baber/WOPTO huggingface dataset:
Patent JP-S54109383-A (JP)
Title: Measuring circuit of current amplification factor of dc forward direction
IPC: G01R31/26
Filed: 1978-02-15
Abstract: PURPOSE:To establish the measurement circuit less in error and low in cost, by separating the collector and base current system. CONSTITUTION:The output of the collector current set unit 11 setting the collector current to an arbitrary value is fed to the collector current generator 12, and the output current set from this is fed to the collector terminal C of transistor Q. Further, the feedback current terminal TB of the generator 12 is connected to the emitter terminal E of Q, and the collector voltage detector 13 to measure the voltage between the collector and emitter is connected to the collector terminal C. Next, the voltage between the collector and emitter detected is fed to the comparator 15 together with the output from the collector voltage setter 14, and difference voltage is obtained by comparing it with the voltage from the detector 13. After that, this is amplified to a given level with the voltage amplifier 16 and it is fed to the  base current generator 17 connected to the emitter terminal E of Q. Further, the  base current detector 18 is connected to the base terminal B of Q.
Patent JP-H02199021-A (JP)
Title: Production of fine granules of superconducting material
Inventor: TAKEUCHI JUN
IPC: H01B12/00
Filed: 1989-01-27
Abstract: PURPOSE:To obtain the title Y-Ba-Cu-O-based fine granules of uniform composition through the plasma evaporation process by each specifying the composition of evaporation raw material powder and the molar ratio of the Cu plus Ba to the O2, Ar, Y, Ba and Cu to be fed into a plasma reactor. CONSTITUTION:An evaporation raw material powder consisting of raw powder having a composition of YBa2Cu3O7-x or mixed powder of Y, Ba and Cu at the molar ratio 1:2:3 is fed into a plasma reactor in such a manner as to be 2.1-5mol% of the Cu plus Ba in the total of the oxygen, argon, Y, Ba and Cu to be fed per unit time into the reactor, thus obtaining the objective fine granules of Y-Ba-Cu-O-based superconducting material through the plasma evaporation process. The fine granules are calcined and sintered to produce a sintered compact with high critical current density.
Patent JP-H09211403-A (JP)
Title: Light control element
Inventor: MIYAZAWA HIROSHI
IPC: G02F1/035
Filed: 1996-02-01
Abstract: PROBLEM TO BE SOLVED: To provide a light control element in which electric charge can be prevented from being generated with the change in polarizability due to a change in temp. and which has stable operation characteristics. SOLUTION: This element is obtained by forming optical wave guides 2 in an LN (lithium niobate) substrate 1 having autonomous polarization, in the vicinity of its one surface and further successively forming on this surface of the LN substrate 1, a buffer layer 3 and electrodes 4 for applying voltage.  At this time, a polarization adjustment plate 21 which is made of the same material as that of the LN substrate 1 and has same size as that of the LN substrate 1, is placed on the other surface of the LN substrate 1 so that the direction of polarization of the plate 21 is reverse to that of the LN substrate 1 to inhibit the charge that tends to be generated in the above one surface of the LN substrate 1 with the change in polarizability due to a change in temp., from being actually generated by the charge of the same kind as that of the above charge, that tends to be generated in the surface of the polarization adjustment plate 21.
Patent JP-S63183931-A (JP)
Title: Production of ultrafine particulate composite material
Inventor: KAGAWA SEIJI
IPC: C08K3/02
Filed: 1987-01-27
Abstract: PURPOSE:To obtain a material capable of providing diverse molded articles containing homogeneously dispersed and bonded fine particles and organic high polymer at the molecular level, by dissolving the organic high polymer in a solvent to give a liquid substance, adding a fine particulate metal, etc., at a specific ratio thereto, pressurizing the obtained blend and impact crushing the pressurized blend. CONSTITUTION:An organic high polymer alone or two or more kinds of organic high polymers having different physical properties are dissolved or dispersed in a solvent to provide a liquid substance. At least one of a fine particulate inorganic compound and metal is then blended therewith at a desired ratio land the resultant liquid blend is pressurized and impact crushed at a high speed to give ultrafine particles having <=0.05mum particle diameter.
Patent JP-H10212396-A (JP)
Title: Epoxy resin molding material for sealing electronic component and electronic part item sealed therewith
Inventor: SAITO HIROYUKI
IPC: C08K3/22
Filed: 1997-01-30
Abstract: PROBLEM TO BE SOLVED: To obtain an epoxy resin molding material which is a non-halogen non-antimony type, has good moldability and excellent reliability and used for sealing electronic components and to provide an electronic part item sealed therewith. SOLUTION: This invention provides an epoxy molding material essentially consisting of an epoxy resin, a phenol compound, molybdenum trioxide and/or tungsten trioxide and 85-95wt.%, based on the total composition, inorganic filler and an electronic part item prepared by sealing an element with this composition.
Patent JP-H06233506-A (JP)
Title: Manufacture of rotating electric machine
Inventor: KAWAKAMI TSUKASA
IPC: H02K15/085
Filed: 1993-02-03
Abstract: PURPOSE:To make it possible to easily process a number of ends of coils by bending pins into a reversed L shape, by inserting the folded pins into through- holes formed on a printed board, by rotating the printed board so that the pins come into contact with the printed board, and by driving the pins so as to come into contact with the printed wiring. CONSTITUTION:Fitting holes 12 are formed on the end face of a stator core 2 in the radial direction thereof, and pins 4 which can be driven are provided in the mating holes 12. Ends 15 of coils 7 are wound around the pins 4 using nozzles 16 of a winding machine which rotates around the axis of the stator core 2. A printed board 1, having notches or through-holes through which the pins 4 pass, is attached to the stator core 2. The printed board 1 is rotated, and the pins 4 are driven into the mating holes 12, whereby printed wirings and the pins 4 are connected with each other. Thus, a rotating electric machine is assembled by rotating the printed board 1 in such a way that the pins 4 are brought into contact with the printed board 1, and by driving the pins 4 in such a way that the pins 4 can be connected with the printed wirings. Therefore, it is possible to easily process a number of ends 15 of the coils 7.
Patent JP-H054178-A (JP)
Title: Driving device
Inventor: ISHIBASHI RYOJI
IPC: B25J9/06
Filed: 1991-02-07
Abstract: PURPOSE:To provide a driving device operable with high speed and simple in structure. CONSTITUTION:The driver comprises a first arm 16 and a second arm 29 which are rotatably provided on the same axis, a two-axis output module 1 for driving each of the first and second arms 16, 29, a third arm 41 having a base end portion rotatably mounted to a fore end of the first arm 16, a fourth arm 42 having a base end portion rotatably mounted to a fore end portion of the second arm 29 and a fore end portion rotatably mounted to a fore end portion of the third arm 41, a theta axis motor 43 mounted to the fore end portion of the third arm 41, and a table 44 mounted to an output shaft of the theta axis motor 43.
Patent JP-H10214275-A (JP)
Title: Layout editor and text generating method for the same
Inventor: KITA YUMIKO
IPC: G06F17/50
Filed: 1997-01-30
Abstract: PROBLEM TO BE SOLVED: To shorten data access time required for text generation at the time of design work by generating a text without omission at a position easy to watch by visually watching a display area or an output range. SOLUTION: After a text concerning a graphic existent in a text generating area is generated, a text concerning a signal remained in a signal list 114 is generated. When the case of moving the text is designated by a text addition condition designating means 101, an existent text list is deleted from a graphic table 111. The signal name of generated text is deleted from the signal list 114 and the existent text list 115. The signal name of generated text is deleted from the signal list 114 and the existent text list 115 every time and operation is performed until the signals in the signal list 114 are made empty. The text concerning all the signal names in the signal list 114 is checked and the text is issued without being omitted.
Patent JP-S55108990-A (JP)
Title: Production of magnetic bubble material
Inventor: MIKAMI MASAO
IPC: G11C19/08
Filed: 1979-02-14
Abstract: PURPOSE: To produce a magnetic bubble material where the extinction magnetic field is arranged to a prescribed value, by etching one of the bubble holding layer and the hard bubble restraint layer of the iron magnetic garnet including rare- earth elements formed on the crystal substrate.  
     CONSTITUTION: The bubble holding layer consisting of a magnetic garnet indicated by general expression R 3 Fe 5 O 12  (R indicates Y or one or more kinds of element selected from other rare-earth elements) is grown on the crystal substrate by the liquid phase epitaxial (LPE) method, and an yttrium iron garnet (YIG) film is grown on this layer by the vapour phase epitaxial method to form a hard bubble restraint layer. Next, the YIG film is etched by a phosphoreted sulfuric acid to adjust the magnetic characteristic. Otherwise, the LPE film is grown after growing the YIG film on the crystal substrate by the vapour phase epitaxial method, and the LPE film is etched by a phosphoreted sulfuric acid to adjust the magnetic characteristic. and the magnetic characteristic of the magnetic bubble material, specially, extinction magnetic field Hcol is adjusted to a desired value. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H02196687-A (JP)
Title: Recording material
Inventor: HAYASHI TAKAYUKI
IPC: B41M5/26
Filed: 1989-01-26
Abstract: PURPOSE:To enhance color forming properties by containing an electron donating leuco dye, an electron acceptive compound and a compound having at least one aryl group and a dialkylamino group and specific in the total number of carbon atoms and an m.p. CONSTITUTION:An electron donating leuco dye, an electron acceptive compound and a compound having at least one of an aryl group and a dialkylamino group and containing 32 or less carbon atoms in total and having an m.p. of 60-140 deg.C are contained. As this compound 1-m-dimethylaminophenoxy-2-phenoxyethane, 1-p-dimethylaminophenoxy-2-o-ethoxyphenoxyethane and 1-octyloxy-5- diethylaminonaphthalene are designated and said compound is pref. used in an amount of 10-500% by wt. of the electron acceptive compound and used in a form of a microdispersion or film when used for a recording material.
Patent JP-S61175183-A (JP)
Title: Rear wheel steering control device
Inventor: MIMURO TETSUSHI
IPC: B62D6/02
Filed: 1985-01-31
Abstract: PURPOSE:To prevent an abrupt change of the car body attitude while a vehicle is running by prohibiting rear wheel steering even when car speed sensors fail as well as a car speed exceeds a fixed car speed value. CONSTITUTION:A rear wheel steering controller 32 is invariably fed with car speed detection signals from the first and second car speed sensors 26, 28. When the running car speed exceeds a fixed car speed, it feeds a hydraulic valve transfer signal for prohibiting rear wheel steering to a rear wheel steering hydraulic control valve 17. In addition, a hydraulic circuit to a rear wheel steering hydraulic cylinder 20 is cut off, and a piston rod 21 is locked at a neutral position. When car speed sensors 26, 28 fail, if it is judged that car speed detection signals having a difference of a predetermined value or more are output, a car sensor failure is judged. Then, the piston rod 21 of the rear wheel steering hydraulic cylinder 20 is locked at a neutral position, and rear wheel steering is wholly prohibited.
Patent JP-S56114328-A (JP)
Title: Manufacture of semiconductor device
Inventor: KAMIMURA KAZUO
IPC: H01L21/3065
Filed: 1980-02-14
Abstract: PURPOSE:To obtain a precise Al pattern, by applying a mask on an Al layer by an energy-responsive resist, treating the mask by N2 plasma, and dry-etching Al with an N2 treated layer as a mask. CONSTITUTION:The energy responsive resist mask 13 (this mask is formed on the area to be etched) is applied on the Al layer 12 on an Si substrate 11. Then, N2 plasma 55 is applied and the N2 treated layer 54 is formed. N ion implantation may be used. Then, the resistmask is removed. Al 12 is dry-etched with the layer 54 as a mask by using the plasma of CCl4 gas, and the Al pattern is obtained. In this constitution, it is not necessary to apply the energy-responsive resist thickly as in a conventional method, and the scope of selecting the resist is expanded. Furthermore, the thickness of the N2 treated layer 54 is uniform and the abnormal side etching as in the case of SiO2 does not occur.
Patent JP-S62178726-A (JP)
Title: Air-intake device for engine
Inventor: IMAMURA YOSHIHIKO
IPC: F02B31/00
Filed: 1986-01-30
Abstract: PURPOSE:To prevent decrease of temperature due to a throttle effect of intake air and to improve combustion properties, by a method wherein, in an engine having a rotary valve operated in linkage with an engine, an intake air heating device is located in a first intake air passage having the rotary valve. CONSTITUTION:A rotary valve 32 actuated in linkage with an engine is situated in a first intake air passage 21, and is closed at a given timing during release of an air intake valve 10 to control an air intake timing. A hot water passage 34 for cooling water for an engine is formed around the first intake air passage 21 having the rotary valve 32. An intake air, passing through the rotary valve 31 and a fine passage 21d on the downstream thereof, is cooled by a throttle effect, but since the intake air is heated, no influence is exercised on combustion properties.
Patent JP-H02196838-A (JP)
Title: Florine-based rubber composition
Inventor: KUNIMATSU KAORU
IPC: C08K5/00
Filed: 1989-01-26
Abstract: PURPOSE:To obtain a composition, consisting of a fluororubber, organopolysiloxane raw rubber, epoxy group-containing organoalkoxysilane, etc., reinforcing filler and curing agent and excellent in roll operating efficiency in uncuring with hardly any deterioration in mechanical characteristics within low-temperature regions after the curing. CONSTITUTION:The objective composition consisting of (A) 100 pts.wt. fluororubber (e.g. copolymer of chlorotrifuluoroethylene and vinylidene fluoride), (B) 1-60 pts.wt., preferably 1-30 pts.wt. organopolysiloxane raw rubber (preferably having >=100 plasticity, e.g. dimethylsiloxane.methylvinylsiloxane copolymer having both trimethylsiloxy group-sealed terminals, (C) 0.1-30 pts.wt., preferably 0.5-15 pts.wt. epoxy group-containing organoalkoxysilane or partial hydrolyzate thereof, (D) 1-60 pts.wt. reinforcing filler (e.g. silica) and (E) a curing agent (e.g. benzoyl peroxide).
Patent JP-H03221823-A (JP)
Title: Contactless temperature measuring equipment for centrifugal machine
Inventor: NAKAZAWA TAKASHI
IPC: G01J5/12
Filed: 1990-01-26
Abstract: PURPOSE:To accurately execute the measurement of temperature by using a thermocou ple type infrared ray temperature sensor and providing heat insulating part around the temperature sensor. CONSTITUTION:In the thermocouple infrared ray temperature sensor 5, a heat receiving part 2 is heated by infrared rays 25 radiated from a rotator 15 with temperature TR opposed to the sensor 5 and a temperature difference TS between the heat receiving part 2 and a reference junction 4 is generated. The temperature difference TS is thermo electrically converted by a thermocouple 3 and the converted electric signal is outputted from the sensor 5, amplified by preamplifiers 11, 12 and outputted as voltages Va, Vb. When the inside room of the rotor 15 is made heat unbalanced state by thermal disturbance and an atmospheric temperature is changed, changes in the heat receiving part 2 and the reference junction 4 are eased by the heat insulating member 7. Since the time constant T of heat transmission of the member 7 to the a response time t1 to the incidence of infrared rays upon the sensor 5, a response time t2 to an atmo spheric temperature change in the sensor 5 and the time constant t3 of the sensor 5 is selected so that T>t1 to t3, the output Vo of an adder 13 indicates the temperature TR of the rotor 15 independently of thermal disturbance.
Patent JP-S59144358-A (JP)
Title: Electromagnetic actuator
Inventor: KOTANINO AKIO
IPC: H02K33/16
Filed: 1983-02-04
Abstract: PURPOSE:To reduce the size and weight of an actuator and to enhance the reliability by movably providing a magnetic piece having a magnetic flux density higher than that from a permanent magnet in the vicinity of a drive coil. CONSTITUTION:A drive coil 12 is wound fixedly to the outer periphery of a yoke 13, and a permanent magnet 11 is disposed between the yoke 13 and the both ends of the other yoke 14. A magnetic piece 15 is movably arranged in an air gap between the drive coil 12 and the yoke 14, and an electromagnetic actuator is formed by displacing the piece 15. This piece 15 has a magnetic flux density higher than that supplied by the magnet 11, thereby reducing the magnetic leakage.
Patent JP-H05217105-A (JP)
Title: Signal detecting circuit
Inventor: NAKAJIMA HIROSHI
IPC: G11B5/09
Filed: 1992-02-03
Abstract: PURPOSE:To make it possible to detect a peak position even with a signal having low amplitude by comparing a signal reproduced from a magnetic medium with a preset slice level. CONSTITUTION:The signal detecting circuit comprises an AGC amplifier 2 for regulating an input signal to a constant amplitude, a differentiator 3 for detecting the peak position of the AGC output signal, and a comparator 8. The signal detecting circuit further comprises a peak hold circuit 5 for subjecting the AGC output signal to peak hold thus detecting the peak position of the signal, a differentiator 6, a comparator 7, and a comparator 4 for creating a control signal from the AGC output signal. Output pulses from two comparators 7, 8 being controlled by the control signal are then counted by means of two counter circuits 9, 10 in order to control a multiplexer circuit 11 and a selecting circuit 13, respectively, and delay circuits 12a-12e are further provided. According to the constitution, peak position of reproduced signal is not erroneously detected even if the amplitude of noise signal superposed on a reproduced signal exceeds the slice level.
Patent JP-S61175546-A (JP)
Title: Particle distribution measuring apparatus
Inventor: OTANA KATSUYUKI
IPC: G01N15/04
Filed: 1985-01-30
Abstract: PURPOSE:To enable quick measurement without error in inputting, by providing a memory section and a computing section. CONSTITUTION:Relationship of the coefficient of viscosity, density and the like with respect to various temperatures are memorized into a ROM19 about several liquid media. As preparation prior to measurement, the type and temperature of a liquid medium is inputted into a CPU18 to set conditions for the computation of particle sizes by automatically retrieving the coefficient of viscosity, density or the like corresponding to them. The type of the liquid medium is inputted with an operation switch 21 while the temperature thereof is automatically inputted with a temperature measuring body 14, a temperature measuring circuit 15 and an A/D converter 16. Then, upon the inputting of a measuring start instruction with the switch 21, a signal is sent to a driver 12 from an I/O port 8 by an instruction from the CPU18 to stop a circulation pump 11 and particles begin to settle in a suspension 2 within a sample cell 1. In this manner, the particle sizes and the ratio of particles having respective sizes are displayed and thus, quick measurement without error in inputting.
Patent JP-S61177060-A (JP)
Title: Communication control system
Inventor: ITO SHUJI
IPC: H04L69/40
Filed: 1985-01-31
Abstract: PURPOSE:To reduce the frequency of deterioration of a device by reading out a value obtained by adding '1' to each communication area by each device every prescribed period, detecting the generation of abnormality in the corresponding device in accordance with the coincidence or dissidence of the read value with the precedently read value and forming previously fixed image data. CONSTITUTION:After the connection of a power supply, a CPU1 clears respective devices 3, 4, 5, 51 and also clears areas assigned to a memory to zero. During the period of normal operation, the respective devices 3, 4, 5, 51 access the areas in the memory which are assigned to the devices 3, 4, 5, 51 respectively every 2sec and add '1' successively. The CPU1 checks respective areas of the memory 2 in each interval of 2sec or more and decides whether the value read at that time coincides with the precedently read value or not to detect abnormality. When the device generating abnormality is a control unit FCU5 or 51, the message of an image is sent from the normal device to an opposite facsimile device.
Patent JP-H06231507-A (JP)
Title: Magneto-optic recording/reproducing apparatus
Inventor: NAKANO OSAMU
IPC: G11B11/105
Filed: 1993-02-04
Abstract: PURPOSE:To obtain a magneto-optic recording/reproducing apparatus which can improve the efficiency of light by a beam shaping prism of a simple structure and obtain magneto-optic reproducing signals. CONSTITUTION:A halfwave plate 3 for turning the polarizing state of beam approximately 45 deg. is set between a beam shaping prism 4 of a single crystal and a light source. The direction of a crystallographic axis of the beam shaping prism 4 where beams from the halfwave plate 3 enter is set to be parallel to the direction of light beams running within the beam shaping prism 4 towards a disk 5. Moreover, the beam shaping prism 4 is adapted so that the direction of the crystallographic axis thereof is rotated 45 deg. to the direction of beams advancing thereinside towards the disk 5. Accordingly, the apparatus is made small in size and the number of parts is reduced to save costs. At the same time, the efficiency of light is improved and proper magneto-optic reproducing signals are differentially detected.
Patent JP-S61175579-A (JP)
Title: Semiconductor test signal generating device
Inventor: TAKEUCHI KUNIO
IPC: G01R31/26
Filed: 1985-01-30
Abstract: PURPOSE:To miniaturize the titled device by driving a rising side FF and a driving circuit by a high level side tracking circuit and driving a falling side FF and a driving circuit by a low level side tracking circuit to control the high level side and the low level side of a switching transistor. CONSTITUTION:By rising and falling of the wave-form of a testing wave form generating circuit 11, a setting and a resetting signal are output respectively after driving 61 and 64 and drive the rising side transistor and the falling side of a switching circuit 14 through a rising side FF69 and a falling side FF73 as well as a rising side driving circuit 74 and a falling side driving circuit 75 respectively. Further, the high level side electric voltage of a terminal 16 and the low level side voltage of a terminal 19 become the high level side voltage Vh and the low level side voltage Vh through a high level side amplifier 17 and a low level side amplifier 21 respectively. On the other hand, a high level side tracking circuit 76 and a low level side tracking circuit 78 are charged with a voltage Vh1 and Vl1 which are lower than the voltage Vh, Vl by a preset value respectively, then the FF69, 73, the circuit 74, 75 and the circuit 14 are driven by the difference between Vh and Vh1 as well as Vl and Vl1.