baber/WOPTO huggingface dataset:
Patent JP-S6456412-A (JP)
Title: Ftheta lens system in optical scanner
Inventor: KIKUCHI YASUSHI
IPC: G02B13/00
Filed: 1987-05-22
Abstract: PURPOSE:To satisfactorily correct the curvature of image in both main and sub-scanning direction, and to realize the spot diameter of high density, by specifying the relation of the radiuses of curvature in the deflecting surface of the respective lens surfaces and in the sub-scan corresponding direction, extending from a rotary polygon mirror to the scanning surface, and a focal distance in the main scanning direction. CONSTITUTION:When the lens surfaces are set successively as a first - a fourth lens surfaces extending from a rotary polygon mirror 3 to the scanning surface 7, the radius of curvature of the i-th surface (i=1-4) is denoted as Rix and Riy in the deflecting surface, and in the sub-scan corresponding direction, respectively, and a focal distance fM in the main scanning direction is standardized to 100, the conditions of 0.35<R4x/R1x<0.85 and -0.120<(1/R3y)+(1/R4y)<-0.095 are satisfied. In such a way, the curvature of image becomes in both the main and sub-scanning directions, and the spot of high density can be realized.
Patent JP-S63291200-A (JP)
Title: Parking guiding device
Inventor: KOSAKA TAIJI
IPC: G08G1/14
Filed: 1987-05-22
Abstract: PURPOSE:To park a vehicle on an optimum parking position independently of driver's skill by storing a locus capable of obtaining the optimum parking position as a reference guiding locus and teaching the advancing direction of the vehicle to the driver in accordance with the reference guiding locus to guide the vehicle to the optimum parking position. CONSTITUTION:A locus based on the model driving of a skilled driver is stored in a ROM or the like as a reference guiding locus Tm by operating a set switch 21. A controller 14 calculates the current position Pm of a vehicle 5 against a set position Ps based on a distance from reflecting plates 8, 7 detected by a position sensor 10. The controller 14 corrects the locus Tm correspondingly to the positional shift between the set position Ps and the current position Pm, determines an objective guiding locus Tt continued from the current position Pm to a parking position Pe and displays a steering direction and a steering angle as a deviation from the locus Tt on display devices 16, 18 in accordance with the locus Tt. Consequently, the vehicle 5 is guided in accordance with the reference guiding locus Tm.
Patent JP-H11345866-A (JP)
Title: Semiconductor device and positioning method thereof
Inventor: CHEN GONG
IPC: H01L21/301
Filed: 1999-05-06
Abstract: PROBLEM TO BE SOLVED: To decrease the manufacturing cost by sharing the area occupied by a first and second positioning marks with the neighboring dies, by arranging second positioning mark of the second die arranged in the first region of a substrate wafer so as to be overlapped with the first positioning mark of the first die arranged in this first region, and thereby commonly using the area. SOLUTION: A semiconductor wafer 101 includes a first semiconductor die 103 having a first positioning mark 165 arranged in a first region 163 for aligning the die on the wafer. A second semiconductor die 181 has a second positioning mark 167 for aligning the position. The second positioning mark 167 is arranged so as to be overlapped with the first positioning mark 165. The area occupied by the first and second positioning marks can be shared with the neighboring dies, and the cost of each die is decreased. Furthermore, the execution can be continued without changing the existing manufacturing process or the working device.
Patent JP-H11319749-A (JP)
Title: Waste disposal and block for disposal
Inventor: NAGAYASU NOBUHIKO
IPC: G21F9/30
Filed: 1998-05-08
Abstract: PROBLEM TO BE SOLVED: To use a block formed by packing waste in a sealing container of a composite material of rubber and polyethylene or polypropylene which is lightweight, inexpensive, and excellent in strength, impact resistance, and safety effectively in the foundation of ground improvement and preparation or in the sea. SOLUTION: A mixture of 30-10 wt.% of 30-100 mesh fine rubber particles from tires or the like and 70-90 wt.% of 3-5 mm uneven coarse particles of crushed polyethylene or polypropylene moldings is heated to melt only the coarse particles, pressurized, and injected to mold a cylindrical container 1 and a sealing lid 2. The container, is filled with waste and sealed by the lid 2 to form a block 4. The blocks 4 are placed, accumulated, or embedded for use.
Patent JP-S614094-A (JP)
Inventor: FUJITA YOUSUKE
IPC: G09F9/00
Filed: 1984-06-18
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-H05298609-A (JP)
Title: Magnetic head
Inventor: SATO ATSUSHI
IPC: G11B5/127
Filed: 1992-04-17
Abstract: PURPOSE:To enable highly precise positioning and prevent magnetic striction due to strain by providing the core main body of the magnetic head with a projection part for handling. CONSTITUTION:A core 1 which has the projection part 2b on a half piece 2 is fitted to a substrate 7. Namely, a couple of flanks 2c and 2c of the extension part 2b of the half piece 2b are clamped with a couple of clampers 8 and 8 and conveyed to specific positions on the substrate 7, the position of the core 1 is monitored through a video camera and adjusted, and an adhesive is supplied from a nozzle 10 to stick the core 1. The clampers 8 and 8 clamp the flanks 2c and 2c perpendicular to main surfaces 1c and 2c of the extension part 2b, so the core 1 is conveyed to the specific positions horizontally and stably. The extension part 2b is provided at a distance from a window 5 for winding, so even if pressure is applied by the clampers 8 and 8, no magnetic striction is caused at the periphery of the window 5.
Patent JP-H07331251-A (JP)
Title: Pyrolyzing and liquefying apparatus for plastics and pyrolyzing and liquefying method
Inventor: MACHITORI HIDEKI
IPC: C10G1/10
Filed: 1994-06-08
Abstract: PURPOSE:To provide a pyrolyzing and liquefying apparatus capable of producing useful regenerated oil without using a catalyst and pyrolyzing and liquefying method. CONSTITUTION:A condenser 3 is connected to a gas outlet of a pyrolysis tank 2 and a gas component gasified at a temperature higher than a condensed temperature is cooled and liquefied without passing through the condenser 3 and returned to a pyrolysis tank 2 and refluxed. The reflux is repeated between the pyrolysis tank 2 and the condenser 3. Thereby, the plastic molecule having long linkage of hydrocarbons is cut into small chains to convert the molecule to low-molecular weight hydrocarbon. Since the gas component gasified at higher temperature than the condensed temperature is not passed through the condenser 3, the gas component contains a low-boiling point component in large amounts and a regenerated oil component 5 not causing solidification at <=0 deg.C can be taken out without using any catalyst.
Patent JP-H10310394-A (JP)
Title: Tilt control device for fork lift truck
Inventor: NARUSE YASUHIKO
IPC: B66F9/24
Filed: 1997-05-15
Abstract: PROBLEM TO BE SOLVED: To provide a tilt control device for a fork lift truck solving a problem of load collapse or the like due to careless tilt operation by limiting the maximum tilting speed of a mast when fork lift height is high and obtaining high responsiveness of tilting action of the mast to tilting operation and an operating feeling with moderate sensation. SOLUTION: An oil passage 10a connecting a tilt cylinder 5 for tilting a mast 9, to a tilt spool 6 for operating the tilt cylinder 5 is provided with a proportional solenoid type flow regulating valve 11 for regulating the maximum flow of pressure oil fed into the tilt cylinder 5 at the time of tilting operation. When fork lift height is low, the proportional solenoid type flow regulating valve 11 is fully opened to allow the tilting action of the mast 9 at the maximum speed, and when fork lift height is high, the proportional solenoid type flow regulating valve 11 is put in a throttle state (half open) to limit the maximum tilting speed of the mast 9.
Patent JP-S61283761-A (JP)
Title: Fuel injection nozzle
Inventor: KITAGAWA MARE
IPC: F02B3/06
Filed: 1985-06-10
Abstract: PURPOSE:To increase the valve opening pressure as the fuel pressure increases by urging the edge part of a spring for urging a nozzle needle in the valve opening direction by a piston in a pressure chamber, in a fuel injection nozzle for Diesel engine. CONSTITUTION:In unloaded state, the residual pressure between each injection is low, and also the pressure in a pressure chamber 12 which is determined according to the sum of the residual pressure and the pressure after the pass through an orifice 10 is low, and increasing the set pressure of a spring 20 by operating a piston 14 is impossible, and the valve opening pressure of a fuel injection nozzle A is low. When a load increases, the fuel injection quantity increases to increase the residual pressure, and also the pressure in the pressure chamber 12 is increased by the sum with the fuel pressure after the passing through the orifice 10, and the spring 20 is compressed against its set load by the piston 14, and the valve opening pressure is increased by increasing the set load of the spring 20. Therefore, the engine noise in idling can be reduced, and the reduction of white smoke in exhaust gas and THC and the high output in high loading can be made compatible.
Patent JP-2000316122-A (JP)
Title: Commercial broadcast insertion device in digital broadcast and receiver
Inventor: TAKEUCHI SEIICHI
IPC: H04N5/262
Filed: 1999-05-06
Abstract: PROBLEM TO BE SOLVED: To enable commercial broadcast of stable high picture quality by completing broadcast of at least more than two channels within the same transponder at the same time, using a bit rate which plural channels use later, inserting the commercial and, after its completion, performing broadcasting of plural channels again. SOLUTION: A commercial insertion device 51 which has a video signal of three channel program main part and a video signal of a commercial as inputs has a video signal compressing function, completes broadcast of a channel 1 and a channel 2 at the same time at a specified time, inserts the commercial as a channel 4 and restarts broadcasting the channel 1 and the channel 2 after the commercial for a specified time is inserted. The number of channels is an integer more than 2 and the commercial insertion may be performed by using all the channels in the same transponder. Also, an input video signal may be an elementary stream or the like.
Patent JP-S5553180-A (JP)
Title: Power converter
Inventor: OKATSUCHI CHIHIRO
IPC: H02M3/135
Filed: 1978-10-13
Abstract: PURPOSE: To shorten the time required to complete the commutation by applying voltage higher than a power supply voltage at the time of inverter commutation to load terminals thereof expediting current increase.  
     CONSTITUTION: A chopper is constituted by a dc power supply 1, electromagnetic valves 2 and 3, and rectifiers 8 and 9. A reactor 4A is connected to the chopper, and an electromagnetic valve 5 is connected to the reactor 4A in parallel. An inverter bridge 6 and a load 7 are connected to the output terminal the electromagnetic valve 5. One end of a reactor B which is magnetically coupled to the reactor 4A is connected to the positive bus of the dc power supply 1, and the other end of the reactor 4B is connected to the negative bus of the dc power supply 1 through a rectifier 10. When, voltages higher than the voltage of the dc power supply is applied to the load terminals and the current of the reactor 4A coincides with the load current at the time of inverter commutation, the load-terminal voltage is quickly decreased below the dc-power supply voltage, the variation of the load current becomes gentle, and the commutation operation is completed. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H0421150-A (JP)
Title: On-line processing system
Inventor: SHIROTA KAZUO
IPC: G06F15/00
Filed: 1990-05-16
Abstract: PURPOSE:To successively execute the parallel processing of events by executing the reception of a message and processing based upon dequeuing within a task and executing the processing of two events as a doubled loop. CONSTITUTION:An on-line task 3 executes the processing of each event as a minimum unit and executes the reception of a message and processing based upon dequeuing within a task. The 1st event to be an access and a data transmission request from an application S/W task 2 and the 2nd event an inter-task message, I/O completion, etc., from an operation system 1 are processed. In this case, the 1st and 2nd event are used as a doubled loop and tasks 2 corresponding to respective lines and evens from the operation system 1 are successively processed in parallel. When the processing of each event is minimized and one processing time is reduced as short as possible, on-line processing from plural circuits is attained.
Patent JP-S5917334-A (JP)
Inventor: FUJISE MASAKUNI
IPC: A61B6/03
Filed: 1982-07-21
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-S62283534-A (JP)
Title: Image formation device
Inventor: NOMURA ICHIRO
IPC: H01J29/04
Filed: 1986-06-02
Abstract: PURPOSE:To prevent a rise of temperature of an electron beam generating member itself and to enable the continuous operation, by providing an electron gun with a cold cathode type solid electron generating member at an image formation device, and driving it by a constant current power source. CONSTITUTION:A cold cathode type cathode member is formed by applying an inverse direction voltage from an electrode 3 to a p-n junction semiconductor consisting of a p-type semiconductor 1 and an n-type semiconductor 2, to pro duce an electron slide yielding, to discharge electrons from a window 5, and to draw out them by an acceleration electrode 6. Such a cathode member is applied to an electron gun for a CRT or the like, and an image formation device is composed. In this case, the cathode member is driven by a constant current power source, and the voltage is controlled to feed a constant current density restricting the increase of the current. Therefore, a temperature rise of the cathode member itself is prevented, the amount of the generating electron beams is maintained properly, and a continuous and stable operation can be carried out.
Patent JP-H05327128-A (JP)
Title: Semiconductor light emitting device
Inventor: KURAKAKE HIROHIDE
IPC: H01L31/0232
Filed: 1992-05-19
Abstract: PURPOSE:To obtain a semiconductor light emitting device wherein a low reflectivity can be stably obtained without depending on the structure of an optical waveguide. CONSTITUTION:In a semiconductor light emitting device which has optical waveguide structure and an antireflection film composed of a high refractive index film and a low refractive index film on either one out of both end surfaces of the optical waveguide, the antireflection film 11 is constituted of a high refractive index film 9 which is formed on the end surface and composed of zinc selenide, and a low refractive index film 10 formed on the high refractive index film 9. The refractive indexes of at least one or more layers of the film 10 are higher than or equal to 1.3 and lower than or equal to 1.4.
Patent JP-H08321319-A (JP)
Title: Power converter for fuel cell generator
Inventor: MOGI HIROSHI
IPC: H02J3/38
Filed: 1995-05-25
Abstract: PURPOSE: To prevent the data to a fuel cell caused by the gas shortage by preventing the occurrence of the gas shortage accompanying the rush current to the capacitor of a step-up chopper in the start process of a fuel cell, aiming at a power converter where a step-up copper is combined in the prestage of an inverter. CONSTITUTION: The power converter, which converts the DC output of a fuel cell 1 into AC and supplies it to a power system 4, consists of the combination between an inverter 2 and a step-up chopper 3 connected on the prestage of the inverter. The capacitor C of the step-up circuit is provided with an initial charge circuit consisting of the combination between a rectifying circuit 11, a switch 12 connected between that rectifying circuit and the capacitor of the step-up chopper, and a charge resistor 13. And, the capacitor is charged from the power system through the said initial charge circuit prior to the introduction of fuel gas at the time of start of the fuel cell, thus the rush current to the capacitor accompanying the stage of power generation of the fuel cell and the occurrence of the gas shortage condition of the fuel cell caused by the rush current are prevented.
Patent JP-H09308547-A (JP)
Title: Bed floor interlock control
Inventor: NANAHARA KENJI
IPC: A61G7/00
Filed: 1996-05-21
Abstract: PROBLEM TO BE SOLVED: To provide an alternative interlock movement of the back board and knee board so as to keep off the pressure on the user and sliding when its back is bent up. SOLUTION: When a back board 1a is bent upto 45 degree from flat position of a bed board 1, an interlock mechanism is activated to concurrently raise up the junction of knee boards 1c and 1d so as to prevent the user from sliding down. When the back board 1a is further raised up to its maximum degree, the interlock mechanism is adversely activated to lay down the junction so as to keep off the pressure charged to the user.
Patent JP-H0633794-A (JP)
Title: System of purifying and adjusting gas
Inventor: DEIBUITSUDO JIEI HOWAITO
IPC: B01D53/86
Filed: 1993-05-27
Abstract: PURPOSE: To realize suitability for consumption by filtering, separating and purifying gas of a gas turbine, further purifying the gas by increasing a temperature to make the gas pass through a reaction system and decomposed product- absorbing means, and then polishing the gas, lowering the temperature and performing purification and temperature adjusting of exhaust gas. CONSTITUTION: Gas 14 is filtered by filtering means 16 having a cyclone filter mounted to a turbine engine 33, then compressed by a compressor section 64 of compressing mean 12, and a portion thereof is purified by purification means 20 composed of a thermal cracking reactor or decomposer 152 and a catalytic oxidation reactor 154 via temperature increasing means 18 having a recuperator 102, sulfur or the like is removed by a polisher 172, the gas is cooled by an external gas 222 in a recuperator 190 and supplied to a room by a fan 240. Further, the gas 14 reaches a power turbine section 88 from a valve 74 through a combustion section 76 to drive a power generator 92. The gas is purified by this system and used.
Patent JP-H06338962-A (JP)
Title: Cordless telephone system
Inventor: KOBAYASHI TAKUYA
IPC: H04W92/08
Filed: 1993-05-27
Abstract: PURPOSE:To switch voice communication and various kinds of data communication at a master machine side in accordance with peripheral equipment connected to a slave machine. CONSTITUTION:The slave machines 21 to 23 are provided with interfaces for making the peripheral equipments 41 to 43 connectable, and on the other hand, a master machine 1 is provided with a protocol judging part 16 to check and judge both the protocol information of the presence of the designation of a receiving slave machine and the classification of received data in respect of the data received from a public line 5, communication paths 31 to 33 for executing the various kinds of communication, a storage part 12a to store identification information about each slave machine and the information of the peripheral equipment connected to each slave machine, a slave machine managing part 12 which retrieves the information stored in the storage part 12a by each retreval request from a master machine communicating part 11 to manage communication with the slave machine at the time of transmission and from the protocol judging part at the time of reception, and selects a prescribed communication path, and manages a system so as to execute the communication with a prescribed slave machine, and communication path switching parts 14, 15 to execute switching to the communication path selected by the slave machine managing part 12.
Patent JP-S6017749-A (JP)
Title: Method for stabilizing initial characteristic of electrophotographic sensitive body
Inventor: TAKAHASHI TOSHIAKI
IPC: G03G5/08
Filed: 1983-07-12
Abstract: PURPOSE:To stabilize initial characteristics safely and easily in small consumption of energy by irradiating light in a wavelength region longer than the shortest wavelength in the effective wavelength region for imagewise exposure on an electrophotographic sensitive body formed by vapor-depositing a selenium type photoconductor. CONSTITUTION:An electrophotographic sensitive body formed by vapor-depositing a selenium type photoconductor is irradiated with light in a wavelength region longer than the shortest wavelength of the effective wavelength region for imagewise exposure to stabilize initial characteristics. The selenium type photosensitive body is stabilized in the initial characteristics when exposed to light longer than the effective wavelength region. When the effective wavelength region is 400-600nm, light consisting of only >=450nm light is irradiated. <450nm light is not necessary at all. The amt. of energy desirable for characteristics stabilization is 0.1X10<-2>-1.0X10<-2>W/cm<2>. A light irradiation time desirable for a photosensitive body is 15-240min.
Patent JP-S5350857-A (JP)
Title: Detector of rotational angle
Inventor: FUKUMOTO TAKEYA
IPC: G01D5/244
Filed: 1976-10-20
Abstract: PURPOSE: To detect rotational angles at high accuracy and improve durability by comparing the rotational angle information of a rotating body being fed from an angle transmitter and the set angle information from upper, lower limit digital angle setters. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S6018247-A (JP)
Title: Working device for outer ring of synchronous universal joint
Inventor: ITOU NORIO
IPC: B21K1/14
Filed: 1983-07-12
Abstract: PURPOSE:To enable formation of a rolling groove with high accuracy by regulating the coining allowance of a rough shape material by a mandrel guide and a punch, locking the movement of said guide and punch and supporting floatingly an ironing die. CONSTITUTION:A rough shape material W which is preliminarily worked with a center hole is set on a mandrel 7 and a cushion 5 is driven to lower a middle die 4 and a punch 13 thereby ironing the inside of a cup part W1 by means of the mandrel 7. The center 13a of the punch 13 and the center hole 6a of a mandrel guide 6 are engaged with both center holes of the material W and coining is performed. The guide 6 and the punch 13 are locked by the contact between the slope 12a of the member 12 and the slope 15a of the guide 15 and an upper die 3 is lowered to iron the outside surface of the material W by a die 16 so that a rolling groove is formed on the inside surface of the material W. The rolling groove having good accuracy is thus obtd. with the base of the cup of the rough shape material and both centers at the shaft end as a reference.