baber/WOPTO huggingface dataset:
Patent JP-H0364110-A (JP)
Title: Gain control circuit
Inventor: SATO MASAHIKO
IPC: H03G3/10
Filed: 1989-08-01
Abstract: PURPOSE:To expand the dynamic range by connecting a source of a 4-pole MOS field effect transistor(TR) directly to a reference potential point. CONSTITUTION:A 4-pole MOS field effect TR 1 has a 1st gate G1, a 2nd gate G2, a drain D and a source S, the 1st gate G1 is connected to an input terminal 2, the source S is connected directly to a reference potential point, and the drain is connected to an output terminal 3 and a power supply terminal VCC via a load RL. Since the source S of the 4-pole MOS field effect TR 1 is connected directly to the reference potential point in such a way, the dynamic range is expanded without a voltage drop across a source resistor.
Patent JP-S6259773-A (JP)
Inventor: OISHI SHOICHI
IPC: E04H15/54
Filed: 1985-09-06
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-2001019290-A (JP)
Title: Controller of elevator
Inventor: OKUDA SEIJI
IPC: B66B3/00
Filed: 1999-07-13
Abstract: PROBLEM TO BE SOLVED: To improve the speed controllability of an elevator and to realize the optimum operation control by operating the optimum control constant with respect to a hoisting motor to execute the correction, using the data collected by a motor characteristic measuring means and the data input from a constant input means in the reforming of the elevator. SOLUTION: When the characteristic optimizing mode for optimizing the characteristic of an elevator control system is selected by a mode switching device 18, an electric current value is detected first of all by applying the constant voltage to a DC motor 5 while applying a brake 11 to a hoist, to grasp the winding resistance of the DC motor 5. Similarly the inductance of the DC motor 5 is detected by applying a constant voltage value to the DC motor 5 with a stepped pattern while applying the brake 11 to the same. The operation for optimizing each control constant of a speed control circuit and a current control circuit is executed on the basis of the operated resistance value of the DC motor 5, the inductance, the input of constant from a constant input device 19, and the moment of inertia of the elevator, to correct the costant.
Patent JP-S58100213-A (JP)
Title: Manufacture of magnetic head
Inventor: TAMURA MITSUHARU
IPC: G11B5/23
Filed: 1981-12-11
Abstract: PURPOSE:To reduce the film thickness of a soft magnetic film to track width size efficiently at high yield, by finishing the depth of a groove to the film thickness size when a step or groove is worked in the soft magnetic film, and thus forming a gap surface. CONSTITUTION:On a nonmagnetic substrate 13, a soft magnetic film 14 is  formed and step work of size D less than the film thickness size of the film 14 is performed by using a high-hardness cutting tool 15 to remove a removal part until the substrate 13 is exposed, forming a step having a gap surface 17. On the film 14 after the step work, a gap spacer film 13 having such a film thickness that the normal-directional size of the surface 17 is working gap and a soft magnetic film 19 are formed in order and the film thicknesses of the films 14 and 19 are reduced to track width size T to form the working gap 20. Then, an interlayer insulating film 21 and a soft magnetic film 22 are formed and a groove is formed in the film 22. On the film 22, a nonmagnetic material 26 is provided to fill the groove 25, and a nonmagnetic plate 28 is adhered thereupon; and a winding window 29 is bored at a prescribed position, thus manufacturing a head chip.
Patent JP-S58100519-A (JP)
Title: Surface acoustic wave device
Inventor: YUHARA AKITSUNA
IPC: H03H3/08
Filed: 1981-12-11
Abstract: PURPOSE:To relieve the dispersion in the accuracy of electrodes and to improve the yield, through the ball bonding of a strip line provided electrically in parallel to a strip line for transmission and reception electrode matching by closing the lines partially. CONSTITUTION:In parallel to a matching use thin film strip line 2 provided in parallel with a transmission and reception wave electrode 1, an electric parallel strip line 5 is provided, and two closely located parts 6 to the matching strip line 2 of the line 5 are provided over a length of 150mum with a prescribed interval. In wire bonding corresponding to the electrode width of the electrode 1, the ball bonding and wedge bonding of the wire bonding are done for the two parts 6, the lines 5 and 2 are connected electrically at the two parts, the line 5 is brought to the state close to short-circuit between the two parts 6, to reduce the inductance.
Patent JP-H07132043-A (JP)
Title: Preservation of fish meat and frozen fish meat
Inventor: ISHIDA TAKASHI
IPC: A23B4/08
Filed: 1992-07-24
Abstract: PURPOSE:To provide a process for the preservation of fish meat capable of keeping fish meat to a state having fresh quality and taste comparable to those of live fish over a long period and provide frozen fish meat obtained by this process. CONSTITUTION:This preservation process comprises a step to contact fish meat formed to a prescribed form with oxygen gas and carbon dioxide gas at a temperature above the freezing temperature of the fish meat to effect the absorption of the oxygen gas and the carbon dioxide gas into the fish meat and the freeze-preservation step of the fish meat containing absorbed oxygen gas and carbon dioxide gas at a temperature below the freezing temperature of the fish meat. Frozen tuna meat prepared by this process keeps the quality and taste comparable to those of raw tuna meat over a long period. Furthermore, the quality and taste of the fish meat can be maintained to the level similar to those of raw tuna meat even by a conventional freeze-preservation process to perform the freeze-preservation at about -180 deg.C.
Patent JP-S5987725-A (JP)
Inventor: YAMAJI SHIGERU
IPC: H01H33/70
Filed: 1982-11-10
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-S6175620-A (JP)
Title: Logic circuit
Inventor: HIRASAWA TSUTOMU
IPC: G06F7/00
Filed: 1984-09-21
Abstract: PURPOSE:To attain the change of logic of a part or all logic circuits by reinputting a shift data even to printed circuit in actual embodiment. CONSTITUTION:When a data is stored in a shift memory13, the data is shifted and stored sequentially by a shift clock signal fed from a clock terminal 14. The data is stored respectively in circuits 1-1-1-4 by the shift operation, the circuit 1 acts like an inverter (NOT), the circuit 1-2 acts like a NOR, the circuit 1-3 as an AND circuit and the circuit 1-4 acts like an exclusive OR (EOR). On the other hand, terminals 15, 16 are given to the circuit 1-2. Further, a terminal 17 is connected to one input of the circuit 1-1 and a terminal 18 is connected to one input of the circuit 1-4 respectively. Each output of the circuits 1-2 and 1-1 is inputted to the circuit 1-3, and the output of the circuit 1-3 is fed to the other input of the circuit 1-4, then the circuit shown in figure A is logic circuit shown in figure B.
Patent JP-H0368581-A (JP)
Title: Parasiticide
Inventor: MAEDA HIROSHI
IPC: A23K20/195
Filed: 1990-07-26
Abstract: An antibiotic compound of the formula:- <CHEM> is an antiparasitic agent active against insect pests, acari, free living nematodes and endo- and ectoparasites. It is prepared by fermentation using the microorganism Streptomyces griseochromogenes ATCC 53928.
Patent JP-H02276645-A (JP)
Title: Anti-bending device for sheet printer
Inventor: KOJIMA YASUTAKA
IPC: B65H5/06
Filed: 1988-08-09
Abstract: PURPOSE:To facilitate preparation for printing by fixing a brush wheel and a stop roll to a frame moving on a rack secured to a fixed frame then adjusting the positions of the brush wheel and the stop roll to the paper end. CONSTITUTION:Upon counter clockwise rotation of the handle 48 of a moving shaft 36, a gear 35 secured to the moving shaft 36 also rotates counter clockwise. Since the gear 35 is engaged with a rack 30, a moving frame 34 moves on the rack 30 thus moving a brush wheel 32 and a stop roll 33 secured to the shaft 44 of the moving frame 34 in the direction of an arrow A. The brush wheel 32 and the stop roll 33 are positioned to the end of a paper and the moving shaft 6 is locked with a locking screw 49. If the paper has long longitudinal dimension, the handle 48 is rotated clockwise. By such arrangement, the stop roll and the brush wheel can be moved at a single touch according to the paper size.
Patent JP-2000030828-A (JP)
Title: Semiconductor chip and contact sheet
Inventor: WATANABE YOSHINORI
IPC: G01R1/073
Filed: 1998-07-14
Abstract: PROBLEM TO BE SOLVED: To precisely align a semiconductor chip with a contact sheet at any time. SOLUTION: When a semiconductor chip 1 is dropped in along a test socket guide block 7 the semiconductor chip 1 is roughly aligned with a contact sheet 3 under the guidance of the guide block 7 firstly. Then, hemispheric contact terminals 2 of the semiconductor chip 1 are guided by ring parts of ring-shaped contact terminals 9 of the contact sheet 3 so as to be fitted into the ring-shaped contact terminals 9 of the contact sheet 3. Thus the semiconductor chip 1 is roughly aligned with the contact sheet 3 under the guidance of the guide block 7, and then, the semiconductor chip 1 is newly aligned with the contact sheet 3 by the ring-shaped contact terminals 9 of the contact sheet 3.  Accordingly, because the semiconductor chip 1 is precisely aligned with the contact sheet 3 at any time, no displacement between each the contact terminal 2 of the semiconductor chip 1 and each the contact terminal 9 of the contact sheet 3 occurs so that the two contact terminals 3, 9 are electrically connected without fault.
Patent JP-H08338208-A (JP)
Title: Valve system for internal combustion engine
Inventor: FUJII NORIAKI
IPC: F02P13/00
Filed: 1996-07-29
Abstract: PURPOSE: To heighten the supporting rigidity and to minaturize the structure of a valve system by forming a supporting part in such a manner that the more a communicating hole is opened, the more the quantity of insertion increases, thereby minimizing the overhang of a rocker arm shaft projecting beyond a plug inserting cylinder. CONSTITUTION: A rocker arm shaft for supporting a rocker arm takes the shape of a minor axis 21a that is divided in its axial direction. A pair of supporting parts 31a, 31a, which support one end of these minor axes, are formed in the same axis line and as integrated bodies with a plug inserting cylinder 31. A communicating hole 38 connecting a plug hole 30 within the plug inserted cylinder 31, which was opened when these supporting parts 31a, 31a are constituted, and the supporting parts 31a, 31a is closed with a cylinder pipe 39 that was inserted into the plug hole 30.
Patent JP-H0483219-A (JP)
Title: Rotary reflecting mirror
Inventor: OSANO NAGATO
IPC: G02B26/12
Filed: 1990-07-26
Abstract: PURPOSE:To decrease the incidence angle dependency by coating the surface of an aluminum alloy mirror with an aluminum oxide film and specifying the optical thickness of this aluminum oxide film. CONSTITUTION:The surface of the aluminum alloy mirror is coated with the aluminum oxide film, whose optical thickness is set to lambda0/5.5 - lambda0/4.3, lambda0/3.12 - lambda0/2.23, or lambda0/1.34 - lambda0/1.28, where lambda0 is the wavelength of scanning light. In this case, the film contains 2.5 - 5.5wt.% Mg, 0 - 0.5wt.% Si, and 0.001wt.% other impurities. Consequently, the property of the mirror surface is good, so the film is not peeled and the optical film thickness has small dependency over a wide range, so stable performance is obtained.
Patent JP-H0643329-A (JP)
Title: Optical device
Inventor: YAMAMOTO TOSHIO
IPC: G02B6/122
Filed: 1992-07-27
Abstract: PURPOSE:To obtain an optical device provided with a circular waveguide with high conversion efficiency by arranging refracting gratings in radial shape at the outside of an annular optical waveguide. CONSTITUTION:The circular waveguide 62 and a linear waveguide 64 to introduce light to the waveguide are provided at a substrate 66. The radius, width thickness, and refracting index distribution of the circular waveguide 62 are set so as to circulate continuously light of 2pir/n(r: radius of circular waveguide, n: certain natural number) in the inside of the waveguide in a direction of arrowhead. A grating 68 is formed on the upper plane of the circular waveguide 62 at pitch of 2pir/(n+1). Also, another grating 70 is provided on the upper plane of the substrate 66. The grating 70 is provided with the same number of teeth as that of the grating 68.
Patent JP-S58104029-A (JP)
Title: Preparation of expanded molded article of natural glass
Inventor: TOSHITANI KAZUYUKI
IPC: C03B19/08
Filed: 1981-12-11
Abstract: PURPOSE:To prepare the titled molded article having voids sufficiently packed between expanded particles, having low bulk density, improved heat insulating properties, and water resistance, by heating natural glass particles previously preheated at a specific temperature so that they are expanded and fused. CONSTITUTION:Natural glass particles such as perlite, obsidian, fluolite, etc. are previously preheated at 600-900 deg.C for 2-6min. They are put in a mold, heated, expanded and fused in a furnace such as Muffle furnace to prepare expanded molded article. By preheating in this way, the magnification of expansion during expansion under heating can be improved extremely, and the voids between the particles can be sufficiently packed and fused.
Patent JP-H0549261-A (JP)
Title: Controller for power converter
Inventor: IKIMI TAKASHI
IPC: H02M1/14
Filed: 1991-08-08
Abstract: PURPOSE:To provide a controller for power converter which conver AC power supply into DC power wherein the operation is stabilized, without sacrifice of response of DC voltage control system, by eliminating pulsation of DC voltage due to imbalance of power supply voltage or dead time distortion of input current. CONSTITUTION:An AC power supply 1 is converted through a power converter 2 comprising a self-extinguishing element into DC power which is then inverted through an inverter unit 3 into variable frequency AC power for driving a motor 4. A DC voltage detector 5 detects DC output voltage of the power converter 2 and outputs a DC voltage detection value Vdc. A notch filter 8 removes components, pulsating at specific frequencies, from the DC voltage detection value Vdc and produces a new DC voltage detection value Vdc'. A DC voltage controller 6 outputs an effective component current command Iq* for matching the new DC voltage detection value Vdc' with a DC voltage command Vdc*. A current controller 7 delivers a firing signal for the power converter 2 thus controlling the input currents iu, iv, iw to the power converter 2.
Patent JP-H01151554-A (JP)
Title: Novel production of 1,4-dihydropyridine derivative
Inventor: FUJIKURA TAKASHI
IPC: A61K31/445
Filed: 1988-08-09
Abstract: PURPOSE:To obtain a compound useful as a preventive and remedy for angina pectoris, hypertension, arrhythmia, etc., by reacting a halogen or sulfonic acid compound with (S)-2-hydroxy-3-phenoxypropylamine. CONSTITUTION:A halogen or sulfonic acid compound shown by formula I (R<1> and R<2> are lower alkyl; A is single bond or vinylene; X is halogen or organic sulfonic acid residue; m and n are 1-3) is reacted with (S)-2-hydroxy-3- phenoxypropylamine in a solventless state or in a solvent such as benzene preferably in the presence of a base (e.g. pyridine) at room temperature - under heating to give the aimed compound shown by formula III. The compound shown by formula III has excellent Ca antagonism and beta sympatholytic action.
Patent JP-H1025931-A (JP)
Title: Mounting construction of furring strip and the like in fence
Inventor: NAITO TATSUO
IPC: E01F13/00
Filed: 1996-07-10
Abstract: PROBLEM TO BE SOLVED: To provide mounting construction of furring strips capable of increasing mechanical binding strength, at the same time, stabilizing fitting conditions and having a good appearance. SOLUTION: A pair of rectangular bearing plates 5 arranged at an interval in the horizontal direction are provided to sides opposed to each other of a post 1, bearing members 3 having triangular plate-like locking projections 6 gradially increasing projecting quantity from the outside with distance from above to below are fixed to the ends of both bearing plates 5, and the end of furring strips 7 consisting of beam pipes are pushed into the bearing members 3 to fit through slits forming ribs 8 projected inward at the same interval as that of both bearing plates 5.  Then, the bottoms 10a of rectangular notch sections 10 provided to both ribs 8 and the lower end faces 6a of the interlocking projections 6 are so provided that they can be brought into contact with each other, and sides 10b of the notch sections 10 and sides 6b of the interlocking projections 6 are provided so that they can be contacted with each other.
Patent JP-H0521844-A (JP)
Title: Manufacture of led display device
Inventor: TANAKA HIROAKI
IPC: H01L21/208
Filed: 1991-07-16
Abstract: PURPOSE:To provide a buried type epitaxial growth method on a semi-insulating GaP substrate, which can improve yield of an LED display device without generating a cavity in a liquid phase epitaxy crystal. CONSTITUTION:A solution for liquid phase epitaxy so adjusted that P in Ga does not reach a saturated amount at a growth starting temperature, is brought into contact with a semi-insulating GaP substrate masked except the liquid phase epitaxy region, the GaP of the substrate is dissolved in the solution to form a recess, and epitaxial crystal is so grown that c/a becomes 0.1 or less, where (a) is a long side of the recess, (b) is a short side of the recess, and (c) is a depth.
Patent JP-2001027192-A (JP)
Title: Oil-cooling type screw compressor
Inventor: TANAKA HIDEHARU
IPC: F04C29/02
Filed: 1999-07-14
Abstract: PROBLEM TO BE SOLVED: To surely reduce the pressure-reducing speed when the pressure of an oil separation vessel is reduced in a desired range in discharging the compressed air in the oil separation vessel of an oil-cooling type screw compressor. SOLUTION: The oil-cooling type screw compressor comprises an oil separation vessel 1 having an oil separation element 2 inside, an air discharge pipe 12 to discharge the compressed air in the oil separation vessel 1, a solenoid valve 5 interposed in the air discharge pipe 12, an air discharge pipe 12A with a solenoid valve 4 interposed in a branched manner on the upstream side of the solenoid valve 5, a pressure sensor 3 to detect the internal pressure of the oil separation vessel 1, and a control device to close the solenoid valve 5 when the pressure in the oil separation vessel 1 is reduced to the preset value with each solenoid valve in an open condition with the output of the pressure sensor 3 as the input.  The solenoid valve 4 is of the diameter of discharge the compressed air at the pressure-reducing speed so that no oil is adhered to the oil separation element 2 by elevating the oil level by bubbles generated through the pressure reduction from the oil in the oil separation container when the compressed air in the oil separation container is discharged only through the solenoid valve 4 and the pressure in the oil separation vessel 1 is reduced.
Patent JP-H1049885-A (JP)
Title: Optical disk recording and reproducing apparatus
Inventor: KON YOSHITAKA
IPC: G11B7/004
Filed: 1996-07-30
Abstract: PROBLEM TO BE SOLVED: To detect the type of a disk without utilizing recorded information of the disk. SOLUTION: A pickup device 21 has a plurality of optical systems of different numerical apertures(NA) and a photoelectric converting means for detecting a reflecting light resulting from the projection of optical beams to a face of an optical disk. A focus servo circuit 32 controls the focus state of the optical system projecting the optical beams in accordance with an output of the photoelectric converting means.  An error signal generator 31, a focus error signal- processing circuit 41, a sum signal-processing circuit 42 and a disk type-detecting circuit 43 forcibly drive a focus control means in a predetermined state while the optical disk is stopped rotating, and obtain a focus response signal of the photoelectric converting means which is changed following the movement of the focus control means, thereby obtaining an output detecting a type of the optical disk in accordance with waveform information of the focus response signal.
Patent JP-H1143278-A (JP)
Title: Operation device of escalator to cope with wheelchair
Inventor: KOBAYASHI TOSHINORI
IPC: B66B25/00
Filed: 1997-07-25
Abstract: PROBLEM TO BE SOLVED: To provide an operation device of an escalator to cope with a wheelchair, which can perform emergency operation while securing safety when abnormality and failure are caused in a control device. SOLUTION: After the connection of respective switches 1 to 4 to a control device 5 is wholly released, respective plugs 1A and 3A of an operation switch 1 and a cutout switch 3 are connected to one's own connectors 7A and 7B, and one's own plug 7C is also connected to a plug 6A of a driving circuit 6 of an electric motor, and it is constituted so as to have an emergency operation control circuit 7 to be used. When abnormality and failure are caused in the control device 5, since emergency operation of an escalator can be performed while securing safety, a much trouble is not caused to a user.
Patent JP-H0548619-A (JP)
Title: Ethernet transceiver
Inventor: NAKANO HARUO
IPC: H04L12/40
Filed: 1991-08-09
Abstract: PURPOSE:To provide the Ethernet transceiver in which a display device for communication state is easily visually recognized even when the transceiver is connected to a terminal equipment and its installation is finished. CONSTITUTION:A display device 7 for communication state is provided in a connector 5 of an access cable 4 connecting to a terminal equipment 2. Even when an Ethernet transceiver 3 is located at a location not hardly visible such as rear side or lower side of a desk, since the terminal equipment 2 is located on the desk in general, the communication state and the power application state are easily recognized by observing the connector of the access cable 4 connecting to the terminal equipment 2.
Patent JP-S6180140-A (JP)
Title: Variable power mechanism of copying machine
Inventor: WATABE SUSUMU
IPC: G03G15/041
Filed: 1984-09-27
Abstract: PURPOSE:To absorb the tolerance of lens focal length by coupling a cam which rocks through the movement of a cam follower with a mirror moving means, and providing a means which adjusts the position shape of the cam. CONSTITUTION:A carriage 13 supporting mirrors 8 and 9 which receive light from an exposure lamp 6 and a mount 14 supporting a lens 11 move to right and left freely. The oscillatory cam 32 supported by the cam follower at the lower end of the mount 14 is supported pivotally on a shaft 33 while divided into a left and a right pieces 32a and 32b, and a wire 34 is coupled with the other end. The cam 32 rocks upward and downward through the movement of the mount 14, but when the wire 34 is drawn, the carriage 13 moves to left and an optical path varies in length. At this time, screws 42 and 41 of the cam 32 are adjusted to absorb the tolerance of the focal length of the lens 11. Therefore, the tolerance of the focal length is absorbed by adjusting the oscillatory cam 32 and only one cam is required, so the structure is simplified.