baber/WOPTO huggingface dataset:
Patent JP-H1189179-A (JP)
Title: Fan motor
Inventor: NAKAJIMA TAKESHI
IPC: F04D29/28
Filed: 1997-09-11
Abstract: PROBLEM TO BE SOLVED: To raise a concentricity of a rotor side with a stator side or a brushless motor by providing a stator coil at the stator side of the motor and a rotor pole made of a permanent magnet at the rotor side, and forming the rotor pole by magnetizing it to a plastic magnet of a fan, thereby eliminating necessity of adhering the pole. SOLUTION: A fan 2a is a crossflow fan long in an axial direction, and formed of a plastic magnet. The plastic magnet is formed of magnet particles such as ferrite or the like and plastic of binder (e.g. nylon). The fan 2a has a cylindrical part 2d extended from a side plate 2c of a motor side to an outer periphery of the motor. Rotor poles 5a are formed at sites opposed to a rotor core of the motor on the part 2d. The poles 5a are magnetized in the case of molding the fan 2a. Thus, adherence of the poles 5a is not necessary. And, high concentricity of a rotor side with a stator side can be obtained.
Patent JP-S6488520-A (JP)
Title: Liquid crystal display device
Inventor: OTANI AKINARI
IPC: G02F1/133
Filed: 1987-09-30
Abstract: PURPOSE:To always obtain a satisfactory image in a wide range of angle of visibility by dividing the orienting direction of a liquid crystal molecule into plural areas in one pixel, and setting different orienting directions in each area. CONSTITUTION:The orienting direction of the liquid crystal molecule is divided into the plural areas in one pixel, and different orienting directions are set in each of the areas. In other words, the orienting direction of the liquid crystal molecule is divided into the plural areas in one pixel 100, and the orienting direction is classified to two kinds such as A and B. In such a way, it is possible to obtain the satisfactory image in which no inversion of black and white is generated and without generating void on the whole of a picture in spite of the angle of visibility by averaging the whole parts in the whole of one pixel even when the inversion of black and white is generated at a certain part in an image or the void at a certain part.
Patent JP-H04126375-A (JP)
Title: Manufacture of electrolyte circulating type battery
Inventor: KUMADA KOICHI
IPC: H01M12/08
Filed: 1990-09-17
Abstract: PURPOSE:To intend early relaxation of component material for a battery mainframe and improve sealing performance by circulating electrolyte in the battery mainframe after the temperature rises to a certain value. CONSTITUTION:Power is supplied from a power supply device to heating devices 20a, 20b for heating. As a result, electrolyte in electrolyte tanks 11, 12 gets warm and when the temperature of the electrolyte is at a set temperature of 40 deg.C, e.g. feed pumps 18, 19 are operated to supply the electrolyte from the electrolyte tanks 11, 12 to a battery mainframe 13 via feed pipes 14, 15 and return from return pipes 16, 17 to the electrolyte tanks 11, 12. Synthetic resin out of component material for the battery mainframe 13 is softened as the electrolyte gets warm, resulting in material relaxation. In this way, when the battery mainframe 13 is fastened with bolts and nuts, fastening force becomes strong to prevent the leakage of electrolyte and improve sealing performance.
Patent JP-H0293580-A (JP)
Title: Image projection device
Inventor: NISHIKAWA SUSUMU
IPC: H04N5/74
Filed: 1988-09-30
Abstract: PURPOSE:To improve the utilization efficiency of a light beam and to improve the brightness of projection light by disposing specular surfaces to a light source and a polarization beam splitter and also arranging a lambda/4 plate between the light source and polarization beam splitter. CONSTITUTION:A specular surface 6 is provided behind the light source 1, a specular surface 7 is provided on the opposite surface of the polarization beam splitter 2 from the light source 1, and the lambda/4 plate 8 is provided between the light source 1 and polarization beam splitter 2. A light beam from the light source 1 is made incident on the polarization beam splitter 2, only the S wave component in the light beam is reflected to illuminate a liquid crystal valve 3, and the P wave component in reflected light which is made incident on the polarization beam splitter 2 again is passed, so that a light beam which accords with the light and shade of an optical image is projected on a screen 5 through a lens 4. Consequently, the utilization efficiency of the light beam is increased and the brightness of the projection light is improved.
Patent JP-H04125218-A (JP)
Title: Conveyor device
Inventor: YOSHIDA YUTAKA
IPC: B65G43/00
Filed: 1990-09-17
Abstract: PURPOSE:To shorten a construction period by way of carrying out a device individual test before installation of a cable by way of providing an operation means to instruct the test of each control equipment and devising it possible to carry out the test of each control equipment in accordance with an input signal of the operation means to a control means of the control equipment. CONSTITUTION:A drive mode of a sequencer 3 has.a manual mode to individually start a motor 8 and a lifter unit 10 and a test mode to carry out an actual load test of the motor 8 and the lifter unit 10 at the time of delivery by way of inputting a detection signal of a load presence detector 15. Additionally, there is an automatic mode to carry out an actual drive with an input instruction signal from a central control panel 4. These modes are selected by combination of an. automatic/manual selection switch 6 and a test 1, 2 selection switch 7. Consequently, when an operation signal of a start switch 9 of the motor 8 and a start switch 11 of the lifter unit 10 are input under the manual mode, it is possible to start individually and carry out running-in during that time, and easy to adjust it.
Patent JP-H1186939-A (JP)
Title: Non-screw terminal block
Inventor: INAGUMA AKINORI
IPC: H01R9/22
Filed: 1997-09-11
Abstract: PROBLEM TO BE SOLVED: To operate a release lever by use of a broad minus driver even if the width of a non-screw terminal block is narrowed by forming a recessed part for operating the head part of the release lever over the whole width of a terminal block body. SOLUTION: A recessed part 12 for inserting the tip of a minus driver to operate a release lever 3 is formed on the upper surface of a terminal block body 1. The recessed part 12 is formed over the whole width of the terminal block body 1. Therefore, even if a narrow non-screw terminal block is closely arranged, the release lever 3 can be operated by inserting the tip of the minus driver. Even if the width of the tip of the minus driver is larger than the whole width of the terminal block body 1, the operation can be performed without touching the adjacent release lever 3 by tapering the head part of the release lever 3.
Patent JP-H09127563-A (JP)
Title: Device and method to change spectral characteristics of optical signal
Inventor: MATSUSHIMO ARUTEIGURIA
IPC: H04B10/29
Filed: 1996-08-30
Abstract: PROBLEM TO BE SOLVED: To improve spectrum conversion efficiency. SOLUTION: On the basis of a solving method known as spectrum inversion (or light phase conjugation), a spectrum is changed. This device 1 generally includes a medium like a dispersion shift optical fiber 4. A signal to be varied is sent in the optical fiber together with a pump signal of level which causes modulation unstableness in the fiber 4. A spectrum-inverted light signal is obtained as the output of the fiber 4 and varied in wavelength and its conversion efficiency is high. The spectrum of the pump signal is preferably expanded by, for example, a modulator 5 so as to evade induced Brillouin scatter.
Patent JP-H0885904-A (JP)
Title: Aseismic device of floating slab
Inventor: HAYASHIDA TOSHIHIRO
IPC: F16F15/04
Filed: 1994-09-16
Abstract: PURPOSE: To provide an aseismic device of a floating slab having sufficient aseismic performance against earthquake by providing a vertical direction aseismic device and/or a horizontal direction aseismic device between a base structure and the floating slab. CONSTITUTION: A plurality of vibration control units A are interposed between a base structure 1 and a floating slab 2. The vibration control unit A is constituted of a metallic upper plate, a metallic lower plate, multiple compression coil springs, a plurality of vertical direction aseismic devices, and a horizontal aseismic device. When the base structure 1 is vibrated due to an earthquake, vertical motion of the vibration is transmitted to an aseismic bolt via the lower plate of the vibration control unit A. When the aseismic bolt is moved in the vertical direction, elastic materials added to an upper face and lower face of a top part elastically collide with a lower face, holding part and the like of the floating slab 2 to damp motion of the floating slab 2.  Also, horizontal direction vibration of the base structure 1 due to an earthquake is transmitted to a bracket via the lower plate of the vibration control unit A, absorbed and damped by a lamination rubber, and vibration of the floating slab 2 is thereby prevented.
Patent JP-H03175321-A (JP)
Title: Method and apparatus for measuring back pressure of engine exhaust
Inventor: APARISHIO HOSE GOMESU
IPC: G01F1/86
Filed: 1990-09-17
Abstract: PURPOSE: To achieve a remote measurement of an exhaust back pressure in a crank case by measuring the amount of air brought into a cylinder based on an average back pressure value at an exhaust port during an overlap period of a suction port and an exhaust port of a cylinder. CONSTITUTION: An engine is so designed that a suction port 34 and an exhaust port 26 are opened simultaneously in a rotating interval of 120-240 deg. after an upper dead point within a cylinder 14. A sample value of a crank case pressure signal CCP provided from a pressure sensor 46 is averaged during a specified partial period of an open overlap duration of a suction port 34 and an exhaust port 26 to measure a back pressure generated at the exhaust port 26. At this point, the start of the overlap duration is determined from an angle input and an upper dead point input of the cylinder 14 into a computer 56 indicating the position of the rotation of the engine 10. Then, the cylinder air supply efficiency of the engine 10 is corrected based on a value of the exhaust back pressure thus measured and the resulting correction value is used to calculate a proper pulse value of a fuel for controlling the engine, a timing of an igniter and an advance of ignition.
Patent JP-2001072431-A (JP)
Title: Method and apparatus for producing preform for optical fiber
Inventor: OGINO TAKESHI
IPC: C03B37/018
Filed: 1999-09-01
Abstract: PROBLEM TO BE SOLVED: To minimize the fluctuation in characteristics of a porous preform or a preform in lots or between the lots by controlling the temperature of a gas fed to a mass flow controller installed in a gas feeding system constant. SOLUTION: A control system for controlling the temperature of a gas fed to mass flow controller installed in a gas feeding system constant is provided when producing a preform for an optical fiber. The gas is fed from gas producing equipment 7 through an outdoor pipe 9 and an indoor pipe 10 to production equipment 8 to change the temperature under the influence of the air temperature in the part of the outdoor pipe 9. As countermeasures for the temperature change of the gas, e.g. the part of the outdoor pipe 9 is formed into a double pipe and a liquid is made to flow through an outer pipe to regulate the temperature of the liquid with a circulating liquid temperature controller 13. The outside of the pipe is further coated with a heat insulating material to improve the controllability.  The gas temperature may be regulated by forming the whole pipe into one system; however, the controllability of the gas temperature is more improved by dividing the pipe into plural blocks and controlling the gas temperature by the resultant plural systems.
Patent JP-H0985393-A (JP)
Title: Molten metal pouring nozzle for belt wheel type continuous caster
Inventor: HOSOKAWA FUMIHIRO
IPC: B22D41/50
Filed: 1995-09-26
Abstract: PROBLEM TO BE SOLVED: To provide a molten metal pouring nozzle for a belt wheel type continuous caster, which obtains a cast block having high quality. SOLUTION: In the molten metal pouring nozzle for the belt wheel type continuous caster, the cross sectional area of molten metal passage at the tip part 18 of the molten metal pouring nozzle 10 is narrowed to 0.6 times of the cross sectional area of the cast block. Since the molten metal passage of the molten metal pouring nozzle 10 is narrowed at the tip part, flow speed of the molten metal at the tip part of the molten metal pouring nozzle is quickened, and the deposit and the coarsening of high m.p. compound at the tip part of the molten metal pouring nozzle 10 are restrained, and the mixture thereof into the cast block is prevented. Therefore, the high quality cast block is obtd.
Patent JP-H0678218-A (JP)
Title: Solid-state image pickup device
Inventor: TAKAYANAGI ISAO
IPC: H04N5/341
Filed: 1992-08-25
Abstract: PURPOSE:To provide an XY address type solid-state image pickup device capable of canceling FPN of offset property in real time without using a frame memory and increasing a chip area. CONSTITUTION:CMD picture elements 1-11 to 1-44 are arranged in two-dimensional fashion, and the gate terminal of each row is arranged by connecting commonly to vertical selection lines 5-1 to 5-4, and the source terminal of each column is arranged by connecting two column lines 8-1a to 8-4b alternately. The two column lines are connected to two video lines 4-1, 4-2 via a pair of transistors 2-1a to 2-4b for column selection driven commonly, and the two video lines 4-1, 4-2 are connected to signal lines 11-1, 11-2 via change-over switch groups 9-1 to 9-4. The signal line 11-1 is inputted to a differential amplifier 14 via a current/voltage conversion amplifier 12-1 and a delay circuit 13, and the signal line 11-2 is inputted to the differential amplifier 14 via a current/ voltage conversion amplifier 12-2, then, a differential signal of them is outputted.
Patent JP-S62111177-A (JP)
Title: Reciprocating compressor
Inventor: UENO TAKEYASU
IPC: F04B35/00
Filed: 1985-11-06
Abstract: PURPOSE:To form a compressor in a compact size, by rotatably, supporting a casing of a fixed displacement pump with a big end part of a connecting rod and controlling a flow amount, delivered from the fixed displacement pump, by a valve. CONSTITUTION:A fixed displacement pump 6 is formed by an inner rotor 6a, outer rotor 6b, casing 6e and a side plate 6c. The casing 6e is rotatably supported to a big end part 5c of a connecting rod 5, and a piston 3 is fitted to a cylinder 2a in a manner being able to perform reciprocating motion in the vertical direction. And a compressor, in which a flow amount Q delivered from the fixed displacement pump 6 is controlled by a valve 7, enables clutch action to be performed. In way, the reciprocating compressor containing a clutch can be formed in a very small size.
Patent JP-H0992541-A (JP)
Title: Inductance component
Inventor: AOYANAGI ATSUSHI
IPC: H03H7/42
Filed: 1995-09-26
Abstract: PROBLEM TO BE SOLVED: To obtain an inductance component for wide-band high frequency use without sacrificing the low-loss characteristics. SOLUTION: A laminated inductance component is constituted in such a way that the real number part μ' of the complex ratio permiability of a magnetic material constituting one part of a base for the component or the whole base is in a range between 5 to 22 in a frequency range between 10MHz and 300MHz and/or the real number part ε' of the complex ratio dielectric contact of the magnetic material is 16 or less in a frequency range between 10MHz and 1GHz.
Patent JP-H0584980-A (JP)
Title: Dot matrix printer
Inventor: OTSUKA SHUJI
IPC: B41J19/18
Filed: 1991-09-26
Abstract: PURPOSE:To perform a high-density printing without changing the carriage travel speed. CONSTITUTION:A printer control means 21 contains a printing means 32 horizontally making printing at 1/H intervals while moving a carriage; a printing dot selection means 31 horizontally shifting a dot position per 1/mH while transmitting printing data at 1/H intervals; and a paper control means 33 vertically moving paper by an amount of 1/nV.
Patent JP-H0693311-A (JP)
Title: Production of superfine particle-dispersed liquid
Inventor: INOUE TAKAO
IPC: B22F9/14
Filed: 1992-09-17
Abstract: PURPOSE:To obtain an insulating liq. in which the superfine particles of uniform diameter are uniformly dispersed by arranging the electrodes formed with a material constituting the desired superfine particle in opposition to each other and allowing an insulating liq. to flow between the electrodes to generate an electric discharge. CONSTITUTION:The electrodes 1 and 2 formed with a material (Au, solder, etc.) to constitute the desired superfine particle 5 are arranged at a distance of about 100-0.1mum from each other. A voltage is impressed between the electrodes 1 and 2 from a power source 3 to generate an electric discharge, an insulating liq. 4 (pure water, insulating oil, etc., having >=10<+2>OMEGA.cm resistivity) is allowed to flow between the electrodes 1 and 2 to continuously move at least one of the electrodes 1 and 2. Consequently, the electrodes are consumed by the discharge, the generated superfine particles 5 (having <=5mum average diameter) are entrained by the liq. 4, and the liq., in which the superfine particles are uniformly dispersed, is obtained without the superfine particle 5 being deteriorated.
Patent JP-S6490868-A (JP)
Title: Urethane coated steering wheel
Inventor: USHIDA YOSHIO
IPC: C08G18/10
Filed: 1987-09-30
Abstract: PURPOSE:To achieve stable and soft feeling which is not influenced by ambient temperature, in a steering wheel where the section to be coated is formed with integral skin form of semi-hard polyurethane, by employing a specific partially deformed MDI as poly-isocyanate component in the semi-hard polyurethane. CONSTITUTION:A urethane coated steering wheel comprises a core metal section 1 and a coated section 3 formed with an integral skin form of semi-hard polyurethane. Polyether polyol component is employed in the semi-hard polyurethane, while mixture series polyisocyanate component having partial denaturation MDI/polymeric MDI=9/1-6/4 (weight ratio) is employed. The partial denaturation MDI contains carbo-ji-imid denatured material and urethane denatured material, which is denatured with glycol having average molecular weight of 1,000-6,000.
Patent JP-2000125482-A (JP)
Title: Automotive electric system
Inventor: GRANBERG ANDERS
IPC: F02N11/08
Filed: 1999-09-01
Abstract: PROBLEM TO BE SOLVED: To provide a method with which two batteries included in a double- battery type automotive electrical system can be surely and easily separated from each other. SOLUTION: In a double-battery type automotive electrical system 1 which has a generator 6 and two batteries, i.e., a starter battery 3 and a user battery 7, a charge regulator 9 is provided between the generator 6 and the starter battery 3 so as to separate the two batteries from each other and the charging current of the starter battery 3 is regulated.
Patent JP-S63104618-A (JP)
Title: Production of composite hollow fiber membrane
Inventor: KAWADA HIROSHI
IPC: B01D69/08
Filed: 1986-10-20
Abstract: PURPOSE:To uniformly cover and form an ultrathin membrane of 0.01-0.5mu on the surface of a fibrous material by continuously running a support consisting of a hollow fibrous porous membrane having constant pore diameter in such a state that is penetrates a water-surface developing membrane and shifting the water-surface developing membrane on the surface of this support. CONSTITUTION:After forming a water-surface developing membrane 5 by developing a polymer soln. discharged through a feed port 3 thereof on the water surface 12, the membrane 5 is stored in a storage tank 7 of the polymer via a conveyor 4 and reused. Then a hollow fibrous porous membrane 6 having <=2,500Angstrom  maximum pore diameter is run at the position wherein the membrane 5 positioned in the intermediate part between the feed port 3 and the conveyor 4 desirably has fluidity to a water layer side from the opposite side of the water layer in such a state that the porous membrane 6 penetrates the membrane 5 and this membrane 5 is shifted on the surface of the porous membrane 6. This porous membrane 6 covered in such a way is fed to the outside of a water-surface developing apparatus with a fiber feeding roller 13.
Patent JP-S61126157-A (JP)
Title: Thermoplastic resin composition having excellent resistance to heat and impact
Inventor: NAKAI YOSHIO
IPC: C08L33/04
Filed: 1984-11-22
Abstract: PURPOSE:To improve resistance to heat and impact, by blending a graft copolymer having a specified composition and structure with a methyl methacrylate/alpha- methylstyrene/styrene/maleic anhydride tetracomponent copolymer. CONSTITUTION:A graft polymer (III) is blended with the above tetracomponent copolymer (I). The graft polymer (III) is prepd. in the following manner. 0.1-5 pts.wt. salt of an oxyacid (e.g. potassium sulfate) is added to 100pts.wt. (on a polymer basis) of latex of a rubbery copolymer (II) composed of 30-99wt% 2-8C alkyl acrylate unit, 70-1wt% 1,3-butadiene unit and 10-0wt% vinyl monomer unit prepd. byemulsion polymn. to obtain an enlarged rubbery copolymer (III)' latex. 10-1,000pts.wt. monomer contg. at least 50wt% styrent or methyl methacrylate is polymerized in the presence of 100pts.wt. enlarged rubbery copolymer (II)' latex to obtain the graft polymer. 1-70wt% said enlarged rubbery copolymer (II)' is incorporated in the compsn.
Patent JP-H1164323-A (JP)
Title: Hardness indicator
Inventor: TATENO KAZUHIRO
IPC: G01N31/00
Filed: 1997-08-27
Abstract: PROBLEM TO BE SOLVED: To provide a hardness indication which has high reactivity to a very small amount of Ca<2+4> and does not deteriorate quickly in a high-temperature environment of >=50 deg.C. SOLUTION: A hardness indicator is prepared by mixing Mg-EDTA in a main component composed of EBT(Eriochrome Black T), a pH buffering agent, and a masking agent or by mixing Mg-EDTA prepared by removing water molecules from the hydrate of the Mg-EDTA in the main component composed of the EBT, pH buffering agent, and masking agent. Alternatively, the indicator is prepared by mixing Mg-EDTA prepared by removing water molecules from the hydrate of the Mg-EDTA and a reducing agent in the main component composed of the EBT, pH buffering agent, and masking agent or mixing Mg- EDTA and reducing agent in the main component composed of the EBT, pH buffering agent, and masking agent. The indicator can also be prepared by mixing the reducing agent in the main component composed of the EBT, pH buffering agent, and masking agent.