baber/WOPTO huggingface dataset:
Patent JP-H07193331-A (JP)
Title: Gaas substrate for light-emitting element
Inventor: KAMAKURA TAKANOBU
IPC: H01S5/00
Filed: 1993-12-27
Abstract: PURPOSE:To provide a GaAs substrate for light-emitting element, on which a light-emitting element having an active layer of a low surface defect density, that is, a light-emitting element, which is high in luminous efficiency and is hardly deteriorated, can be obtained at low cost. CONSTITUTION:A carrier concentration in a GaAs substrate for light-emitting element, which is used as a substrate of a light-emitting element using a quaternary mixed crystal or a ternary mixed crystal grown epitaxially on the above substrate as an active layer, is set at a concentration of 1X10<17> to 3X10<18>cm<-3>. Accordingly, in the case where the active layer is formed by epitaxially growing the quaternary mixed crystal or the ternary mixed crystal on the GaAs substrate for light-emitting element, the surface defect density of this active layer can be reduced.
Patent JP-H04200285-A (JP)
Title: Controller for servomotor
Inventor: TOUDA TETSUYA
IPC: H02P29/00
Filed: 1990-11-28
Abstract: PURPOSE:To improve the follow-up property of a controller when a speed commanding input or a load torque is changed by a method wherein a fuzzy reasoning device employs a speed commanding signal, the derivative value of the same and a speed difference value as the variable inputs of the same while the output of the same is added to the input of a proportional integrating controller. CONSTITUTION:A fuzzy inference device 18 employs a speed deviation epsilon(epsilon= v0-V1) between the output of a speed detector 12 or a positional information V1 and a position commanding signal V0 as the first variable of the same. The output of a speed commanding device 14 or the position commanding signal V0 is employed as the second variable of the same and a value, obtained by differentiating the position commanding signal V0 by a differentiator 15, is employed as the third variable of the same that is speed information alpha in the same manner. An output (f1), obtained by employing these 3 variable through fuzzy operation, is added to the input of proportional controller 16 while an output (f2) is added to the input of an integrating controller 17 respectively. The speed deviation epsilon, the speed commanding signal V0 and an acceleration alphaare explained by fuzzy variables, explained by a fuzzy expression of a fuzzy variables, which is small or very large, while respective fuzzy variables are defined with a membership function.
Patent JP-H033628-A (JP)
Title: Method and device for extracting current from rotary electric machine
Inventor: HEKUTAA OZUWARUDO BONSE
IPC: H02K3/50
Filed: 1989-12-21
Abstract: PURPOSE: To facilitate current measurement, repair and design revise of winding by connecting a stator winding projecting from one end part of a stator core not directly but connecting it temporarily with a terminal plate so that the order for connecting the winding can be altered. CONSTITUTION: Three-phase coil pieces 28a, 28b (only one is shown on the drawing) projecting front the stator core 14 of an electric rotating machine 10 applied with a coil 28 are not connected directly but connected temporarily with a terminal plate P as conductive rings 30a-30f by forming two terminal components for each phase. The terminal plate P is connected with main leads 34a-34f to be lead out externally. Current measurement, repair and alteration of connection are performed using the main leads 34a-34f. According to the arrangement, coil current of a large electric rotating machine can be taken out and measured easily and the coil can be repaired or revised in design easily.
Patent JP-H08248234-A (JP)
Title: Method for removal of covering material from fiber optic cable and apparatus for execution of said method
Inventor: UIRIAMU JIEIMUZU MIRAA
IPC: G02F1/313
Filed: 1995-11-29
Abstract: PROBLEM TO BE SOLVED: To remove coating from a coated optical fiber simply and at a low cost by feeding a high-temperature gas flow which does not react with a coating material and softens the coating material to a part from which the coating material is removed. SOLUTION: In a device for removing a coating material from a coated optical fiber 10 comprising a glass optical fiber 11 and a coating 12, an inactive gas from a supply source 16 is supplied to an inlet pipe 23 of a tube heater 20 through a filter 17 and a flow meter 18, and heated to be jetted as a gas jet 24 from a nozzle. The inactive gas is composed of nitrogen, argon and its mixture, and the gas will not react with a fiber coating material and delays burning of coating material. A tube heater 20 can turn on the axis 22 and move along the axis 22, and the coating material is removed between a point (a) and a point (b) by a hot gas jet 24 along the coated optical fiber 10 held between clamps 14, 15.
Patent JP-H04197469-A (JP)
Title: Method for coating building material
Inventor: KABETANI HIDEO
IPC: B05D1/04
Filed: 1990-11-28
Abstract: PURPOSE:To form a film having uniform thickness and to perform efficient coating by specifying not only the viscosity of coating material but also the solid concn. of the coating material or the water content of a building material to apply electrostatic coating to the building material. CONSTITUTION:Lines of electrostatic force are generated between a spray gun 12 and a panel 11 by applying negative DC high voltage to the spray gun 12 and positive DC high voltage to the panel 11 and the paint 13 in the spray gun 12 negatively charged by an electrode 15 is finely atomized by air. The finely atomized coating particles 14 are bonded to the panel 11 along the lines of electrostatic force. The viscosity of the coating material 13 used at the time of electrostatic coating is 8-60sec (50-2000cPs) on the basis of the Iwata cup [NK-2, Iwata Painting machine KK] and the solid concn. thereof is 5-65wt.%. Next, the coated panel is forcibly dried for about one hr after electrostatic coating to obtain the autoclave aged lightweight aerated concrete panel 11 related to this example. By this method, a film having uniform thickness can be formed and efficient coating becomes possible.
Patent JP-H02176325-A (JP)
Title: Heat cooking apparatus
Inventor: YOSHIMURA HIROBUMI
IPC: F24C15/34
Filed: 1988-12-27
Abstract: PURPOSE:To prevent the heat in the heating chamber from escaping from the door rim and reduce the body casing temperature so it may not be too hot when touched by disposing a dielectric between the door periphery and the body casing. CONSTITUTION:A door 2 through which the foodstuff is taken in and out is movably installed in the front of the heating chamber 1 in which the foodstuff is heated. Heaters 3, 4 are disposed outside of the upper and lower parts of the heating chamber 1 with an insulating material inbetween so as to heat the heating chamber 1. Between the heating chamber 1 and the door 2, the door rim 5 is formed integrally with the heating chamber 1, and the body casing 6 is installed outside the door rim 5 through a frame 7 made of heat-resistant dielectric. The interior of the heating chamber 1 can be heated by a high-frequency dielectric heater as well. In order to prevent the uneven heating by the high-frequency dielectric heating, a turn table 9 which is rotated by a motor 8 is provided.
Patent JP-2001146277-A (JP)
Title: Pet bottle housing container
Inventor: TOYOMURA YOSHINOBU
IPC: B65D81/38
Filed: 1999-11-24
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive PET bottle housing container which does not wet hand or a desk by condensation, has a proper cold-insulation function, and in addition, can correspond with a delicate change in the shape of a PET bottle. SOLUTION: This PET bottle housing container comprises a cylindrical case body 1 which wraps the periphery of a PET bottle 7 under a state wherein a cap 8 protrudes, and an upper lid 2 and a bottom lid 3 which are detachable and close the upper and lower openings of the case body 1. In this case, a bent wall 5 of which the cross section is formed into an inverted U-shape is integrally molded around the upper opening 4 of the case body 1. Then, on the internal surface sides of the bent wall 5 and the bottom lid 3, press-contact bodies 6a and 6b comprising a member which has elasticity and is hard to slip are provided.
Patent JP-H02178345-A (JP)
Title: Thermoplastic resin composition
Inventor: SAKAI TAKESHI
IPC: C08L55/02
Filed: 1988-12-28
Abstract: PURPOSE:To obtain the title composition improved in molding processability by blending a specified amount of specific methacrylate polymer with a high- nitrile elastomer-aromatic vinyl-vinyl cyanide copolymer. CONSTITUTION:The objective composition can be obtained by blending (A) 100 pts.wt. of an elastomer-aromatic vinyl-vinyl cyanide copolymer containing 40-90 (pref. 40-75) wt.% of vinyl cyanide unit and/or an aromatic vinyl-vinyl cyanide copolymer containing 40-90wt.% of vinyl cyanide unit with (B) 0.5-10 pts.wt. of a methacrylate polymer containing >=25 (pref. >=40) wt.% of methacrylate unit.
Patent JP-H04202166-A (JP)
Title: Cyclobutenedione derivative and its production
Inventor: FU RYUJUN
IPC: C07C49/753
Filed: 1990-11-29
Abstract: NEW MATERIAL:Compounds of formula I [R1 and R2 are alkyl; R3 is formulae IV-VII (C* is asymmetric C)]. EXAMPLE:1-(3',4'-Dimethoxyphenyl)-2-(1'-hydroxymethyl-2'-phenylethylam ino)- cyclobutene-3,4-dione. USE:A non-linear optical material showing high non-linear characteristics and excellent in heat resistance, light resistance, shelf life and workability. PREPARATION:A cyclobutenedione derivative of formula II (X is Cl, Br, methoxy or ethoxy) is allowed to react with an amino acid derivative of formula III to obtain the objective compound of formula I.
Patent JP-H11149046-A (JP)
Title: Vertical type fluorescent light illumination device of microscope and its filter unit
Inventor: SAKAMOTO SHINOBU
IPC: G02B5/28
Filed: 1997-11-18
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive vertical type fluorescent light illumination device and its filter unit without the movement of an image accompanying changeover of the filter unit and having no trouble. SOLUTION: This vertical type fluorescent light illumination device is provided with a light source for emitting illuminating light, a collector lens for converging the illuminating light, excitation filters 11a-11c for transmitting light having a desired wavelength through from among the illumination light beams, a dichroic mirror 12 for reflecting light passed through the excitation filters 11a-11c and transmitting fluorescent light excited on a sample through it and an absorption filter 13 transmitting only the fluorescent light through it.  In this case, The dichroic mirror 12 is composed of a glass blank 20 and plural thin films 20a-20b formed on the glass blank 20 and having wavelength selecting characteristics being different from each other, the absorption filter 13 is composed of by adding plural thin films 30a-30b formed on the glass blank 30 and having wavelength selecting characteristics being different from each other to a glass blank 30 and the thin films 20a-20c, 30a-30c are selectively inserted in the optical path of a microscope.
Patent JP-H04206604-A (JP)
Title: Manufacture of thermistor
Inventor: HIRABAYASHI YASUO
IPC: H01C7/04
Filed: 1990-11-30
Abstract: PURPOSE:To realize a thermistor whose stability is good by a method wherein a mixed raw gas is introduced into a reaction container, a semiconductor thin film composed of polycrystalline silicon carbide is vapor-deposited on an insulating substrate and the semiconductor film is doped with impurities which control its conductivity. CONSTITUTION:A gas supply device 2 which supplies a mixed rawmaterial gas composed of hydrogen silicide, hydrocarbon, hydrogen and the like is connected to a reaction container 1 via a passage 3. Then, a filament 5 composed of, e.g. of a tantalum wire having a diameter of 1mm and a conductive substrate holder 7 are arranged and installed respectively inside the reaction container 1. Then, an electric current is made to flow to the filament 5 from an AC power supply 9; the surface temperature of a substrate 8 is set to 650 to 900 deg.C; a positive bias voltage of 0 to 40V is applied to the substrate holder 7. At this time, an impurity gas in desired quantities is made to flow from the gas supply device 2. The proper amount of impurities such as nitrogen or the like is doped the conductivity of polycrystalline silicon carbide is controlled to a desired value. Thereby, the conductivity and the temperature-conductivity characteristic of a thermistor which is rich in reliability can be controlled easily.
Patent JP-H05168905-A (JP)
Title: Emergency gas generator
Inventor: FUJIYAMA HIROMU
IPC: B60R21/264
Filed: 1991-12-17
Abstract: PURPOSE:To provide an emergency gas generator capable of easily obtaining the desired pressure rising rate of blowoff gas and suitable for mass production. CONSTITUTION:A bottomed cylindrical case 1 is integrally molded. The inner diameter of the case 1 on the side of the bottom plate 3 thereof is made smaller than that of the mouth part 6 thereof and one stepped part 7 is provided to the body wall of the case 1. A part 5 thinner than the body wall 4 is provided to the bottom plate 3 and the case 1 is filled with a gas burning and generating agent 2. The other stepped part 12 is formed to the periphery of a squib 8 to be equipped with an O-ring 14 and the squip 8 is inserted in the case 1. The O-ring 14 is pressed between one stepped part 7 and the other stepped part 12 to hermetically seal the gas burning and generating agent 2 and the edge part of the mouth part 6 is caulked to fix the squib 8 to the case 1.
Patent JP-H05166186-A (JP)
Title: Optical card reproducer
Inventor: ICHIKAWA KAORI
IPC: G11B21/08
Filed: 1991-12-17
Abstract: PURPOSE:To accurately read and write the data by generating the address of a photoelectric transducer and adding an image pickup signal in the direction vertical to a track for detection of a specific pattern on the track. CONSTITUTION:A timing controller 33 fixes a row and scans it in the column direction to designate the row and column addresses to a row address generating circuit 31 and a column address generating circuit 32 respectively. Then the controller 33 changes the row position to scan it and obtains the column address of a track guide. The controller 33 calculates an intermediate address of the column approximate to the obtained column address and stores it as a track row address. Then the controller 33 designates plural tracks of a CMD sensor 8 to the circuit 32 to add them in the column direction and outputs a binarized sync pattern to a sync pattern detecting circuit 44. The circuit 44 detects the sync pattern and also outputs the start position of a data area to a data interval measuring circuit. Thus the data can be accurately read and written.
Patent JP-H09153308-A (JP)
Title: Wind and rain shielding instrument for candle
Inventor: MARUYAMA HAJIME
IPC: C11C5/00
Filed: 1995-11-29
Abstract: PROBLEM TO BE SOLVED: To prevent candle light from going out because of wind, rain and so on. SOLUTION: This instrument has a candle stand 2 on which a candle 1 mounts, a weatherproof wall 3, 4, and 5 which surround the candle 1 mounted on the candle stand 2, and at least one opening part 6 forced in the weatherproof wall 4. The rotatable candle stand 2 is provided at a position where the candle 1 is contained within the weatherproof wall and at a position where the candle 1 is visible from the opening part 6.
Patent JP-H06189548-A (JP)
Title: Rush current control circuit
Inventor: KANDA TAKASHI
IPC: G05F1/10
Filed: 1992-12-15
Abstract: PURPOSE:To reduce a current flowing into a trigger means to save power by utilizing a thyristor having a high gate trigger sensitivity as a means for controlling the supply of the output of a rectifier circuit to the smoothing capacitor. CONSTITUTION:In a power supply circuit where an AC power AC is rectified by a diode bridge DB, smoothed by a smoothing capacitor C0 and is then supplied to a load L, a rush current control circuit 1 connects an SI thyristor Q1 having a high gate trigger sensitivity in series to the smoothing capacitor C0. When the output voltage of the diode DB is high, a trigger control circuit 3 prevents the SI thyristor Q1 from being triggered by a trigger circuit 2. Here, a means for adjusting the timing by the capacitors C1, C2 is provided so that the trigger impeding control is effected earlier than the trigger control of the SI thyristor Q1 by the trigger circuit 2. Thereby, power saving can be achieved by utilizing the SI thyristor Q1.
Patent JP-H05144319-A (JP)
Title: Manufacture of dielectric ceramic composition
Inventor: OKABE KAZUMI
IPC: C04B35/46
Filed: 1991-11-21
Abstract: PURPOSE:To manufacture such a non-reducing dielectric ceramic composition that can not reduced even if baked in a reducing atmosphere, may be high in dielectric constant and insulation resistance, and also may be stable in the rate of changes in the temperature of a dielectric. CONSTITUTION:A dielectric ceramic composition is manufactured by mutually compounding barium titanate (BaTiO3) powder whose alkali metal oxide content is less than 0.04wt.%, such an amount of an organic solvent soluble organic compound that may contain 0.60 to 0.72mol of Dy2O3, 1.20 to 1.44mol of CoO, 1.37 to 1.58mol of BaO, 0.60 to 0.72mol of NiO, 0.30 to 0.36mol of MnO and 1.80 to 2.16mol of MgO respectively against 100mol of the BaTiO3 powder, and 1.13 to 1.31wt.% of an organic solvent soluble organic compound forming an Li-Ba-Sr-Si group oxidic glass component respectively, then adding an organic solvent to the compounded material to be mixed together, and after removing the organic solvent from the resultant material heat-treating the material.
Patent JP-2000164949-A (JP)
Title: Hall sensor
Inventor: SAKAI KATSUHIKO
IPC: H01L43/04
Filed: 1998-11-25
Abstract: PROBLEM TO BE SOLVED: To enable a package of Hall effect sensors to be made microminiaturized of the size of the semiconductor chip of a Hall effect element in size and thickness. SOLUTION: Wiring patterns 5 for external electrical connection are provided at a pair of side edges of an insulating substrate 6, having an area slightly larger than that of a Hall effect element 1 to be mounted thereon, extended from an upper surface of the substrate 6 to a lower surface thereof. In this case the Hall effect element 1 is mounted in a surface zone of the substrate 6 which is left between the patterns 5 and 5, electrodes 3 on the element 1 are electrically connected to the patterns 5 through bonding wires 2 respectively, and plastic resin 4 is molded on the substrate 6 to form a package.
Patent JP-2000165158-A (JP)
Title: Driving circuit
Inventor: OTAKA NOBUYUKI
IPC: H03F3/30
Filed: 1998-11-25
Abstract: PROBLEM TO BE SOLVED: To obtain a circuit to enhance driving ability while suppressing increase of current consumption by compensating electric charge and discharge of load capacitance by being turned on when fixed voltage difference is generated between an input signal and an output signal in the case of charging operation. SOLUTION: The input signal is impressed on IN and impressed on a base of a transistor Q4 as a first transistor via a transistor Q1. The input signal is impressed on a base of a transistor Q3 as a second transistor via a transistor Q2. And power is supplied from a first current source I1 to the base of the transistor Q4 and the power is supplied from a second current source I2 to the base of the transistor Q3. One end of the first current source I1 is connected with the ground and one end of the second current source I2 is connected with a power source. A first current mirror is constituted of transistors Q7, Q8.
Patent JP-H0541367-A (JP)
Title: Selective removal method of silicon nitride film with reference to silicon oxide film
Inventor: TANAKA MASATO
IPC: H01L27/108
Filed: 1991-11-21
Abstract: PURPOSE:To selectively remove a silicon nitride film from the surface of a silicon wafer in a sufficient selective ratio which is practically suitable for a silicon oxide film. CONSTITUTION:The vapor of nitric acid 40 is added to the vapor of hydrofluoric acid 32; their mixed gas is supplied to the surface of a silicon wafer W on which a silicon oxide film and a silicon nitride film have been formed. At this time, the surface temperature of the wafer is kept higher than the temperature of the mixed gas by within a prescribed range.
Patent JP-H11164900-A (JP)
Title: Fire extinction nozzle for coal bunker
Inventor: KIKUTA SEIICHIRO
IPC: A62C31/22
Filed: 1997-12-04
Abstract: PROBLEM TO BE SOLVED: To prevent coal from entering a nozzle body and clogging the nozzle body even in a state that coal dust rises and the coal is likely to enter the nozzle body, by constituting the nozzle so that, even when no water for fire- fighting is sprayed from the nozzle body, the pressure of the water for fire- fighting is not applied on a mushroom-shaped cover and the cover and the outlet end of the nozzle body are in a close contact to tightly close the opening part. SOLUTION: The extinction nozzle for coal bunker is mounted on a coal bunker wall 14 and a mushroom-shaped cover 16 is provided at an opening part 13 of the nozzle body 11, so that, when the water pressure of the extinction water is applied to the nozzle body 11 which is to spray the extinction water to the coal reserved in the coal bunker 15, the cover automatically opens to spray the extinction water from the whole periphery of the opening part 13 and automatically closes when no spraying is done to reduce infiltration of the coal into the nozzle body 11.
Patent JP-H06185012-A (JP)
Title: Diagonal cable tensile force adjusting truck
Inventor: ISHII SHIGEMICHI
IPC: E01D11/04
Filed: 1992-12-15
Abstract: PURPOSE:To adjust a slope of a diagonal cable connected between a bridge girder and a main tower speedily and safely. CONSTITUTION:A diagonal cable tensile force adjusting truck is constituted of a truck 12 provided on a bridge girder 5 in a movable manner, a hanging beam 13 provided on the truck 12 and capable of expansion widthwise, a work scaffolding 14 suspended to the front end part of the hanging beam and a diagonal cable adjusting member 16 adjusting a diagonal cable 6 connected between a main tower 3 and a bridge girder 5. According to the constitution, the diagonal cable 6 is adjusted while moving the work scaffolding 14 from an overhanging section 7 to the following overhanging section 7 in a state to give a worker a ride in the scaffolding, and diagonal cable adjusting work can be realized speedily and safely.
Patent JP-H06235933-A (JP)
Title: Liquid crystal display device and its manufacture
Inventor: MINO YOSHIKO
IPC: H01L29/786
Filed: 1992-12-15
Abstract: PURPOSE:To eliminate the contact window forming process and reduce the number processes by directly extracting the external extraction sections of a gate electrode and a source electrode not via other metal films. CONSTITUTION:Metal films of a gate electrode 13 and a source drain electrode 19 are made of the same metal material, TAB mounting electrodes 13a, 19a are formed at the extension end sections of a gate wire and a source wire respectively, and no contact window is required for the connection to a TAB mounting electrode film ITO unlike the conventional one. The TAB mounting electrodes 13a, 19a are made of the same metal film as that of the gate electrode 13 and the source drain electrode 19, thus the mounting resistance is reduced as compared with the conventional ITO film, and the electrode pattern can be shrunk.