baber/WOPTO huggingface dataset:
Patent JP-H04194676-A (JP)
Title: Semiconductor integrated circuit
Inventor: TAKEDA AKIRA
IPC: H03K19/00
Filed: 1990-11-27
Abstract: PURPOSE:To achieve the enhancement of the development efficiency of electronic machinery, the reduction of the development cost and the enhancement of the reliability by writing and storing input/output polarity determining data from the outside and facilitating the alteration polarity by an input/output cell changing over polarity on the basis of the data. CONSTITUTION:The signal of the input D1 from the outside of a circuit is inputted to the input A of a polarity change-over means 3 through a level converter 10. The polarity change-over input Ds from the outside of the circuit and a testing input signal PI are respectively inputted to the inputs B, C of the means 3. The signal from the output O of the means 3 is outputted to the output do toward the interior of the circuit through a driver 12. When the input B is in an L-state, the signal of the input A is outputted to an output terminal as it is and, when the input B is in an H-state, the polarity of the input A is changed over to output the signal to the output terminal. By this constitution, the development efficiency of machinery can be enhanced and the development cost can be reduced and the reliability can be enhanced.
Patent JP-H02168798-A (JP)
Title: Howling prevention circuit
Inventor: INOUE TOKUO
IPC: H04R3/02
Filed: 1988-12-21
Abstract: PURPOSE:To prevent howling with the hardware of a small scale by changing the transmission characteristics of a band eliminate filter with the combination of a phase-shifting circuit and a phase comparator and allowing the peak frequency whose amplification rate is decreased to follow the frequency generating the howling. CONSTITUTION:Two kind to signals whose frequency and intensity are almost constant and whose phase difference is different correspondingly with the frequency, a voice signal 121, and a phase-shifting voice signal 141 are conducted into a phase comparator 15 through its comparison input. The phase comparator 15 outputs voltage corresponding to the phase difference of two kind of signals conducted by the comparison input. The voltage is conducted by a voltage storage circuit 16 and sent out to a band eliminate filter 13 after the delay of the time of time constant. When the frequency generating the howling is f1, the frequency characteristics of amplification series from a microphone 11 to a loud speaker 18 becomes the characteristics whose amplification rate is decreased only at the frequency of f1. Thus, voice generating the howling is no longer reproduced from the loud speaker 18.
Patent JP-H01165120-A (JP)
Title: Etching device
Inventor: NAKAMURA TADAAKI
IPC: H01L21/3065
Filed: 1987-12-22
Abstract: PURPOSE:To prevent reaction products from sticking to a silica cylinder and improve etching performance and maintenance properties, by mounting a heating means of hot water on the silica hollow cylinder. CONSTITUTION:A hot water heated by a temperature regulator 12 that is mounted on the outside of a vacuum container flows through a hollow silica cylinder 10 which is provided so that it surrounds a plasma reaction part. The hot water is circulated by a hot water circulation system 13. In this way, the hollow silica cylinder 10 is heated uniformly at a necessary temperature and then, reaction products which are produced by a reaction do not stick to the inside of the silica cylinder 10 and are eliminated by a vacuum discharging system 6.
Patent JP-H09160391-A (JP)
Title: Corona discharger for electrophotography
Inventor: FUMA HIROSHI
IPC: G03G15/14
Filed: 1995-12-13
Abstract: PROBLEM TO BE SOLVED: To make corona discharger and a power source part compact and inexpensive and to reduce the producing amount of ozone by reducing a power source current by leaving at least a back plate on a downstream side with respect to the advancing direction of an image carrier and omitting other parts. SOLUTION: In a operator 19, the back plate 19B is provided on the downstream side in the rotating direction of a photoreceptor drum 10. Small holes are made near both ends of a belt-like separation electrode 19A and either small hole is fit to an insulating member 19C by a fixing member 191A such as a set screw. The other small holes is fit to the other insulating member 19C through a tension spring 192A. the electrode 19A is linearly stretched in parallel with the back plate 19B, and the power source 19E performing corona discharge where AC bias for separation VAC, fAC and DC bias VDC are superimposed is connected to the member 191A. Thus, the discharge is made compact and inexpensive by omitting the power source and the back plate while keeping sufficient electrostatic charging and discharging performance.
Patent JP-2000136844-A (JP)
Title: Displacement generation type actuator active vibration insulating device
Inventor: WAKUI SHINJI
IPC: H01L21/027
Filed: 1998-10-30
Abstract: PROBLEM TO BE SOLVED: To improve vibration eliminating capacity by detecting vibration of each composing member in a system from a vibration eliminating object to a setting position, and specially converting its detected signal so as to control an actuator, in a displacement generation type actuator active vibration insulating device as an active vibration eliminating device. SOLUTION: In a vibration eliminating unit used for an electronic microscope and the like, a piezoelectric element 1 is provided as an actuator, for example, a stepper 4 as a vibration eliminating object is carried through a laminated rubber 3 on an intermediate plate 5 supported by the piezoelectric element 1 and a plate spring 2. In the case of a vibration eliminating operation, absolute velocity of the intermediate plate 5 and absolute velocity of the stepper 4 are detected by a geophone sensor and the like, each detected signal is inputted to each PID compensator, output signals of respective PID compensators are added, and the piezoelectric element 1 is drivingly controlled on the basis of obtained adding signal. For detecting the absolute velocity, a servo accelerator sensor and the like is also utilized for detecting vibration as a sensor other than the geophone sensor.
Patent JP-H04192823-A (JP)
Title: Light frequency stabilizing light source
Inventor: HORIGUCHI TSUNEO
IPC: H04B10/293
Filed: 1990-11-27
Abstract: PURPOSE:To stabilize the output light frequency in a wide band by inserting a detachable filter into a loop so as to pass through the filter before closing the loop, and detaching the filter after a frequency of a light source is stabilized. CONSTITUTION:When a switch 3 is connected to an A side, an output of an adder 2 appears stepwise in an output side of the switch 3, but since a switch 7 is on the 7D side, and a switch 8 is connected to the 8F side, a step signal passes through a low-pass filter 9, become a slow rise and is applied to an input of an amplifier 4. Accordingly, an output of the amplifier 4 and an output of a light source 5 are both varied slowly, and stabilized, when they become a target stabilized frequency. After the light frequency of the light source 5 is stabilized, the lowpass filter 9 is detached from a loop by connecting the switch 7 to the 7C side and connecting the switch 8 to the 8E side. In such a way, an output optical frequency can be stabilized in a wide band.
Patent JP-H07181844-A (JP)
Title: Image forming device
Inventor: UENO FUMIHIRO
IPC: G03G21/00
Filed: 1993-12-22
Abstract: PURPOSE:To reduce the error state of a device, to easily take out a transfer material and to improve jam processing property, by automatically recovering a printing state to that at a normal time or executing forcible initial set. CONSTITUTION:A transfer drum reference 1 counter and a transfer drum reference 2 counter in the respective printing states are checked. Then, when a counter pattern displayed on a reference table coincides with information from a state control means 24, it is judged to be normal and the pattern made to coincide on the reference table is stored as the present state. Simultaneously, printing processing executed based on the pattern is designated for a printing state control means 22. Then, the processing is finished. On the other hand, when it is judged to be abnormal, it is shown to a recovery means 26 that the pattern does not coincide on the table(abnormal) and the processing is finished.
Patent JP-2001141782-A (JP)
Title: Semiconductor test device and test method thereof
Inventor: ONUMA TOMOYUKI
IPC: G01R31/26
Filed: 1999-11-16
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor test device capable of estimating the degree of maldistribution of current flowing through respective semiconductor element chips in estimation of a semiconductor device on which plural semiconductor element chips are mounted while being connected in parallel. SOLUTION: This semiconductor test device uses a channel temperature measurement method comprising a step 1 for supplying a minute forward current causing no increase of a channel temperature between PN-junction terminals of the tested semiconductor element chip and measuring a first voltage between the terminals of the tested chip; a step 2 for applying a current and a voltage allowing the increase of the channel temperature to the tested chip to make the tested chip consume a prescribed power; a step 3 for newly supplying the minute forward current between the PN-unction terminals of the tested chip and measuring a second voltage between the terminals; and a step 4 for calculating the channel temperature from a difference between the first voltage between the terminals gotten by the step 1 and the second voltage between the terminals gotten by the step 3.  The semiconductor test device measures the channel temperature plural times while changing the application voltage value and current value in the step 2.
Patent JP-H09161376-A (JP)
Title: Disk device
Inventor: ISHII SATOSHI
IPC: G11B27/10
Filed: 1995-12-13
Abstract: PROBLEM TO BE SOLVED: To provide a disk device capable of reserving track reproduction while reproducing introduction. SOLUTION: When an introduction reproducing switch 21 is depressed, an introduction reproducing mode signal S21 A is outputted, and the level of a sound mute signal S7 A becomes L, and the reproduction is started. When the level of the sound mute signal S7 A become the L, and a prescribed time T second elapses, a timer signal S32 A is outputted from a timer circuit 32 to be jumped to a next track and to be reproduced. At the time of track jump, the level of the sound mute signal S7 A is an H, and it becomes the L when the next track is started to be reproduced.  When a track number of a reproduction request is inputted by a reproducing track reservation switch 26 while reproducing the introduction, its output signal S26 A is outputted to a microcomputer 7, and the track number data are stored in an SRAM 11, and a memory controller 9 reads out the data, and the track reproduction is performed after the introduction reproducing is ended.
Patent JP-H09155207-A (JP)
Title: Regenerating method of photocatalyst for removing air pollutant
Inventor: NISHIMURA TOMOAKI
IPC: B01J38/64
Filed: 1995-12-14
Abstract: PROBLEM TO BE SOLVED: To recover decontamination function by efficiently eluting an oxidation product of air pollutants, which is captured from an environmental air by a photocatalyst, for a short time. SOLUTION: As a method for recovering the catalytic activity of the photocatalyst, which oxidizes, adsorbs and captures the air pollutants such as NOx from the environmental air by utilizing a catalytic reaction activated by the irradiation of ultraviolet ray and consists essentially of titanium dioxide, by eluting the oxidation product of the air pollutants captured by the photocatalyst, the photocatalyst is cleaned with an alkaline solution prepared by using an oxide of an alkali metal or an alkaline earth metal or the hydroxide as a chemical. And the oxidation product is rapidly eluted by the neutralization reaction with the alkaline solution to recover the decontamination function of the photocatalyst with a short time cleaning.
Patent JP-H05139875-A (JP)
Title: Method for continuous ignition of ignition tool with nonel tube and continuous igniter
Inventor: TANIGUCHI HIROYUKI
IPC: C06C7/00
Filed: 1991-11-14
Abstract: PURPOSE:To continuously and safely ignite a pyrotechnic by applying an ignition low explosive to plural ignition tools arranged on each one end of nonel tube and continuously igniting the resultant ignition tools with paper balls. CONSTITUTION:The end of each nonel tube 6 is opened and an ignition low explosive 8 is applied to the opened end. The resultant terminal is then inserted into a nonel tube holding pipe 5 and each paper ball 3 is placed on a paper ball pedestal 4 above the pipe. The other end of the nonel tube 6 is subsequently inserted into a black powder part 1 under a throwing cylinder 10 charged with a rocket firework ball 9. A striking rod 1 is then continuously struck with a hammer 7 to fire the paper ball 3. Thereby, the ignition low explosive 8 is fired through the nonel tube 6. Black powder 11 is ignited by the firing power of the ignition low explosive 8 to shoot up the rocket firework ball 9.
Patent JP-H05130824-A (JP)
Title: Working machine for simultaneous mulching and soilsterilization
Inventor: SAMEJIMA MASAAKI
IPC: A01G13/00
Filed: 1991-11-12
Abstract: PURPOSE:To obtain the subject compact-sized working machine by arranging a chemical injection blade, a mulching apparatus, a soil-covering conveyor and a rubber wheel in a specific state. CONSTITUTION:The surface of soil is covered with a mulching film 53 with a mulching apparatus after injecting an agricultural chemical with a chemical- injection blade 28. A soil-taking part 67 of a soil-covering conveyor 64 for placing soil on the upper surface of both edges of the mulching film is placed at the back of the injection blade 28. The soil-discharging part 68b of the soil- covering conveyor is placed close to the backward extension line of the rubber wheel 52.
Patent JP-H01167397-A (JP)
Title: Cleansing agent and cosmetic utilizing ceramics
Inventor: SAKAGAMI ETSUROU
IPC: A61K8/00
Filed: 1987-12-24
Abstract: PURPOSE:To obtain cleansing cosmetic which separates and adsorbs waste materials from the skin and shows therapeutic effect by far-infrared light from the porous ceramic by adding a powder of porous ceramics to the cosmetic substances. CONSTITUTION:The subject cleansing cosmetic is obtained by combining cosmetic components such as toilet soap, washing soap or detergent with a porous ceramic selected from vycor type porous ceramic (of about 40Angstrom  maximum particle size and 98% SiO2, TPG type porous ceramic (made by the TPG process and about 98.6% SiO2 content and CeO2-3Nb3O5 porous ceramic.
Patent JP-H03186776-A (JP)
Title: Waveform formatting circuit
Inventor: SUGIMURA AKIO
IPC: G01R31/3183
Filed: 1989-12-15
Abstract: PURPOSE:To increase the kinds of pulse train signals for a waveform circuit used for an LSI test, etc., and to widen the selecting range by controlling three clock edge signals coming from a PEG by a control signal. CONSTITUTION:Pattern data are generated by a reference clock 1 at the cycle of reference clock, and the 1st-3rd clock edge signals generating from the edges of reference clock 1 with arbitrary delay times are outputted by the PEG 4. By the 1st-4th AND gates 131-134, the opening/closing of gate are controlled with the 1st-3rd edge signals and control signal RC or RZ/-NRZ respectively. Next, outputs of the 1st and 2nd OR gates 141-142 having the inputs which are the outputs of the 1st-4th AND gate 131-134, are inputted respectively to the 1st FF 15 and the 2nd FF 16 wherein the terminal D is connected to HIGH, the output of 2nd OR gate 142 is introduced to the clock terminal, the terminal Q is connected to a reset terminal of the 1st FF 15 and the own terminal is connected to a terminal Q of the 1st FF 15.
Patent JP-H04198817-A (JP)
Title: Heat ray type air flow meter
Inventor: SUZUKI TADAO
IPC: G01F1/698
Filed: 1990-11-29
Abstract: PURPOSE:To obtain a heat ray type air flow meter with a high measurement accuracy of air flow by using a temperature-sensitive resistor utilizing a forward voltage of a PN junction resistor. CONSTITUTION:A heat ray 1, first and second fixed resistors 2 and 3, and an equivalent resistor 9 constitute a bridge circuit 10 and the heat ray 1 and a PN junction semiconductor 5 are placed within an air flow path 8 to be measured. Also, the semiconductor 5 is driven by a constant current if from a constant current source 6 and hence the semiconductor 5 and a MOSFET 4 constitute a temperature-sensitive resistor. Then, by supplying a forward voltage Vf at a PN junction part of the semiconductor 5 which is placed within the flow path 8 to be measured to a gate of the MOSFET 4, a resistance Rds of the equivalent resistor 9 between a drain ad a source of the MOSFET 4 can be changed. By detecting this variable resistance Rds with the circuit 10, temperature of air flow can be measured as a resistance.
Patent JP-H06171362-A (JP)
Title: Aluminum alloy made reinforcing member for automobile
Inventor: YAMASHITA HIROYUKI
IPC: B60J5/00
Filed: 1992-12-04
Abstract: PURPOSE:To provide an aluminum allay made reinforcing member for an automobile approximately equal in withstand load (maximum load) to the existing reinforcing member but much more improved in a bending characteristic than the reinforcing member by the prior art. CONSTITUTION:When unit weight is W (kg/m), its elastic centroid is yc, the elastic centroid in the case of the cross section being biaxially symmetrical is y0, and a lateral buckling strength ratio to decay load at the time of a span being 950mm is k, 0.89<=yc/yco<=0.93 is meterlized. The cross-sectional form is then set in such a way that the relation between w and k satisfies 4.0<=k<=5.0 at the time of 1.0<=w<1.1, 4.2<=k<=5.0 at the time of 1.1<=w<1.3, 4.4<=k<=5.3 at the time of 1.3<=w<1.5, 4.7<=k<=5.5 at the time of 1.5<=w<1.7, 5.2<=k<=6.2 at the time of 1.7<=w<1.9, and 5.5<=k<=6.5 at the time of 1.9<=w<=2.0.
Patent JP-H09166547-A (JP)
Title: Microwave cavity
Inventor: NISHIDA MITSURU
IPC: G01N21/73
Filed: 1995-12-14
Abstract: PROBLEM TO BE SOLVED: To provide a cavity, in which in the case of generating microwave induced plasma, matching is facilitated, and discharge due to increase of microwave input is hard to occur. SOLUTION: In the microwave cavity 51 having a slide groove 43 where a microwave antenna 48 is slid, the width of the slide groove 43 to the outside diameter of the microwave antenna 48 is set in such a manner that the impedance of a means for transmitting microwaves to the microwave cavity 51 is equal to the characteristic impedance of a part formed by the slide groove 43 and the microwave antenna 48.
Patent JP-H04197495-A (JP)
Title: Water purifying apparatus
Inventor: YAMAGUCHI SHINOBU
IPC: C02F3/22
Filed: 1990-11-29
Abstract: PURPOSE:To prevent the generation of a malodor by supplying compressed air to the filtered water prepared through the filter wall of an outer cylinder within a middle cylinder to prepare dissolved oxygen enriched water and allowing this dissolved oxygen enriched water to flow in an inner cylinder on the basis of the head with respect to the water surface to supply the same to dirty water from the revolving pipe of the inner cylinder. CONSTITUTION:A filtering wall 1a filtering dirty water is provided to a freely rotatable outer cylinder 1. Within the middle cylinder 2 inserted in the outer cylinder 1 in a state protruding from the upper end of the outer cylinder 1 by predetermined height, compressed air is supplied to the filtered water prepared by the outer cylinder 1 from an air supply pipe 6 to prepare dissolved oxygen enriched water and this water is raised above the surface W of the water. The air supply pipe 5 revolved by the water supply force supplying the dissolved oxygen enriched water from the middle cylinder 2 is provided to the inner cylinder 2. Further, the outer cylinder 1 is supported by a support pipe 4. As a result, a water purifying apparatus requiring no large installation space and not generating malodorous pollution can be obtained.
Patent JP-H06217744-A (JP)
Title: Preparation of carrot juice
Inventor: FURUI HIROYASU
IPC: A23L2/02
Filed: 1993-11-29
Abstract: PURPOSE:To provide a process for the preparation of carrot juice capable of giving a high-quality carrot juice in a high yield. CONSTITUTION:A vitamin C component and/or a citric acid component are added to carrot while crushing or cutting the carrot and the obtained crushed or cut material is heated to inactivate the enzyme. The treated product is squeezed with an extruder having two screw shafts rotating in different directions.
Patent JP-2000142766-A (JP)
Title: Liquid discharge pump
Inventor: TOMA TORU
IPC: B65D83/76
Filed: 1998-10-30
Abstract: PROBLEM TO BE SOLVED: To prevent inconvenience that a discharged amount decreases or the like even if a head is rapidly pushed down by providing a liquid discharge pump with a descent limit mechanism for limiting relative descending of a vertically movable member for a large diameter cylinder to a small width. SOLUTION: A descent limit mechanism A comprises an inverted-skirt-like part 42 extending, which passes through a discharge valve hole 22 from a center on an upper face of a base 35 of a vertically movable member 7 to integrally expand above it and which brings an outer peripheral face into contact with and locks an upper end opening rim of the discharge valve hole 22 while a liquid in a large diameter pressurizing chamber can flow out to a discharge port 27 when the member 7 lowers toward a large diameter cylinder 5. The vertically movable member 7 is relatively lowered to the large diameter cylinder 5 to open a discharge valve 38 for discharging the liquid from the discharge port 27.  At this time, the member 7 which has lowered brings an outer periphery of the inverted-skirt-like part 42 into contact with and locks the upper end opening rim of the discharge valve hole 22, thereby limiting further relative descent.
Patent JP-H11162971-A (JP)
Title: Formation method for oxide film, and manufacture of p-type semiconductor element
Inventor: KATAOKA TOYOTAKA
IPC: H01L29/78
Filed: 1997-11-27
Abstract: PROBLEM TO BE SOLVED: To form a thin oxide film stably by humidifying oxidation method, by forming an oxide film on the surface of a semiconductor layer using steam produced by applying electromagnetic waves to hydrogen gas and oxygen gas, and further, nitriding the surface of the oxide film by nitrogen molecules in excitation state produced from nitrogen gas. SOLUTION: Hydrogen gas and oxygen gas are introduced into a processing chamber 10 from gas introduction parts 16A and 16B. Steam is produced by applying electromagnetic waves to hydrogen gas and oxygen gas. The produced steam reaches a reaction region 10B positioned under a processing chamber 10, and the surface of a semiconductor layer 20 heated by a heating means 12 is oxidized. That is, an oxide film can be made on the surface of the semiconductor layer 20. Then, nitrogenous gas is introduced into the processing chamber 10 from a gas introduction part 16C. Nitrogen molecules or nitrogen atoms ions in excitation state produced by applying electromagnetic waves to the nitrogenous gas reach the reaction region 10B positioned under the processing chamber 10, and the surface of the oxide film is nitrided.