baber/WOPTO huggingface dataset:
Patent JP-2000282270-A (JP)
Title: Outside face coated cast iron tube
Inventor: TAKAHASHI SEIJI
IPC: C09D133/06
Filed: 1999-03-29
Abstract: PROBLEM TO BE SOLVED: To allow a zinc primer layer to exhibit its excellent intrinsic corrosion preventability characteristic by providing a cast iron tube with a zinc primer layer, a resin primer layer of a specified thickness formed by an acrylic resin primer thereon and a finish coat formed by a finish coating material. SOLUTION: A resin primer layer of 3 to 50 μm average thickness is formed by an acrylic resin primer. >=80 wt.% of the solid content of the acrylic resin primer is composed of an acrylic resin obtd. by copolymerizing 5 to 60 wt.% (meta)acrylic ester monomers having an 8 to 18C long chain alkyl group, 5 to 20 wt.% α,β-monoethylenic unsaturated carboxylic monomers and 20 to 90 wt.% other copolymerizable monomers. As the (meta)-acrylic ester monomers, octyl(meta)acrylate, 2-ethylhexyl(meta)acrylate, decyl(meta)acrylate, or the like, can be cited.
Patent JP-S5711775-A (JP)
Title: Direct current arc welding machine
Inventor: KOYAMA HIDEYUKI
IPC: B23K9/073
Filed: 1980-06-26
Abstract: PURPOSE: To obtain stable welding current by connecting series circuits of impedance elements and switching elements which switch in synchronization with welding start and stop signals in parallel with the control elements on the primary side of a welding transformer.  
     CONSTITUTION: A series circuit of an AC reactor 8a and a switching element 7a is connected in parallel with an antiparallel circuit of thyristors 4a, 4a', and similarly to this, a series circuit of an AC reactor 8b and a switching element 7b is connected in parallell with an antiparallel circuit of thyristors 4b, 4b' and a series circuit of an AC reactor 8c and a switching element 7c with an antiparallel circuit of thyristors 4c, 4c'. Then, even if the phases of the conduction angles of the thyristors 4aW4c, 4a'W4c' go to ≥60°, voltage is applied through the elements 7aW7c and the reactors 8aW8c; therefore, no zero sections of the output voltage are produced, hence ripples are less. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-S63252015-A (JP)
Title: D/a converting device
Inventor: TOYAMA AKIRA
IPC: H03M1/04
Filed: 1987-04-09
Abstract: PURPOSE:To make a higher harmonic spectrum due to the nonlinearity of a D/A converting circuit into a white noise with simple circuit constitution by providing an adding circuit which adds random data of frequency higher than the frequency band of an acoustic signal to digital data obtained by oversampling the acoustic signal. CONSTITUTION:The adding circuit 1 is supplied with digital data (a) on a signal component in a frequency band of about <=20 KHz within a Nyquist area. Random data from a random data generating circuit 2, on the other hand, is supplied to a HPF 3, which passes and supplies only data C in the high frequency range of the Nyquist area to the circuit 1. Data on a frequency spectrum fS generated by the circuit 1 is therefore supplied to the D/A converting circuit 4 and converted into an analog signal. This signal is supplied to a LPF 6 through a deglicher 5.
Patent JP-S5612087-A (JP)
Title: Gas compression
Inventor: KITAMURA YASUO
IPC: F04B49/10
Filed: 1979-07-12
Abstract: PURPOSE: To prevent constructing materials of a compressor from corrosion by heating the mist remained and accompanied in gas at the compression of the gas by the heat source obtained from the high-temperature gas after the compression for evaporating and removing the mist.  
     CONSTITUTION: The heat source to heat the gas introduced into a compressing operation once is obtained as follows. In the illustration, for example, in the m-th compressing operation Cm of an n-stage compressor with n compressing operations from the 1st to n-th stage, the high-temperature gas discharged from a compressing operation Cm-1 is partly conducted as a high-temperature side heat source through a heat exchanger Em-1 provided between the m-th compressing stage and a mist- separator Sm-1 after the preceding m-1-th compressing operation Cm-1 via a path Bm-1. In this construction, the gas introduced into the compressing operation Cm is heated, and the mist in the gas is removed by evaporation for preventing the constructing materials of the compressor from corrosion. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S57204727-A (JP)
Title: Glow plug for diesel engine
Inventor: KIKUCHI TETSUO
IPC: F02P19/02
Filed: 1981-06-09
Abstract: PURPOSE:To eliminate waste of power consumption in a resistance by enabling heating with a resistor provided at a heating section in a glow plug whose heating current can be varied with a resistance through a switching operation. CONSTITUTION:The glow plug for a diesel engine is used for preheating prior to start up of the engine and for after glow treatment to prevent idle noise and control exhaust hydrocarbon. As after start up of the engine, there is no need for supplying the same power to the glow plug as that prior to start up of the engine, power is changed over with switches 1 and 2. A resistor 59 having an equivalent resistance gamma corresponding to the resistance for reduction of current is replaced with a part of magnesium oxide. With a changeover from the switch 1 to 2, heat ascribed to the resistor 59 is generated and utilized at the tip of the glow plug eventually waste of power.
Patent JP-S63252008-A (JP)
Title: Variable resistance circuit by voltage control
Inventor: TOGASHI KENSUKE
IPC: H03H11/24
Filed: 1987-04-08
Abstract: PURPOSE:To increase input dielectric strength, to improve a distortion factor, and to eliminate the influence of an external noise by providing a variable resistance element, an exponential circuit(EXP circuit) which determines the variation curve of the variable resistance element by a control voltage, and a photo-electric circuit which connects the variable resistance element and EXP circuit mutually on the same wafer element. CONSTITUTION:A buffer circuit 9 is provided on one silicon wafer element 8 of a variable resistance circuit, the EXP, circuit 10 is connected to its output, and a switch circuit 11 is connected to the output of the EXP circuit 10. Further, the photoelectric circuit 12 is connected to the output of the switch circuit 11 and the variable resistance element 13 is connected to the output of the photoelectric circuit 12. In this constitution, the circuit 9 connects a control voltage from a control terminal 14 to a next-stage circuit 10 with high impedance. The circuit 10 applies a control voltage which has a logarithmic curve to the resistance element 13 through the circuits 11 and 12 when an external input voltage is linear.
Patent JP-S5313309-A (JP)
Title: Optically reproducing unit
Inventor: HIRASAWA KAZUO
IPC: H04N5/85
Filed: 1976-07-22
Abstract: PURPOSE:To execute accurately tracking control at a normal reproducing time and the jump of light beam at a scanning track switching time, when information signals are reproduced optically by projecting light beam to a disc.
Patent JP-H04296023-A (JP)
Title: Gaas substrate etching method
Inventor: SUMIYA KOICHI
IPC: H01L21/302
Filed: 1991-03-25
Abstract: PURPOSE:To prevent generation of etching residue, and to improve the reproducibility of highly precise and uniform etching by maintaining the circumference of a GaAs substrate in a vacuum state before a dry etching operation is conducted after the oxide film on the surface of the GaAs substrate has been removed. CONSTITUTION:A GaAs substrate (wafer) 12 is carried into an etching electrode 5a passing through the valve 6a of the side wall 4a. H2 plasma is made to irradiate on the wafer 2, and the natural oxide film on the wafer 2 is removed. Then, the wafer 2 is carried to an etching chamber 3b passing through the valve 6 of a partition wall 4b, and a dry-etching treatment is conducted thereon. A pretreatment chamber 3a, in which an oxide film is removed, and a dry- etching chamber 3b are vacuum vessels. Accordingly, during the period from the removal of the oxide film to the dry etching is always maintained in vacuum state. As a result, there is no reproduction of oxide film, and the dry etching operation such as formation of aperture and the like can be conducted in a highly precise manner.
Patent JP-H04297365-A (JP)
Title: Hydraulic boosting unit
Inventor: MAEHARA KATSUMI
IPC: B60T13/12
Filed: 1991-03-26
Abstract: PURPOSE:To prevent internal pressure being produced with a volume decrease in a reaction chamber, from occurring, in a hydraulic boosting unit with a jump-up function. CONSTITUTION:Such a means as easing volume in a reaction chamber 70 by means of a relative access between a piston 30 and an input member 16, is installed in a part facing to this reaction chamber 70. As for the means, a small piston 100 shiftable to the operating input side is most effective.
Patent JP-H07270921-A (JP)
Title: Contact reversal printer
Inventor: INADA TATSUHIKO
IPC: G03B27/02
Filed: 1994-03-31
Abstract: PURPOSE:To reduce the driving force of a traveling mechanism equipped with a spring roller for unwinding/winding an airtight sheet, and also to prevent the registering accuracy of a photosensitive material and an original from being reduced at the time of extending the airtight sheet. CONSTITUTION:A pair of right and left racks 45R and 45L is arranged on both sides of a transparent plate. The traveling mechanism 50 is provided with the spring roller 70 for winding the airtight sheet 42, and also provided with a pair of pinions 58R and 58L, the spring roller 70 and the pinion 58R, etc., are simultaneously rotated by a driving motor 54. By driving by the driving motor, the pinion 58R, etc., are rolled on the rack 45R, etc., then, the traveling mechanism 50 is made to travel, and also, the spring roller 70 is rotated so as to extend the airtight sheet 42 on the original and the photosensitive material placed on the transparent plate, or so as to wind the sheet 42. When a tension is imparted from the airtight sheet 42 to the spring roller 70, a coil spring is twisted so as to extend the airtight sheet 42.
Patent JP-S5211295-A (JP)
Title: Preparation of aromatic polyamide
Inventor: SHINDOU TADAO
IPC: C08G69/00
Filed: 1975-07-17
Abstract: PURPOSE: To prepare very steadily a high-polymeric aromatic polyamide capable of forming molded products such as fibers without any trouble. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H08289365-A (JP)
Title: Method and system for privacy telephone in radio telephony system
Inventor: NISHIHARA KENICHI
IPC: H04W12/02
Filed: 1995-04-13
Abstract: PURPOSE: To cipher and decipher a communication signal by transmitting a push button signal from a telephone set which doesn't have the MSK signal transmission function and detecting a PB signal in a terminal station or a repeating station. CONSTITUTION: Terminal stations 21 ana 22 and a repeating station 1 are provided with radio equipments 3-1, 3-2, and 3-3 and signal controllers 4-1, 4-2, and 4-3 respectively, and each signal controller is provided with secret talk modulation/demodulation parts 9-1, 9-2, and 9-3. Signal control parts 5-1 to 5-3 monitor a prescribed PB signal in the communication signal. When the prescribed PB signal is detected in the communication signal as the result, the signal control part controls the switch of the signal controller of its own station, and the signal control part and the secret talk modulation/demodulation part are connected by this switch. In terminal stations 21 and 22, the operation to cipher or decipher the signal is turned on after the PB signal is detected by monitor. In the repeating station 1, the ciphering operation is turned off in spite of detection of the PB signal.
Patent JP-H07268219-A (JP)
Title: Silicone gel composition for optical filling
Inventor: SAIKI TAKEAKI
IPC: C08L83/07
Filed: 1994-03-31
Abstract: PURPOSE:To obtain a silicone gel for optical filling which is free from a decrease in visible light transmittance at high temperature by combining two diorganopolysiloxanes having specified contents of alkenyl groups and hydrogen atoms respectively bound to an Si atom with a specified organopolysiloxane. CONSTITUTION:The silicone gel composition consists of 100 pts.wt. diorganopolysiloxane having a viscosity at 25 deg.C of 50-100,000cP and containing at least one alkenyl group bound to an Si atom in the molecule, 1-100 pts.wt. organopolysiloxane having average units of the formula [wherein R<1> is hydrocarbon except alkenyl; R<2> is alkenyl; and a is 0 or greater, and (a+b)/c is 0.6 to 4), a diorganopolysiloxane having a viscosity at 25 deg.C of 1-1,000,000cP and containing at least two hydrogen atoms bound to an Si atom only in the side chain, and a platinum catalyst. The silicone gel obtained by curing this composition has a 1/4 consistency, prescribed by JIS K 2220, of 20 to 200. When used as a filler between, e.g. a solar cell and an exterior glass, this composition is transparent and is free from a decrease in visible light tansmittance and occurrence of cracks at high temperature.
Patent JP-S58205369-A (JP)
Title: Picture reader
Inventor: OGATA MINORU
IPC: G06T7/60
Filed: 1982-05-26
Abstract: PURPOSE:To set the reading start position of an original arbitrarily, by providing a counter counting a clock pulse of a picture reader and providing a set means setting the count value of this counter arbitrarily. CONSTITUTION:A reading element 1 reads a picture of one-line's share at the same time with sequential scanning at each line and outputs a reading signal sequentially in synchronizing with a clock pulse from a timing generating circuit 2. The clock pulse from the timing pulse generating circuit 2 is counted at a counter 5, and a flip-flop 7 is set when the count value set at a switch 6 is counted and a line start pulse from the timing generating circuit 2 is applied to the reading element 1. Further, the reading start position of the original is set arbitrarily by setting the count value of the counter 5 with the switch 6 arbitrarily.
Patent JP-H06141870-A (JP)
Title: Dna fragment capable of coding non-a non-b hepatitic viral antigen
Inventor: NOMOTO AKIO
IPC: C12N15/51
Filed: 1992-03-12
Abstract: PURPOSE:To obtain a DNA fragment capable of coding a non-A non-B hepatitic viral antigen and to provide a method for utilizing the DNA fragment. CONSTITUTION:This DNA fragment is capable of coding a non-A non-B hepatitic viral antigen, especially a core envelop (ENV/NS1) and NS2 antigen. An expression system of the DNA fragment and a method for producing a recombinant (poly)peptide by the expression of the expression system are provided.
Patent JP-2000283966-A (JP)
Title: Ultrasonic flaw detector
Inventor: INOUE SATORU
IPC: G01N29/04
Filed: 1999-03-30
Abstract: PROBLEM TO BE SOLVED: To provide an ultrasonic flaw detector excellent in flaw detection precision for a specimen. SOLUTION: This ultrasonic flaw detector is provided with a container 23 for storing water 24, a stage 25 mounted with a specimen 26 on its upper face, and an ultrasonic probe 27 for transmitting an ultrasonic wave to the specimen 26 via the water 24 to receive a reflected wave thereof, and determines a condition of the specimen 26 by transmitting the ultrasonic waves from the ultrasonic probe 27 in plural portions of the specimen 26 to receive the reflected waves. The flaw detector is provided in the present invention with a reflected wave discriminating means 34 for detecting a reverse face-reflected wave B of the ultrasonic wave reflected in a reverse face of the specimen 26, a defect detecting means 35 for conducting detection as a nondefective when an attenuation factor of the reverse face-reflected wave B with respect to a referential reverse face- reflected wave is smaller than a prescribed factor, and for conducting detection as a defective when it is larger, and a determining means 40 for counting defective information of the defect detecting means 35 to determine the defective or the nondefective of the specimen 26.
Patent JP-H06301194-A (JP)
Title: Manufacture of photo-mask and photo-mask
Inventor: GYODA KAZUHIRO
IPC: G03F1/80
Filed: 1993-04-15
Abstract: PURPOSE:To sharply reduce the remaining rate of foreign objects on a photo- mask. CONSTITUTION:Grooves 1b are formed on the principal plane of a mask substrate 1a, then a shading conductor film is stacked on the principal plane of the mask substrate 1a so that its upper face is made nearly flat. The shading conductor film is etched back by the anisotropic dry etching method to form a shading film pattern 1c only in the grooves 1b.
Patent JP-H11285880-A (JP)
Title: Detecting device for copy calibration in welding machine and detecting method for copy deviation
Inventor: TANAKA HIROYUKI
IPC: B23K26/042
Filed: 1998-04-01
Abstract: PROBLEM TO BE SOLVED: To accurately detect positional deviation between a laser welding torch and a copying image pickup unit. SOLUTION: This detecting device is provided with a translucent plate 4 like ground glass provided at the same height as the surface of a material to be welded against a welding torch 10, a detecting image pickup unit 5 for photographing the translucent plate 4 through a window opening 3, and index small holes 6a, 6b arranged on a straight line L1 passing the reference point O on the translucent plate 4; the torch 10 and the copying image pickup unit 11 are scanned in the y direction, detecting the collimation light locus L2 of the torch 10 on the translucent plate 4 by the image pickup unit 5, and calculating the positional deviation of the torch.  In the meantime, each shortest distance is calculated for the visual field center of the copying image pickup unit 11 to the small holes 6a, 6b, with their average values determined as the positional deviation of the copying image pickup unit 11. Then, deviation is determined between the torch 10 and the image pickup unit 11. The copying deviation of the torch 10 is eliminated by adjusting the deviation and the distance between the torch 10 and the image pickup unit 11.
Patent JP-H10280954-A (JP)
Title: Cooling structure of cylinder head
Inventor: OZEKI YOSHISHIGE
IPC: F01P3/02
Filed: 1997-04-07
Abstract: PROBLEM TO BE SOLVED: To provide a cylinder head cooling structure which effectively cools a cylinder head in an internal combustion engine, and adequately prevents uneven temperature in the cylinder head from occurring. SOLUTION: The cylinder head 1 includes a main jacket 11 and a sub jacket 12 which extend in the arranging direction of combustion chambers 2a, 2b, 2c, 2d. By forming hole through the jackets 11, 12, the lower part of the cylinder head 1 has a main supplying path 13 and a sub supplying path 14 for introducing cooling water from a water jacket of a cylinder block. In the upstream of an injection nozzle mounting hole 3 which is on two combustion chambers 2a, 2b in the upstream side of the cooling water, a first communication path 15 and a second communication path 16 which communicate the main jacket 11 with the sub jacket 12 are placed, and the inner diameter of the first communication path 15 is larger than that of the second communication path 16.
Patent JP-S58205444-A (JP)
Inventor: SATOU AKITOSHI
IPC: A01K85/00
Filed: 1982-05-25
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-H08280511-A (JP)
Title: Heat retaining dish
Inventor: KOBAYASHI TOSHIO
IPC: B65D81/38
Filed: 1995-04-13
Abstract: PURPOSE: To provide a heat retaining dish preventing its wall having a double- wall structure from being swollen, by welding or sticking the edge where an inner member and an outer member are kept in contact with each other, and storing a moisture absorbent in a hollow chamber formed between both members. CONSTITUTION: The connection section between an inner member 2 having the inner shape of a dish main body 1 and an outer member 3 having the outer shape is welded, and a hollow chamber 5 is formed inside. A moisture absorbent 6 is stored on the bottom face of the hollow chamber 5, and a heat insulating material 7 is filled in the portion other than the moisture absorbent 6 of the hollow chamber 5. The connection section 4 may be stuck. The outer member 3 and inner member 2 are formed out of a thermoplastic resin as raw material by injection molding, vacuum molding, or hollow chamber molding. A foam body made of continuous foam or independent foam, e.g. polyurethane, is used for the heat insulating material 7. A material capable of controlling the steam pressure and having moisture absorbing force can be used for the moisture absorbent 6.
Patent JP-S5314468-A (JP)
Title: Filter for electrostatic oil purifiers
Inventor: IWAKI KUNIO
IPC: B03C5/00
Filed: 1976-07-24
Abstract: PURPOSE: To accomplish oil purification for removing dust and water contained in oil such as insulation oil through adsorption with a filter without causing short circuit of the power source and deterioration of dust adsorption capacity. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H06300370-A (JP)
Title: Refrigerator cycle
Inventor: MAENO MASASHI
IPC: F25B1/00
Filed: 1993-04-15
Abstract: PURPOSE:To prevent return of all liquid refrigerant in an accumulator at a time, to keep a degree of dilution of a lubricant in a compressor to be low, and to prevent burning of the compressor. CONSTITUTION:An accumulator 7 takes in refrigerant through an inlet pipe 71. Refrigerant gas in the accumulator 7 is sent out through an outlet pipe 72 and supplied to a compressor S through a suction pipe 81. Lubricant and liquid refrigerant for the compressor 8, which stay in a bottom part of the accumulator 7, are supplied to the compressor 8 through another suction pipe 82 which is provided below the suction pipe 81 under a control of a capillary tube 9.
Patent JP-H11276017-A (JP)
Title: Bag for housing aquatic life
Inventor: KANBARA TADASHI
IPC: B65D85/50
Filed: 1998-04-01
Abstract: PROBLEM TO BE SOLVED: To obtain the subject bag capable of readily producing, excellent in transportability, portability and handleability and useful for goldfishes by forming a port opening having width capable of taking aquatic life in and out and not flying out the contents in the bag by a seal part of the bag made of a plastic film. SOLUTION: This bag has a seal part 3 made of a plastic and a port opening 4 having width capable of taking aquatic life in and out and not flying out the contents in a bag is formed by the seal part 3. Furthermore, in the bag for putting the aquatic life therein, it is preferable, that a handle 2 is provided in upper part than the position of the seal part and the seal part is constituted of two or more seals and formed so as to extend in a state which is horizontal or inclined in the lower part toward the center of the bag.
Patent JP-S59214485-A (JP)
Inventor: FUJITA JIROU
IPC: D05B37/04
Filed: 1983-05-20
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-S5211825-A (JP)
Title: Crt display unit
Inventor: HOTSUTA SADAKICHI
IPC: H01J31/10
Filed: 1975-07-18
Abstract: PURPOSE: Equipping the display unit with memory function by providing a negative electrode with photoelectric emission in opposition to a positive electrode coated with fluorescent material. 
     COPYRIGHT: (C)1977,JPO&Japio