baber/WOPTO huggingface dataset:
Patent JP-H04107347-A (JP)
Title: Clutch device
Inventor: KURIHARA SAKUO
IPC: F16H48/30
Filed: 1990-08-29
Abstract: PURPOSE:To perform high-efficient operation of a multidisc clutch when a cam is worked by arranging a multidisc main clutch to a planetary gear mechanism on the same side as the cam means side in an axial direction. CONSTITUTION:An annular press member 77A to press a multidisc clutch 75 in an axial direction, i.e., rightward in a diagram, is located, as shown in a diagram, to the left of a main multidisc clutch 75 for limiting a differential in a manner to be spline-coupled with a boss part 57 and movable in an axial direction. A cam ring 77B composing a cam means is arranged to the right of the press member 77A. Thus, when a cam 79 is worked, the multidisc clutch 75 is directly pressed between the cam 79 and a planetary gear mechanism 55. This constitution prevents transmission of the force of the press member 77A to the multidisc clutch 75 through a solar gear 53, planetary gears 43 and 49, and the engaging part of an internal gear 41 of a differential case 31 and presses the multidisc clutch 75 with high efficiency.
Patent JP-H0676642-A (JP)
Title: Oil-filled cable capable of detecting oil leak
Inventor: ISHIBASHI TATSUJI
IPC: H01B7/32
Filed: 1992-08-25
Abstract: PURPOSE:To provide an oil-filled cable which in a hot-line state can instantaneously detect an oil-leak position at high accuracy. CONSTITUTION:A portion 6 of a reinforcing layer 5 located between a metal layer 4 and an anticorrosive layer 8 is notched and an optical fiber 7 is enclosed in the notch and used to detect the position of oil leakage. Should cracking or the like be caused in the metal layer and insulating oil flow out, the insulating oil is collected in the space between the metal layer 4 and the anticorrosive layer and pressure in that portion is built up. In that case, the pressure is applied also to the optical fiber being enclosed. The optical fiber has the property of having its refractive index varied with pressure and so scattering of light is greater in the portion where the oil leaks than other portions. A light source producing periodical pulse light is connected to one end of the optical fiber and the pulse light is made incident on the optical fiber and then part of the light is scattered at the oil-leak portion and returned to the light source. The distance from the light source to the oil-leak position can be detected by measuring the time difference between the incident and reflected light in that case.
Patent JP-H04109876-A (JP)
Title: Ultrasonic motor
Inventor: TAKAGI TADAO
IPC: H02N2/00
Filed: 1990-08-28
Abstract: PURPOSE:To suppress a restriction of a stator by a moving element, to increase the amplitude of the stator and to improve a driving efficiency by providing a narrower part than a contact surface at a section of the element in a direction perpendicular to a propagating direction of a second traveling vibration wave. CONSTITUTION:A section of a rotor 4 in a direction perpendicular to a propagating direction X of first, second traveling vibration waves thereof is formed in a shape in which the width of its lower end, i.e., a contact surface P2 is largest and reduced toward an upper part. When a high frequency voltage is applied to a piezoelectric element 3a for constituting a stator 3, the element 3a is excited to generate a first traveling vibration wave at the driving surface P1 of an elastic element 3b. Then, the rotor 4 in pressure contact with the surface P1 is received by the first wave to be driven while generating a second traveling vibration wave. Thus, second moment of area of the rotor 4 is reduced as compared with that of prior art, a restriction of the vibration of the stator 3 can be suppressed that much, the width A' of a stator can be increased as compared with that of the prior art, thereby improving a driving efficiency.
Patent JP-S6469788-A (JP)
Title: Scroll compressor
Inventor: NAKAKADO MASAAKI
IPC: F04C18/02
Filed: 1987-09-09
Abstract: PURPOSE:To enhance the productivity and the reliability by forming a fixed scroll member and a turning scroll member engaging each other with a resin, or forming them by covering a core member with the resin, while forming respective sliding members on the resin surface and a metal surface. CONSTITUTION:A fixed scroll member 2 is provided with a spiral tooth 26 erected on the bottom plate 2a for forming a metallic core member 2d. A resin layer 1 is formed on the surface without the tooth 26 forming opposite surface of the bottom plate 2a in the core member 2d and an end plate 2c, while pressure-contact sliding surface 2c' of the end plate 2c is machined. On the other hand, a turning scroll member 3 is composed of the resin layer 1 formed on the surface without a tooth forming opposite surface of the bottom plate 3a in the core member 3d formed the same as the fixed scroll member 2, and a crank bearing member 3e. Thereby, the fixed scroll member 2 and the turning scroll member 3 constructed in this way, are used by mutually engaging the teeth 2b, 3b.
Patent JP-S61106491-A (JP)
Title: Liquid phase epitaxial growth method
Inventor: MURASATO SHIGETAKA
IPC: C30B19/00
Filed: 1984-10-29
Abstract: PURPOSE:To prevent the oxidation of wafer and to increase the every characteristics of it in a slide board method by mounting the slid Ga of prescribed shape on Al, GaAs and a dopant incorporated in the inside of a soln. reservoir and dissolving it. CONSTITUTION:Ga is cast in a mold and it is made to the solid Ga 8, 9 of the same plane shape as the soln. reservoirs 4, 5 of a slider 3. The solid Ga 8, 9 are mounted on the upper part of Al 11, GaAs and a dopant 12 incorporated in the above-mentioned soln. reservoirs 4, 5. Ga 8, 9 are dissolved in vacuum and flowed on the Al 11, GaAs and the dopant 12 to obtain a uniform soln. of raw material for a growth soln.
Patent JP-S6285478-A (JP)
Title: Schottky photodiode
Inventor: MIURA AKIRA
IPC: H01L31/108
Filed: 1985-10-09
Abstract: PURPOSE:To obtain a Schottky photodiode having stable high conversion efficiency and high speed responding characteristic by forming a Schottky electrode and an ohmic electrode on one surface of a silicon-on-sapphire (SOS) substrate, and guiding a light to a depletion layer under the Schottky electrode from the sapphire surface of the SOS substrate. CONSTITUTION:An N-type epitaxial layer 6 is formed on one surface of an SOS substrate 5, a Schottky electrode 7 made, for example, of Au is formed to cover the part of layer 6, and the electrode 7 is coated with an ohmic electrode 8 made, for example, of Al-Si to electrically insulate the electrode 7. The light is applied from the sapphire surface of the polished substrate 5 to a depleted layer 9 formed on the layer 6 under the electrode 7. Since the light does not pass the metal layer but is applied from the sapphire surface of the substrate 5 to the depleted layer under the electrode 7, the light loss is reduced to obtain high conversion efficiency.
Patent JP-H0387048-A (JP)
Title: Formation of interlayer film
Inventor: OKAZAKI SHINGO
IPC: H01L23/522
Filed: 1989-08-30
Abstract: PURPOSE:To obtain an interlayer insulating film having a large flattening effect by a method wherein a wiring layer is laminated, an SiO2 film is formed on a substrate having steps and after a low-concentration glass liquid is spin coated and is heated, a glass spin coating film having a flat surface is again formed. CONSTITUTION:An SiO2 film 3 is formed on a metal wiring 2 on an Si substrate 1 by a CVD method. Then, a low-concentration spin-on glass liquid containing about 8% of a solid component concentration is spin coated in 1000rpm or thereabouts and a SOG layer 4 is formed by a prescribed heating treatment. The same SOG liquid as the above spin-on glass liquid is again spin coated on remaining steps in 2500rpm, a prescribed heating treatment is performed and a SOG layer 5 is formed. By this constitution, an interlayer insulating film, which consists of SOG and has a large flattening effect, can be formed and a film thickness unevenness can be also made small.
Patent JP-H0954232-A (JP)
Title: Production of optical cable and apparatus for production therefor
Inventor: OSAKO TAKUYA
IPC: G02B6/44
Filed: 1995-08-11
Abstract: PROBLEM TO BE SOLVED: To produce an optical cable under application of a slack to an optical fiber cable while saving space. SOLUTION: After the optical fiber cable 2 and a tension member 4 are delivered, the optical fiber cable 2 and the tension member 4 are integrated by a polyethylene extruder 8 in the state of applying tension on the tension member 4 by a brake 5 and keeping the cable and the member heated by a heater 6. The optical cable 10 formed in such a manner is taken up by a capstan constituted by having engaging grooves to be engaged with the optical cable in its cylindrical part and therefore, the cable is taken up by a take-up drum.
Patent JP-H0566622-A (JP)
Title: Image forming device
Inventor: TAKAHASHI TOMOHIKO
IPC: G06K15/14
Filed: 1991-09-05
Abstract: PURPOSE:To reduce occupancy area when a device for optional use is connected by carrying out printing on paper fed from a paper feeding cassette, a paper feeding device, and a large quantity paper feeding device, and ejecting the printed paper to a paper ejection tray, a paper refeeding part, or a large quantity ejected paper containing device. CONSTITUTION:The paper feeding device 2 is attached to a right side part of a laser printer 1, and a reversal part 3 of the automatic both side paper feeding device 5 in the left side part, the paper refeeding part 4 of the device 5 below that, the large quantity paper feeding device 6 below that, and the large quantity ejected paper containing device 7 below that, are each positioned, loaded, and placed on a shared loading rail. Then, a shared paper ejection tray 9 is fitted to the paper ejection part of the laser printer 1 and the device 5. Furthermore, the reversal part 3 is attached to an attachment part provided along with devices 6, 7, and a paper distribution device 8, and the reversal part 3 and the laser printer 1 can be independently loaded to each of the devices 6 to 8.
Patent JP-H04107841-A (JP)
Title: Apparatus and method for transporting semiconductor wafer
Inventor: OZAWA KEIKO
IPC: B65G1/00
Filed: 1990-08-28
Abstract: PURPOSE:To keep a fork arm out of contact with a wafer for preventing the wafer from being damaged by the fork arm by transporting the wafer with an elevator mechanism well controlled based on the stored information so that the fork arm may be inserted right between the wafers. CONSTITUTION:A hardware control section 109 of a control section 108 brings down an elevator mechanism 105 after receipt of a signal from a photodetector 104 which represents that a wafer 2 is not detected. Then, the movement information of the elevator mechanism 105 is stored in a wafer space storage section 110. When the wafer is detected, the amount of the movement stored in the wafer space storage section 110 is the wafer space shown as the movement information about the elevator. When the wafer space is smaller than the thickness of a fork arm 107, the wafer is damaged by the fork arm 107 during transportation. So, the hardware control section 109 reads out the data stored in the storage section 110 for comparing the wafer space with the thickness of the fork arm 107. When the wafer space is smaller than the thickness of the fork arm 107, the hardware control section 109 stops the transportation of the wafer, giving an arm.
Patent JP-H0274899-A (JP)
Title: Condensate pump controller of nuclear power plant
Inventor: TSUJI HIROSHI
IPC: G21D1/00
Filed: 1988-09-09
Abstract: PURPOSE:To keep a deviation level of a water level of a nuclear reactor within a permissible range and at the same time to maintain the minimum required flow rate for a condensate pump, as well, by outputting a stop-operation signal for one of the condensate pumps based on an activating signal for condensate pumps and also a not-activating signal for a feed water pump. CONSTITUTION:In case that a water level of a nuclear reactor 1 rises abnormally, an amount of a demanded feed water decreases substantially and therewith both a nuclear reactor feed water pump 7 driven by a turbine and a nuclear reactor feed water pump 9 driven by an electricity, as well, become impossible to continue to be operated, not-activating signals d, e and f from each activation detector 13a, 13b and 14, respectively, are fed to an AND circuit 21 and a stop-signal i for all the pumps is fed to an AND circuit 20. Then, a normal operation of any two pumps of high pressure condensate pumps is given in the form of a normal pump operation signal (h) to the AND circuit 20 and a stop-demanding signal for a pump operation is generated by a logic AND calculation and is output to one of the high pressure condensate pumps 5.
Patent JP-H0966817-A (JP)
Title: Wheel stop for engine generator with wheel
Inventor: SATAKE KIYOHIDE
IPC: B60T3/00
Filed: 1995-09-04
Abstract: PROBLEM TO BE SOLVED: To provide a wheel stopper, reliably stopping self-running of an engine generator with a wheel, through simple structure at a low cost. SOLUTION: A wheel stop for an engine generator with a wheel integrally comprises a placing plate part 4a having one end arranged in the proximity more in front than the ground touching part 3a of a wheel 3 on a road 6 along a self-running direction 5, in which there is a possibility for a wheel 3 to self-run, and placed on the road 6; a first inclination plate part 4b having a lower end connected to one end of the placing plate 4a in an inclination attitude in an up state toward a front along the selfrunning direction 5; and a second inclination plate part 4c having an upper end connected to the upper end of the first inclination part 4b and having a lower end making contact with a road 6 in an inclination attitude in a down state toward a front extending along the self-running direction 5.  A fit-in hole 7 formed in a rectangular shape having a lower edge 7a positioned approximately in flush with the upper surface of the placing plate part 4a is formed in the first inclination plate part 4b in such a manner that the front lower pat of the wheel 3 along the self-running direction 5 is fitted therein. The fit-in hole 7 is formed in size enough to be brought into a state wherein when the wheel 3 makes contact with an upper edge 7b, the wheel 3 is moved over the lower edge 7a.
Patent JP-2000057807-A (JP)
Title: Headlight device for vehicle
Inventor: KAKIZOE TAKASHIGE
IPC: B62J6/02
Filed: 1998-08-10
Abstract: PROBLEM TO BE SOLVED: To enhance visibility from the front and an appearance balance by increasing a light emitting area of a headlight device in a LO beam mode with a simple structure. SOLUTION: This device is equipped with a LO beam lamp 3, a HI beam lamp 4 by a projector method adjacent to it and a deflecting and projecting means to project the light onto the lens surface 17a of the HI beam lamp 4 by deflecting a part of the light from the LO beam lamp 3. A reflecting part 24 to lead a part of the reflected light reflected by a reflector 12 of the LO beam lamp 3 to the lens surface 17a of the HI beam lamp by making it further reflected, is preferable as the deflecting and projecting means. This reflecting part 24 is formed into a conical surface shape concentrically surrounding the periphery of the HI beam lamp 4.
Patent JP-H04107085-A (JP)
Title: Chroma signal generating circuit for image pickup device
Inventor: WATANABE MAKOTO
IPC: H04N5/262
Filed: 1990-08-27
Abstract: PURPOSE:To fade and erase colors at the surroundings of object images by generating chroma signals after mixing modulated differential signals, and controlling the gains of the chroma signals from a mixing means. CONSTITUTION:A tooth-shaped wave generating circuit 9 receives a horizontal drive pulse HDP generated by a synchronizing signal generating circuit 8, and outputs a tooth-shaped wave signal S2. A parabolic wave generating circuit 10 outputs a parabolic, wave signal S3 after responding to the signal S2. On the other hand, a tooth-shaped wave generating circuit 11 generates a tooth- shaped wave signal S2' based on a vertical drive pulse VDP, and a parabolic wave generating circuit 10 generates a parabolic wave signal S3' after responding to the tooth-shaped wave. Both the signals S3 and S3' are applied to a mixing circuit 23. A mixing circuit 7 superimposes a gain controlling voltage preliminarily set by a volume 6 and a control signal S4, and outputs it to an amplifying circuit 4.
Patent JP-S59127141-A (JP)
Title: Key increasing system of keyboard
Inventor: HAYASHI KANJI
IPC: H03M11/20
Filed: 1982-12-27
Abstract: PURPOSE:To increase the number of keys up to maximum (lXmXn) units for each (lXm) units or less by connecting plurality (n units for example) of additional keyboards in series to a main keyboard. CONSTITUTION:The switch input on each of increased keyboards B-1-B-n is identified by a key address selecting signal consisting of row selecting signals x1-xl and column selecting signals y1-ym. Thus the corresponding code is produced and then delivered as a code signal via a keyboard basic part BK. The keyboard B-1 contains a pair of (l-row X m-column) switch matrices having increased keys, a contact plug b1 for connection of front stage, a contact plug b2 for connection of rear stage and (n-1) sets of junction lines 2-n which give the short circuit to both plugs b1 and b2. A main keyboard A is connected in series to the keyboards B-1, B-2- through contact plugs a1, b1 and b2 by means of connection cables C-1, C-2-.
Patent JP-S6473146-A (JP)
Title: Air-fuel ratio control device for internal combustion engine
Inventor: NAKANIWA SHINPEI
IPC: F02D41/00
Filed: 1987-09-11
Abstract: PURPOSE:To improve convergence to a target airfuel ratio, by a method wherein, by means of a deviation from a target value of an air-fuel ratio detected bp an O2 sensor and a differential value, an air-fuel ratio feedback correction factor is set. CONSTITUTION:Detecting values from an airflow meter 13, a crank angle sensor 14, a water temperature sensor 15, and an O2 sensor 16 are inputted to a control unit 12, and an opening time of a fuel injection valve 6 is computed and controlled. The control unit 12 calculates a deviation between an air-fuel ratio detected by the O2 sensor 16 and a target air-fuel ratio responding to the number of revolutions and a fundamental fuel injection amount and a differential value (a change amount per a unit time) of the detected air-fuel ratio, and steppedly converts the calculating results. Based on the stepped value, an air-fuel ratio feedback correction factor is read from a memory map and set.
Patent JP-H1070530-A (JP)
Title: Information transfer system, information storage providing device and information device to be provided
Inventor: NAKAJIMA TATSUYOSHI
IPC: G06F17/30
Filed: 1996-08-28
Abstract: PROBLEM TO BE SOLVED: To efficiently obtain desired information almost in a real time by confirming the necessity of transfer object information and receiving it inside based on type information relating to transfer object information entered newly or updated. SOLUTION: After the processing by using time information, contents of packet information given from a time information identification section 12 by a decoding section 13 are decoded by using a decoding key relating to the transfer information type this time and the transfer information after processing is given to an information processing section 15. The transfer information is stored in an information storage section 16 with the time information received from the time information identification section 12 and when the storage of a series of transfer information is finished, an information input output section 17 conducts notice processing as to the presence of updated transfer information or newly received transfer information.  Then the information input output section 17 specified a server class, a genre class and information class and the information processing section 15 extracts transfer information on request.
Patent JP-H0972689-A (JP)
Title: Radiator tank with oil cooler
Inventor: TAJIMA MAKOTO
IPC: F01P11/08
Filed: 1995-09-04
Abstract: PROBLEM TO BE SOLVED: To largely reduce the manufacturing and assembling man-hours in a radiator tank with an oil cooler disposed at the tank of the radiator. SOLUTION: A tank body 21 is formed by extrusion molding of aluminum. A plurality of protrusions 23 extended axially in a longitudinal direction of the body 21 are integrally formed at a predetermined interval in the lateral direction of the body 21 to protrude from the bottom 21a of the body 21 to the inside, and a plurality of oil passages 23a are formed along the axial longitudinal direction of the protrusion 23.
Patent JP-H0898587-A (JP)
Title: Power circuit
Inventor: MORITA KOJI
IPC: H02M7/217
Filed: 1994-09-21
Abstract: PURPOSE: To provide a low-cost power circuit which can convert ac power to dc power and vary the dc output voltage. CONSTITUTION: A step-down transforming means 2 steps down ac power from an ac power supply 1. A rectifier means 3 rectifies the ac power stepped down by the step-down transforming means 2. A smoothing means 5 smoothes the output of the rectifier means 3. A timing detecting means 6 detects that the ac power from the ac power supply 1 reaches a specified voltage level. A timing control means 7 measures the time from the detection of the specified voltage value by the timing detecting means 6 and detects that the desired time has passed for the voltage. A phase control means 4 on/off-controls the output of the rectifier means 3 on a basis of detection timings of the timing detecting means 6. Therefore, the dc output voltage of the smoothing means 5 can be changed by changing the time measured by the timing detecting means 6.
Patent JP-H10101421-A (JP)
Title: Production of hydrodynamic ceramic bearing
Inventor: GHOSH SYAMAL K
IPC: C04B35/119
Filed: 1997-08-22
Abstract: PROBLEM TO BE SOLVED: To produce a ceramic hydrodynamic bearing and a bearing assemblage having both a rotating bearing or a stationary shaft and a rotating bearing which are readily usable with high reliability at a low production cost by carrying out specific eight steps. SOLUTION: This method for producing a hydrodynamic ceramic bearing comprises a step A of combining a zirconia powder 10 with one or more secondary oxide powders 102 and providing a zirconia alloy powder 104 in which the zirconia alloy has concentrations of the secondary oxides of 0.5-5mol% Y2 O3 , 0.1-1.0mol% MgO, 0.5-15mol% CeO2 , 0.5-7.0mol% Sc2 O3 and 0.5-5mol% CaO relatively to the total of the zirconium oxide alloy, a step A' which is an alternative method for mixing the particulate zirconia alloy 104 with a particulate zirconia oxide 103, cold compacting a particulate mixture 106, providing an unsintered blank 108, a step D for green machining the unsintered blank 108 and thereby affording a near net-shaped bearing 110, a step E of forming air inlet ports and a step F of forming air channels therein,  sintering the near net-shaped ceramic bearing and providing the hydrodynamic bearing 116.