baber/WOPTO huggingface dataset:
Patent JP-S61186022-A (JP)
Title: Clock pulse generating circuit
Inventor: AOKI HIROSHI
IPC: H03B5/32
Filed: 1985-02-13
Abstract: PURPOSE:To keep stable oscillation even if a large through-current flows to a frequency division circuit by using a buffer circuit producing a voltage corresponding to a source potential of an oscillation circuit as at least a part of power supply of the frequency division circuit frequency-dividing an output of the oscillation circuit. CONSTITUTION:A crystal oscillation circuit 1 and a frequency division circuit 2 are driven at constant current by a constant circuit 6 and do not consume useless current even if a power voltage VDD is fluctuated. On the other hand, a voltage VL based on a source potential VS of the crystal oscillation circuit as a reference and nearly equal thereto is produced from a differential amplifier 7 as a buffer circuit and used as a power supply for a frequency division circuit 3. Even when the level of the frequency division circuit 3 changes from logical '1' to logical '0' and a large through-current flows, since the differential amplifier 7 exists, no effect is given on the crystal oscillating circuit 1 and the frequency division circuit 2. Thus, the constant current drive is attained up to the frequency division circuit 3 and the current consumption is suppressed over a wide voltage range.
Patent JP-S58143592-A (JP)
Title: Light emitting diode
Inventor: MUNAKATA JIYUN
IPC: G02B6/42
Filed: 1982-02-22
Abstract: PURPOSE:To produce light emitting diode with high optical coupling efficiency making optical fiber fitting accurate and easy by a method wherein a guide hole the bottom of which is opposing to the luminous P-N junction is provided in a light taking out hole to insert the end of optical fiber into the bottom of the guide hole. CONSTITUTION:With specified voltage impressed on a part of leads 10, 11, P-N junction 1 is illuminated and light ray 1 reaches the bottom of a guide hole 14 through compound semiconductor layer to be taken in and received by the end of core 15 of optical fiber 5 opposing to the bottom. The optical coupling effect is enhanced because high density light flux may be taken in due to less optical dispersion than that in conventional optical fiber since the gap between the guide hole bottom and P-N junction is reduced down to several scores of mum. On the other hand, in case of assembling, core 15 and P-N junction 1 may be automatically located by means of simply inserting the end of core 15 of optical fiber 5 into the guide hole 14 of luminous element 4. Therefore the troublesome locating optical fiber 5 may be made needless improving working efficiency and cutting down the assembling cost.
Patent JP-H04264380-A (JP)
Title: Device for sleeping
Inventor: KUNIMOTO KEIJIRO
IPC: H05B3/00
Filed: 1991-02-20
Abstract: PURPOSE:To heat the whole of bedding quickly, and giving the functions for pre-heating, heat insulation, drying and cooling by providing a wind blowing means and a mode selecting switch besides an electric heater. CONSTITUTION:A wind blowing means 5 and a mode selecting switch 7 are provided beside an electric heater 1 and a temperature detecting means 2. When the switch 7 is selected to be a drying mode, the electric heater 1 and the wind blowing means 5 are started, and the whole of a bedding is warmed quickly by the forced convection, and when the temperature detecting means 2 detects a set temperature (ta), the heater 1 is turned on/off. When the switch 7 is selected to be a pre-heating/heat insulation mode, the heater 1 and the wind blowing means 5 are started till the temperature arrives a set temperature (ta), and when the temperature arrives the temperature (tb), the wind blowing means 5 is stopped, and only the heater 1 is turned on/off. When the switch 7 is selected to be a wind blowing mode, only the wind blowing means 5 is started to cool a container 3 quickly.
Patent JP-S60170992-A (JP)
Title: Optical integrated circuit
Inventor: SUZAKI SHINZOU
IPC: H01S5/12
Filed: 1984-02-16
Abstract: PURPOSE:To attain a high industrial productivity by a method wherein a plurality of photo elements provided in a single substrate is intercommunicated in an outer wave path so that laser coupling of the photo elements with the outer wave path may be properly established. CONSTITUTION:A laser-emitting element 14 and laser-receiving element 13 are formed on a semiconductor substrate 1. The element 14 is of a distributed feedback type, with the surface of diffraction lattice 4 provided on the substrate 1 facing an activation layer 3 inside the element 14. The element 13 is again of the distributed feedback type, incorporating a lattice surface 4 provided within a mode selecting feature within. An end face 24 of the element 13 is a crystal cleavage face wherefrom a laser beam is emitted. Between the elements 14, 13, an outer wave path 9 is provided, not furnished with a diffraction lattice face, for the establishment of optical coupling. The beam outputted by the element 14 is led through a wave path 9 to be guided into the element 13 and the yielded power is monitored there. With the circuit being constructed as such, the growth is effected with ease on crystals between the wave paths inside the elements 14, 13 constituting the outer wave path 9, ensuring operation even in the presence of coupling inefficiency. This results in an excellent industrial productivity.
Patent JP-H07203949-A (JP)
Title: Production of genetic product of escherichia coli using blue-green alga
Inventor: YANO SHINICHI
IPC: C12N9/16
Filed: 1994-01-27
Abstract: PURPOSE:To obtain a new transformant from a blue-green alga capable of extracellularly releasing a genetic product which is a useful substance and readily separating and purifying the genetic product due to a culture medium which is simple inorganic salts. CONSTITUTION:This method for producing a genetic product of Escherichia coli is to insert a signal sequence (or a partial sequence capable of coding the signal sequence and several amino acids following thereto) in a gene of a beta-lactamase, an alkaline phosphatase, a maltose-binding protein or an arabinose-binding protein which is present in the periplasm of the Escherichia coli into the N-terminal of a structural gene of the objective product, prepare a vector for recombining a blue-green alga, transduce the resultant vector into the blue-green alga, afford a transformant capable of the performing the photosynthesis and readily carrying out the mass culture, grow the resultant transformant in a usual culture medium, transfer the grown transformant to a hypotonic liquid and thereby release the genetic product.
Patent JP-S53110728-A (JP)
Title: Fuel supply controller for internal combustion engine
Inventor: TATEYAMA KANJI
IPC: F02M7/04
Filed: 1977-03-10
Abstract: PURPOSE: To improve the exhaust gas purification effect, without damaging operation property over the whole operation range, in a fuel supply controller provided with a carbureter at its extending part. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S58142904-A (JP)
Title: Preparation of solid titanium trichloride catalyst
Inventor: SHIGA AKINOBU
IPC: C08F4/64
Filed: 1982-02-19
Abstract: PURPOSE:To facilitate the filtration and obtain the titled catalyst capable of giving highly crystalline olefinic polymers with a high efficiency, by reducing TiCl4 with an organoaluminum compound, reacting the reduction product with a halogen compound and an ether compound, separating the reaction mixture into a solid and a liquid, and washing the resultant solid with an aliphatic hydrocarbon. CONSTITUTION:Titanium tetrachloride is reduced with an organolauminum compound expressed by the formula R<1>nAlY3-n (R<1> is 1-18C hydrocarbon; Y is H or halogen; 1<n<=3) to give a reduced solid, which is optionally heat-treated at 150 deg.C or below to afford a titanium trichloride composition consisting of the heat-treated solid. The resultant solid or titanium trichloride composition is then reacted with a mixture consisting of a halogen expressed by the formula X2 (X is Cl, Br orI) or an interhalogen compound expressed by the formula XX,a (X' is Cl, Br orl; a is 1 or 3) and an ether compound expressed by the formula R<2>-O-R<3> (R<2> and R<3> are 1-10C alkyl) in an aromatic hydrocarbon solvent. The resultant reaction mixture is then separated into a solid and a liquid, and the separated solid is washed with an aliphatic hydrocarbon as a washing medium to afford the aimed catalytic component.
Patent JP-H01202813-A (JP)
Title: Manufacture of semiconductor device
Inventor: TATSUTA SHIGERU
IPC: H01L21/304
Filed: 1988-02-09
Abstract: PURPOSE:To increase the number of chips to be formed out of one substrate, and to decrease a manufacturing cost by mirrorpolishing a substrate having a larger diameter than that of a compound semiconductor substrate, forming a mirror-polished face thereon, and laying and adhering a plurality of compound semiconductor substrates formed along the cleaved face. CONSTITUTION:Nine compound semiconductor substrates 11 having a planar orientation (100) are mirror-polished, and a substrate 12 having a planar orientation (100) having a larger diameter than that of the substrate 11 is mirror- polished. Since the previously polished substrate 11 has the planar orientation in a plane (100), it can be easily formed in a square shape by utilizing its cleavage. The nine substrate 11 mirror-polished and formed on the substrate 12 are laid to match the cleaved faces 13. The substrate 12 and the laid substrates 11 are adhered in such a manner that the mirror-polished faces are faced. Thus, the number of chips to be formed out of one substrate is increased, and its manufacturing cost is decreased.
Patent JP-S52111187-A (JP)
Title: Method and apparatus for loading large heavy load
Inventor: ABE KATSUNORI
IPC: B65G67/60
Filed: 1976-03-12
Abstract: PURPOSE: To safely and efficiently load large heavy load by means for conveying the load from the ground on second deck while controlling the level of the deck provided on floating dock to always become horizontal in response to the inclination of the floating dock. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H11286558-A (JP)
Title: Flat plate and light guide plate
Inventor: KOFUCHI KAZUYUKI
IPC: C08J5/18
Filed: 1999-02-03
Abstract: PROBLEM TO BE SOLVED: To provide a flat plate excellent in light transmissivity, low water absorptivity, mechanical strength, and thin and scarce in color change, and a precise light guide plate having the same properties. SOLUTION: This flat plate consists of a cyclic olefin polymer having weight average molecular weight of 5,000 to 50,000 which comprises 30 wt.% or more of a repeating unit having an alicyclic structure (A) and 30 wt.% or more of which repeating unit is free from nonbornane.
Patent JP-H09217670-A (JP)
Title: Protective film forming method in nozzle pore
Inventor: NAKANISHI MASAJI
IPC: F02M61/18
Filed: 1996-02-14
Abstract: PROBLEM TO BE SOLVED: To unify the film thickness especially by a dipping method and provide a protective film at a specified position concerning a protective film forming method in a nozzle pore. SOLUTION: It is a method to form a protective film of a liquid repelling film, etc., in a nozzle pore by a dipping method, a needle for guiding to pass through the inside of the nozzle pore in a state where a part of it is put out of liquid is passed into coating liquid, a nozzle is soaked to a specified position of the coating liquid, and thereafter, the nozzle is lifted up in a state where the aforementioned needle for guiding is passed through the aforementioned nozzle pore in the nozzle pore. Additionally, it is a method to form the protective film of the liquid repelling film, etc., in the nozzle pore by the dipping method, capacity in the pore is made previously decided constant capacity by putting a specified size plug 2 on the rear end side of the nozzle, thereafter, it is soaked in the coating liquid and lifted up.
Patent JP-S61187287-A (JP)
Title: Semiconductor light-emitting device
Inventor: ISOZUMI SHOJI
IPC: H01S5/00
Filed: 1985-02-14
Abstract: PURPOSE:To lower a threshold, to enable response at high speed and to improve yield by forming two grooves, insides thereof have stepped sections while penetrating a junction, to a multilayer semiconductor crystal with a double hetero- junction and burying the insides of the grooves and the surface of the multilayer semiconductor crystal by a semiconductor layer. CONSTITUTION:An n-InP layer 12 as a clad layer, an un-doped InGaAsP layer 13 as an active layer and a p-InP layer 14 as a clad layer are liquid-phase grown on an n-InP substrate 11 in succession. A composite mask pattern of an SiO2 layer 15 and a resist film 16 is applied, and grooves are shaped through etching. The resist film 16 is removed, and two-step structure is formed outside both grooves through etching while using the SiO2 layer 15 as a protective film. The SiO2 layer 15 is removed, and four layers of an n-InP layer 17, a p-InP layer 18, an n-InP layer 19 and a p-InP layer 20 as buried layers and a p<+>-InGaAsP layer 21 as a contact layer are liquid-phase grown in succession while coating the grooves. Accordingly, leakage currents flowing through the active layer except a light-emitting region are obstructed in a buried type laser, thus resulting in the lowering of a threshold, response at high speed and the improvement of yield.
Patent JP-H02208165-A (JP)
Title: Control device for electrically-operated power steering device
Inventor: OSHITA SAIICHIRO
IPC: B62D5/04
Filed: 1989-02-06
Abstract: PURPOSE:To enable prevention of a delay in a phase of signal transmission and the generation of self-exciting vibration during steering without driving by a method wherein a phase advancing compensating means which adds a signal proportioning a differentiating value of an input signal to an input signal is mounted between an output torque value indication function part and a control circuit. CONSTITUTION:A second phase compensating part 81 outputs a signal proportioning a differentiating value of an output signal represented by an addition signal of an assist direction motor current command value (i) or an assist direction motor current command valve (i) and a phase motor current command ip and an addition circuit 82 adds a signal, outputted from the compensating part 81, to an input signal. A phase advance compensating means 8 formed with a second phase compensating part and the addition circuit is provided between an output torque value indication function part 2 and a control circuit 5. This constitution not only enables prevention of worsening of response during steering due to a delay in a phase of signal transmission and the influence of inertia of an electric motor 6 by means of first and second phase compensating parts 3 and 81 but also permits prevention of the generation of self- exciting vibration during steering without driving.
Patent JP-H08222851-A (JP)
Title: Manufacture of circuit board
Inventor: TAKENAKA TOSHIAKI
IPC: H05K3/40
Filed: 1995-02-15
Abstract: PURPOSE: To stabilize the adhesion and release properties of a prepreg sheet and high polymer films on both surfaces of the prepreg sheet. CONSTITUTION: Through holes 3 are formed at prescribed places of a prepreg sheet 1 which carries high polymer films having no release property on both surfaces of the sheet 1 and has a thickness of t1 by utilizing the laser beam machining method, etc., and filled up with conductive paste 4 by using, for example, the printing method. Then the films 7 are removed from both surfaces of the sheet 1 while the sheet 1 is heated to a temperature higher than the melt starting temperature of a thermosetting epoxy resin contained in the sheet 1. Finally, a circuit is formed by patterning metallic foils 5 stuck to both surfaces of the sheet 1 by heating and pressurizing by performing etching, etc., the foil 5.
Patent JP-H11225115-A (JP)
Title: Wavelength multiplex transmission system
Inventor: NODA KENTA
IPC: H04B10/58
Filed: 1998-02-09
Abstract: PROBLEM TO BE SOLVED: To provide a wavelength multiplex transmission system by which deterioration in communication quality such as wavelength deviation of an optical signal and a characteristic change in an optical amplifier is easily detected with a small system scale. SOLUTION: An optical receiver 300 that receives an optical signal applying wavelength multiplexing to pluralities of signals is provided with optical current monitor circuits 17-19 that measure a current indicating intensity of a received light of optical receivers 14-16 receiving a signal with each wavelength for each received light and with a controller 20 that obtains a change with respect to a predetermined initial setting value and detects occurrence of deteriorated communication quality and a cause to the deterioration by comparing the arrangement of the changes for each wavelength with a predetermined conditional pattern.
Patent JP-H06218948-A (JP)
Title: Recording apparatus
Inventor: YOSHIKAWA HISASHI
IPC: B41J2/21
Filed: 1993-01-25
Abstract: PURPOSE:To make the ink lives of respective recording heads almost uniform by uniformizing the ink use amts. of a plurality of the recording heads by alternately performing recording operations at every one line or two or more lines when at least two among a plurality of the recording heads are the same color. CONSTITUTION:Recording heads 3', 3'' are preset so as to stop at the positions opposed to ink absorbing parts 35, 36 or ink absorbing parts 37, 38. A means capable of selecting whether the recording heads 3', 3'' are the same color or different colors is provided and, when the recording heads are the same color, the recording heads performing recording operations at every one line recording operation are changed in order to make the recording chances of the respective recording heads almost uniform to allow the timings reaching the ink lives of the recording heads to mutually approach as close as possible. The replacing timings of the recording heads can be set to the almost same chance and the efficient use of ink can be realized.
Patent JP-2000218561-A (JP)
Title: Torque ensured tightening device
Inventor: HIROSAKI KAZUSADA
IPC: B25B23/14
Filed: 1999-02-04
Abstract: PROBLEM TO BE SOLVED: To make torque controllable singly by an impact wrench. SOLUTION: An impact wrench 4 is rotatably supported through bearings 2, 3 to an inner side of a wrench supporting case 1, a torque ensuring means 5 is provided between the impact wrench 4 and the wrench supporting case 1. The torque ensuring means 5 is provided with a push bar 13 integrally and rotatably fixed to a side of the impact wrench 4 and a coil spring fixing one end to a side of the wrench supporting case 1, the coil spring turns the push bar 13 energized to a tightening side to support reference tightening torque. When rotation of a bolt is stopped by tightening of the impact wrench 4, it is reversely rotated by reaction force thereof, tightening of prescribed torque is completed when elastic force of the coil spring is overcome, and the torque is ensured by this reverse rotation.
Patent JP-H04265938-A (JP)
Title: Driving method for liquid crystal electrooptic element
Inventor: ITO AKIHIKO
IPC: G02F1/133
Filed: 1991-02-21
Abstract: PURPOSE:To improve the display quality by eliminating the crosstalk of a liquid crystal display which makes a gradational display by a pulse-width modulation system. CONSTITUTION:By an output method for signal electrode waveforms 213 and 214, the waveforms A and B are outputted alternately when having the same polarity and the same waveform continues before and after the polarity changes, thereby generating a correction voltage pulse in a direction wherein a spike voltage generated in the nonselection period of a scanning electrode waveform 215 is canceled. The influence of the distortion of the waveform of a signal electrode driver 210 is exerted equally on any signal electrode 216 and the influence of the spike voltage of the scanning electrode waveform 215 is suppressed to greatly decrease the crosstalk, thereby improving the display quality.
Patent JP-H01202873-A (JP)
Title: Semiconductor photodetector and manufacture thereof
Inventor: KATO TAKASHI
IPC: H01L31/10
Filed: 1988-02-08
Abstract: PURPOSE:To facilitate integration, and to improve frequency response and spectrum sensitivity characteristics by forming an end face to a first semiconductor layer shaped onto a substrate and forming a second semiconductor layer while being brought into contact with an intrinsic semiconductor layer coating the end face. CONSTITUTION:An end face is shaped to a first conductivity type semiconductor layer 2 formed onto an insulating or semi-insulating substrate 1, and a second conductivity type semiconductor layer 6 is shaped onto the substrate 1 while being brought into contact with an intrinsic semiconductor layer 5 coating the end face, thus forming P-I-N structure along the surface of the substrate 1. Consequently, the insulating or semi-insulating substrate 1 operates so as to stop leakage currents generated through said structure, light is projected to each surface of the first semiconductor layer 2, the intrinsic semiconductor layer 5 and the second semiconductor layer 6 to form carriers, and the carriers flow into the intrinsic semiconductor layer 5 and a depletion layer deeply shaped near the layer 5, and are extracted to the outside through first and second electrodes. Accordingly, a semiconductor photodetector proper to integration and excellent in response characteristics and spectrum sensitivity characteristics is acquired.
Patent JP-2000226590-A (JP)
Title: Boride self-lubricant composite material
Inventor: NAKAI TAKESHI
IPC: C10M103/04
Filed: 1999-02-04
Abstract: PROBLEM TO BE SOLVED: To provide a composite material including a solid lubricant that is dense, has a low friction coefficient, shows a small comparative abrasion quantity and can be used in the all kinds of atmospheres. SOLUTION: Tungsten disulfide in an amount of 20-60 wt.%, Ni-20Cr-3B in an amount of 1.5-3.0 wt.%, Ni-12.7B in an amount of 2.0-3.5 wt.% and the rest amount of WB are mixed, molded and sintered. Particularly, the particle size of tungsten disulfide is adjusted to <=2 μm.
Patent JP-H05197167-A (JP)
Title: Electrophotographic photosensitive body
Inventor: ASHITANI SEIJI
IPC: G03G5/05
Filed: 1992-01-20
Abstract: PURPOSE:To provide an electrophotographic photosensitive body having high photosensitivity and excellent environment-resistant stability, having little residual potential and little increase of the blank section potential at the time of repeated use, and capable of suppressing the desensitization of photosensitivity. CONSTITUTION:An electrophotographic photosensitive body is constituted of at least a charge generating layer dispersed with a charge generating material in binding resin on a conducting substrate and a charge transporting layer containing a charge transporting material, and the ionization potential of the binding resin of the charge generating layer is equal to the ionization potential of the charge generating material or a value between the ionization potential of the charge generating material and the ionization potential of the charge transporting material.