baber/WOPTO huggingface dataset:
Patent JP-H09274206-A (JP)
Title: Optical amplifier device and linear repeating optical amplification and transmission device
Inventor: CHIKUMA NAOYUKI
IPC: H01S3/067
Filed: 1996-04-09
Abstract: PROBLEM TO BE SOLVED: To make it possible to maintain a normal amplification state in spite of the occurrence of a fault in one of transmitters of a wavelength multiplex optical transmission device which is subjected to integral optical amplification by wavelength multiplexing. SOLUTION: This optical amplifier device has a plurality of light transmitters 1, 2 which deliver the light signals of different wavelengths, a wavelength multiplexing circuit which implements wavelength multiplexing of the light signals and an optical amplifier 8 which directly amplifies the wavelength multiplexed light signals and outputs the amplified and multiplexed light signals. Further, the device has a light signal number detecting circuit 5 which detects the number of the light signals currently delivered by respectively branching part of the light signals of the respective wavelengths and an optical amplification control circuit which controls the outputs of the optical amplifier 8 by the number of the light signals. The optical amplifier 8 includes rare earth element-added fibers and an exciting light source for applying exciting light thereto.  The optical amplification control circuit includes an exciting light control circuit which controls the intensity of the exciting light according to the number of the light signals. The exciting light control circuit sets the injection current to the exciting light source in such a manner that the intensity of the amplified light singals predetermined according to the number of the light signals is obtd.
Patent JP-S63251758-A (JP)
Inventor: HORIUCHI MASAMI
IPC: F25B1/00
Filed: 1987-04-08
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-S58202580-A (JP)
Title: Carbonic acid gas laser oscillator
Inventor: SANO REIJI
IPC: H01S3/08
Filed: 1982-05-21
Abstract: PURPOSE:To omit time required for adjustment largely, and to obtain a single longitudinal mode stable at high outputs by bringing the resonant directions and discharge directions of resonators of internal mirror structure to the same coaxial type structure and bringing the length of the resonators and gas pressure in discharge tubes to fixed values. CONSTITUTION:A mirror box 5 in which a total reflection mirror of a 10m radius of curvature is encased, a mirror box 6, in which a ZnSe output mirror of 55% reflctance and a infinity  radius of curvature is encased and a folded mirror box 7 linking the optical axes of the dischrge tubes 1, 2 are set up to aluminum flanges 3, 4. The aluminum flanges are fixed by super-Invar 8, 9, and a distance between flange surfaces is kept accurately. The resonators are set up to the surface grounded of granite 10 through bearing boxes 11, 12, 13, 14. The resonator length of the resonators shall be 4.6m to 8.8m and gas pressure in the discharge tubes 10Torr to 40Torr.
Patent JP-H06276115-A (JP)
Title: Radio set for vehicle
Inventor: ASAKAWA YOSHIYUKI
IPC: H03J5/02
Filed: 1993-03-22
Abstract: PURPOSE:To clearly receive radio broadcasting by easy operation by selecting the name of the desired interchange of a speed way and preset storing the transmission radio frequencies of plural broadcasting stations, which can be received in an area including the interchange. CONSTITUTION:A broadcasting frequency storing part 6 previously stores the names and the broadcasting frequencies of FM and AM broadcasting stations which can be received in the area including the interchange in accordance with each channel of a tuning part 2 by each interchange's name of each speed way's name. When a road selection part 3 and an interchange selection part 4 are press-operated to select the name of the desired interchange, a control part 8 reads the channel/frequency/broadcasting station's name of FM and AM broadcasting which can be received in the area from the storing part 6 and preset-stores them in a preset-storing part 7. Thereby, FM and AM broadcasting can clearly be received from a radio set for vehicle 1.
Patent JP-H03284523-A (JP)
Title: Furnace device with fall detecting mechanism of electronic circuit board and elimination method of fallen board
Inventor: KOIKE SHIGEMITSU
IPC: H05K13/02
Filed: 1990-03-30
Abstract: PURPOSE:To prevent the heating fume and firing of an electronic circuit board fallen on a heating chamber bottom plate by detecting the fall of the electronic circuit board from a carrying chain to give an alarm, and eliminating the fallen electronic circuit board. CONSTITUTION:A detecting mechanism 41 detects the vibration displacement X of a heating chamber bottom plate 27 caised by the collision of an electronic circuit board fallen from a carrying chain onto the heating chamber 27 as a difference with a fixed space H preliminarily inputted to a CPU 40 by a displacement sensor 37. The detected vibration displacement X is inputted to the CPU 40 through an input interface 38. At this time, the vibration displacement X and a displacement lower limit value are calculated and assayed, and when the vibration displacement X is larger, an alarm buzzer 33 is operated through an output interface 39, and an alarm indicator 34 is lighted. Further, the fallen electronic circuit board is sent to a carrying conveyor, and a driving device for driving the carrying conveyor is operated.
Patent JP-S5421268-A (JP)
Title: Inspection method of pattern
Inventor: HATSUHARA TOSHIHIKO
IPC: G06T1/00
Filed: 1977-07-19
Abstract: PURPOSE: To increase the resolution for inspection, by evaluating the quality of film from the graph between the formation of pattern and the current value flowing to the film in forming desired pattern by radiating electron beam on the electron ray emission hardening type resist film coated on the substrate. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S5421240-A (JP)
Title: Dual amplifier
Inventor: NIIMURA YOSHIHIKO
IPC: H03F3/68
Filed: 1977-07-19
Abstract: PURPOSE: To establish a dual amplifier which can contain the signal having greater range into a limited range without chagning the ratio of two signals, by changing the gain of two amplifiers similarly with the magnitude of one input signal. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H1032726-A (JP)
Title: Deflecting circuit for responding to differential sawtooth wave signal
Inventor: WILBER JAMES A
IPC: H04N3/16
Filed: 1997-04-04
Abstract: PROBLEM TO BE SOLVED: To provide a vertical deflecting circuit for which the number of matching resistors required for differentially driving amplifiers is reduced. SOLUTION: Current source pairs 100a and 100b respectively having high output impedance (>1MΩ) are connected to 1st (inverted) and 2nd (non-inverted) input pairs of differential input steps of a vertical deflecting amplifier 11a. The output of the amplifier 11a is connected to a vertical deflecting winding wire Ly. A current sampling resistor R80 is connected through a 1st resistor R60 to the 1st input. The 2nd input is connected through a 2nd resistor R30 to a terminal R80a of a sampling resistor away from the 1st resistor R60. The 1st and 2nd resistors are the matching resistors for applying differential driving.
Patent JP-H11284490-A (JP)
Title: Phase conversion circuit
Inventor: MATSUGAKI YOSHIKATSU
IPC: H03H11/22
Filed: 1998-03-31
Abstract: PROBLEM TO BE SOLVED: To generate orthogonal signals whose amplitudes are stable as well as matching, while their phase difference is kept with high accuracy by providing an adder circuit that provides the output of a sum signal between 1st and 2nd signals, outputted from a level adjustment circuit and a subtractor circuit that provides an output of a difference signal between the 1st and 2nd signals. SOLUTION: By having an output signal SIN of a signal source VS1 given to a phase conversion circuit 100, from which two signals S1, S2 whose phase difference is about 90 degrees are generated. Both the signals are given to a processing circuit, consisting of an adder circuit 10 and a subtractor circuit 20, in which the signals are converted into a pain of orthogonal signals SI, SQ whose phase difference is kept accurately to be 90 degrees and from which the orthogonal signals SI, SQ are outputted. The sum signal SI and the difference signal SQ of the two signals S1, S2 whose amplitudes match and whose phase difference θ is arbitrary are converted into orthogonal signals whose phase difference become 90 degrees. The amplitude difference of the signals changes in response to the a phase difference of the signals S1, S2.  A saturation type amplifier may be used to arrange the amplitudes.
Patent JP-S57202045-A (JP)
Title: Cathode-ray tube
Inventor: TAKENAGA HIROSHI
IPC: H01J9/02
Filed: 1981-06-08
Abstract: PURPOSE:To obtain a cathod-ray tube having a mesh electrode with thoroughly improved mechanical strength by a method wherein an Ni mesh surface is coated with aluminum and heated to form a nickel-aluminum alloy later. CONSTITUTION:A weight is placed on a mesh plane made of Ni to form an Ni mesh electrode with a desired shape. Subsequently, the evaporation method is emplyed to coat the surface of the Ni mesh electrode with Al uniformly. At this time, it is preferred to set the thickness of the aluminm coating at 2-6% of the thickness of the Ni mesh. Next the Ni mesh coated with Al is heated in a vacuum furnace or the one containing hydrogen at 800-1,000 deg.. In so doing, the Al on the surface of the mesh experiences heat expansion in Ni, so that Ni-Al alloy layer is formed on the surface of the Ni mesh. The mesh electrode completed shows extremely improved mechanical strength comparing with the conventional Ni mesh electrode or another coated with only Al.
Patent JP-S60230757-A (JP)
Title: Picture checking system
Inventor: ITOU SHIYUUJI
IPC: H04N1/40
Filed: 1984-04-28
Abstract: PURPOSE:To decide the read level of an optimum picture by knowing a ratio of white and black of a picture, in a picture reader having a microcomputer. CONSTITUTION:A picture read part 2 reads a test chart, etc. by some read level, and it is transferred to a memory part 3 and written in a picture area. As for the written picture data, the picture is corrected or edited by a microcomputer 1 which has received an instruction of a console part 4, and thereafter, transferred to an external storage part 5 and stored. Also, as for the picture data in the picture area, the bit contents ''1'', ''0'' of the data are counted by the microcomputer 1, and the count value is written in white and black counter areas of the memory 3, and displayed on the console part 4. In case when the test chart in which a data ratio of white and black is clear is used for the picture read part 2, whether the read level value of the read part 2 is successful or not can be confirmed by comparing the count values of the data ''1'', ''0''.
Patent JP-H06299430-A (JP)
Title: Production of spontaneously stretching textured yarn
Inventor: AKITA SHOICHI
IPC: D03D15/00
Filed: 1993-04-14
Abstract: PURPOSE:To provide textured yarn effective for imparting woven fabric with bulky and silk-like feeling. CONSTITUTION:The spontaneously stretching textured yarn is produced by parallelly arranging partially oriented undrawn polyester multifilament yarn having a birefringence DELTAn of 0.02-0.08 and another multifilament yarn, introducing the yarns into a fluid jet nozzle to effect the disturbance and entanglement of the partially oriented undrawn polyester multifilament yarn with the other multifilament yarn and subjecting the product to relaxed heat-treatment at <=150 deg.C.
Patent JP-H10263834-A (JP)
Title: Method for flash welding
Inventor: MUKAI TAKAMINE
IPC: B23K11/04
Filed: 1997-03-24
Abstract: PROBLEM TO BE SOLVED: To prevent defective welding due to shortage of heat input in the case of low temperature of billet and the generation of defective yield at the time of high temperature and to stabilize joining work by detecting the temperature of abutting billet to be welded and adjusting the flashing time according to the detected temperature. SOLUTION: The temperature of billets 1, 2 transferred from a continuous casting equipment I to a flash welding device III is measured by a temperature sensor 14 just prior to welding. Generally, there is a temperature difference between the billets 1 and 2, so it is preferable to take up the lower temperature side as the temperature of the members. In the flash welding device III, a member transfer control unit 11 is used which controls the welding current at a constant value depending on the welding power or a constant voltage. In an arithmetic unit 13 for flashing time, required flashing time tf1 is calculated from the heat quantity, heat input efficiency, and welding power charged during welding the billet 1 and 2.  From the time tf1 and the output of the member transfer control unit 11, the valve 5C of cylinder unit 5 is operated by a welding controller 12, and thus after a time duration of flashing tf1 from the beginning of welding, pressure welding is executed.
Patent JP-S5211751-A (JP)
Title: Phase synchronizing type frequency stabilizng circuit
Inventor: ODA KOUICHIROU
IPC: H03L7/10
Filed: 1975-07-17
Abstract: PURPOSE:To obtain a phase synchronizing type frequency stabilizing circuit with which the drawing width can be widened by providing a switch circuit between a phase comparator and a voltage control oscillator and by providing the phase comparator with an input detection circuit.
Patent JP-S5514945-A (JP)
Title: Construction of combustion chamber in internal combustion engine
Inventor: NAKANISHI KIYOSHI
IPC: F02B23/08
Filed: 1978-07-20
Abstract: PURPOSE: To produce heavy turning flow in a combustion chamber by providing a steep slant surface extending upwards from ridgeline of bulging portion of piston on the side wall of bulging portion of cylinder head while forming a groove on the top surface of the piston.  
     CONSTITUTION: A peripheral portion of the inner wall of a cylinder head is formed with an annular flat surface 12 and the top surface of piston is formed with an annular flat surface 13. When the piston 2 reaches the upper dead point, an annular squash area S is formed between both surfaces 12, 13. Also, the top surface 14 of combustion chamber at the opposite side to an ignition plug 10 in the cylinder head is formed with a bulging portion 16 to form a spherical squash area T between itself and the back surface 18 of the bulging portion 17 on the top surface of piston. Further the top surface of piston is formed in the central portion with a flat groove 19. The front surface 20 of bulging portion of piston is formed with an inclined curved surface continued smoothly to the ridgeline 21 on the bulging portion of piston from that flat groove 19. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H03287427-A (JP)
Title: Ornamental article
Inventor: SATO YUTAKA
IPC: B60R13/00
Filed: 1990-04-02
Abstract: PURPOSE:To obtain a novel ornamental article with high ornamental effect with a pattern appearing and disappearing by letting the light from a light emitting member pass through numerous transparent holes to penetrate base material so as to be visible in the pattern from the outer face side of the ornamental article. CONSTITUTION:When a lighting switch is turned on at night to apply voltage to an EL light emitting element 8, this EL light emitting element 8 emits green light, and this green light (l) is radiated on the inner face side of a back panel 1. When the light (l) is radiated on a shade film 6 formed at the inner face of the base material 2 of the back panel 1, the incidence to the base material 2 is intercepted by the shade film 6. On the other hand, when the light (l) is radiated on numerous slits 7 provided at the shade film 6, the light (l) passes through each slit 7 and penetrates into the base material 2. The light (l) passing each slit 7 at this time is converged by a light reflecting part 5. As a result, the light (l) penetrating each slit 7 and the base material 2 becomes visible from the back of an automobile 3, presenting the characters 'GT' on the whole, for instance, as if in relief.
Patent JP-H03285936-A (JP)
Title: Polyolefin resin composition
Inventor: HIROSE TOSHIYUKI
IPC: C08L77/00
Filed: 1990-04-02
Abstract: PURPOSE:To obtain a composition having excellent impact resistance, rigidity, etc., suitable as engineering plastic, etc., by co-grafting a styrene-based monomer, etc., onto particles of crystalline polyolefin polymer to give particles of graft polymer and blending the particles of co-graft polymer with a polyamide. CONSTITUTION:(A) 1-99 pts wt., preferably 20-80 pts.wt. co-graft polymer particles obtained by co-grafting 1-200 pts.wt., preferably 10-100 pts.wt. styrene- based monomer and 1-200 pts.wt., preferably 10-100 pts.wt. unsaturated carboxylic acid and/or derivative thereof onto 100 pts.wt. particles of crystalline polyolefin polymer which are particles of oxidized crystalline polyolefin polymer having crystal part composed of preferably polypropylene resin and amorphous part composed of ethylene propylene random copolymer rubber and at least partially oxidized with an organic per oxide, under a vapor phase condition of the co-grafting capable of making the particles maintain a particulate shape, are blended with (B) 99-1 pts.wt., preferably 80-20 pts.wt. polyamide (e.g. nylon 6).
Patent JP-H01259075-A (JP)
Title: Epoxy resin-based powder composition
Inventor: AKATA YUZO
IPC: C09D5/03
Filed: 1988-04-08
Abstract: PURPOSE:To provide the title composition outstanding in resistance to moisture and thermal shock, useful as a sealing material, comprising a polyfunctional phenol polyglycidyl ether, a specific linear phenolic resin, an inorganic filler and a curing promotor. CONSTITUTION:The objective composition comprising (A) a polyfunctional phenol polyglycidyl ether (pref. cresol novolak-type epoxy resin). (B) a linear phenolic resin having phenolic hydroxyl groups at the both ends, with an average phenolic hydroxyl equivalent of 2.0-4.0meq/g (pref., a resin of the formula, prepared from bisphenol A and/or bisphenol F and an epihalohydrin with that of n=0 accounting for <=30wt.% of the total), (C) an inorganic filler (e.g., silica, antimony trioxide), and (D) a curing promotor (e.g., imidazole).
Patent JP-H04299673-A (JP)
Title: Noise eliminating circuit
Inventor: AKATSUKA HIROMICHI
IPC: H04N5/93
Filed: 1991-03-27
Abstract: PURPOSE:To prevent cancelling of required signal components, to prevent the loss of fine picture information, to prevent the occurrence of waveform distortion and ringing, and to obtain a composite video signal having a certain S/N by stably and accurately detecting the level of noise components and most suitably cancelling the noise in accordance with the state, namely, S/N of the reproduced composite video signal. CONSTITUTION:The level of noise components in the period of a vertical synchronizing signal VSY of a composite video signal SCP is detected to generate a volume control signal Scb corresponding to the level of noise components. The level of noise components supplied to an arithmetic circuit 4 is controlled based on the volume control signal Scb by a volume 9, and noise components whose level is controlled are eliminated from the composite video signal SCP by the arithmetic circuit 4.
Patent JP-S5211805-A (JP)
Title: Data recording method for automatic answer recorder
Inventor: KIBUKAWA TAKAO
IPC: H04M1/65
Filed: 1975-07-18
Abstract: PURPOSE: Recording of the optimum volume of data within the possible recording time. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H09102656-A (JP)
Title: Board for making circuit and circuit board
Inventor: OMOTE TOSHIHIKO
IPC: H05K1/05
Filed: 1996-04-10
Abstract: PROBLEM TO BE SOLVED: To meet the major requirements for putting a product to practical use, which are low cost, high density and high reliability, allow almost no warpage of a substrate, provide excellent following performance of a polyimicle resin layer at a bent part, even when bending process which applies strong stress to bend nearly 90 degrees is performed, and prevent insulation failure. SOLUTION: On one side or both sides of a long-size stainless foil 1, a polyimide resin layer 2, which has a specific structure unit in the molecule, is formed on the whole or partial area so as to manufacture a board for making a circuit. As a board for making a circuit, the board can be compounded by forming a conductor layer 3 on the polyimide resin layer, and a circuit board is obtained by making a fine pattern by etching the conductor layer 3. The circuit board is preferably used for the suspension for a hard disc, and when photosensitive polyimide resin is used for the polyimide resin, the board is permitted to excel in fine processability.
Patent JP-H03289239-A (JP)
Title: Data communication processing system
Inventor: YOSHII KATSUNORI
IPC: H04L69/14
Filed: 1990-04-04
Abstract: PURPOSE:To improve a response time of a short text by using a separate channel for a long text and a short text depending on the length of the transmission text by means of a communication management program and processing the texts separately. CONSTITUTION:A border line of a length of a text is provided to identify a long text and a short text in a data communication system in which a long text such as file transfer, a short text such as reply to inquiry are processed in mixture. A communication text given as a transmission request to a communication processing section is classified into a long text and a short text based on the border line and when the text is discriminated to be a short text, a data communication equipment 12 exclusive for a short text and a line 13 are used to transfer the text. Thus, during the transmission processing for a long text, even when a transmission request of a short text comes, the waiting of the transmission processing of the short text is not kept waited and the response time of the short text is improved.
Patent JP-H0728226-A (JP)
Title: Equipment and method for measuring regional image
Inventor: RATSUSERU ARAN BATSUDO
IPC: G03F1/00
Filed: 1994-04-26
Abstract: PURPOSE: To provide a method and device which determine the actual characteristic of a phase shift mask without exposing an actual photo resist pattern with this mask. CONSTITUTION: This device to determine the characteristic of a photolithograph mask consists of a multiple-wavelength light source, a frequency selection means, a coherence control means, an object positioning means, a means which includes a numerical aperture control means and generates an enlarged and optically equivalent image of the mask, and an image acquisition means. The method to obtain an image representing the performance of the photolithograph mask consists of a step where electromagnetic energy of a selected frequency is given, a step where the coherence of this energy is controlled, a step where the photolithograph mask is so positioned that a selected part of the photolithography mask is irradiated with the electromagnetic energy, and a step where an enlarged optically equivalent stepper image of the mask is generated, and a step where this generated image is catched.
Patent JP-S5514896-A (JP)
Title: Steel converter operation* steel converter abrasion lining formation and maintenance* and steel converter having such lining
Inventor: ADAMU SUTEIIN
IPC: C04B35/04
Filed: 1979-07-13
Abstract: The basic wear-lining of a steel converter is made of refractory material at least partly composed of burnt magnesite. Maintenance is performed by spraying refractory material onto this lining or by "slagging-in". The effect of this maintenance procedure, in terms of the duration of the lining, are improved if the particles of the magnesite component of the wear-lining contain on average more than 61/4 percent monticellite. Material of this kind has not in the past been found suitable for a wear-lining.