baber/WOPTO huggingface dataset:
Patent JP-S6165699-A (JP)
Title: Power amplifier
Inventor: ISO YOSHIMI
IPC: H03F1/32
Filed: 1984-09-07
Abstract: PURPOSE:To obtain an electric power amplifying device for acoustics maintaining a linear characteristic of a sound pressure level by automatically initializing so as to make the gain of an amplifier constant in accordance with the impedance of a speaker and controlling the gain of the amplifier so as to compensate the linear characteristic of the sound pressure level due to a change in the impedance of the speaker during a signal regeneration. CONSTITUTION:Independently of a relation to the value off a connected speaker impedance, the gain of a variable gain electric power amplifier is made constant, and the initialization of an impedance detecting sensitivity is executed. In a gain control device 105, an impedance detection voltage, a constant current source 115 and a comparison voltage weighted by resistances 126-129 are compared by comparators 121-124 respectively. As the impedance becomes larger than a preset value, the comparators 123, 124 output positive voltages successively. Thereby, transistors 133, 134 are turned on successively, resistances 138, 139 are successively grounded and the gain of an electric power amplifier 102 is increased stepwise.
Patent JP-S6342573-A (JP)
Title: Halftone recording system
Inventor: OBA YUJI
IPC: B41J3/00
Filed: 1986-08-08
Abstract: PURPOSE:To obtain a halftone equivalent to that of a refined mathod without decreasing recording speed, by performing intermediate recording by a recording head in which a refined pixel write part is added on the recording head of a fixed scanning method, and generating a unit pixel by combining a large pixel, and a small pixel. CONSTITUTION:The recording head is provided with a liquid crystal material for driving two frequencies between an upper plate 2 and a lower plate 3. On the wiring 4 of the upper plate 2, a transparent electric conductive layer is provided, and a large window 8, and a small window 9 are arranged in a zigzag shape. On the lower plate 9, wirings 5, 6, and 7 corresponding to the window 8 or the window 9 are provided as shown in figure. At the positions of the windows 8 and 9 of the wirings 5, 6, and 7, the transparent electric conductive layer is brought into contact electrically with an adjacent wiring. An intersection part between the wiring 4, and the wirings 5, 6, and 7 is shielded from light by a light shielding member, and no light can be transmitted except the windows 8 and 9. By impressing a low frequency voltage on the wirings 5, 6, and 7, and the low frequency having a negative phase sequence of the above frequence on the wiring 4. the windows 8 and 9 go to closed states. By impressing a high frequency voltage on the wiring 4 connected to the window 8 desired to open out of the windows 8, continuing the impression of the low frequency on other wirings 4, and generating a state where no voltage is impressed on the wiring 6, the above window 8 goes to an open state at high speed. By driving the wirings 5 and 7 instead of the wiring 6 at time of opening/closing the window 8, and impressing the high frequency on the wiring 4, only the small window 9 is opened/closed keeping close the window 8. In this way, it is possible to open/close all of the windows independently.
Patent JP-H0634703-A (JP)
Title: Calibration method for direct current characteristic measuring device
Inventor: ENOMOTO MASANORI
IPC: G01R31/26
Filed: 1992-07-14
Abstract: PURPOSE:To provide a calibration method of a direct current characteritic measuring device which can improve ease of use by correcting a gain error value and an offset error value without reexecuting calibration, even if a voltage applied output value or a current applied output value is changed and a measured voltage or a measured current is changed accordingly. CONSTITUTION:It is a direct current characteristic measuring device by measurement voltage apply for an object to be measured such as LSI, and it consists of a control processor 1 which controls the whole device, a program value setting register 3 which applied voltage on the object to be measured 2, a gain value setting register 4, an offset error value setting register 5, a computing element 6 which subtracts a gain error value and an offset error value from program value, a DA converter 7 which converts the results of operation into signals, and a measuring circuit 8 which measures output value of current of the result of operation.
Patent JP-S6166009-A (JP)
Title: Combustion device
Inventor: SUZUKI JIRO
IPC: F23D14/18
Filed: 1984-09-06
Abstract: PURPOSE:To improve radiation efficiency and the variable width of a combustion quantity by a method wherein the device is provided with a combustion body having the catalytic substance of the platinum series for a heat-resistant material having many combustion holes, means to supply the mixture of fuel gas and air to the combustion body and a heat permeating plate provided on the surface opposed to the upstream surface of the combustion body. CONSTITUTION:Premixing gas is burnt at the upstream surface 3b of the combustion body 3 and the upstream portion A of combustion holes 3a. The combustion body 34 is heated by above heat of combustion and radiation heat is discharged out of an upstream surface 3b. Further, the heat of exhaust gas after combustion is transferred to the combustion body 3 at the downstream portion (b) of the combustion hole 3a. The temperature of the upstream surface 3b is more risen by this heat and the radiation heat is discharged efficiently. The radiation heat is radiated to the body to be heated through the premixing gas layer and the heat permeating plate 2 by the heat permeating plate 2 provided in the direction of the upstream surface 3b. According to this method, the temperature in the combustion chamber 1l does not cause to ascend abnormally, therefore, backfire does not cause and the variable width of the combustion quantity may be increased even if the temperature of the upstream 36 become high temperature as the premixing gas is not preheated abnormally.
Patent JP-S6245416-A (JP)
Title: Control device for continuous rolling mill
Inventor: SEKIGUCHI KUNIO
IPC: B21B37/00
Filed: 1985-08-26
Abstract: PURPOSE:To increase the responsibility and stability in control by respectively operating the integral value concerning the deviation of the detected value and target value for the tension of the stock to be rolled and looper angle and by controlling the main motor and looper motor based on the result thereof. CONSTITUTION:Speed control devices 1A, 4 are respectively provided for a looper motor 2 and main motor 5. The coefficient counter 9 to express the feedback gain of a tension target value tRf and tension detected value tf and the coefficient counter 11 to express the feedback gain of the deviation of the looper angle target value thetaR and angle theta are provided further. The integral value in proportion to each deviation of the tension target value tRf detected value tf, looper angle target value thetaR and detected value theta is operated by integrator 13, 14 and based on the result thereof the motor 5, 2 is respectively controlled. With this method the responsibility and stability in control are increased.
Patent JP-S5888591-A (JP)
Title: Heat exchanger
Inventor: ISHII KIYUUMA
IPC: F28D1/047
Filed: 1981-11-24
Abstract: PURPOSE:To make an expensive header or an U-bent, necessitating much labor for working, unnecessary by a method wherein a heat transmitting unit is made by connecting two pieces of straight pipes, neighboring in up-and-down, to a flow reversing chamber while a heat transmitting part is formed by piling the heat transmitting units. CONSTITUTION:Heat transmitting pipes 7 are consisting of the straight pipes 71, 72, ..., the left side ends of the two pieces of the straight pipes 71, 72, neighboring in up-and-down, are connected to the flow reversing chamber 8L1 while the right side ends thereof are connected to the flow reversing chamber 8R1, one flow path is formed by connecting the straight pipes sequentially in such manner and fluid is discharged from a terminal chamber 9L. The flow reversing chamber is made of a box type member having square section, therefore, the chamber is suitable for the fluid having relatively low pressure. A smashed tube is used for the reversing chamber for somewaht high pressure and the end of the straight pipe is expanded to connect thereto under opening a hand hole cover 16. Thus, the expensive header or the U-bent, necessitating much labor for working, is made unnecessary and a part sucking gaseous condensed sulfur oxide in a gas may be eliminated, therefore, the maintenance thereof may be facilitated.
Patent JP-S6431376-A (JP)
Title: High-frequency heating device
Inventor: BETSUSOU DAISUKE
IPC: H05B6/64
Filed: 1987-07-27
Abstract: PURPOSE:To suppress the heating of high-voltage high-speed diodes with a simple structure and obtain the desired withstand voltage by connecting multiple chips in series, sealing them with an insulating material to form a package, and connecting two or more packages in parallel. CONSTITUTION:Two packages each constituted of chips 2 connected in series by a lead wire are connected in parallel by lead wires 3. The heating can be reduced because the forward direction of diodes is diverted and the switching characteristic can be improved because the individual chip area can be reduced according to this constitution, the switching loss can be reduced, and the heating can be reduced. The lead wires are also helpful for the radiation of chips.
Patent JP-H1031203-A (JP)
Title: Driving method for anti-ferroelectric liquid crystal display
Inventor: TAKAHASHI SUZUTAROU
IPC: G02F1/133
Filed: 1996-07-17
Abstract: PROBLEM TO BE SOLVED: To make it possible to perform a multi-level display independent of a flicker characteristic of human eyes by making a voltage applied to a pixel for a non-selection period a DC voltage threshold value of an anti- ferroelectric liquid crystal. SOLUTION: The anti-ferroelectroc liquid crystal display is constituted of a pair of glass substrates 22 holding an anti-ferroelectric liquid crystal layer 21 therebetween, and keeps a gap by a spacer 23, and cuts off the anti- ferroelectric liquid crystal payer 21 from the outside with seal material 24. Further, electrodes 25 being a scan electrode and a signal electrode are formed on the opposite surface of the glass substrates 22, and oriented films 26 are formed on them to be oriented. Further, polarizing plates 27 are set up on the outside of the glass substrates 22. At this time, a write-in period includes a selection period for applying a switching pulse for switching the state of the anti-ferroelectric liquid crystal and the non-selection period for holding the state of the anti-ferroelectric liquid crystal set for the selection period.  Then, the voltage applied to the pixel for the non-selection period is made the DC voltage threshold value of the anti-ferroelectric liquid crystal.
Patent JP-H0352108-A (JP)
Title: Magnetic head
Inventor: NONAMI TOORU
IPC: C04B41/80
Filed: 1989-07-19
Abstract: PURPOSE:To obtain the magnetic head having a high yield of production and high surface smoothness and joint strength by forming a magnetic head made of ferrite by superplastic working. CONSTITUTION:The magnetic head 1 of a sliding type to be used in contact with magnetic recording media is constituted by joining an I-shaped core 2 and a C-shaped core via a gap 4. The core 2 and the core 3 are produced by molding sintered bodies of soft ferrite corresponding to desired shapes and sizes and subjecting the surfaces of the sintered bodies to the superplastic working. Namely, the sintered bodies are superplastically deformed and are thereby shaped and worked to the shapes of the core half bodies. The surfaces to constitute front surfaces when made into the magnetic head, joint surfaces, etc., are smoothed by the superplastic working in this way.
Patent JP-S6079136-A (JP)
Title: Intake system for engine
Inventor: OKIMOTO HARUO
IPC: F02D41/04
Filed: 1983-10-05
Abstract: PURPOSE:To improve fuel consumption and output, in a system provided with two intake ports having different open/close timing in each cylinder, by providing a fuel injection valve having fuel injection variable with load in the intake path to be coupled to each intake port. CONSTITUTION:Two intake ports 4', 5' and one exhaust port 6' are opened to combustion chamber 2 in each cylinder 1 of engine to open/close each port 4'- 6' by means of intake and exhaust valves 4, 5 and 6. Here, the intake valve 4 is opened from initial stage of intake stroke while intake valve 5 will open with time lag and close after closing of said valve 4. While fuel injection valves 13, 14 are provided in suction paths 11, 12 connected to each intake port 4', 5' where their injection is controlled by a control circuit 20. Consequently, the injection from valve 13 is made lower than that from the valve 14 for load lower than predetermined level while made same for load higher than predetermined level.
Patent JP-H0782527-A (JP)
Title: Colored film-forming liquid coating, colored film, and production thereof
Inventor: HIRATSUKA KAZUYA
IPC: H01J9/20
Filed: 1993-06-30
Abstract: PURPOSE:To obtain a colored film-forming liq. coating capable of forming a coating film of good appearance which film is excellent in long-term stability and applicable to a panel for a cathode-ray tube, etc., by adding an alcohol to a liq. mixture of titanium oxynitride particles with a specific silicon compd. CONSTITUTION:Water, a 1-4C alcohol and an ether alcohol are incorporated in an amt. of 0.1 to 50 wt. % into a liq. mixture of titanium oxynitride particles with a compd. of the formula: Si(OR)mRm (wherein m + n = 4; m = 1 to 4; n=0 to 3; and R is 1-14C alkyl) or a hydrolyzate thereof to prepare a liq. coating. Titanium oxide reduced with N2 gas, NH3 gas or the like is used as the titanium oxynitride particles. Incorporation of an Sn, In, Sb, Zn, Al or Ga compd. into the liq. coating can impart thereto an antistatic performance and a low reflectivity. The liq. coating is applied on a base material, and then heated and/or irradiated with ultraviolet rays to obtain a colored film. The titanium oxynitride content of the coating film is pref. 1 to 90wt.% in the case of the colored film.
Patent JP-S6164560-A (JP)
Title: Key lock device for steering shaft
Inventor: KAMEI TAIJI
IPC: B60R25/02
Filed: 1984-09-07
Abstract: PURPOSE:To enhance further the possibility of antitheft, by allowing rotation of a steering shaft, but causing click action to the rotation, and letting the shaft substantially unsteerable when an excessive torque is applied to the steering shaft. CONSTITUTION:A lock pin engage groove 3A is formed on a key lock collar 2. Also, a rotatioin moderating mechanism 5 is provided between the key lock collar 2 and a steering shaft 1. The rotation moderating mechanism 5 is constructed so that a key 6 is received in plural key receiving grooves 8 which are formed on a steering shaft 1, and the key 6 is enforced outward by springs to engage with a key engage groove 9 which is formed in the key lock collar 2. Therefore, when excessive torque is applied to the shaft 1 when it is locked, the key 6 is enforced to the grove 8 side and the shaft 1 can rotate, but since the key 6 engages with the next engage groove, large torque becomes necessary to rotate the shaft 1, thus the shaft becomes substantially unsteerable.
Patent JP-S6431273-A (JP)
Title: Method for recovering three-dimensional stereoscope
Inventor: SEKI YASUO
IPC: G06T17/40
Filed: 1987-07-27
Abstract: PURPOSE:To apply a stereoscopic three-dimensional recovery to the subject scenes in wide ranges such as the scene of a complicated background, etc., by using information each different in shape degree between the complex segments of right and left frames belonging to a candidate pair. CONSTITUTION:An edge extraction, a line fining, a line smoothing, etc., are executed by right/left pictures inputting devices (TV camera) 21 and 25 and right-left picture pre-processing circuits 22 and 23. Right-left pictures basic segment extracting circuits 23 and 27, right/left pictures complex segment extracting circuits 24 and 28, a candidate pair extracting circuit 29, a candidate priority deciding circuit 30, a correspondence pair deciding circuit 31 and a depth deciding circuit 32 are equipped. In the process of the decision of a correspondence pair, the shape similarity information of the right/left pictures complex segment belonging to the candidate pair is expressed by the shape difference degree and the corresponding of the right/left pictures complex segment is decided by using the shape similarity information. Thus, the three-dimensional information can be satisfactorily recovered for the scene which is not so much complicated, even when there are plural objects different in depth during a scene and there is a pattern in a background.
Patent JP-S6079731-A (JP)
Title: Continuous processing device of semiconductor substrate
Inventor: KODAMA SHIYOUICHI
IPC: H01L21/50
Filed: 1983-10-06
Abstract: PURPOSE:To improve the operation efficiency of a device by a method wherein a process requirement is called up from memory per processing stage to perform the process continuously if the process requirement of a lot in process and that of a lot for the next process are similar to each other. CONSTITUTION:A semiconductor substrate placed on the specified position from a loader 1 is shifted to the first processing stage 2-1, the second processing stage 2-2, the Nth processing stage 2-N by means of conveyors etc. to bedischarged from an unloader 3. Each stage is provided with respective device for various processes to be controlled by a controller 4 equipped with a memory 4a. When the processing stages are charged with the lots, the lots may be continuously processed without resetting a new process requirement.
Patent JP-S6432725-A (JP)
Title: Redundancy system control circuit
Inventor: ASHI MASAHIRO
IPC: H04L1/22
Filed: 1987-07-29
Abstract: PURPOSE:To compose a circuit which controls the switching with a standby system, with a small scale and high reliability, by executing the pattern collation of the output signal of the supervised unit selected by the output signal from a supervising unit and a selector to all supervised units, and deciding the switching of a standby system and a living system. CONSTITUTION:From the system input signal of an (n) system inputted to a signal sampling selector 9, the signal of a first system is selected, and simultaneously, from the signal of the (n) system inputted to a signal sampling selector 5, a first system input signal is selected. At a comparing control part 7, whether patterns are matched or not is decided, and an accumulation is executed. The action is successively executed like a time sharing, and at the stage where the system input of the (n) system and the pattern comparison of an output are completed and accumulated inside the comparing control part 7, whether there is a trouble or not is decided. Thus, the switching of a unit to a spare system can be securely executed.
Patent JP-2000018256-A (JP)
Title: Gear shaft supporting device of vehicle differential device
Inventor: MAEDA KIKUO
IPC: F16H48/38
Filed: 1998-07-02
Abstract: PROBLEM TO BE SOLVED: To secure a long durable life of a gear shaft supporting device hardly damaged even containing foreign matter such as a metal abrasion powder. SOLUTION: To the surfaces 14a, 15a, and 16a of an inner ring 14, an outer ring 15, and a conical roller 16 which are formed of a carburized bearing steel, carburized nitriding layers 14b, 15b, and 16b, with the carbon content >=0.80 wt.%, the Lockwell hardness >= HRC 58, and the residual austenite amount 25 to 35 vol.%, are formed, and while an excellent anti-friction property and fatigue strength are secured by such carburized nitriding layers, such carbulized nitriding layers are maintained stable to a material with an adequate toughness, and the damage of a rolling bearing by biting foreign matter mixed to a gear oil is prevented, to maintain a long durable life.
Patent JP-S57113774-A (JP)
Title: Switching system for semiconductor switching element connection mode
Inventor: TOMITA HIROO
IPC: H02M7/48
Filed: 1980-12-29
Abstract: PURPOSE:To perform effective connection mode switching even when a power voltage varies by a method wherein a pulse width modulation circuit is controlled by the output in a voltage regulator and the input in a comparator controlling all connection mode switching is obtained from the output in the voltage regulator. CONSTITUTION:When the output in a frequency command device 6 rises and the output in a voltage regulator 14A reaches all connection level, mode is transferred to all connection mode from pulse width modulation mode by the output from a comparator 16. Because, the comparator 16 is designed to be operated by the output in the voltage regulator 14A, even if frequency command increases up to the level which is equivalent to all connection, the output in the voltage regulator 14A decreases to correct an inverter voltage when the inverter voltage increases by a variation in power voltage and the comparator 16 stops feeding the output and the mode is transferred to pulse width modulation mode, then all connection is released to return to pulse width control. Therefore, a variation in inverter input DC voltage can also be adjusted and switching becomes possible.
Patent JP-S6164362-A (JP)
Title: Liquid supply apparatus of coating machine
Inventor: EGUCHI AKIRA
IPC: B05C11/10
Filed: 1984-09-07
Abstract: PURPOSE:To eliminate coating irregularity due to the penetration of air, by providing the buffle directed to the leading end of a dam plate in the downstream side of the liquid supply port of the liquid supply apparatus of a coating machine. CONSTITUTION:A buffle 7 extending toward the leading end of a dam plate 6 is provided in the downstream side of a liquid supply port 5. Whereupon, the flow passage formed by the dam plate 6 and the buffle 7 becomes narrows in the cross-sectional area thereof in the vicinity of the leading end of the dam plate 6 and the flow velocity of a coating solution increases. Further, said coating solution is contacted with paper 2 to be converted to a revolving stream directing to a blade 4. Therefore, coating irregularity is eliminated.
Patent JP-H0913609-A (JP)
Title: Bird and inscet intrusion preventing tool for eaves edge
Inventor: YAMATANI YUKIHIKO
IPC: E04D13/16
Filed: 1995-06-29
Abstract: PURPOSE: To surely prevent a bird or insect from entering into a lower gap and nesting there while ensuring the ventilation in the lower gap of eaves tiles. CONSTITUTION: On the upper edge of a lengthy base plate 3 fixed to a rafter connecting member such as fascia board along an eaves edge, a number of elastically bendable comb-teeth 7 are protruded in parallel at desired longitudinal intervals. Small projections 10 are provided in geared state on each of the laterally opposed edge parts of the adjacent comb-teeth 7, 7.