baber/WOPTO huggingface dataset:
Patent JP-S56167032-A (JP)
Title: Burying of large-diametered thin steel pipe
Inventor: NAKASHIMA TAKASHI
IPC: E02B9/06
Filed: 1980-05-28
Abstract: PURPOSE: To prevent the deformation of a steel pipe due to external pressure by backfilling of earth into an excavated trentch while an expanding bag body inserted into a steel pipe is fed with a gas and expanded retaining the steel pipe from inside.  
     CONSTITUTION: When a large diameter thin steel pipe 1 is buried into an underground excavated trentch, first an expandable rubber bag body 6 reinforced by fiber such as cloth is inserted into a steel pipe put into the bottom of the trentch. Then, the bag body 6 is fed with a gas through a hose 8 by a compressor 7 and expanded to retain the steel pipe 1 in such a manner as to be free from deformation under any external pressure. Here, the shape and the number of the bag body 6 are selected according to the sections of burying the steel pipe. While the steel pipe 1 is retained from inside, the burying work is completed by backfilling into the excavated trench 5. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S61230865-A (JP)
Title: Two side polishing machine
Inventor: SAKAI AKIRA
IPC: B24B37/28
Filed: 1985-04-05
Abstract: PURPOSE:To yield a product having a good ground surface throughout the worked area by feeding the abrasive slurry from the bore side of the space between the upper and lower reference surface boards, and thereby accomplishing uniform distribution of the abrasive slurry throughout the carrier part. CONSTITUTION:Abrasive slurry is supplied through a distribution pipe 44 to a ring-shaped slurry storage part A surrounded by a member of a sun gear 26, a sealing member 50, and a lower 30 and an upper 34 reference surface board. The slurry is passed through the space between the upper and lower surface boards 34, 30 to be sent to the carrier part, and is fed to the space between the work and polishers 31, 35. Accordingly the abrasive slurry is distributed uniformly throughout the applicable area from the bore side to the carrier part, and there is no local unevenness of slurry density in the grinding position. This enables accomplishment of a product having satisfactorily good ground surfaces, being free from facial defects etc., throughout the whole worked area.
Patent JP-S61231803-A (JP)
Title: Controller of ac electric railcar
Inventor: TSUTSUI YOSHIO
IPC: B60L9/12
Filed: 1985-04-05
Abstract: PURPOSE:To improve the power factor and to reduce an equivalent disturbing current by connecting an overvoltage absorbing filter with the AC side of a converter. CONSTITUTION:An AC power source Ea is applied from a trolley wire Tw through a pantograph P to the primary winding of a transformer Tr, and the secondary winding voltage of the transformer Tr is applied to the AC terminal of a converter C. The DC output voltage Ed of the converter C is supplied to a DC motor M. The converter C is composed of gate turn OFF thyristors GTO1, GTO2 and diodes DF1, DF2. Further, a voltage absorber F is provided. The constant of the absorber F is set to absorb harmonic wave components generated by the overvoltage and the chopping of switching elements GTO1, GTO2.
Patent JP-S59195917-A (JP)
Title: Sand pile former
Inventor: KAWAKAMI TAKAHIRO
IPC: E02D3/08
Filed: 1983-04-22
Abstract: PURPOSE:To simplify a sand pile former by using a system in which a hollow tube having a vibro-penetrator on its upper end is suspended by a spring, and a sand discharging and compacting part is hung down from the lower end of the hollow tube and vertically moved by the operation of the vibro-penetrator. CONSTITUTION:A vibro-penetrator 2 is attached to the upper end of a hollow tube 1 for forming a sand pile and hung down by a wire 4 having a buffer spring 3, and an outer tube 6 is provided to the lower end of the penetrator 2. A sand discharging and compacting part 6 is hung down from a spring 7 in the outer tube 6. A sand supply hopper 8 is also provided to the upper part of the outer tube 6, and a nozzle 9 through which water or air is jetted is provided near the lower end of the lower hollow tube 1. By properly selecting the spring constant of the springs 3 and 7 and also the frequency of the penetrator 2, the part 5 is vertically moved by suitable vibration by operating the penetrator 2.
Patent JP-S51146398-A (JP)
Title: The manufacturing technique of the oxynitrided ferrosilicon
Inventor: HARA KAZUHISA
IPC: C01B21/082
Filed: 1975-06-11
Abstract: PURPOSE: To decrease the oxidation property of iron the oxynitrided ferrosilicon so that it is able to use as the castable refactory with the adhesive of high reaction, such as phosphate, silicate compounds, and so on. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-H08273696-A (JP)
Title: Fuel cell stack structure
Inventor: HASEGAWA YASUAKI
IPC: H01M8/24
Filed: 1995-03-29
Abstract: PURPOSE: To improve discharge efficiency of generating water, and effectively make a fuel cell compact in a solid high polymer type fuel cell. CONSTITUTION: When reaction gas is introduced to respective cells 4 to 7 of a fuel cell stack structure, oxygen and hydrogen react with each other in a catalytic electrode joined to both surfaces so as to sandwich a high polymer electrolyte film, and water is generated on the oxygen gas passage side. The generated water is discharged outside of a system through a main oxygen discharging passage by being accompanied by oxygen gas in a cathode electrode, that is, an oxygen gas passage. An electric current flows to the electrode by a hydrogen ion in the electrolyte film by electrochemical reaction, and electric power is generated. The electric power generated by the electrochemical reaction flows in the layering direction of an aggregate cell structure body 8 through a conductive separator. Since the respective cells 4 to 7 in the aggregate cell structure body 8 are insulated from each other, on a single cell, the electric current flows in the layering direction, and the electric power by the electrochemical reaction can be finally taken out of a pair of output terminals arranged on one end side of the fuel cell stack structure.
Patent JP-S63239862-A (JP)
Title: Semiconductor storage device
Inventor: IKEDA SHUJI
IPC: H01L23/52
Filed: 1987-03-27
Abstract: PURPOSE:To accelerate a writing without increasing manufacturing steps by providing a first word line extended from the gate electrode of MISFET of a memory cell and a second word line separately from the first line, and forming wirings for supplying a stationary potential at the same layer as the second line. CONSTITUTION:A memory cell is formed of a flip-flop circuit and transfer MISFETs Qt1, Qt2 connected between a pair of input/output terminals and complementary data lines DL, DL'. The source regions of driving MISFETs Qd1, Qd2 are connected to wirings 12A for supplying a reference voltage Vss to the memory cell. A first word line WL5 is formed by integrating and extending the gate electrodes of MISFETs Qt1, Qt2 of a plurality of memory cells. A second word line WL12B is extended in parallel with a first word line WL5. The line WL12 is composed of the same level layer as reference voltage wirings 12A. Thus, the resistance of the word line can be reduced by the formation of the second line 12B, and the stationary potential supply wirings 12A and the second line 12B to the memory cell are formed of the same layer, thereby reducing the manufacturing steps.
Patent JP-S57189303-A (JP)
Title: Recording and reproducing device
Inventor: TAKEUCHI MOTOHIKO
IPC: G11B20/02
Filed: 1981-05-14
Abstract: PURPOSE:To execute correction, by delaying one of the right and left audio signals, and after that mixing the right and left ones when recording, and delaying the other and matching the right and left timing when reproducing, and inputting the audio signal of the other channel to a part in which dropout has occurred. CONSTITUTION:Outputs of 2 frequency modulating circuits 4, 5 are provided to a mixing circuit 6 and are mixed. Subsequently, they pass through a recording circuit 7 and are recorded into a tape by a recording head 8. Also, a signal from a reproducing head 9 passes through a preamplifier 10, and after that, is separated into modulated waves of the RIGHT side and the LEFT side by fieltering circuits 11, 12. Dropout detecting circuits 13, 14 detect dropout from levels of these modulated waves. On the other hand, the respective modulated waves are provided to demodulating circuits 15, 16, are demodulated, and the LEFT side is delayed by the same extent as when recording, by a delaying circuit 17. Both RIGHT and LEFT sides pass through amplifiers 18, 19, and after that, are provided to dropout correcting circuits 20, 21, respectively.
Patent JP-S5559-A (JP)
Title: Preparation of immobilized bio-active substance
Inventor: KOJIMA HISAO
IPC: C07K17/08
Filed: 1978-06-14
Abstract: PURPOSE: To prepare an immobilized bioactive substance having the specific biological characteristics of collagen and the activity of the bioactive substance, by bonding collagen carrier with the bioactive substance through a compound (spacer) having a proper length.  
     CONSTITUTION: Bonding groups (e.g. azide group) are introduced into a coolagen carrier such as a molded soluble collagen, insolubilized collagen fiber, etc. e.g. by reacting with a cyan halide. The collagen carrier is pref. subjected to a proper pretreatment, e.g. methyl-esterification, to activate the functional groups of the carrier. A spacer having a functional group such as NH 2  group is introduced to the collagen carrier having the bonding group, and the bioactive substance (e.g. enzyme, antibody) is chemically bonded and immobilized to the collagen carrier through the spacer. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S59198945-A (JP)
Title: Nitrogen source for organic substance
Inventor: TORAUDERU KATSUHAHORUTSU
IPC: C12N1/00
Filed: 1984-04-12
Abstract: Products which are soluble without opalescence even at pH 3 and which, because of their reproducible composition, are particularly well suited as a source of nitrogen for organisms are obtained by enzymatic degradation of uniform microbial cell aggregates, using endoproteases, and isolation of the protein fraction up to 2,000 Dalton, preferably from 400 to 1,500 Dalton.
Patent JP-S61230310-A (JP)
Title: Coil winding machine
Inventor: ISHIDA MASAHIRO
IPC: H01F41/08
Filed: 1985-04-05
Abstract: PURPOSE:To enable automatic winding of a wire by providing a holder, a feeder, a transporter, an aspirator and a fitting/unfitting device of wires. CONSTITUTION:With the motion of the arm 62 of a wire feeder 12 in the direction approaching to a holder 11, a wire transporter 112 moves to the advance position together with a wire aspirator 125. A certain length of the wire 4 interposed between rollers 71, 72 is advanced in accordance with generation of a suction force in the aspirator 125, and cut with a cutter 164. The front edge of the wire 4 cut by the motion of the apparatus 126 to the advance position opposes against a square hole 5 of the head tip 3 to wind the wire 4. Then, the wound body 1 both end sections of which have been treated by cutting and adhesion with a terminal processing device 302 is pulled out of the means 11 by the operation of the fitting/unfitting device 8 to enable an automatic winding of a wire.
Patent JP-H02250042-A (JP)
Title: Optical amplifying device and semiconductor optical amplifier
Inventor: MURATA SHIGERU
IPC: H04B10/564
Filed: 1989-03-23
Abstract: PURPOSE:To obtain a constant gain even if ambient temperature varies and to constitute the optical amplifying device by a simple optical system by controlling a current applied to the semiconductor optical amplifier so that the photodetection level of a photodetector reaches a reference value. CONSTITUTION:The semiconductor optical amplifier 100 has a nearly proportional relation between the gain and naturally emitted light intensity and when the amplifier is driven with, for example, a constant current, the naturally emitted light intensity decreases if the gain decreases although the ambient temperature rises. For the purpose, this naturally emitted light intensity is monitored and a controller 300 varies the driving current of the semiconductor optical amplifier 100 so that the monitored value reach the reference value, the gain can be held nearly constant. Naturally emitted light is emitted from an active layer 130 in all directions, so the photodetector can photodetect the light even if arranged shifting from the optical axis. Consequently, even if the ambient temperature varies, the nearly constant gain is obtained and the constitution of the device which controls the gain by monitoring the naturally emitted light of the semiconductor optical amplifier is simplified.
Patent JP-H11274872-A (JP)
Title: Television receiver
Inventor: TEJIMA MISAO
IPC: H04N5/44
Filed: 1998-03-20
Abstract: PROBLEM TO BE SOLVED: To speedily correct the deviation of a transmission signal even when the level of the carrier of the transmission signal is small by controlling a tuning signal outputted to a tuner from a microcomputer by a control signal outputted from an RFAGC circuit. SOLUTION: This receiver is provided with the RFAGC circuit 4 controlling the gain of the tuner 2 according to the electric field intensity of an inputted RF signal and a tuning circuit controlling the tuning channel of the tuner 2 by a signal sent from the microcomputer 5. Then the tuning signal outputted from the microcomputer 5 is controlled by and RFAGC control signal outputted from the circuit 4. Namely, the RFAGC control signal is sent to the microcomputer 5 from the circuit 4. By sending a control signal to the microcomputer 5 from the circuit 4 like this, the deviation of the transmission signal can be corrected even when the level of the carrier of the transmission signal is small.
Patent JP-H04284707-A (JP)
Title: Fluctuating signal generator
Inventor: NISHIMOTO TETSUO
IPC: G06F7/58
Filed: 1991-03-13
Abstract: PURPOSE:To eliminate unnaturality of control due to a fluctuating signal by exerting a tendency of a centrifugal correction through the production of the fluctuating signal by the correlation noise system thereby preventing the occurrence of production in a way that the fluctuating signal is resident in either of positive and negative amplitude regions. CONSTITUTION:A white noise generator 1 is used as a noise signal generating source generating a prescribed noise signal, a fluctuating signal reference allowable range is designated by a coefficient CF1 generated by a coefficient generating section 2, and an arithmetic section 3 changes a preceding sample of the fluctuating signal within a change allowable range designated by the coefficient CF1 according to the white noise signal at random to correct the upper limit and the lower limit of the range so that the deviation is reduced. In order to correct the upper limit, a delay circuit 4, adders 5, 6, subtractors 7, 8 and a multiplier 9 are used and in order to correct the lower limit, multipliers 11, 12, a subtractor 13 and an adder 14 are used. Thus, a remarkable deviation from the reference value is avoided by using the fluctuation signal to control the pitch and the amplitude of a music tone.
Patent JP-S52155594-A (JP)
Title: Zeeman spectrochemical analyzer
Inventor: KOIZUMI HIDEAKI
IPC: G01N21/00
Filed: 1976-06-21
Abstract: PURPOSE:To obtian always stable analytical result with high accuracy, by arranging polarization dissolving means between specimen stomizing portion and spectroscopic portion as to cause optical axis of incidence side prism to be in the direction parallel to flux of light.
Patent JP-H01246337-A (JP)
Title: Zinc-based alloy
Inventor: KANEKO MIKIO
IPC: C22C18/02
Filed: 1988-03-25
Abstract: PURPOSE:To manufacture a mold having excellent mechanical strength and hardness by using a Zn-based alloy contg. specific amounts of Al, Cu, Mg, at least one kind of lanthanoids and Ag as the mold material for the molding of plastics. CONSTITUTION:A Zn alloy having the compsn. consisting of, by weight, 8-18% Al, 5-15% Cu, <0.2% Mg, 0.05-3% of at least one kind of lanthanoids from No.58 element of Ce to No.71 element of Lw, 0.1-3% Ag and the balance constituted of Zn is used as the material of a mold for the molding of plastics. The mold made of a Zn alloy having excellent mechanical strength and hardness and easy to cast and work can be manufactured.
Patent JP-S63239392-A (JP)
Title: Scroll compressor
Inventor: HARA MASAYOSHI
IPC: F04C29/00
Filed: 1987-03-25
Abstract: PURPOSE:To enable the reduction in power required for compressing a reexpansion fluid by providing a discharge valve mechanism in the discharge- port-communicating part so as to reduce the discharge port volume. CONSTITUTION:In the base plate 1a of a fixed scroll 1 in which a compression chamber 3 is formed by being combined with an oscillating scroll, a discharge port 4 through which the operating fluid from the compression chamber 3 is discharged is provided. And, a through hole 20 one end of which is communicated with the discharge port 4, and the other end of which is opened to the wall part of the base plate is provided. Further, a discharge valve 21 mechanism is provided in the discharge-port-communicating part on the inside of the through hole 20. Thus, since the volume of the discharge port can be reduced without significantly decreasing the strength of the base plate 1a, the reduction in the power efficiency due to the reexpansion fiuid can be prevented. Furthermore, since it is so constituted that the surface on the opposite side of the compression chamber of the fixed scroll base plate 1a is not subjected to a high pressure, the deformation or the like of the fixed scroll base plate 1a can be prevented.
Patent JP-H11271310-A (JP)
Title: Method for monitoring state of reference sample in automatic analyzing device
Inventor: ISHII KUNIAKI
IPC: G01N35/00
Filed: 1998-03-20
Abstract: PROBLEM TO BE SOLVED: To improve the reliability of analysis results, by measuring the absorbance of a reference sample at a photometric part, comparing this absorbance at the time of actual analysis with reference absorbance, and easily and reliably monitoring the state of the reference sample. SOLUTION: First, dispensation conditions such as the dispensation amount of a dilution and a reference sample measurement wavelengths at a photometric part 5, etc., are inputted to a computation control part 21 according to the reference sample. Then a reference sample container 19 is set at a reference sample setting table 18, and initial absorbance is measured and captured in memory in the computation control part 21. At the time when the need for the analysis of the reference sample occurs during the analysis of a normal sample, the absorbance of the reference sample is measured prior to sampling, and an evaluated value is computed on the basis of the measured value and the initial absorbance stored in the memory at the time of setting. In the case that the evaluated value lies out of a threshold value range, an alarm is issued.  In the case of lying in the range, a normal analysis processing is carried out to output analysis results.
Patent JP-H05227919-A (JP)
Title: Drink held in sealed container
Inventor: HIZAKI SHIGERU
IPC: A23L2/38
Filed: 1992-02-21
Abstract: PURPOSE:To obtain the title drink suitable for coffee drink, etc., suppressing growth of strict thermostable anaerobes, having excellent shelf stability, antimicrobial action and qualities, comprising a natural fumigated solution and a sucrose fatty acid ester. CONSTITUTION:The objective drink comprising (A) preferably >=0.02wt.% natural fumigated solution prepared by burning smoke wood such as pine tree or cherry tree and (B) preferably >=0.02wt.% sucrose fatty acid ester.
Patent JP-S55165945-A (JP)
Title: Coating composition for oil-stained surface
Inventor: NISHIO AKIO
IPC: C08G59/00
Filed: 1979-06-11
Abstract: PURPOSE: A coating compsn. for an oil-stained surface which can provide a fast and excellent film when applied to an oil-stained surface, comprising an aqueous epoxy resin containing an epoxide and a curing agent therefor.  
     CONSTITUTION: A composition comprising an aqueous epoxy resin containing an epoxide and a curing agent therefor. In order to improve adhesion to an oil-stained surface, cement or gypsum as a curing accelerator is added to said composition. Thereby, adhesion of the composition to an oil-stained surface is markedly improved. Moreover, addition of an inorganic or organic aggregate such as sand or  plastic beads to the composition above produced regulates the cohesive force of the  curing accelerator and makes it possible to obtain a uniform coating film. Examples  of the curing agent for the epoxide include amines, acids, acid anhydrides, alcohols  and mercaptans. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S551208-A (JP)
Title: Controller of automobile air conditioner
Inventor: HASHIMOTO NOBUYUKI
IPC: B60H1/32
Filed: 1978-06-15
Abstract: PURPOSE:To improve the acceleration of an automobile engine and reduce fuel consumption, by interrupting the function of a compressor use for an air conditioner during the engine acceleration. CONSTITUTION:A differential pressure switch 20 is composed of No.1 signal chamber 27 communicated to an intake manifold 13 of the engine through a negative  pressure delay valve 40, No.2 signal chamber 28 directly communicated to the intake manifold 13, diaphragm pistons 25, 26 displaceable in accordance with the pressure difference between both signal chambers, and of a lead switch 32 selectively functioning being communicated to the diaphragm pistons. This differential pressure switch 20 controls the function of the compressor through a solenoid clutch 50.
Patent JP-H09264624-A (JP)
Title: Compressor and refrigerating machine
Inventor: FUJII NOBUO
IPC: F25B9/00
Filed: 1996-03-27
Abstract: PROBLEM TO BE SOLVED: To secure a high Lorentz force and improve the efficiency by providing for the magnet for producing a magnetic field that by passage of an alternating current reciprocates a piston a hollow cylinder formed integrally of an alloy of neodymium-iron-boron and by polarizing the cylinder radially. SOLUTION: In a compressor used in a mechanical refrigeration machine, etc., supply of an alternating current to conductive wires 17a, 17b for coils 58a, 58b causes a Lorentz force to work on the conductive wires 17a, 17b in the direction of the axis of the yoke 54 through interaction with the permanent magnetic field produced by magnets 55a, 55b and, as a result, pistons 57a, 57b are reciprocated. In this instance the magnets 55a, 55b are formed each in the shape of a hollow cylinder by using an alloy of neodymium-iron-boron and by magnetizing them radially in each cylinder. By winding the conductive wire 17a on the inside cylinder 12 of the yoke 54 coaxially the current passed through the conductive wire 17a is made to flow perpendicularly to the permanent magnetic field at all points in the coil 58a and Lorentz force can be produced efficiently.