baber/WOPTO huggingface dataset:
Patent JP-H1084676-A (JP)
Title: Power conversion device
Inventor: YAMATO IKUO
IPC: H02M7/48
Filed: 1997-08-08
Abstract: PROBLEM TO BE SOLVED: To suppress spike voltage produced during commutation in a frequency conversion circuit and reduce circuit loss, by connecting a capacitor to a transformer in the direction in which the electric charges in the capacitor are regenerated to the transformer according to the polarity of the output of the transformer. SOLUTION: Immediately before the time t1 at which the voltage e2 of the secondary side of a transformer 3 becomes zero, a transistor 43 is in conduction, and a capacitor 709 is charged to a voltage two times the peak value Ed of the voltage e2 through the transistor 43 and diodes 705, 708. At time t1 , the voltage e2 is zeroed. Since the capacitor 709 has no discharge path, however, the voltage of the capacitor 709 is maintained. At the time t2 , a transistor 41 is turned off to commutate from the transistor 41 to the transistor 43, but accumulated energy of circuit inductance, such as leakage inductance, of the transformer 3 is absorbed into the capacitor 709 over the path of the diode 707 to the capacitor 709 to the capacitor 706 and to the transistor 43. The capacitor voltage is increased from 2Ed by the amount equivalent to absorbed energy.
Patent JP-S58113608-A (JP)
Title: Feed/discharge liquid valve
Inventor: BETSUPU KOUICHI
IPC: F16K17/168
Filed: 1981-12-28
Abstract: PURPOSE:To stabilize the cylinder pressure of a power recovery unit by providing a liquid feed side valve mechanism and a liquid discharge side mechanism, by connecting the liquid discharge port of the feed side mechanism to the liquid guide port of the discharge side valve mechanism, and by communicating the guide port and the discharge port to each other with a bypass passage. CONSTITUTION:A high pressure liquid is fed into the cylinder chamber 13 of a cylinder unit which is a power recovery unit from a liquid feed side valve mechanism 11, and the discharge liquid at the return stroke of a piston is discharged  through a liquid discharge side valve mechanism 12. A bypass passage with a  check valve is connected to a feed/discharge liquid connecting port 35 communicating the liquid discharge port 25a of the valve mechanism 11 and the liquid guide port 24b of the valve mechanism 12 to a cylinder chamber 13. Check valves in individual bypass passages are subject only to the pressure in the cylinder chamber 13 and the pressure in a high pressure liquid feed pipeline or the decompressed liquid discharge pipe and not to outside influences, thereby the cylinder pressure can be invariably kept at an optimum value.
Patent JP-H0263595-A (JP)
Title: Method and device for treating waste liquid
Inventor: TODO FUKUZO
IPC: G21F9/06
Filed: 1988-08-29
Abstract: PURPOSE:To efficiently oxidize and decompose org. matter by continuously acting hydrogen peroxide in the presence of iron ions, thickening a waste liquid, neutralizing a concd. liquid and subjecting the liquid to a solidification treatment. CONSTITUTION:The waste liquid is put into a reaction vessel 1 having a heater 11 for effecting the oxidation decomposition reaction of the org. matter and for thickening the waste liquid and it necessary, an acid is added thereto to maintain the liquid characteristic of the waste liquid at acidity. Respective chemicals of catalysts and hydrogen peroxide are supplied from tanks 3, 4, 5, 6 to such waste liquid in the presence of iron ions and (or) copper ions as the catalysts while the waste liquid is continuously supplied. The hydrogen peroxide is continuously acted in this way at the temp. below the b. p. of the waste liquid to oxidize and decompose the org. matter in the waste liquid and to thicken the waste liquid. The above-mentioned operation is stopped before the concn. of the salts in the waste liquid attains the solubility limit. The concd. liquid is then neutralized and is subjected to the solidification treatment. The residues from which the org. matter is decomposed away are nearly completely inorg.
Patent JP-H04345760-A (JP)
Title: Non-aqueous solvent battery
Inventor: OGINO AKIHIRO
IPC: H01M4/62
Filed: 1991-05-21
Abstract: PURPOSE:To enlarge a surface area, enhance liquid keeping characteristic, reduce inside resistance and increase a voltage capacity by using a carbon fiber as a conductive material. CONSTITUTION:A carbon fiber having a diameter of 35-70Angstrom  and an aspect ratio of 100 or more obtained by a vapor phase epitaxial method is used as a conductive material for a positive electrode of a non-aqueous solvent battery. In manufacturing the carbon fiber, an Fe(NO3)2 solution is dropped into alumina powder, thus obtaining wet powder, followed by heating and drying by the use of a high temperature plate. The powder is dispersed as a catalyst inside a reactor. After being heated up to 500 deg.C, the reactor is exposed to an argon atmosphere, and hydrogen is supplied. In this state, a temperature is raised to 1100 deg.C. Benzene saturated hydrogen is supplied into the reactor, followed by cooling. The resultant carbon material is dispersed in ethanol, thus obtaining a carbon fiber having a diameter of 40-200Angstrom . The carbon fiber, an active material and a binding agent are mixed in weight ratios of 5-15:80-94:1-5 respectively, to be molded into a pellet or the like, thereby obtaining a positive electrode mixture.
Patent JP-S60107031-A (JP)
Title: Photochromic plastic lens
Inventor: NAKAJIMA MIKITO
IPC: G02B1/10
Filed: 1983-11-15
Abstract: PURPOSE:To provide superior surface hardness to a lens by coating the surface of the lens with a composition contg. silica, a hydrolyzate or a partial condensation product of a silicon compound, an epoxy compound, dithizone mercury and a curing catalyst, curing the composition, and forming an antireflection film on the resulting film. CONSTITUTION:The surface of a lens is coated with a coating composition contg. colloidal silica, a hydrolyzate or a partial condensation product of a silicon compound represented by formula I (where R<1> is vinyl, amino, imino, epoxy, or the like, R<2> is H, hydrocarbon or the like R<3> is hydrocarbon, alkoxyalkyl or acyl, each of a and b is 0, 1 or 2, and a+b<=2), a multifunctional epoxy compound, a compound represented by formula II (where each of R<4>-R<9> and X is substituted aryl, and the substituent is halogen, hydrocarbon, alkoxyalkyl, carboxyalkyl, sulfonyl or the like) and a curing catalyst, and the composition is cured. An antireflection film is then formed on the resulting film.
Patent JP-H0498122-A (JP)
Title: Acoustic volumeter
Inventor: ISHII YASUSHI
IPC: G01F22/02
Filed: 1990-08-16
Abstract: PURPOSE:To know a volume of an object to be measured by coupling a measuring container and a reference container with each other through the intermediary of a single detection duct so as to constitute an acoustic bridge circuit, and by differentially applying alternate volumetric variations to the two containers by means of a vibration plate as a sound so as to energize the bridge circuit. CONSTITUTION:Zero is given when the output of a synchronized rectifier circuit 14 is V2=(l-l0/l0)V1, which shows that an acoustic bridge circuit is balanced. The balance condition thereof determined by the attachment position of a microphone 7 and the volume V1 of a reference container 1, and which gives a zero point that is remarkably stable in view of the measurement. This balance point can be set at an optional position by adjusting, for example the volume V1 with the use of a plug 9. For example, it is adjusted such that E0 becomes zero when the measuring container 2 is empty, that is, V2=V0. Thereby it is possible to measure the volume V3 of an object 3 to be measured which is very small, with a high degree of accuracy.
Patent JP-S59107091-A (JP)
Title: Tin plating solution of halogen type and plating method using said solution
Inventor: KARASAWA MASAAKI
IPC: C25D3/30
Filed: 1982-12-08
Abstract: PURPOSE:To decrease the generation of tin sludge in the plating method for using cyclically a tin plating soln. contg. Sn<2+>, fluoride and chloride by providing a stage for holding the plating soln. in inert gas in a circulation stage and maintaining the amt. of the oxygen dissolved in the soln. at a specific value or below. CONSTITUTION:A tin plating soln. which contains Sn<2+>, fluoride, and chloride returned from a plating cell flows through a piping 11 into a tank 15 sealed therein with gaseous N2. On the other hand, gaseous N2 14 is regulated of flow rate with a control valve 17 and is sealed through a piping 13 for sealing into a plating soln. 10 after it is made into fine foam in a foam generator 19. The plating soln. 10 which is thus decreased in the amt. of the oxygen dissolved therein to <=1ppm overflows through a piping 12 into a circulation tank where tin plating is performed. The gaseous N2 generating from the soln. 10 is recovered in a recovering device 16 and is cyclically used.
Patent JP-2001039138-A (JP)
Title: Suspension control device
Inventor: ICHIMARU OSAYUKI
IPC: B60R16/02
Filed: 1999-07-29
Abstract: PROBLEM TO BE SOLVED: To reduce radio noise by detecting the running condition of a vehicle, and setting the amplitude of dither current forming a command current corresponding to a desired damping characteristic and an applied current to a solenoid to a smaller value when the vehicle is substantially in the stop state as the detection result. SOLUTION: According to applied current to a solenoid 2 of a proportional solenoid valve 5 from a battery 1, a spool 3 is vertically displaced to adjust the passing amount of oil liquid 4 and change the damping characteristic of a shock absorber 6. The detection output of an acceleration sensor 7 is input to a controller 8 to compute a command current for obtaining desired damping force and dither current by a CPU 12, and then supply current where dither current is superposed on the command current is applied to the solenoid 2. As a result, when the vehicle is substantially in the stop state, the amplitude of dither current is set to a smaller value by a dither amplitude adjusting circuit 13 of the controller 8.
Patent JP-S6194414-A (JP)
Title: Electronic counter
Inventor: ITO TAKASHI
IPC: H03K23/66
Filed: 1984-10-16
Abstract: PURPOSE:To set plural program search positions only with a reset switch and a memory switch by using a memory which is stored with plural values, and generating a stop signal when a counter value attains to a value stored in the memory and performing stopping operation. CONSTITUTION:When one count pulse 5 is inputted to a counting part 1, the counted value is increased or decreased by one according to a counting direction signal. Then it is checked whether the memory switch 6 is pressed or not and a stop signal 7 is reset in normal mode where in the switch is not pressed, thereby stopping the processing. In program search mode in which the switch 6 is pressed, on the other hand, a memory reference index is set to '1' and the counted value is compared with the value stored in a memory 31 in a repetitive loop. When the counted value coincides with the value stored in the memory 31, the signal 7 is outputted and when not the index is set to '1' plus '1', i.e. '1' and the counted value is compared with the value in a memory 32. The signal 7 is reset unless no coincidence is obtained and the processing is finished.
Patent JP-S63158090-A (JP)
Inventor: TAKIGUCHI KIYOAKI
IPC: A63F7/02
Filed: 1986-09-12
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-S6195108-A (JP)
Title: Method and device of building partitioning weir in water
Inventor: ASAI KATSUTOSHI
IPC: E02B3/18
Filed: 1984-10-16
Abstract: PURPOSE:To easily construct a partitioning weir in water, by a method wherein, after an impermeable sheet, formed by bending it in a U-shape in cross section, is laid in water, the interior of the U-shaped part of the sheet is filled with sandy soil as impermeable layers are formed at proper intervals. CONSTITUTION:An impermeable sheet 3, having flexibility, is bent in a U-shape in cross section, permeable hoses 4 and 5, such as rubber hoses, are secured to upper edges on both sides and both sides of a bottom edge, and the one end of a pressure resistance pipe 6 is connected to the central part of the permeable hose 5 on the bottom edge. In a spot, where a partitioning weir is built in water, the permeable hose 4 is moored to a buoy 12 and the permeable hose 5 is moored to an anchor 13, and after a pressure air is fed in the hoses 4 and 5, the permeable sheet 3 is sunk in water. The interior of an U-shaped part 8a, surrounded by the inner and outer sheets 3 and filled with water, is filled with sandy soil 15 and impermeable soil 16 to complete a partitioning weir.
Patent JP-S59104813-A (JP)
Title: Longitudinal oscillation type piezoelectric oscillator
Inventor: NEGITA MUTSUMI
IPC: H03H3/02
Filed: 1982-12-07
Abstract: PURPOSE:To reduce the manufacturing cost by providing a recessed part to a part splitting an electrode at a side face of a main oscillating section so as to form easily the electrode. CONSTITUTION:Two electrodes 13, 14 are formed on a piezoelectric oscillator 12. Recessed parts 15, 16 are formed at the tip of a main oscillating section 19 and a recessed part 17 is formed at a crossing part of a tuning fork-shaped supporting section. Thus, the side face where a rcessed part is formed can be exposed even by a light perpendicular to a piezoelectric wafer. Thus, the electric split of the side faces is attained easily at the recessed parts 15-17. Further, since the exposure is attained only by a light perpendicular to the wafer, the accuracy of shape is improved. Moreover, since the alignment is attained easily by the exposure of the projection system and only one exposure is enough for the front and rear sides at the same time, the manufacturing cost is reduced.
Patent JP-S6285189-A (JP)
Title: Scroll compressor
Inventor: TSUNODA MASAYUKI
IPC: F04C18/02
Filed: 1985-09-27
Abstract: PURPOSE:To prevent the occurrence of deviated wear and seizure of a crank shaft, by a method wherein a radial bearing, supporting the crank shaft in a manner to incline it axially and circumferentially, is mounted to the crank shaft driving a slewing scroll. CONSTITUTION:A main bearing 10, positioned between a crank shaft and a main bearing housing 7 to support a crank shaft 4, is formed with plural pads 10a provided on its back with a spherical pivot 110. This, since a force, forcing the crank shaft to be inclined, is exerted on the crank shaft 4, enables the crank shaft 4 to be stably supported through inclination of the pads 10a, resulting in reliable prevention of the occurrence of seizure and deviated wear of the crank shaft 4.
Patent JP-S62169811-A (JP)
Title: Production of nitrile rubber
Inventor: KOTANI TEIZO
IPC: C08F220/42
Filed: 1986-09-12
Abstract: PURPOSE:To obtain a non-exudating nitrile rubber of excellent properties, by emulsion-polymerizing butadiene with acrylonitrile and a specified monomer by using a free radical catalyst. CONSTITUTION:Butadiene (A) is emulsion-polymerized with acrylonitrile (B) and a hydroxyalkyl (meth)acrylate and/or N-methylolacrylamide (C) by using a free radical catalyst. In this way, a rubber-like polymer having a Mooney viscosity of the formula and comprising 40-89wt% component (A), 10-50wt% component (B) and 0.5-20wt% component (C). Examples of component (C) with can be particularly desirably used include beta-hydroxypropyl (meth)acrylate and beta-hydroxyethyl (meth)acrylate.
Patent JP-S6372321-A (JP)
Title: Gaseous waste treating method
Inventor: BABA TSUTOMU
IPC: B01D53/22
Filed: 1986-09-16
Abstract: PURPOSE:To simplify a treatment system and separate hydrogen selectively, by treating radioactive gaseous waste with a hydrogen permeable membrane. CONSTITUTION:In place for a hydrogen-oxygen recombination device in a gaseous waste treatment system, a hydrogen separation column constituted with a hydrogen-permeable membrane is provided for separating hydrogen selectively. Conventionally, for treating hydrogen generated from radioactive gaseous waste, it is converted into water vapor by combustion with oxygen (air) in the recombination device. The recombination device, however, can be eliminated by utilizing a hydrogen-permeable membrane, and further a condenser and a gas-liquid separation device can also be saved. Thus, cost of equipment can be reduced and maintenance can be simplified. To be concrete, generated radioactive gaseous waste is introduced into a hydrogen separation column 5 through a suction pump 4, and hydrogen gas is separated efficiently by a hydrogen-permeable membrane 6, and is introduced into an adsorption column 7 to be absorbed and stored in a hydrogen occluding alloy 8.
Patent JP-2001045353-A (JP)
Title: Electronic image pickup device
Inventor: MIMOTO AKIHIRO
IPC: H04N5/907
Filed: 1999-07-29
Abstract: PROBLEM TO BE SOLVED: To obtain an electronic image pickup device for reducing power consumption, and for reducing battery exchange. SOLUTION: A receiving part 114 equipped with not only a memory or a transmitting and receiving circuit but also a start switch for generating a photographing start signal is mounted on a camera main body 113 provided with a shutter button 112 and the functions of a silver salt camera and a digital still camera. Also, the camera main body 113 is provided with an image pickup part 110 cooperating an image pickup element and a signal processing circuit and a transmitting and receiving circuit or the like to be inserted into the camera main body 113 instead of a film for transmitting a photographed image signal to the receiving part 114 according to the signal from the receiving part 114.  When the start switch 120 is operated, the image pickup part 110 is switched from a stand-by state in which current consumption is the minimum to a photographic mode in which each circuit is fully operable.
Patent JP-H0662458-A (JP)
Title: Remote control system
Inventor: URAKAWA TAIJI
IPC: H04Q9/00
Filed: 1992-08-13
Abstract: PURPOSE:To provide an inexpensive remote control system which can simply switch and set a timer function at the controller side as necessary and in response to each output circuit. CONSTITUTION:A signal deciding circuit 24 of a controller 8 fetches the electric signals sent from a wire switch unit or a wirelesssignal receiving part through a signal line 9 via a photocoupler 25. Then the circuit 24 turns on the off the transistors Q1... of each output circuit independently of each other based on the control data on the electric signal and then drives the relays Ry1... to turn on and off the load connected to the relay contacts r1... via a power supply. Furtheromre the circuit 24 performs the normal ON/OFF control by switching and setting the changeover switches SW1... and then switches the ON/OFF control to the timer control to actuate a timer function.
Patent JP-H0956960-A (JP)
Title: Noise control device of sewing machine
Inventor: KIYUU CHIYUUKI
IPC: D05B69/32
Filed: 1995-08-24
Abstract: PROBLEM TO BE SOLVED: To provide a noise control device of sewing machine, in which noise generated from a sewing machine in the rotating state is detected to actively reduce noise in an observation position. SOLUTION: According to a noise signal detected by a noise microphone 202 for detecting noise radiated from a sewing machine 203 and a detection noise of a microphone 205 for detecting the residual noise in an observation position, a control signal for interference with sewing machine noise is generated by a control part 201 so that the detection value of the residual noise microphone 205 in the observation position is minimum, and the control signal is applied to a speaker 204 for generating a control sound to be operated, thereby, noise in the observation position is actively reduced.
Patent JP-H1044673-A (JP)
Title: Ball-point pen
Inventor: UCHINO MASAHIRO
IPC: B43K7/02
Filed: 1996-07-29
Abstract: PROBLEM TO BE SOLVED: To provide a ball-point pen wherein a distict handwriting can be written on dark color paper such as black color paper, a discharge property of ink is excellent, and a counter flow preventive material does not generate a reversal phenomenon to the ink. SOLUTION: In a ball-point pen wherein ink and a counter flow preventive material of the ink are filled in an ink storing pipe wherein a ball pen point is fitted to its one end, and a float is arranged in the counter flow preventive material, the ink contains at least 25wt.% of titanium oxide to all amount of the ink. A difference in specific gravity (specific gravity of the inkspecific gravity of base) to the base used for the counter flow preventive material is 0.2 or under. For the float, its specific gravity is less than that of the base of the counter flow preventive material, and its shape is a cylinder of a diameter 0.2-1.1mm less than an inner diameter of the ink storing pipe.
Patent JP-H02141498-A (JP)
Title: Method for growing ingap crystal
Inventor: SONODA JUNICHI
IPC: C30B29/40
Filed: 1989-08-24
Abstract: PURPOSE:To obtain the crystal which has high quality and is adequate for a light emitting device by using a soln. specified in a component range and epitaxially growing the InGaP crystal at the specified temp. within a specific temp. range by a temp. difference liquid phase growth method. CONSTITUTION:An In metal and polycrystals of InP and GaP are put into the soln. pool of a melt chamber 1 and the chamber is housed in a quartz tube 7. Gaseous H2 is passed in the tube at about 2l/min flow rate to form an atmosphere. The chamber 1 is heated by a heater 6 to form the soln. 5 alloyed with the raw materials at about 1000 deg.C. The rate of the respective components to be charged are set in the range of formula I and formula II when the molar component ratios of the In, Ga, P are respectively expressed as XIn, XGa, XP (XIn+XGa+XP=1) as the total sum of the liquid phase component and solid phase component in the soln. 5. A refrigerant is passed in a cooling tube 8 and a slider 2 mounted with a substrate 4 is moved and is brought into contact with the soln. 5 when a prescribed temp. difference is generated between the upper and the lower of the mechanism. The InGaP crystal is thus grown on the substrate 4. The crystal is grown at the specified temp. within the 760 to 880 deg.C at this time.
Patent JP-S6195471-A (JP)
Title: Display control system of document processing device
Inventor: HOSHI YUKIO
IPC: G06F17/24
Filed: 1984-10-17
Abstract: PURPOSE:To efficiently proofread and edit without interrupting the thought of an operator by providing a display control section and a display scope buffer and the like and by making coincide a position of an inputting character string and a position noticed by an operator. CONSTITUTION:When a display control section 9 is actuated, it is judged whether an actuating source is kana (Japanese syllabary)/kanji (chinese character) conversion section 3 or a control device 4. When the actuating source is the conversion section 3, a character is inputted from the conversion section 3. Then, a character string is displayed from a renewed position on a display scope buffer 10. When the actuating source is control device 4, displayed immediately after the renewed position on the buffer 10 from a document memory 6. When the device 4 is actuated, a waiting condition comes for a fixed time and after the fixed time passes, a redisplay is actuated to the control section 9. Thereby, since an inputting character string position coincides with an operator's noting position, efficient correction and editing without interrupting the thought of the operator can be executed.