baber/WOPTO huggingface dataset:
Patent JP-H05294884-A (JP)
Title: Production of biphenyl compound
Inventor: MIURA YOZO
IPC: C07C39/15
Filed: 1991-09-06
Abstract: PURPOSE:To efficiently obtain the subject compound useful as an antioxidant, a deodorant, etc., in high yield by oxidizing a specific compound in the presence of a complex such as cobalt perchlorate. CONSTITUTION:A compound expressed by formula I (R1 is 1-3C alkyl) is oxidized in the presence of a complex of cobalt perchlorate with alpha,alpha,alpha',alpha'- tetrakis-(1-methyl-1H-imidazol-2-yl)-2,6-pyridinedimethanol (used in an amount of preferably 0.001-1 equiv. based on the compound expressed by formula I) to afford the objective compound expressed by formula II.
Patent JP-H0968154-A (JP)
Title: Arc jet propeller
Inventor: MATSUO SHINOBU
IPC: B64G1/26
Filed: 1995-09-04
Abstract: PROBLEM TO BE SOLVED: To always hold a space between an anode and a cathode to a distance improving an arc discharge, in an arc jet propeller used in attitude control or orbit control and the like of an artificial satellite or the like. SOLUTION: A device comprises a bellows 20 protruded to the outside of a propeller to seal the other end side of a cathode 6 in an opposite side to an opposed side to an anode 1, drive mechanism set up in the other end part of the cathode inserted to the bellows to be protruded to the outside and to drive the cathode in an axial direction and a control device 23 measuring voltage of the anode and the cathode opposed to this anode to output a drive signal driving the cathode in an axial direction to the drive mechanism so that the voltage comes to be voltage corresponding to a distance between the well arc discharging anode and cathode.
Patent JP-S60117233-A (JP)
Title: Anamorphic variable power copying method
Inventor: NAKAMURA HIROSHI
IPC: G03G15/04
Filed: 1983-11-29
Abstract: PURPOSE:To facilitate manufacture and to attain variable power with a little aberration and a little astigmatism without decreasing resolving power by using plural triangular prisms consisting of planes. CONSTITUTION:A moving original is lighted by a lighting device 12 and its image is transmitted to a photosensitive body 4 through a mirror 13, projection lens 14, mirror 15, and prism 10'. The projection lens 14 is movable to an indicated magnification position and the speed ratio of a scanning system and a photosensitive body 4 and the position of the projection lens 14 are so set that slit lengthwise magnification and slit breadthwise magnification are different from each other. Then, plural prism systems 10' which have refracting power not in the slit lengthwise direction, but in the slit breadthwise direction are so provided that the speed of the projected image of the original is equal to the speed of a photosensitive body. Thus, those plural prisms 10A and 10B are used to attain the anamorphic variable power of a sharp image with small image inclination, a little astigmatism, and a little chromatic aberration.
Patent JP-S58112909-A (JP)
Inventor: JIYON EFU HANSUKAMU
IPC: B65B13/02
Filed: 1982-12-24
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-H0892689-A (JP)
Title: Steel for bearing excellent in property for delaying change in microstructure caused by repeated stress load
Inventor: YASUMOTO SATOSHI
IPC: C22C38/00
Filed: 1994-09-21
Abstract: PURPOSE: To produce a bearing member small in the change of the microstructure caused by repeated stress loads and having a long bearing service life not only in a clean environment but also in the one under severe using conditions in which refuse is contained. CONSTITUTION: This steel has a chemical compsn. contg., by weight, 0.5 to 1.5% C, >1.0 to 2.5% Cu and <=0.0020% O, furthermore contg. one or two kinds selected from >0.5 to 2.0% Mo and >1.0 to 3.0% Ni, contg., at need, one or >= two kinds selected from >0.5 to 2.5% Si, >2.0 to 5.0% Mn, >2.5 to 8.0% Cr, >0.012 to 0.050% N, 0.05 to 1.0% V, 0.05 to 1.0% Nb, 0.05 to 1.0% W, 0.02 to 0.5% Zr, 0.02 to 0.5% Ta, 0.02 to 0.5% Hf and 0.05 to 1.5% Co, and the balance Fe with inevitable impurities.
Patent JP-H0545177-A (JP)
Title: Sine and cosine function wave generation circuit
Inventor: ISHIKAWA KAZUO
IPC: G01B7/30
Filed: 1991-08-12
Abstract: PURPOSE:To realize a sine and cosine function wave generation circuit outputting quasi-sine wave signal and quasi-cosine wave signal and having a simple and cheap circuitry. CONSTITUTION:The title circuit is constituted of a clock signal generator 1, a counter 2, a two-phase pulse generation circuit 3, amplifying circuits 41, 42 to condition and amplify the two pulse signals with 90 degree phase difference which are output from the two-phase pulse generation circuit 3, integration circuits 51, 52, and cramp circuits 101, 102, etc.
Patent JP-H0274599-A (JP)
Title: Production of sic whisker
Inventor: KOBAYASHI ISAO
IPC: C30B29/62
Filed: 1988-09-12
Abstract: PURPOSE:To obtain whiskers having thick diameters by specifying the specific surface area of SiO2 as a Si source and the reaction temperature when a raw material layer comprising the Si oxide and a carbon substance as such is converted into the Si whiskers. CONSTITUTION:SiO2 is sufficiently mixed with a carbon material such as carbon black having a small bulk specific density. It is preferable to add the powder of a metal such as Co, an alloy thereof or a halide compound thereof for the reduction of the SiO2, carbonization reaction and the production of the whiskers. The SiO2 powder having a BET specific surface of <=10m<2>/g is used as the SiO2. The mixture is reacted in a non-oxidizable atmosphere of 1400-1600 deg.C to convert the mixture into an aggregate comprising the whiskers having diameters over 1mu. The use of the SiO2 having a specific surface of >10m<2>/g under a reaction temperature of >1600 deg.C does not give the whiskers having diameters of >1mu.
Patent JP-S60119900-A (JP)
Inventor: NISHI MASAYA
IPC: E02D29/073
Filed: 1983-12-02
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-H0275103-A (JP)
Title: Light receiving method using light tunnel and device thereof
Inventor: SAKAI KAZUO
IPC: F21S11/00
Filed: 1988-09-09
Abstract: PURPOSE:To receive light at a low cost from an extension building built near an existing building to the existing building with a light tunnel provided with a natural light receiving section on one end and a light release section on the other end respectively. CONSTITUTION:One end section of a light tunnel 10 is protruded through the roof 28 of an extension building, and a natural light receiving section 30 is provided at its tip section. On the other hand, the other end section of the light tunnel 10 is thrust into a room of an existing building through the wall 36 of the extension building and the wall 38 of the existing building, and a release section 88 is provided at its tip section. The light received by the natural light receiving section 30 is released from the release section 88 in the existing building via the light tunnel 10.
Patent JP-S59119250-A (JP)
Title: Sensor element
Inventor: SATOU NOBUO
IPC: G01N27/12
Filed: 1982-12-27
Abstract: PURPOSE:To improve the joint strength of a lead wire by joining, enveloping and holding a lead wire weld of an electrode terminal for sensor provided on an insulating substrate with an inorganic adhesive having thermal expansibility different slightly from that of the insulating substrate. CONSTITUTION:The electrode terminal 3 is formed at an alumina insulating substrate 1 by a screen printing method, calcined at 1,200 deg.C and the terminal 3 is provided. After the lead wire 4 is joined to the terminal 3, the inorganic adhesive 5 is coated from above the wire 4 and the terminal 3 so that it envelopes the whole of the terminal part, dried and baked at 850 deg.C. The substance of thermal expansibility different slightly from that of the substrate 1 is used for the adhesive 5. By such constitution, the strength of the joined part is improved, and the joint is not deteriorated also by repeated heating and cooling. The joint strength can be improved also by forming a mixed layer 6 from the material obtained by mixing previously an insulating substrate material and a terminal material intended to form the terminal 3 on the substrate 1 and then by forming the terminal on the layer 6.
Patent JP-H0942334-A (JP)
Title: Brake band
Inventor: UMEZAWA SAKANORI
IPC: F16D65/06
Filed: 1995-08-01
Abstract: PROBLEM TO BE SOLVED: To obtain a brake band which does not cause projection of lining and high density portion, causes excessive partial concentration of a surface pressure distribution between a brake drum and the lining, suppresses temporal change of a torque capacity, stabilize the torque capacity and improve heat resistance and durability. SOLUTION: Brackets 4, 5 of similar or different shapes 4 are connected to both ends of a bent thin strap 3. A thin frictional member (lining) 2 is adhered to an inner peripheral surface of the bent strap 3. In such a brake band, only the connection between the anchor side bracket 4 with the strap 3 shows no projection on the surface of the strap 3 to which the frictional member 2 is adhered by spot welding 7 or the like.
Patent JP-2000063131-A (JP)
Title: Method and apparatus for producing molding product
Inventor: SAKAKIBARA HIROYUKI
IPC: G02B1/00
Filed: 1998-08-11
Abstract: PROBLEM TO BE SOLVED: To prevent a molding material from entering into a clearance between molds sometimes formed in the molding by pressurizing a material for an optical element between a pair of molding molds constituted of a frame mold and an inserted mold inserted into the frame mold, and producing an optical element having a bent part and a flat part. SOLUTION: A material 10 for an optical element softened at a high temperature and in a shape of an ellipse or a sphere is inserted in a molding space of a pair of molds, and subjected to a pressure forming. The pair of the molds comprises an upper mold 11a composed of a frame mold 9A and a nest-type mold 8A to be inserted therein, and a lower mold 11b composed of a frame mold 9B and a nest-type mold 8B to be inserted therein. The inner face of the nest-type mold 8A of the upper mold 11a comprises a flat part 8a and a ring-like protruded part 8b at the neighbor thereof. The inner face of the nest-type mold 8B of the lower mold 11b is formed into a convexly curved face so as to protrude into the molding space. As the result, a wrong phenomenon such as barr, chipping and breakage of the mold, which sometimes occurs, is previously prevented.
Patent JP-H1058142-A (JP)
Title: Electrogas arc welding method
Inventor: TOYOHARA TSUTOMU
IPC: B23K9/173
Filed: 1996-08-12
Abstract: PROBLEM TO BE SOLVED: To provide an electrogas arc welding method capable of achieving the sound welding in one pass for a, vertical butt joint of thick plates by locating two welding wire tips to be guided by a tip in a separate manner within a groove, and performing the welding by feeding the welding wires in an approximately simultaneous manner. SOLUTION: Two wires can be fed in one groove with keeping the interval D by using a tip mounting attachment 20. Tips of two welding wires which are guided respectively by tips 21, 21 of a torch are located in the groove to be separated from each other in the sectional area direction, and the torch is oscillated in the longitudinal direction of the groove to evenly melt the groove section with arc. Because water-cooled copper plates are provided on a face side and a back side of the groove, the face side and the back side are beautiful in appearance, and excellent welding bead is obtained.
Patent JP-H0678276-A (JP)
Title: Muse decoder
Inventor: MAENO HIDEKI
IPC: H04N7/015
Filed: 1992-08-26
Abstract: PURPOSE:To obtain an optimum moving picture signal by varying a frequency characteristic of an interpolation filter in response to a noise quantity of a transmission signal in the in-field interpolation processing for a MUSE video signal moving area. CONSTITUTION:The decoder is provided with a noise detection section 22 detecting a quantity of noise, and a horizontal LPF section (low pass filter section) 32 having a variable coefficient device is provided in an in-field interpolation processing section 14, and a frequency characteristic of an interpolation filter for interpolation in a field in a video signal moving region is varied with the quantity of noise in a transmission signal by controlling the variable coefficient device thereby varying the frequency characteristic of the interpolation filter for interpolation in the field in the video signal moving region in response to a sent control signal.
Patent JP-H0970789-A (JP)
Title: Balancing device of articulated robot
Inventor: CHIKURA TAKASHI
IPC: F16F15/28
Filed: 1995-09-05
Abstract: PROBLEM TO BE SOLVED: To provide excellent moment balance of a horizontal arm without increasing the inertia or limiting the operational range of a robot. SOLUTION: When a horizontal arm drive shaft 12 in a casing 16 is turned, the force is transmitted to a horizontal arm through a horizontal arm drive link to oscillate the horizontal arm. The horizontal arm is provided in an oscillating manner on the top part of a vertical arm 2. An adjustment flange 22 of a balancing device 20 is provided on the casing 16 with the circumferential fitting position in the variable condition. A torsion coil spring 21 is inserted between the casing 16 and the horizontal arm drive shaft 12 to give the torque to balance the horizontal arm to the shaft 12. The angle of torsion of the spring 21 is adjusted by changing the circumferential position of the flange 22.
Patent JP-H0566273-A (JP)
Title: Apparatus for estimating position of converging zone within real time
Inventor: UMETSU ISAO
IPC: G01K11/22
Filed: 1991-09-09
Abstract: PURPOSE:To estimate the position of a converging zone real time by receiving the digital data of sea-surface water temp. distribution to apply predetermined processing thereto and calculating the position of the converging zone using a wave ray tracking method. CONSTITUTION:The three-dimensional seawater temp. distribution calculator 301 in a converging zone position estimating apparatus 3 calculates the three-dimensional seawater temp. distribution of an objective sea area by the extrapolation processing of the sea-surface water temp. distribution data inputted from a ground apparatus 2. Subsequently, a three-dimensional sonic velocity distribution calculator 302 calculates the three-dimensional velocity distribution of a sonic wave and a three-dimensional sound ray tracking processor 303 utilizes said three-dimensional velocity distribution to calculate the sound ray track from a reference position using a wave ray tracking method. That is, the sound ray track can be calculated based on the three-dimensional velocity distribution of the sonic wave in the objective sea area and the incident angle of the sonic wave from the reference position and a converging zone as the converging position of the sound ray of each sound wave sent out so as to have a certain expanse in the reflection of the sonic wave is calculated. By repeating this processing at each time when data is obtained.
Patent JP-S59120012-A (JP)
Inventor: UCHIDA ICHIGEN
IPC: A01D43/06
Filed: 1982-12-28
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-H069475-A (JP)
Title: Aphidicolan derivative and its production
Inventor: HIRAMITSU TOKIYUKI
IPC: C07C43/196
Filed: 1992-08-05
Abstract: PURPOSE:To provide a novel compound having an antitumor action. CONSTITUTION:The compound of formula I (R is 2-5C alkylene; X is halogen, OH, cyano, lover alkoxy). For example, 3alpha,17,18-trihydroxy-16beta-(3- hydroxypropoxy)aphidicolan. The compound of formula I is obtained by reacting 3,18-dihydroxy-16,17-epoxyaphidicolan with a compound of formula: XROH.
Patent JP-H04109124-A (JP)
Title: Electronic silencer system
Inventor: HAMADA HARUO
IPC: G10K11/178
Filed: 1990-08-29
Abstract: PURPOSE:To realize adaptive control with a simple circuit structure by generating acoustic waves with the same amplitude and opposite phase to acoustic waves propagated from a noise source, and silencing the by acoustic wave interference. CONSTITUTION:A shift register 42 performs a shift action via the clock signal applied from a cycle detection section 41 and outputs the stored load coefficient in sequence. The load coefficient outputted from the register 42 is inverted by an inverter 43 and added to a speaker 53 as a drive signal via a power amplifier 55. The additive sound to reduce th noise from the speaker 53 is radiated. A microphone 52 detects the error signal indicating the error after the noise and the additive sound interfere with each other, and this signal is added to a multiplying circuit 44 via a microphone amplifier 56. A load coeffi cient outputted from the register 42 and delayed with the inherent delay time by a delay circuit 45 is added to other input of an adding circuit 46, and the circuit 46 adds these two inputs and outputs the added value to the register 42 as a new load coefficient.
Patent JP-H07240384-A (JP)
Title: Wafer heating equipment
Inventor: USHIGOE RYUSUKE
IPC: H01L21/205
Filed: 1994-09-22
Abstract: PURPOSE:To provide a wafer heating equipment excellent in uniform heating property which does not generate particles in the case of high temperature operation at 400-1100 deg.C, and can directly heat a wafer with high heat efficiency. CONSTITUTION:A disk type substratum 6 is composed of dense nonoxide ceramics like Si3N4 which practically does not generate sodium. A heating element formed by spirally winding a wire composed of high melting point metal is buried in the inner whole part of the substratum 6.
Patent JP-S6473085-A (JP)
Title: Stainless steel sheet
Inventor: YOSHIOKA KEIICHI
IPC: C23C14/16
Filed: 1987-09-11
Abstract: PURPOSE:To manufacture a stainless steel sheet excellent in weatherability at uncoated surface as well as in workability, by forming a coating layer of Al, etc., on one side of a stainless steel sheet for sheathing to a specific thickness. CONSTITUTION:At least one coating layer consisting of one or more kinds selected from Al, Al alloys, Zn, and Zn alloys is formed on one side of a stainless steel sheet for sheathing to 0.1-70mu thickness. Further, as the stainless steel sheet, soft stainless steel sheets of <=220 Vickers hardness are preferred, and it is preferable to use Zn-Ni alloy, Zn-Fe alloy, and Zn-Mn alloy as the Zn alloys. By this method, superior workability can be provided to the stainless steel sheet and weatherability at uncoated surface can be improved.
Patent JP-H0974346-A (JP)
Title: Timer circuit
Inventor: SHIRAISHI TOMOO
IPC: H03K17/284
Filed: 1995-09-05
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive timer circuit in a simple circuit configuration with a little dispersion in operating time concerning the timer circuit suitable to be utilized for a start circuit, etc., for the stabilizer of a fluorescent lamp. SOLUTION: Concerning the timer circuit with which the gate of an FET 4 is connected to the node of a resistor 3a and a capacitor 3b at a delay circuit 3 composed of the resistor 3a and the capacitor 3b and an output is provided from the drain of that FET 4, two resistors 6 and 7 are serially connected between a common circuit CM of an input signal source and a power source 8, the source of the FET 4 is connected to an intermediate point between those two resistors 6 and 7 and an intermediate voltage between those two resistors 6 and 7 is loaded to the source of the FET 4 as a bias voltage so that a gate voltage for turning on the FET 4 can be shifted to the high level side just for the bias voltage.
Patent JP-S61105828-A (JP)
Inventor: TAKADA MASAAKI
IPC: H01G4/12
Filed: 1984-10-30
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-H1075502-A (JP)
Title: Controller of hybrid vehicle
Inventor: TABATA ATSUSHI
IPC: B60L50/16
Filed: 1996-08-29
Abstract: PROBLEM TO BE SOLVED: To maintain an engine in an drivable state as much as possible in a hybrid vehicle which has the engine and an electric motor as power sources for the running of the vehicle, a low voltage 1st power accumulation device which supplies powers to auxiliary machines for the engine driving, a high voltage 2nd power accumulation device which supplies a power to the electric motor and, further, a voltage conversion controller which permits the 2nd power accumulation device to charge the 1st power accumulation device. SOLUTION: If it is judged that the charge value SOC2 β a 2nd power accumulation device is smaller than a required value f3 which corresponds to a sufficient power to drive an engine in a step SA3, charging of a 1st power accumulation device by the 2nd power accumulation device is prohibited. With this constitution, even if the power of the 1st power accumulation device is consumed by the lighting of headlights, etc., the engine can be driven by supplying a power from the 2nd power accumulation device at the time of the engine start.
Patent JP-H0275631-A (JP)
Title: Polyarylene sulfide and preparation of polyarylene sulfide
Inventor: CHIGA MINORU
IPC: C08G75/02
Filed: 1988-09-12
Abstract: PURPOSE:To obtain a polymer of high whiteness with high solvent recovery and high yield by bringing an alkali metal hydrosulfide, a metal omega- hydroxycarboxylate and dihalogenated arom. compd. into contact with each other. CONSTITUTION:A polyarylene sulfide is obtd. by performing thermal polycondensation of an alkali metal hydrosulfide (e.g., NaSH) and/or H2S (A), 0.8mol or more of metal omega-hydroxycarboxylate (B) (e.g., sodium omega- hydroxybutyrate) based on 1mol of the total hydrogen atoms of the component A and usually 0.90-1.2mol of dihalogenated arom. compd. (C) (e.g., p- dichlorobenzene) based on 1mol of the component A in an org. polar solvent, e.g., N-methylpyrrolidone in an inert gas flow, usually at 180-330 deg.C, pref. 210-290 deg.C for 1-24hr. This polymer contains carbonyl groups and is insoluble in alpha-chloronaphthalene.
Patent JP-S6383600-A (JP)
Inventor: UOTANI SANKUROU
IPC: F42C13/02
Filed: 1986-09-29
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-H0892258-A (JP)
Title: Tetralin compound and liquid crystal additive
Inventor: MARUYAMA TOYOTARO
IPC: G02F1/141
Filed: 1994-09-22
Abstract: PURPOSE: To obtain a new compound capable of increasing the tilt angle while maintaining the antiferroelectricity simply by adding a small amount thereof to a host liquid crystal capable of manifesting the smectic C phase. CONSTITUTION: This compound of the formula R<1> -X-A<1> -Y-A<2> -Z-R<2>  R<1> is a 1-20C alkyl and the group CH2 forming the alkyl is substituted with SiR2 -(O- SiR2 )n [R is an alkyl or an aryl; (n) is >=0]; X and Z are each CO, O, etc.; A<1> and A<2> are each biphenyl, formula I, etc., with the proviso that at least either of A<1> and A<2> is formula I, etc.; Y is CH2 O, O, etc.; R<2> is a 4-20C optically active group having asymmetric C}, e.g. (R)-1, 1, 1-trifluoro-2-octyl 6-[4'(4, 4- dimethyl-4-silaoctyloxy)-4-biphenylcarbonyloxy]-1, 2, 3, 4-tetrahydro-2- naphthalenecarboxylate. The compound is obtained by reacting, e.g. a compound of formula III prepared from a compound of formula II with a compound of formula IV.