baber/WOPTO huggingface dataset:
Patent JP-H01318559-A (JP)
Title: Ac/dc converter circuit
Inventor: HANIYUDA KEN
IPC: H02M7/21
Filed: 1988-06-20
Abstract: PURPOSE:To step down and convert a voltage through a simple circuit by providing an apparatus with a voltage and phase sensing circuits and by turning ON and OFF a switching element between an AC power source and a rectifying and smoothing circuit through the output of the sensing circuit. CONSTITUTION:A full-wave rectification and step-down circuit is composed of a AC power source 10, voltage and phase sensing circuits 21-22, Zener diodes D3-4, transistors TR1-2, field-effect transistors(FET) 23-24, and diodes D5-10 to supply a load resistor R5 with power. The voltage and phase sensing circuit 21 is composed of resistor R1 and R3, TR1, etc., to sense the negative half cycle of a voltage waveform of the AC power source 10. Also, the voltage and phase sensing circuit 22 is composed similarly to sense the positive half cycle of the voltage waveform in a like manner. Thus, the positive and negative voltage levels of AC input sensed by the sensing circuits 21, 22 are set at desired voltage levels, and FETs 23, 24 are turned ON simultaneously with AC input phase when the voltage levels are under the set values, to send AC input to the rectifying and smoothing circuit side.
Patent JP-H0445810-A (JP)
Title: Cartridge filter
Inventor: MAEDO OSAMU
IPC: D04H1/4382
Filed: 1990-06-08
Abstract: PURPOSE:To improve the filter preciseness without lowering the life by winding the slit nonwoven fabric consisting of the conjugate fiber in which the specified ratio of constituent fibers is devided into under specified denier on a porous core tube to form a filter layer so as to have a specified fiber density. CONSTITUTION:The slit nonwoven fabric 3 consisting of the conjugated fiber in which >=10wt.% of the constituent fibers is devided into <=0.5 denier is wound on the porous core tube 4 to form the filter layer 2, and the fiber density of the filter layer 2 is made to be 0.18-0.30(g/cm<2>). As a result, fine numerous uniform clearance passages are formed so that the particles of fine particle diameter are precisely caught, and the filter preciseness is improved without the lowing of filter life.
Patent JP-S5483886-A (JP)
Title: Liquid leak detecting device
Inventor: KOIKE TAKAFUMI
IPC: G01M3/16
Filed: 1977-12-16
Abstract: PURPOSE: To detect a leak position with the use of inexpensive facilities by providing a leak detecting circuit, in which a plurality of leak detecting means and resistors are connected alternately in series, and by imparting a potential distribution to the plural leak detecting means so that it may be known from the short-circuiting due to the leaked liquid.  
     CONSTITUTION: The liquid leak detecting device is composed of: leak detectors 4 (X 1  to X n ); a grounded line 5; leak detecting resistors 14 (R 1  to R n ) connected alternately in series with the detectors 4; a break detecting resistor 20 connected in series with the resistors 14; a leak detecting circuit 15 having a leak detecting diode 19 and a connecting cable; a signal processor 16 receptive of the potential at the leaked position; a display device 17 receptive of the signals from the processor 16 for displaying and warning the leaked position; and a power source 18 of the circuit 15. In case the ith leak detector X i  detects the leak, it is short-circuited so that the input voltage V i  of the processor 16 is expressed by Equation 2. According to this Equation 2, since the relationship in the input voltages between the leaked position and the processor 16 becomes linear, the judgement of the leaked position can be facilitated at the processor 16 so that the number of the detectors to be accommodated in the circuit can be incresed. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H099213-A (JP)
Title: Data transmission system
Inventor: HIRAI ICHIRO
IPC: H04N7/045
Filed: 1995-06-16
Abstract: PURPOSE: To provide a data transmission system capable of synchronizing video data and sound data. CONSTITUTION: A transmission part 1 is composed of a video encoding circuit 11, a buffer memory circuit 12, a delay time measurement circuit 15, a sound encoding circuit 14, a delay circuit 16, a silence judgement circuit 17 and a multiplex circuit 13, and a reception part 2 is composed of a demultiplex circuit 18, the buffer memory circuit 22, the delay time measurement circuit 25, a video decoding circuit 21, the delay circuit 26, the silence judgement circuit 27 and a sound decoding circuit 24. Based on the measured result of delay time between the input and output of the butter memory circuit 12 by the delay time measurement circuit 15, the delay circuit 16 switches the delay time of the sound data.  Also, based on the measured result of the delay time between the input and output of the butter memory circuit 22 by the delay time measurement circuit 25, the delay circuit 26 switches the delay time of the sound data.
Patent JP-H05269784-A (JP)
Title: Dual action molding press
IPC: B29C45/17
Filed: 1992-06-10
Abstract: PURPOSE: To provide an improved molding press capable of continuously producing a resin molded article, preferably its large molded article assembled with a reinforcing material or its blank in a high productivity, and an improved cylinder driving mold opening/closing and clamping required for it. CONSTITUTION: A press is consisted of a base for mounting each a pair of mold sections M1, M3 in a pair of molds, first and second bolsters 11, 12 mounted in alignment for mating engagement of the other pair of molds M2, M4, a rod assembly mounting pistons 44 and others operably interrelated with cylinder assemblies 40 and others on the base interconnecting a pair of bolsters in a fixed space relation, guiding the relative motion between the base and a pair of bolsters during opening and closing of the pair of molds, and an auxiliary cylinder 70 for driving the relative motion between the base and the pair of molds for opening of one of the pair of molds while closing the other of the pair of molds and vice versa.
Patent JP-H0821224-A (JP)
Title: Lubricating device of engine
Inventor: YAMAZAKI MASUHARU
IPC: F01M11/03
Filed: 1994-07-01
Abstract: PURPOSE:To enable the lubricating oil amount to be increase/decrease-adjusted according to the application of an engine. CONSTITUTION:One end of an auxiliary supplying passage 6 is communicated with an oil strainer 1 of an engine E, and an oil housing part 5 is provided on the intermediate part of this auxiliary supplying passage. The other end of the auxiliary supplying passage 6 is communicated with an oil passage 3 on the suction side of a lubricating pump 2 through a flow connecting tool 7. Thereby, when the lubricating oil amount is increased, lubricating oil is sucked from the suction side oil passage 3 from the oil housing part 5 from the oil strainer 1 via the auxiliary supplying passage 6 by the lubricating pump 2, thereby, in the lubricating oil amount of the engine E, only the capacity of the provided oil housing part 5 is increased.
Patent JP-S638302-A (JP)
Title: Efficacy enhancing agent for biocide
Inventor: IWASAKI TETSUHARU
IPC: A01N33/12
Filed: 1986-06-27
Abstract: PURPOSE:An efficacy enhancing agent, consisting of a specific branched type quaternary ammonium salt and capable of improving the efficacy of a biocide to 2-3 times without causing phytotoxicity even in using together with the biocide. CONSTITUTION:An efficacy enhancing agent consisting of a branched type quaternary ammonium salt expressed by formula I [R1-R3 are formula II (R5 is 4-18C alkyl or alkenyl; R6 is 2-16C alkyl or alkenyl), formula III (Y is H or halogen) or 1-4C alkyl and at least one is formula II; R4 is 1-4C alkyl or -CH2CH2OH; X<-> is counter anion], e.g. a compound expressued by formula IV, V or VI. The compound expressed by formula I is obtained by quaternizing a tertiary amine expressed by formula VII with a quaternizing agent, e.g. methylene chloride, methyl bromide, dimethyl sulfate, etc. The amount of the efficacy enhancing agent used is normally 0.1-5, preferably 0.2-4 weight ratio based on the technical product of the biocide. If the agent is diluted for use, the concentration used is preferably >=50ppm.
Patent JP-S5483314-A (JP)
Title: Space frequency improving circuit for color signal
Inventor: TSUCHIYA TAKAHISA
IPC: H04N9/77
Filed: 1977-12-16
Abstract: PURPOSE: To improve the space frequency of a color signal to prevent blotting of the color by superposing the high frequency signal of a luminance signal on the color signal in a TV image pickup device.  
     CONSTITUTION: Wide band luminance signal YW separated from video signal, color difference signal RN-YN for demodulated R and color difference signal BN-YN for B are entered respectively to terminals 1a, 1b and 1c, and the luminance signal and each color difference signal are supplied respectively to matrix circuit 2, so that primary signals R to B are formed. Correction signal SP to be superposed on color difference signals RN-YN and BN-YN is formed from luminance signal YW. Correction signal SP is high frequency signal YH of luminance signal YW with the amplitude corresponding aproximately to the ratio of the amount of change of amplitude of low frequency signal YN constituting luminance signal YW to the amount of change of the color difference signals at the time of change of amplitude; the amount of change of amplitude in each signal corresponds to the differential output of each signal and signal SP is obtained from the differential output. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H097840-A (JP)
Title: Transformer checking device
Inventor: SATO SHIGEKATSU
IPC: H01F27/00
Filed: 1995-06-19
Abstract: PURPOSE: To provide a highly reliable transformer checking device, which is simple in constitution, is low in cost, does never need a high-degree control and does never generate a change in its detection value even in its long-term use. CONSTITUTION: In a transformer checking device constituted into such a structure that a detecting means for detecting the deterioration of insulating oil or an abnormality in the insulating oil is provided in the insulating oil in a transformer 1 filled with the insulating oil and a check on the transformer is made, an oil reservoir is provided in the vicinity of a drain valve 11 of the transformer.  With that, an optical fiber 24 is made to penetrate in the oil in this oil reservoir, a light-emitting device 21 is coupled with the end part on one side of the end parts of this optical fiber, a light-receiving device 22 is coupled with the other end part of the fiber 24 and at the same time, the device 22 is provided with an optical attenuation quantity detecting device 23a for detecting the attenuation quantity of the quantity of light received and a decision device 23b for deciding the degree of the deterioration of the insulating oil on the basis of an optical attenuation quantity detected in the device 23a.
Patent JP-S5383689-A (JP)
Title: Banknote examining apparatus
Inventor: TOKURA KATSUYUKI
IPC: G07D7/00
Filed: 1976-12-17
Abstract: PURPOSE: To prevent a test banknote from being processed as a normal banknote even if a test examination result signal is kept outputted by providing means of outputting strobing everytime when a banknote is inserted and assigining the kind of money at the testing. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S6310487-A (JP)
Inventor: SATO RYOZO
IPC: H01L21/31
Filed: 1986-06-30
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-2000341816-A (JP)
Title: Switchgear
Inventor: YOSHIDA TETSUO
IPC: H02B13/02
Filed: 1999-05-31
Abstract: PROBLEM TO BE SOLVED: To reduce the whole size of a switchgear, by using complex insulation of solid insulation combined with air (N2 gas) and ensuring an insulating characteristic equal to or more than an SF6 gas. SOLUTION: Various kinds of breaking and making units, such as a breaker and a disconnecting switch, are stored in a tightly sealed container to form a switchgear as a power system. In an insulating structure, an insulating layer 26 is formed on each surface of end parts of electrodes 25 between at least the electrodes 25 that constitute the most minimum gap between each phase main circuit conductor or between the main circuit conductor and the container. In addition, an insulating barrier 27 is formed between the electrodes 25.
Patent JP-S5943285-A (JP)
Inventor: EZOE TAKUJI
IPC: F16L1/26
Filed: 1982-09-02
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-S6212705-A (JP)
Title: Medical and dental cement composition
Inventor: ADACHI TOSHIO
IPC: A61K6/00
Filed: 1985-07-10
Abstract: PURPOSE:The titled composition having improved adaptability to organisms, a short curing time, high compression strength and a transparent feeling, obtained by blending an aqueous solution of citric acid with a specific concentration with tricalcium alpha-phosphate powder in a specific weight ratio. CONSTITUTION:In a medical or dental cement composition consisting of tricalcium alpha-phosphate powder and an aqueous solution of citric acid, a cement composition having 30-60wt%, especially 35-55wt% aqueous solution of citric acid and a weight ratio P/L of tricalcium alpha-phosphate powder (P) and the aqueous solution of citric acid (L) of 1.3-3, especially 2-2.5. The tricalcium alpha-phosphate is preferably treated by calcination and pulverizing twice.
Patent JP-H01319888-A (JP)
Title: Method for counting number of pictures of web
Inventor: YAMAKAWA NOBORU
IPC: G06M7/00
Filed: 1988-06-20
Abstract: PURPOSE:To prevent erroneous counting even when either a gap or an overlap occurs in the interval between adjacent colors by ignoring the output signal of an photoelectric sensor up to the middle of a yellow group color part and counting up a counter in a first dark color part after a yellow group color part. CONSTITUTION:A photoelectric sensor 16 is composed so as to output a detected signal when the sensor 16 detects a black (Bk) part and a cyanogen (C) part, namely, the dark color part, in a color film 12. Further, the fed quantity of the color film 12 is detected, the output of the photoelectric sensor 16 in the interval from the dark color part to the middle of the yellow group color part is ignored, and a counter 25 is counted up for '1' by detecting the first dark part after measurement up to the middle of the yellow group color part ends. Thus, the number of pictures is never erroneously counted even when either the gap or the overlap occurs in the interval between the adjacent colors.
Patent JP-S6213413-A (JP)
Title: Production of copolymer
Inventor: AOYANAGI TATSUHIRO
IPC: C08F2/18
Filed: 1985-07-12
Abstract: PURPOSE:To obtain a copolymer of a high heat distortion temperature and excellence in, e.g., strength, by copolymerizing alpha-methylstyrene with acrylonitrile by suspension polymerization in the presence of specified two alkyl perester polymerization initiators. CONSTITUTION:An alkyl perester polymerization initiator having a 10hr half-life temperature (in benzene, 0.1mol/l) of 70-80 deg.C (e.g., t-butylperoxy2- ethylhexanoate) and an alkyl perester polymerization initiator of a 10hr half-life temperature of 100-110 deg.C (e.g., t-butylperoxy3,5,5-trimethylhexanoate) are prepared. A mixture of 65-75wt% alpha-methylstyrene and 35-25wt% acrylonitrile is copolymerized by suspension polymerization in the presence of these initiators to obtain the purpose alpha-methylstyrene/acrylonitrile copolymer.
Patent JP-S6132169-A (JP)
Title: Word extracting system
Inventor: NUMATA YASUYUKI
IPC: G06F17/22
Filed: 1984-07-23
Abstract: PURPOSE:To extract a word with suffix registered in a word dictionary while decreasing the reduction in retrieval processing speed by generating three character strings only when the 3rd Kanji (Chinese syllabary) sound has a possibility of a suffix. CONSTITUTION:A sectioning section 3 using a Kanji sound applies sectioning by means of the Kanji sound to an input Kana (Japanese syllabary) character string transmitted from an input character string storage setion 2 at first. An attribute discriminating section 5 of the input character string discriminates whether there is any possibility of the 3rd minimum unit to be a suffix or not depending on the arrangement of the Kanji sound ans the Kana of the input character string sectioned by using the Kanji sound and the Kana as the minimum unit. Only when there is a possibility, the retrieved character string is generated based on the three minimum units and in other cases, the retrieved character string is formed based on the two minimum units as a conventionally system.
Patent JP-S6044901-A (JP)
Inventor: NAKADA YUTAKA
IPC: F21V7/00
Filed: 1983-08-23
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-S5275219-A (JP)
Title: Automatic frequency control circuit
Inventor: MASUDA MITSUYA
IPC: H04N5/50
Filed: 1975-12-19
Abstract: PURPOSE: To make the drawing range broader by defeating AFC circuit momentarily thru the detection of no synchronizing signal and by setting the output voltage at the specified value. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-2000348530-A (JP)
Title: Raising/lowering type lighting system and lighting installation
Inventor: SHIOHAMA HIROCHIKA
IPC: F21V21/36
Filed: 1999-05-31
Abstract: PROBLEM TO BE SOLVED: To improve safety and workability of maintenance, inspection, and repair of a lamp and a lighting device by providing a lighting fixture which is raised/lowered by an electrical raising/lowering device arranged in a fix side, and a discharge lamp lighting device having a lighting circuit part and a power supply circuit part which includes a rectifier circuit installed symmetrically to the lighting fixture about a discharge lamp. SOLUTION: A power supply circuit part 2 and a lighting circuit part 3 of a discharge lamp lighting device 1, provided in a lighting fixture raised and lowered by a motor of a raising/lowering device 7 fixed to a ceiling are electrically connected to each other by a connecting line 1a and separately arranged symmetrically to each other with respect to a discharge lamp 4 provided in the lighting fixture, and the lighting fixture is lowered to be inspected, etc. A connection line 1a is hardly affected by noise, because DC flows at a stable potential by the rectification of AC from a commercial AC power supply.  For example, a step-up circuit 2c and a step-won circuit 3a are included in the power supply circuit part 2 and the lighting circuit part 3 respectively, and their coil components are symmetrically arranged so that balance of the discharge lamp lighting device 1 and the lighting fixture in weight is realized.
Patent JP-S6213080-A (JP)
Title: Semiconductor device with hetero-junction
Inventor: TAKIGAWA MASAHIKO
IPC: H01L21/338
Filed: 1985-07-11
Abstract: PURPOSE:To suppress the irregularity of a threshold voltage due to low temperature hysteresis without reducing the mobility of carrier by doping Si at the portion near a junction boundary for an AlGaAs layer of AlGaAs/GaAs hetero- junction and VI group element on the separated portion. CONSTITUTION:An undoped GaAs layer 2 and an N-type AlGaAs layer 3 as an electron supplying layer are grown on a semi-insulating GaAs substrate 1. Si is doped near a boundary (junction boundary) between the layer 3 and the layer 2, and Se is doped at the separated portion. Thus, a dopant is not hung from the junction boundary, a selectively doped hetero-junction structure that a quasi-doner level does not decrease lower than a quasi-Fermi level is performed to eliminate the deterioration of the mobility, and a semiconductor device having a hetero-junction of small irregularity of threshold voltage Vth can be obtained.
Patent JP-H09318433-A (JP)
Title: Vibration detector for lng pump
Inventor: SAKAKIBARA MAKOTO
IPC: G01H17/00
Filed: 1996-05-27
Abstract: PROBLEM TO BE SOLVED: To perform maintenance of a pump vibration meter during operation of a pump. SOLUTION: A pump main body 2 is housed in a pump pot 1, and fix- supported with a supporting material 8. On the surface of pump pot 1, a vibration meter attaching seat 16 is attached. At a tip end of the vibration meter attaching seat 16, a pump vibration meter 17 is attached detachably. The vibration meter attaching seat 16 is projected outside a cold insulation material 12 which encloses the outside of pump pot 1. The pump vibration meter 17 is positioned outside the cold insulation material 12, so that normal temperature is kept at always.
Patent JP-H099510-A (JP)
Title: Detecting method of single operation of inverter for system interconnection
Inventor: KIDOGUCHI HIDETAKA
IPC: H02H3/46
Filed: 1995-06-20
Abstract: PURPOSE: To detect surely a state of single operation even in the case when a plurality of inverters are interconnected in an interconnected system, after the system is interrupted. CONSTITUTION: A synchronous signal carried by a distribution line is received by synchronous signal receiving circuits 35 and 36. The phases of periodic minute signals outputted by fluctuation signal generators 31 and 32 are synchronized with this synchronous signal and inverters 12 and 22 for an interconnected system are operated, while the frequency of the system is monitored by a frequency detector 33 and a frequency monitoring circuit 34 so that a state of single operation can be detected without fail.
Patent JP-2000334775-A (JP)
Title: Injection molding apparatus and method
Inventor: TANUMA YOICHIRO
IPC: B29C45/77
Filed: 1999-05-31
Abstract: PROBLEM TO BE SOLVED: To provide an injection molding apparatus and method for LIM capable of controlling the injection amt. of a resin with high accuracy. SOLUTION: A sensor is arranged on the inner wall surface of a plunger cylinder 3 and a sensor is arranged on the outlet side of a static mixer 11 and a sensor is arranged on the discharge side of raw material supply pumps 14, 15 and, on the basis of the pressures detected by these sensors, the raw material supply system such as the pumps 14, 15 or a drive device 8 is controlled. The inner pressure of the plunger cylinder 3 can be kept almost constant and the amt. of the raw material supplied to the plunger cylinder 3 can be controlled highly accurately and the injection amt. of the resin injected in a mold from the discharge port 10 provided to the leading end of the plunger cylinder 3 can be controlled highly accurately.
Patent JP-H023999-A (JP)
Title: Method of providing terminal in device package
Inventor: MIYAMOTO KENJI
IPC: H01L23/12
Filed: 1988-06-20
Abstract: PURPOSE:To enable a conductor to be left faultless for producing terminals, by forming a secondary through hole with a drill such that it partially overlap the inner layer wall of a plated through hole section of a package and cutting off the package along a line passing the intersections between the circle of the inner layer wall of the plated through hole section and the circle of the secondary through hole. CONSTITUTION:A secondary through hole 3 is formed by drilling such that it partially overlap the inner layer wall 2a of a plated through hole 2 in a package 2. Diameter of the secondary through hole is slightly larger than that of the plated through hole 2. The package 1 having the secondary through hole 3 is cut off along a line 5 passing the intersections between the circle of the inner layer wall 2a of the plated through hole 2 and the circle of the secondary through hole 3. In this manner, a package 10 having terminals 20 at the positions as desired can be obtained.