotating roller head 3 and rotating casing 4 are independently driven by a driving gear 6 and a driving gear 7, respectively. The head 3 contains plural slant rollers 8 being symmetrical to the axis 5 and the rollers 8 are pushed to abut on the inside surface of the casing 4. A forming groove is composed of the plural rollers 8 and the rotating axis of the groove is aligned with the rotating axis 5. Thrusting force acts on the stock by giving a circumferential speed to the rollers 8 and forming is carried out.
Patent JP-H1094580-A (JP)
Title: Uneven mat for pressure contact stimulus on back part of body
Inventor: OKADA TAKAHIRO
IPC: A47C27/00
Filed: 1996-09-24
Abstract: PROBLEM TO BE SOLVED: To provide a hygienic uneven mat wherein acupressure type pressure contact stimulus to the back part of a body is soft and sweat can be absorbed and odor can be eliminated. SOLUTION: Cushion mounting holes 13 with a small diameter are formed each other at an interval on a spongy foamed plastic mat 12 and a circular block-shaped small-sized charcoal-sealed cushion 16 wherein the charcoal 19 of chaff wrapped with a charcoal-sealed fabric is sealed in a small-sized case 17 made of a foamed plastic sheet with vent holes on its top part is mounted in each cushion mounting hole 13 so as to project the top part from the surface of the mat base 12 to form a projected part being brought into press contact with the back part of a body.
Patent JP-2000064953-A (JP)
Title: Control pump
Inventor: YAMAOKA SATOSHI
IPC: F04B1/04
Filed: 1998-08-20
Abstract: PROBLEM TO BE SOLVED: To facilitate control of a transfer amount of liquid by a method wherein a plurality of cylinders are disposed at the circumference of a groove cam rotated through a signal electric motor and the piston of each cylinder is reciprocatively driven by a cam follower through rotation of a groove cam. SOLUTION: An electric motor 11, four cylinder heads 1.1 disposed along axes X-X' and Y-Y' crossing in a cross-form state orthogonally to the rotary shaft of the electric motor, and a linear bearing 1.5 are individually fixed at a body base 12. A piston 1.4 guided by the linear bearing 1.5 is reciprocated by the electric motor 11 through a cam follower 1.6 by movement of a groove cam 10 rotated around an axis Z-Z'. This constitution changes the volume of a cylinder chamber 1.2 and boosts fluid sucked through an inflow port a1 and discharge the fluid through an outflow port b1. Further, a pressure control port c1 coupled to a relief valve through a piping is provided to suppress excessive pressure increase.
Patent JP-H02122310-A (JP)
Title: Positioning device
Inventor: AIDA TAKESHI
IPC: G05D3/12
Filed: 1988-11-01
Abstract: PURPOSE:To attain the accurate and smooth positioning control by detecting the phase difference between a position command pulse signal and an encoder pulse signal and at the same time to detect the speed data on a traveling object for detection of a decimal part having the positional deviation equivalent to the product of the phase difference and the speed. CONSTITUTION:An encoder 2 having a prescribed division number is attached to a motor 1, and an encoder pulse signal C is inputted to a positional deviation counter part 3 consisting of a pulse number difference counter 3a and a latch circuit 3b. A command pulse signal B showing a target position is inputted to the part 3 and the part 3a calculates the pulse number difference between both signals B and C. Then the phase difference between both signals B and C is detected and at the same time the speed of a traveling object is detected. Thus a decimal part having the positional deviation equivalent to the product of said phase difference and speed is detected. In such a way, the correction is carried out to set the pulse number difference at zero between both signals B and C. At the same time, the positional deviation of the detected decimal part is also corrected and therefore the accurate positioning control is attained.
Patent JP-H04150545-A (JP)
Title: Ringing trip circuit
Inventor: TERASAKI YUTAKA
IPC: H04M3/02
Filed: 1990-10-12
Abstract: PURPOSE:To attain the reduction of a packaging area and the reduction of the cost of a circuit by substituting a transistor(TR) for a photocoupler having been used in a ringing trip circuit in the past, and further, reducing the number of parts. CONSTITUTION:The base of the TR 16 is connected to one end of a resistor 9 and the cathode of a diode 15, and the other end of the resistor 9 is connected to negative power supply 14, and the emitter of the TR 16 is connected to the anode of the diode 15 and one end of the resistor 10, and the other end of the resistor 10 is connected to the negative power supply 14, and the collector of the TR 16 is connected to the cathodes of the diodes 30, 31. The anode of the diode 30 is connected to the earth 32, and the anode of the diode 31 is connected to one ends of the resistors 11, 12, and the other end of the resistor 11 is connected to positive power supply 17, and is connected to the positive pole side of a capacitor 18 and the resistor 13 through the resistor 12, and the negative pole side of the capacitor 18 is connected to the earth 20, and the other end of the resistor 13 is outputted through a level converter 22. Thus, since circuit configuration can be simplified, and the number of parts is reduced, the reduction of the cost of the circuit and the reduction of the packaging area are attained.
Patent JP-S61155687-A (JP)
Title: Rotor of rotary compressor
Inventor: MATSUMOTO SHUJI
IPC: F04C29/00
Filed: 1984-12-28
Abstract: PURPOSE:To improve durability of a compressor, by forming a rotor with metal, having small specific gravity further wearing resistance, for instance, titanium or its alloy or aluminum or its alloy and the like applying surface hardening treatment. CONSTITUTION:(1) A pressurized dust material consisting of Ti-Al-V alloy dust is sintered, forming a sintered body, and a rotor 3 is manufactured by applying nitriding treatment and ceramic coating to said sintered body. (2) A pressurized dust material consisting Al-Si alloy dust is sintered, forming a sintered body, and a rotor 3 is manufactured by applying nitriding treatment and ceramic coating to said sintered body. Thus manufactured rotor 3, being used for a rotary compressor provided in an inverter system air conditioning equipment with a severe operational condition particularly required, enables good operation to be performed under a high speed operational condition of said compressor while its durability to be improved.
Patent JP-H02186081-A (JP)
Title: Locking device
Inventor: ARUMIN AIZERUMAN
IPC: E05B17/22
Filed: 1989-10-21
Abstract: PURPOSE: To display locking and unlocking conditions at a desired position, and memorize the conditions with age, by generating electric recording signals every lock operations in a locking device which can be operated from the outside and the inside. CONSTITUTION: A door 1 is provided with inner and outer attaching metal fittings 2, 3, and a lock 5 is arranged between the attaching metal fittings 2, 3 to perform operation with an outside knob 6 and an inside operating knob 9. Switch disks 19, 19a and switches S1, S2 are annexed to the locking device. Whenever the outside knob 6 is operated, an electric signal is generated in association with a first switch disk 19 and the switch S1. Moreover, whenever the operating knob 9 is operated, the other electric signal is generated in association with a second switch disk 19a and the switch S2. These electric signals are conducted to a display means to display locking and unlocking conditions, and are conducted to a storage means to sequentially memorize a condition accompanied by the passage of time.
Patent JP-H10124167-A (JP)
Title: System clock switching device
Inventor: ABE SHINICHI
IPC: H03K5/22
Filed: 1996-10-17
Abstract: PROBLEM TO BE SOLVED: To provide a system clock switching device that trealizes fail-safe of a system clock by using a clock of another system. SOLUTION: An oscillating circuit A generates clock CK1 as ordina system clock, and an oscillating circuit B generates clock CK2 of another system like clock for a timepiece, etc. These output lines 1 and 3 are connected to their respect input terminals of a multiplexer 2. A clock output supervisory circuit 4 supervises the clock CK1 of the circuit A and makes the line 3 which is connected to a clock input terminal perform a supervisory operation of the clock CK1 of the line 1. A supervisory flag that is outputted from the circuit 4 is supplied to a switching signal input terminal of the multiplexer 2 through a line 5. Furthermore, an output signal line 6 of the multiplexer 2 is connected to a circuit which uses a system clock of a subsequent stage, and the line 3 of the circuit B is connected to a timepiece circuit, etc., of a subsequent stage.
Patent JP-S62162882-A (JP)
Inventor: HARUNA MITSUAKI
IPC: F26B23/02
Filed: 1986-11-18
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-H08136083-A (JP)
Title: Heat pump hot water feeder
Inventor: WATANABE TAKEJI
IPC: F25B30/02
Filed: 1994-11-09
Abstract: PURPOSE: To stabilize a hot water temperature of a heat pump hot water feeder and improve durability of equipment. CONSTITUTION: This hot water feeder comprises a refrigerant circuit including a compressor 1 and a refrigerant-to-water heat exchanger 2; a hot water feeding circuit consisting of a hot water storing tank 5, a circulation pump 6 and a heater 7; a first temperature sensor 8 for generating a first signal and a second signal higher than the first signal; a second temperature sensor 9 for generating a signal of higher temperature from the first temperature sensor 8; a rotational number control means 10 for use in controlling the number of rotation of the circulation pump 6 with the first signal of the first temperature sensor 8 when a heater 7 is not electrically energized and with a signal of the second temperature sensor 9 when the heater 7 is electrically energized; and an operation controller 11.  Then, even in case of the electrical energization of the heater 7, the second signal of the first temperature sensor 8 is detected and changed over from the second temperature sensor 9 to the first signal of the first temperature sensor 8 so as to perform a rotational number control of the circulation pump 6. Accordingly, a stable hot water temperature can be obtained and at the same time durability of the compressor 1 and the heater 7 may also be improved.
Patent JP-H0987092-A (JP)
Title: Lead-containing perovskite type dielectric single crystal film and its production
Inventor: MORIKOSHI HIROKI
IPC: C30B29/22
Filed: 1995-09-29
Abstract: PROBLEM TO BE SOLVED: To easily produce a high quality dielectric single crystal film useful as a functional material in various uses and having a smooth surface with satisfactory reproducibility at a low cost. SOLUTION: This film is a lead-contg. perovskite type dielectric single crystal film of at least 2μm thickness having a smooth surface formed by a liq. phase epitaxial method and it is produced as follows; a starting material mixture contg. a lead feeding component such as lead oxide is melted and well mixed, a single crystal substrate is immersed in the resultant melt and epitaxial growth is carried out to form a lead-contg. perovskite type single crystal film of at least 2μm thickness on the surface of the substrate.
Patent JP-H03139164-A (JP)
Title: Dc power supply
Inventor: AIZU SUMIICHI
IPC: H02M3/28
Filed: 1989-10-23
Abstract: PURPOSE:To improve ripple performance or power conversion efficiency by selecting output from a constant voltage generating circuit for the stopping condition of a start command signal while selecting output voltage from a smoothing circuit for the starting condition of the start command signal and applying the selected output on one input terminal of an output phase compensation error amplifier. CONSTITUTION:A switch 28, which selects output VOF from a constant voltage generating circuit 27 for the stop condition of a start command signal VNF while selects output voltage Vo from a smoothing circuit 5 for the start condition of the start command signal VNF, is provided and the output Vn from the selection switch 28 is applied to one input of a phase compensation error amplifier 8. By such arrangement, output voltage Vo from the smoothing circuit 5 rises with minimum rising time without causing overshoot voltage regardless of the limitation of transient response speed of the smoothing circuit 5 or the magnitude of a load 6. Consequently, stable operation of the load 6 is ensured and ripple performance or power conversion efficiency is improved.
Patent JP-H02121862-A (JP)
Title: Image forming apparatus
Inventor: HARA CHIHIRO
IPC: H04N1/23
Filed: 1988-10-31
Abstract: PURPOSE:To reduce the number of sensors without lowering image quality and to facilitate adjusting work by constituting at least one of sensors, which detect the reference region of a rotary platen drum and the leading and rear ends of the recording medium wound around said drum, so as to detect a plurality of specific regions. CONSTITUTION:A reference region S, the front end Pa of paper and the rear end Pb thereof are detected successively by one sensor 65 during the rotation of a platen drum 41 and the detection signals are sent to a overall control part 21 as the detection data of those specific regions. The overall control part 21 compares the signal from the angle-of-rotation detection sensor of the platen drum 41 with the detection signals from the specific regions Pa, Pb not only to judge the respective detection regions but also to grasp the intervals between the reference region S and the respective specific regions Pa, Pb and the same acting effect as a plurality of detection sensors is obtained only by one detection sensor 65. The supply of the paper P can be rapidly confirmed by a sensor 66.
Patent JP-H05113146-A (JP)
Title: Internal combustion engine
Inventor: MATSUSHITA SOICHI
IPC: F02D41/04
Filed: 1991-10-23
Abstract: PURPOSE:To form a fuel-air mixture with a good ignitability around an ignition plug at the time of firing in an internal combustion engine wherein the required injection amount of fuel in total to the vicinity of the ignition plug during a compression stroke so as to fire the fuel, by determining the fuel injection timing on the basis of the fuel injection amount and the ignition timing. CONSTITUTION:A swirl type fuel injection valve 5 for injecting an atomized fuel large in the angle of spread and weak in the piercing force is disposed at the top of a cylinder 64 in a condition of being directed obliquely downwardly so as to inject the fuel toward the vicinity of an ignition plug 6. A required injection amount of fuel which is determined in corresponding relation to the engine operation condition is injected in total from the fuel injection valve 5 during a compression stroke, and is fired by means of the ignition plug 6. Control is so made as to inject the fuel during the compression stroke as mentioned above and fire it after injecting the fuel in a suction stroke to form a preliminary fuel-air mixture. At this time, in any case, the fuel injection timing during the compression stroke is determined on the basis of the fuel injection amount in the compression stroke and the ignition timing.