baber/WOPTO huggingface dataset:
Patent JP-H10150760-A (JP)
Title: Pulse driven brushless motor
Inventor: KAI SUKEO
IPC: H02K37/14
Filed: 1996-11-14
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive brushless motor having simple structure which can be rotary driven by applying a single pulse train without requiring any pole position sensor, e.g. a Hall element. SOLUTION: The pulse driven brushless motor comprises a rotor arranged, at a constant interval, with three rotor poles 2a-2c of same polarity, first and second stator poles 4, 5 each comprising an electromagnet, and a third stator pole 6 comprising a permanent magnet. The second stator pole 5 is located while being spaced apart by (90+α) deg. (α is a bias angle of 15 deg., for example) from the first stator pole 4 in the circumferential direction and the third stator pole 6 is located while being spaced apart by (180+α) deg. from the first stator pole 4 in the circumferential direction. The stator poles 4-6 have air gaps G arranged asymmetrically to the rotor poles 2a-2c and the pulse motor is driven by applying a monopolar ON/OFF drive pulses to the first and second stator poles 4, 5 at a predetermined interval.
Patent JP-H06162916-A (JP)
Title: Impregnation type cathode structural body and manufacture thereof
Inventor: NARITA KAZUNORI
IPC: H01J9/04
Filed: 1992-11-26
Abstract: PURPOSE:To provide an impregnation type cathode structural body of high reliability of tungsten pellet fixture and a favorable heat efficiency of a structure in which a tungsten pellet in which electron radiating agent is impregnated is welded and fixed on a cap sleeve. CONSTITUTION:A welded surface of a tungsten pellet 8 is covered with tungsten metal, and a mechanical polishing method is used as a means. As the welded surface of the tungsten pellet is polished mechanically, the whole body of the welded surface is covered with flowing tunsten because of favorable expansion property, so weld performance is improved extremely. An impregnation type cathode structural body of favorable reliability of mechanical fixture after welding and of favorable heat efficiency can thus be realized.
Patent JP-H10138765-A (JP)
Title: Device for covering automobile
Inventor: NISHIKAWA HIROMICHI
IPC: B60J11/00
Filed: 1996-11-12
Abstract: PROBLEM TO BE SOLVED: To simply lay a cover on an automobile. SOLUTION: A casing 3 is attached to an automobile C by means of a casing attachment. Thereafter, an automobile cover 11 wound on a wind-up roller is pulled out, and an overhanging part is engaged with the cover attachment 13. Then, a front part 18a, an intermediate part 18b and a rear part 18c having been folded up one upon another, are draped downward along the side surfaces of the automobile C, and a sheet attachment 20 is attached to the automobile C.
Patent JP-H07177123-A (JP)
Title: Device for compensating interference inter-cross-polarized waves and compensation method
Inventor: KOBAYASHI KENZO
IPC: H04J11/00
Filed: 1993-12-17
Abstract: PURPOSE:To compensate the interference inter-cross polarization waves by compensating a main signal with an interference wave superimposed with a compensation signal whose phase is rotated by an angular difference between rotating positions of the interference wave and the compensation signal even when transmission V, H polarized waves are set asynchronous. CONSTITUTION:An interference wave extract means 1a extracts an interference wave superimposed on a main signal and a rotating angle detection means 1b detects a rotation angle of a signal point of an interference wave on an I-Q axis of a main signal. On the other hand, a rotating angle detection means 1c detects the rotation angle of a compensation signal point, an integration means 1e averages the difference between both rotating angles calculated by a difference calculation means 1d and provides an output of the mean value as an angle difference corresponding to a frequency shift quantity. Then a phase rotating means 2 rotates reversely the phase of the compensation signal by the angular difference to cancel the frequency shift and then an inter-cross polarized wave compensation means 3 applies interference compensation inter cross polarized wave to a main signal on which the interference wave is superimposed based on the compensation signal rotated reversely.
Patent JP-H04188970-A (JP)
Title: Intermediate frequency stabilizer
Inventor: KONUKI NOBUO
IPC: H04N5/50
Filed: 1990-11-21
Abstract: PURPOSE:To reduce the fluctuation of RF output frequency by performing frequency control which employs a PLL(phase locked loop)/prescaler. CONSTITUTION:This stabilizer is comprised of an RF signal input terminal 1, a television tuner 2, a band-pass filter(BPF) 4, a first PLL/pre-sealer 5, a control microcomputer 6, a second PLL/pre-scaler 8. and an RF output terminal 12. The local oscillation frequency of the tuner 2 is directly controlled by using the first PLL/pre-scaler 5 with high correction accuracy for phase fluctuation instead of an AFT(automatic frequency tuning) comparator. Thereby, it is possible to improve the frequency accuracy of RF converter output by improving the frequency stability of an intermediate frequency signal.
Patent JP-H01214089-A (JP)
Title: Method of forming diffraction lattice in semiconductor material and photoelectric device with the diffraction lattice manufactured by the method
Inventor: ROBEERU BURONDOO
IPC: H01S5/12
Filed: 1988-12-15
Abstract: PURPOSE: To provide an easy method for forming a diffraction grating of high optical efficiency with high manufacturing efficiency by forming the second layer of a thickness equal to the depth of a line of a grating to be formed on a stop layer, forming a mask providing a diffraction grating of a desired formation, and then, through the mask, chemically corroding the second layer until the entire thickness is removed. CONSTITUTION: A first layer 13, acting as a stop layer, which comprises the first semiconductor material and has a thickness of 0.005-0.02μ is deposited by epitaxial growth, and over it, the second layer 14, which comprises the second semiconductor material of a composition different from the first layer 13 and has a thickness of 0.01-0.03μ equal to a depth E of a line of a grating to be formed, is deposited by epitaxial growth. Then, a mask which provides a diffraction grating of desired formation is deposited, and, with a selective chemicals which does not corrode the material of the first layer 13, the second layer 14 is chemically corroded through the mask. After the action of the chemicals is continued until the entire thickness of the second layer 14 is removed, the mask is removed to form a diffraction grating.  For example, the mask is formed by cutting a photosensitive resin layer into a form of desired diffraction grating.
Patent JP-H03179061-A (JP)
Title: Dyeing solution containing goldthread coloring matter and method for dyeing therewith
Inventor: FUMOTO IZUMI
IPC: C09B67/44
Filed: 1989-12-08
Abstract: PURPOSE:To prepare a dyeing soln. which gives a dyed textile material with an excellent fastness to light by adding a specific water-sol. quinone compd. as a dyeing assistant to the soln. CONSTITUTION:A dyeing soln. contg. a goldthread coloring matter, which further contains a 1,4-naphthoquinone compd. as a dyeing assistant. A goldthread coloring matter, here used, is obtd., e.g. by extracting a goldthread callus with water under heating. Examples of the 1,4-naphthoquinone compd. include a metal salt of 1,4-naphthoquinonesulfonic acid, 2,3-dimethyl-1,4-naphthoquinone, and 2-methyl-1,4-naphthoquinone (vitamin K3). In dyeing, usually the dyeing soln. cong. 0.001-1.5g of the coloring matter and 0.005-0.5g of the dyeing assistant is used per g of a textile material being dyed.
Patent JP-H04193792-A (JP)
Title: Crystal growing device
Inventor: IMAI HIDEAKI
IPC: C30B25/02
Filed: 1990-11-26
Abstract: PURPOSE:To obtain thin films having excellent crystallinity at a relatively low temp. while using gaseous plasma of high activity by providing gaseous plasma cells into a crystal growing chamber held under a high vacuum. CONSTITUTION:Raw materials are supplied to Knudsen cells 9 to 11 and the inside of the vacuum crystal chamber 1 is maintained under a high vacuum of 10<-4> to 20Torr. Raw materials are then heated and the gaseous plasma is supplied to a plasma chamber 16 of the gaseous plasma cell 14 from a gas introducing pipe. The plasma is formed by impressing a power to an electrode 15 from a high-frequency power source 13. The formed active species are supplied to the substrate 4 on a substrate holder 3 heated by a heater 2 to grow the crystals.
Patent JP-H04193162-A (JP)
Title: Rf coil identifying device
Inventor: TAKAGI MITSUO
IPC: G01R33/34
Filed: 1990-11-26
Abstract: PURPOSE:To correctly identify an RF coil even if loss resistance exists between the RF coil and a detecting device by providing a constant-voltage source outputting a different voltage signal to each RF coil respectively, and providing the detecting device measuring the voltage signal. CONSTITUTION:Even if loss resistance (r) about 100OMEGA exists between a constant- voltage source 8 and a detecting device 5, the input impedance of the detecting device 5 is normally 100OMEGA or above and sufficiently larger than the loss resistance (r), and the loss resistance (r) can be neglected. The voltage signal from the constant-voltage source 8 can be correctly detected by the detector 5 even if the loss resistance (r) exists. The constant-voltage source 8 with different output voltage is provided on each RF coil 1, and the RF coil 1 is identified by detecting the magnitude of the voltage signal with the detector 5. The RF coil 1 can be correctly identified even if the loss resistance (r) exists between the RF coil 1 and the detecting device 5.
Patent JP-H06151852-A (JP)
Title: Thin film transistor
Inventor: MATSUMOTO HIROSHI
IPC: H01L21/336
Filed: 1992-11-04
Abstract: PURPOSE:To easily form a minute offset section in a thin film transistor of offset structure with accuracy. CONSTITUTION:A first gate insulating film 13, first gate electrode 14, second gate insulating film 15, and second gate electrode 16 are formed on a polysilicon thin film 12 in this order. The planar distance L1 between the boundary of the channel region 12a and source/drain region 12b and the end of the first gate electrode 14, is slightly larger than the sum of the thickness T1 and T2 of both gate insulating films 13 and 15. Therefore, the portion of both gate insulating films 13 and 15 between the boundary of the channel region 12a and source/drain region 12b and the second gate electrode 16, functions as an offset section. The thickness T1 and T2 of both gate insulating films 13 and 15 is easily controllable with accuracy by controlling such factors as film formation time; accordingly, minute offset sections can be easily formed with accuracy.
Patent JP-H07177441-A (JP)
Title: Digital audio circuit
Inventor: WATANABE TAKAHIRO
IPC: H04N5/60
Filed: 1993-12-17
Abstract: PURPOSE:To prevent signal degradation and interference to a TV tuner or the like and to extend the length of a transmission line by preparing signals for which high- band components are emphasized by an emphasis circuit, eliminating noise components mixed in a high band and reducing the loss of high-band signals by the transmission line for the characteristics of the de-emphasis circuit of a poststage. CONSTITUTION:Audio signals are supplied through a buffer circuit 11 to the emphasis circuit 12 and the emphasized signals are outputted to the transmission line 16 such as a cable or the like. In this case, the circuit 11 lowers the output impedance of the signals similarly to a conventional manner, frequency correction is performed in the circuit 12 and the signal degradation by the transmission line 16 is prevented. The signals passed through the transmission line 16 are supplied to the de-emphasis circuit 15, frequency characteristics are returned to original and output is performed. In such a manner, by preparing the signals for which the high-band components are emphasized, eliminating the noise components mixed into the high band and correcting the loss of the high-band signals by the transmission line 16 for the characteristics of the circuit 14 of the poststage, the rounding of waveforms is prevented. Thus, the degradation of the audio signals is prevented and performance which was absent before is generated.
Patent JP-H06165270-A (JP)
Title: Program remote control transmitter
Inventor: MATSUI NORIBUMI
IPC: H04N5/00
Filed: 1992-11-27
Abstract: PURPOSE:To provide a program remote control transmitter for transmitting signals by freely setting format and code data corresponding to each key of the key matrix of a remote control transmitter by an user. CONSTITUTION:By providing a program for storing more than one signal format numbers and plural code numbers inputted from the key matrix 52 to a microprocessor means in a signal format/code storage area 63, processing the stored more than one signal format numbers and the plural code numbers at an envelope pulse preparation part 54 and a carrier frequency preparation part 56 and preparing remote control waveforms 57, the signal format and the code data other than the ones allocated to the remote control transmitter can be freely set without enlarging a signal format/code allocation area 55 and the signals can be transmitted.
Patent JP-H01159672-A (JP)
Title: Scorotron electrostatic charger
Inventor: KOYAMA HAJIME
IPC: G03G15/02
Filed: 1987-12-16
Abstract: PURPOSE:To decrease the amt. of ozone to be generated and deformation and to improve the performance of electrostatic charge potential control by forming the base body of a shielding case of a metal and covering a part or the entire area of the inside peripheral face thereof with a high-resistance member. CONSTITUTION:The title device is constituted of a charge wire 1, the shielding case 2 and grids 3. The charge wire 1 is formed of, for example, a tungsten wire and the base body 2A of the shielding case 2 is formed of the metal such as, for example, aluminum. A part or the entire area of the inside peripheral face 2a of the case 2 is covered with the high-resistance member 2B. The amt. of the ozone to be generated and the deformation by its own weight of the device, etc., are thereby decreased and the performance of the charge potential control is improved.
Patent JP-H02164960-A (JP)
Title: Framework structure
Inventor: YAMAWAKI TATSUAKI
IPC: E04B1/58
Filed: 1988-12-16
Abstract: PURPOSE:To firmly connect a pillar to a pillar by fixing one piece of a mounting metal fixture to a pillar and to the other a beam and a base, securing to the mounting metal fixture a reinforcing piece providing a hole and mounting a diagonal bracing to be tightened between the pillars adjacent to this hole. CONSTITUTION:A plane-shaped mounting metal fixture 6 welds to its one surface a reinforcing piece 6a of T and L or cross shape, forming in its point end part a bolt insertion hole. While a mounting metal fixture 7 of L-shaped side surface welds to its angle part a pair of triangular reinforcing pieces 7a, forming in their point end a bolt insertion hole while a hole 7b for stopping by a thread the end part of a diagonal bracing 5. And the mounting metal fixture 7, fixing its one piece to a pillar 2c and to the other piece a beam 4 and a base 1, secures the reinforcing piece 7a providing the hole. Further utilizing the hole 7b of the reinforcing piece 7a, the diagonal bracing 5 is mounted between the adjacent pillars and tightened by a turnbuckle. Thus eliminating the necessity for performing preliminary work, the cost of labor can be decreased while enabling a term of works to be shortened.
Patent JP-H10156990-A (JP)
Title: Polymer material composite body
Inventor: MASHITA SHIGEHIKO
IPC: B32B25/10
Filed: 1996-11-28
Abstract: PROBLEM TO BE SOLVED: To provide a polymer material composite body of superior stability in which the control of spring characteristics is easy, the workability at the time of handling is good and no defects such as wears and creeps are generated. SOLUTION: A polymer material composite body 10 is formed by filling and curing a polymer blend material 22 in spaces 20 formed among fibers of a flexible sheet-shaped material 18 formed of two composite fiber layers 12 and 14 bonded together through cushioning threads 16. A low molecular material and a polymer organic material are contained in the above-referred polymer blend material 22, and the weight ratio between the low molecular material and the polymer organic material is 1.0 or more, and the polymer organic material is provided with a three-dimensional continuous network framework structure.
Patent JP-H04217821-A (JP)
Title: Reference value operating system for reactive power operation of power system
Inventor: NAKAMORI AKIRA
IPC: H02J3/18
Filed: 1990-11-22
Abstract: PURPOSE:To shorten computing time required for processing of a large quantity of data by estimating a voltage and a reactive power, controllable in the entire power plant, based on a generator operating data and a nearest load data and then transmitting thus estimated data to a central load dispatching office or a local control station. CONSTITUTION:Assuming the effective power viewed from an infinite bus 16 side, is PLO the reactive power QLO is set at 0. Effective power P and voltage of a system are then designated and reactive powers Q1, Q2 of generators 10, 20 are calculated. Furthermore, the reactive power QLO is regulated so that the reactive powers Q1, Q2 will be measured reactive powers Q10, Q20 of the generators 10, 20 based on an operating state amount data. Power flow calculation is then carried out with the terminal voltages Vt1, Vt2 of the generators being set at lower limit 0.95pu. Consequently, reactive powers Q1, Q2 of the generators 10, 20 are determined for the generator terminal voltage Vt being set at lower limit 0.95 and then the difference from the reactive powers Q10, Q20 is calculated thus estimating controllable voltage and reactive power.
Patent JP-H022969-A (JP)
Title: Controller for electric function tester for wiring circuit board
Inventor: GIYUNTAA DEEMENSU
IPC: G01R1/067
Filed: 1988-12-16
Abstract: PURPOSE: To perform insulation test at one test point in one step for all other conductor paths by connecting two selected test points electrically through electrodes and a gas discharge path. CONSTITUTION: A supporting plate 5 made of an insulating material. and provided with a large number of gas discharge paths is fixed to the upper surface of a printed board 1 on which a conductor path 2 is formed. Electrodes 8, 9 are arranged on a gas discharge path 6 while electrodes 10, 11 are arranged on a gas discharge path 7 and the electrodes 9, 11 are connected with upper feeders O1 , O2 while the electrodes 8, 10 are connected with lower feeders U1 , U2 . Voltages U21 , U22 are then applied, respectively, between the feeders O1 , U1 and O2 , U2 in order to fire controlled gas discharges 12, 13 in the discharge paths 6, 7. When a potential difference Up is applied between the gas discharges 12, 13, a gas discharge is fired between a lower electrode and a test point so long as the test points P1 , P2 are conducted and thereby a current flows between the gas discharges 12, 13.  Consequently, insulation can be tested by evaluating the current.
Patent JP-H03179078-A (JP)
Title: Friction material composition and preparation of friction material therefrom
Inventor: SAKATA TOICHI
IPC: F16D69/02
Filed: 1989-12-07
Abstract: PURPOSE:To prepare title compsn. allowing no fading phenomenon to occur under a high loading at a high temp. and having a little temp. dependence and a stable coefficient of friction by compounding a mixture contg. a fibrous material, a binder, and a friction-controlling agent with a copper flake and a lead and/or antimony compd. CONSTITUTION:A compd. comprising a fibrous material (e.g. glass fiber), a binder (pref. a composite binder comprising a synthetic resin such as a phenolic resin and a crosslinkable rubber such as an acrylonitrile-butadiene rubber), and a friction-controlling agent (e.g. calcium carbonate or graphite) is compounded with a copper flake (having an aspect ratio of 1-50 and a ratio of the thickness to the minor diameter of 1/3 or lower) in an amt. of 2-40wt.% and a lead and/or antimony compd. (having particle diameters of 0.5mm or lower; e.g. PbS or Sb2O3) in an amt. of 5-40wt.% to give the title compsn., which is useful in an automotive clutch facing, brake lining, etc.
Patent JP-H01161259-A (JP)
Title: Electrostatic image developing toner
Inventor: TAKAGIWA HIROYUKI
IPC: G03G9/087
Filed: 1987-12-18
Abstract: PURPOSE:To enhance low temperature fixability, hot offset resistance, un deroffset resistance, storage stability, and fluidity by incorporating a toner resin made of a block copolymer or a graft copolymer obtained by combining a crystalline polyester with a specified amorphous vinyl polymer and paraffin wax. CONSTITUTION:The toner contains the toner resin made of the block copolymer or the graft copolymer obtained by chemically combining the crystalline polyester with the amorphous vinyl polymer having a weight average molecular weight Mw to number average molecular weight Mn ratio Mw/Mn of >=3.5, and the paraffin wax, thus permitting each of low temperature fixability, resistances to hot offset and underoffset, storage stability, and fluidity to be enhanced.
Patent JP-H01161002-A (JP)
Title: Manufacture of alpha-olefin
Inventor: NAKAJIMA MASAMI
IPC: C08F6/06
Filed: 1987-12-18
Abstract: PURPOSE:To produce an alpha-olefin without removing polymer by-products from the system and with the operation stabilized, by subjecting an ethylene polymerization liquid product to adiabatic flush, and separating and recovering an alpha- olefin via a specific treatment. CONSTITUTION:When ethylene is polymerized in the presence of a Ziegler catalyst to produce an alpha-olefin, firstly, after the completion of the reaction, the liquid reaction product is subjected to adiabatic flush, thereby depositing the polymer while evaporating unreacted ethylene dissolved in the liquid reaction product. Then, crushing of the deposited polymer, deactivation of the catalyst, and the deashing are carried out and further the liquid reaction product is heated to dissolve the polymer. Thereafter the alpha-olefin is separated and recovered. The crushing of the polymer is preferably carried out so that the particle diameter may be 1,000mu or below. Also, the deactivation of the catalyst and the deashing can be carried out by, for example, adding an amine or the like as deactivating agent to the liquid reaction product, and washing it with water.
Patent JP-H01162268-A (JP)
Title: Cassette mounting device
Inventor: ANDO MASAHIRO
IPC: G11B15/675
Filed: 1987-12-18
Abstract: PURPOSE:To always apply a constant pressing force on an inner holder perspective of the sliding position of the inner holder by loading an elastic member to hold the inner holder on an outer holder stably on the inner holder. CONSTITUTION:The title device is provided with the outer holder 2 whose one end is screwed in a chassis main body in such a way that it can be opened and closed freely and the inner holder 1 inserted freely in the outer holder 2 and on which a cassette 5 is loaded and it is a cassette mounting device to perform cassette loading by sliding the inner holder 1 on which the cassette is mounted from a mounting position to a mounting completion position, and the elastic member 14 to press the inner plane of the holder 2 is provided so as to be slided by interlocking with the inner holder 1. Therefore, the inner holder is pressed on the outer holder in a balanced state, and since an elastic force being applied on the inner holder can be kept constant, it is possible to obtain a sufficient holding power even under a state where the inner holder is drawn out from the outer holder, consequently, a quantity of slide can be increased, and the miniaturization of the whole device can be realized.