baber/WOPTO huggingface dataset:
Patent JP-S61125262-A (JP)
Title: 4-phase demodulating circuit
Inventor: AMADA NOBUTAKA
IPC: H04L27/227
Filed: 1984-11-21
Abstract: PURPOSE:To regenerate a necessary reference carrier stably by detecting phase error between an input modulated wave and regenerative carrier from a demodulated signal using the COSTAS-loop system and by detecting the phase error between the input modulated wave and regenerative carrier directly by phase comparison. CONSTITUTION:An phase error signal Ve2 is detected by direct phase comparison of the input modulated wave Vin and output signal VR of VCO4 in a phase detector 17 during pre-amplification, is done feedback to the VCO4 through a loop filter 18, permitting a structure for phase synchronization at reduced time. Upon the completion of the synchronization, the carrier error detection loop is switched by a switch circuit 19 to the COSTAS-loop immediately before regular data is transferred, and demodulation is done. Since the carrier error detection loop has been changed to the COSTAS-loop after the synchronization has been completed at the time when formal 4-phase modulation input starts, a stable regenerative carrier signal can be obtained.
Patent JP-H08109240-A (JP)
Title: Heat-resistant resin for impregnation by dropping
Inventor: OKIYOKOTA MASAO
IPC: C08L63/00
Filed: 1994-10-11
Abstract: PURPOSE: To provide a heat-resistant resin for impregnation by dropping, for use as an insulating material for various types of electrical equipment, which has shortened curing time, enhanced allowable max. temp., and excellent versatility and, in addition, can form a cured product capable of satisfying mechanical strength and temperature property requirements. CONSTITUTION: A bisphenol epoxy resin is mixed with a cresol novolak epoxy resin for enhancing the heat resistance, a cyclic aliph. epoxy resin for enhancing mechanical strength and temp. properties, and a polyol for imparting flexibility, and the mixture is heated and stirred to give a heat-resistant resin for impregnation by dropping. Tetrahydrophthalic hydride is used as a curing agent, and 4,4'-methylene-bis-(2-ethyl-5-methylimidazole) is used as a curing promoter.
Patent JP-H05125466-A (JP)
Title: Device for refining titanium
Inventor: SATO RYODA
IPC: C22B34/12
Filed: 1991-08-28
Abstract: PURPOSE:To simplify the titanium reduction stage and to refine a crude titanium by heating titanium oxide to an extremely high temp. and thereby conducting the reduction reaction of the titanium oxide with graphite powder smoothly in a short time. CONSTITUTION:The first group of six electrodes 111,...116 are arranged in the form of an inverse cone having an acute apex angle, and the second group of six electrodes 121,...126 are arranged in the form of an inverse cone having an obtuse apex angle with the tips positioned below the tips of the first-group electrodes to constitute a closed treating furnace 100. A three-phase current is applied to the electrodes from a power source to generate three kinds of arcs, and the titanium oxide is heat-treated along with the graphite powder.
Patent JP-H0968916-A (JP)
Title: Hologram element and its production
Inventor: OSUGI YUKIHISA
IPC: G03H1/02
Filed: 1995-08-31
Abstract: PROBLEM TO BE SOLVED: To make it possible to prevent the deterioration in the performance as a hologram element by increasing the size of a recording member at the time of producing the recording member of the hologram element consisting of a Bi12 SiO20 single crystal. SOLUTION: The single crystal body 1 consisting of the Bi12 SiO20 single crystal is grown by a pulling-up method. The single crystal body 1 has a core part 2 extending toward the pulling-up axis and a normal part 24. The recording member 3 is so cut out that the core part 2 and the normal part 24 are included in the recording member 3 at the time of cutting out the recording member of the hologram element from the single crystal body 1.
Patent JP-H03108799-A (JP)
Title: Electronic device
Inventor: OMORI YASUTO
IPC: H05K5/02
Filed: 1989-09-22
Abstract: PURPOSE:To change an inclination of an operation panel by a simple construction and a simple operation by rotating the operation panel against a side of a chassis to bring it is contact with a positioning part of the chassis. CONSTITUTION:The front of an operation panel 1 is pushed to incline the operation panel 1 around a stepped vis 3. When a second positioning part 6 of a chassis 2 comes into contact with an inside of the operation panel 1, an inclination state of the operation panel 1 is positioned, an end of a fixing vis 4 is pushed to come into contact with a side of the chassis 2, and the operation panel 1 is fixed to the chassis 2. To keep the operation panel 1 in a horizontal state; contact of the fixing vis 4 with the side of the chassis 2 is relaxed, the operation panel 1 is rotated around the stepped vis 3 to lift this side of the operation panel 1, a first positioning part 5 of the chassis 2 is brought into contact with the inside of the operation panel 1, positioning of a horizontal state is made, and the operation panel 1 is fixed again to the chassis 2 by the fixing vis 4.
Patent JP-H0562849-A (JP)
Title: Heat treatment method in magnetic field of coil
Inventor: MIKI HIROHIKO
IPC: H01F1/22
Filed: 1991-08-29
Abstract: PURPOSE:To reduce the installation cost and the treatment cost of the title method by a method wherein a heat treatment is executed effectively in a low magnetic field when a core which is composed of an amorphous alloy or an ultrafine crystal alloy is heat-treated by applying a magnetic field to the core in a direction perpendicular to a magnetic path. CONSTITUTION:A furnace 3 is arranged inside a solenoid coil 5; cores B are arranged inside the furnace 3 and heat-treated inside a magnetic field. At this time, the cores B to be heat-treated are arranged continuously via magnetically soft spacers A composed of a ferromagnetic substance within the range of a heat treatment temperature.
Patent JP-2000073116-A (JP)
Title: Production of high clean extra-low sulfur steel
Inventor: NUMATA MITSUHIRO
IPC: C21C7/072
Filed: 1998-08-31
Abstract: PROBLEM TO BE SOLVED: To desulfurize molten steel in a shorter time, to reduce S concn. to extra-low concn. and simultaneously to obtain the steel having high cleanliness without containing inclusions by continuously adding Ca and/or a Ca alloy into the molten steel in a ladle while blasting desulfurizing flux containing CaO onto the molten steel surface in a vacuum vessel of an RH vacuum degassing apparatus. SOLUTION: Flux 8 is blasted onto the surface of molten steel 3 in a vacuum vessel 1 from a top-blown lance 7 and simultaneously, Ca and/or a Ca alloy are added into the molten steel 3 in a ladle 2. As an adding method of Ca, any method which can continuously add, can be used, but it is desirable to use wire feeding for feeding a metallic wire 9 including the Ca and/or the Ca alloy into the molten steel with a wire supplying device 10. The flux 8 may contain CaO having high desulfurizing performance but the contained concn. of the CaO is desirable to be >=40 wt.%.
Patent JP-H1094254-A (JP)
Title: Power supply
Inventor: SHIGEMORI TAKEO
IPC: H02J1/12
Filed: 1996-09-17
Abstract: PROBLEM TO BE SOLVED: To provide a reliable power supply that does not shut down as a whole even if any short-circuit fault occurs in the power supply circuit unit and does not malfunction and is operable even if a replacement power supply circuit unit is inserted during power supply operation. SOLUTION: A constant current circuit 24 is placed in the input stage of auxiliary power supply supplied from outside a power supply circuit unit in order to control output current within specified values. As a result, even if the line of auxiliary power supply VAUX2 is short-circuited within the power supply circuit unit, the line of an original auxiliary power supply VAUX is not influenced by the short circuit and the power supply is capable of continuing operation as power supply. When a replacement power supply unit is inserted during power supply operation, abrupt charge current is prevented from being passed through an electrolytic capacitor C1 in the power supply circuit unit.
Patent JP-S6486333-A (JP)
Title: Optical recording and reproducing device
Inventor: YOSHIKAWA SEIJI
IPC: G11B7/09
Filed: 1987-09-28
Abstract: PURPOSE:To improve the stability after adjustment by providing a means vary ing the servo gain, a means generating a transient response, and a means decid ing the converging stage of response so as to vary the gain in the determined converging state thereby setting the gain to the optimum gain with phase margin and gain margin inclusive thereto. CONSTITUTION:An adder 41 is provided to a focus servo circuit 16 to apply external disturbance for servo gain setting by a servo gain setting circuit 17 and the changeover of a multiplexer 43 is controlled to set the optimum servo gain. A pulse generator 51 for external disturbance generation applies an impulse as external disturbance to the adder 41 via an analog switch 52 and applied to a clock input of a counter 53 via a gate of an AND circuit 53. Thus, the excess/deficiency of the servo error signal not coped with the control system by the summed luminous quantity due to variance of the pickup or groove shape of the optical disk can be compensated and the gain is set to a truly optimum servo gain and high speed tracking is realized with stable operation.
Patent JP-2000071338-A (JP)
Title: Manufacture of porous film
Inventor: KISHII YUTAKA
IPC: C08J9/00
Filed: 1998-08-31
Abstract: PROBLEM TO BE SOLVED: To easily manufacture a homogeneous porous film by a method wherein a rolled sheet, the anisotropism in strength of which is small and the thickness of which is uniform, is produced by executing a rolling treatment by press rolling. SOLUTION: A resin composition including a polymer resin is a composition, which can be obtained by mixing the polymer resin with a solvent and, after being kneaded, sends to a sheeting process. Next, the rolling treatment of a sheet-like formed matter is executed through a press rolling treatment, which rolls the sheet-like formed matter with a pressing machine. In this time, the temperature at the press rolling is set to be within the temperature range of -50 deg.C--10 deg.C of the melting point of the resin composition. Thus, the easy thinning by the press rolling can be realized. In addition, the rolling ratio (the thickness of sheet before rolling/that after rolling) through a press rolling operation is set to be within the range of 3-500.  Through the execution of the above-mentioned press rolling operation, a rolled sheet, the anisotropism in strength of which is small and the thickness of which is uniform, can be obtained. Concretely, the ratio of the longitudinal tensile breaking strength to the later 1 tensile breaking strength of the obtained rolled sheet lies within the range of 0.5-2.0.
Patent JP-H07105462-A (JP)
Title: Photoelectric type smoke sensor
Inventor: TOKI AKIRA
IPC: G08B17/107
Filed: 1993-09-30
Abstract: PURPOSE:To prevent the generation of misinformation or an information loss by holding and fixing a printed board between an electromagnetic shield box and an optical system box. CONSTITUTION:The optical system holder 7 mounting an electromagnetic shield plate 6 and the printed board 5 is covered with the electromagnetic shield box 4 and an engaging part 7c on the holder 7 is engaged with a locking part 4c in the box 4. The plate 6 and the board 5 are held between loading parts 7a1 to 7a4 for loading the plate 6 on the holder 7 and a projection part 4a of the box 4. Thereby the board 5 and the holder 7 can be tightly fixed without requiring load and the position of the holder 7 for the board 6 is stabilized. Consequently the generation of misinformation or an information loss can be prevented.
Patent JP-S6490771-A (JP)
Title: Recorder
Inventor: INUI TOSHIJI
IPC: B41J2/32
Filed: 1987-10-01
Abstract: PURPOSE:To obtain high-quality images constantly stably, by providing a recording part comprising first and second energy-applying means, a transferring part for transferring an image formed on a transfer recording medium onto a recording material, and a heating means for applying thermal energy to the transfer recording medium. CONSTITUTION:A transfer recording medium 1 comprises a sheet-shaped base 1a to which is adhered a transfer recording layer 1b capable of forming an image when being supplied with both thermal energy and optical energy. A heating means 14 comprises a heater 14a for applying thermal energy to the medium 1, a blowing fan 14b and a duct. A recording part 3 comprise a means for applying thermal energy as first energy to the medium 1, and a light irradiation means for applying optical energy as second energy to the medium 1. A transferring part 4 comprise a transfer roller 4a and a pressure roller 4b. An image is formed when light and heat are applied to the transfer recording layer 1b of the medium 1 at the recording part 3, and the image formed on the medium 1 is transferred onto a recording paper 8 at the transferring part 4.
Patent JP-H0987752-A (JP)
Title: Device for cooling steel strip and method for restraining curving or steel strip
Inventor: SHIMADA SHUNICHI
IPC: C21D9/573
Filed: 1995-09-25
Abstract: PROBLEM TO BE SOLVED: To provide a cooling device which can restrain the curving caused in a steel strip hung down in cooling process in a continuous heat treatment for the steel strip, and a cooling method. SOLUTION: The curving amount and the curving shape of the steel strip 2 are detected at the inlet of a cooling zone and the opening degree of a control valve 5 is adjusted based on this detected signal. A header 4 arranged in the cooling zone is divided into plural small chambers in the width direction of the steel strip and flow rate distribution of cooling gas is adjusted in the width direction of the steel strip for every divided small chamber to inject the cooling gas to the front surface and the back surface of the steel strip.
Patent JP-2001075598-A (JP)
Title: Nonvolatile recording medium and information collecting device
Inventor: YOKOTA TEPPEI
IPC: G10L19/00
Filed: 1999-08-31
Abstract: PROBLEM TO BE SOLVED: To easily and quickly collect information by using a nonvolatile recording medium. SOLUTION: When a control part 211 detects that audio data for question are down loaded by reading out the control data preserved in the additional information area of a memory card 203, after it discriminates an input form, a question track, a response track, a mode or the like from the control data by executing the reproduction processing of a question, it monitors the operation state of an operation part 221 and starts a questionnaire by voices in accordance with the operation. Then, when a prescribed operation corresponding to answers is performed with respect to the operation part during the reproducing of the question, the part writes answers of the question in the additional information area for every track of the card 203.
Patent JP-H1085942-A (JP)
Title: Plasma cutting device
Inventor: KOJO AKIRA
IPC: H02M9/00
Filed: 1996-09-18
Abstract: PROBLEM TO BE SOLVED: To improve a cut quality and to obtain an excellent cut surface by detecting a cut state or a prescribed condition, comparing with a set value and operating and pulse controlling an arc current based on a selected pattern. SOLUTION: Signals trnasmitted from encoders 10a, 11a, a thermometer 6a and a NC unit 12 being external sensors are sent to an arithmetic part 15 as an external signal 14. When the external signal 14 is sent to the arithmetic part 15, the external signal is compared with a set value stored in storage part and operated by a CPU, and the pattern corresponding to the arithmetic result is selected among plural patterns of the pulse waveform stored in the storage part 16. And the selected pattern is stored in a main memory and successively transmitted to an arc current controller 17. A power source 18 is controlled by the arc current controller 17 in accordance with the received pattern.
Patent JP-H0292270-A (JP)
Title: Device for cell culture
Inventor: KATAKURA TAKEO
IPC: A61K35/407
Filed: 1988-09-30
Abstract: PURPOSE:To obtain a device for cell culture suitable of culture of highly functional cells having high adhesion dependence and oxygen demanding cells by making constitution where a culture solution and an adjusting gas necessary for culture are made to flow in two medium channels, respectively set in contact with substance exchange membranes at both sides of culture chamber. CONSTITUTION:Cells to be cultured are packed into a culture chamber 4 and given mediums required for cell culture are made to flow in a first and a second medium channels 5 and 6 to carry out cell culture. For example, a culture solution is made to flow in the channel 5 and an adjusting gas blended with gas components necessary for the culture in the channel 6. Consequently, a fresh culture solution is fed through a substance exchange membrane 2 to culture cells at the channel 5 side and waste product from the culture cells is rapidly removed. On the other hand, since the necessary gas components are supplied through a substance exchange membrane 3 at the channel 6 side, preferable culture condition is always maintained. Consequently, preferable cell culture can be done without using a carbon dioxide gas incubator or a gas adding device like conventional method.
Patent JP-H0585345-A (JP)
Title: Rear loader removable from traveling vehicle
Inventor: TSUDA NAOYA
IPC: E02F9/16
Filed: 1991-09-25
Abstract: PURPOSE:To improve operability so as to improve work efficiency by supporting an oscillating body pivotally at the front end of a loader frame, and supporting a rotor, engaged/disengaged with/from the oscillating body, at the rear part of a travel body so as to transmit the oprating force of an auxiliary brake pedal to a brake arm at the engaged time. CONSTITUTION:A loader frame 7 is provided with an auxiliary brake pedal 11 operable from an operating part 9. An oscillating body 12 interlockingly connected to the auxiliary brake pedal 11 is pivotally supported at the front end of the loader frame 7, and a rotor 13 interlockingly connected to a brake arm 5 and engaged in the freely disengaged state with the oscillating body 12 is pivotally supported at the rear part of a travel body 2 so as to transmit the operating force of the auxiliary brake pedal to the brake arm 5 at the engaged time. A braking device 4 is thereby oprated on the rear loader 18 to enable the braking of a traveling vehicle.
Patent JP-2000019871-A (JP)
Title: Fixing heater and image forming device
Inventor: KARIBE IKUE
IPC: H05B3/20
Filed: 1998-08-31
Abstract: PROBLEM TO BE SOLVED: To prevent or restrain the peeling of a thermistor from a base plate by increasing the adhesive strength of the thermistor to the base plate. SOLUTION: This heater is equipped with the base plate 1 consisting of heat resistant electric insulating material; a film-state resistance heating element 2 formed on the base plate 1; a pair of film-state wiring conductors 5a and 5b juxtaposed on the base plate 1; the thermistor 7 having a pair of electrode 7c and 7d fixed on the wiring conductor with conductive adhesive; and polyimide resin 9a to 9c applied to the thermistor and heated in an already imide state so as to fix the thermistor on the base plate to be polymerized.
Patent JP-H0591785-A (JP)
Title: Controller for brushless dc motor
Inventor: ASHIKAGA TADASHI
IPC: H02P6/06
Filed: 1991-09-26
Abstract: PURPOSE:To enable a controller for brushless DC motors provided with a current control system which performs PWM control on the output voltage of an inverter to stably make controlling operations by eliminating a change in the responsiveness of the current control system resulting from a change in the rotating speed of a motor and preventing the saturation of the current control system against the DC voltage variation of the inverter. CONSTITUTION:A change in the rotating speed of a motor is compensated by adding voltage command signals Vu, Vv, and Vw corresponding to the rotating speed of the motor from an arithmetic circuit 20 for computing three-phase voltages to voltage commands from current controlling amplifiers 71 and 72 so as to eliminate the responsiveness variation of a current control system. In addition, when the current control system starts to cause saturation, a stable controlled state is set by controlling a change-over switch 21 to a turned-off state by means of a turning on/off signal from a change-over control circuit 19, switching the control to voltage control by means of the voltage command signals Vu, Vv, and Vw from the circuit 20 side, and limiting a voltage command value V1' to the maximum output voltage value V1max of an inverter.
Patent JP-S6486924-A (JP)
Title: Self-propelled cleaner
Inventor: KOBAYASHI YASUMICHI
IPC: A47L5/12
Filed: 1987-09-30
Abstract: PURPOSE: To automatically move the main body of a cleaner in the direction of a sucking hose by providing a means for detecting the direction of deriving the sucking hose from the main body, a means for controlling steering, and a means for detecting steering more than a fixed steering angle. CONSTITUTION: A direction detecting gear 5A is attached to a sucking hose attaching stand 5 and connected with a connecting gear 9, a steering motor 10 is moved by rotary volumes 8 and 11 and a differential amplifier 17 corresponding to the deriving direction of a sucking hose 9 and since steering and driving wheels 14 are turned, a main body 1 is traveled in the deriving direction of the hose 6. When the sucking hose 6 is turned from an advancing direction A of the main body 1 more than a fixed angle θ, a microswitch 7 is turned on by a cam 7A and a driving motor 13 is operated until the deriving direction of the hose 6 gets less than the angle θ. Thus, the motor 10 is used for both steering and driving, the main body 1 of cleaner is moved in the pulling direction of the hose 6 without requiring any power, and the self-traveling cleaner can be provided with high operability for following up the direction, where an operator exists, with irreducibly minimum action.
Patent JP-S61126227-A (JP)
Title: Position adjustable drag head
Inventor: KUMAMOTO NAOKI
IPC: E02F3/92
Filed: 1984-11-21
Abstract: PURPOSE:To facilitate adjustment of a position by means of resistance, by a method wherein resistance members are attached to both gunnels of a drag head for a drag suction dredger so that they can be protruded downward and retracted. CONSTITUTION:Flat panels 11, serving as a resistance member, are mounted to both gunnels of a drag head 4 so that they can be protruded downward and retracted, and either of the flat panels 22 can be selectively protruded through the working of a driving device 13 formed with a hydraulic cylinder 10. During a normal dredging work, the flat panels 11 are lifted up, and when the drag head 4 is moved in either direction of right and left, the flat panel 11 on the reverse side is protruded into earth. This causes resistance of sea bottom earth 7 to be exerted on the flat panel 11 to move a dredger in the opposite direction, resulting in the possibility to facilitate adjustment of a position.