baber/WOPTO huggingface dataset:
Patent JP-H01214213-A (JP)
Title: Leak current transducer
Inventor: HASHIMOTO TADASHI
IPC: G01R31/02
Filed: 1988-02-23
Abstract: PURPOSE:To approximate the filter characteristic against the frequency to the filter characteristic of a leak circuitbreaker, by inserting a lowpass filter between an AC current/voltage converting section and an AC/DC converting section. CONSTITUTION:AC current outputted from the secondary of a zero-phase current transformer 1 is converted through an AC current/voltage converting section 2 into an AC voltage signal. The AC voltage signal is fed to a ternary lowpass filter 3 comprising an operational amplifier, a resistor and a capacitor. AC voltage passed through the lowpass filter 3 is further converted through an AC/DC converting section 4 into a DC signal proportional to the leak current flowing through an AC path 11 and outputted to the outside.
Patent JP-H08233868-A (JP)
Title: Method and apparatus for setting magnetic field influence coefficient
Inventor: WATANABE YOSHISUKE
IPC: G01R35/00
Filed: 1995-02-28
Abstract: PURPOSE: To provide a magnetic field influence coefficient apparatus which can simply set a magnetic field influence coefficient. CONSTITUTION: Outputs of current sensors 1-3 are sampled by a sampling means 5 and measuring values are stored in a measuring value memory means 6. A magnetic field influence coefficient-forming means 8 forms a plurality of magnetic field influence coefficients by changing a variable indicating the distance between distribution lines and a variable indicating tone distance between the distribution line and the corresponding current sensor in a preset allowable setting range. A magnetic field influence-removing/operating means 9 sequentially operates corrected measuring values of phases with influences of a magnetic field removed, with the use of the formed magnetic field influence coefficients and sampled measuring values.  A coefficient suitability-detecting means 10 judges whether or not the magnetic field influence coefficients formed from the corrected measuring values of phases are suitable. The coefficient judged to be suitable is stored as a magnetic field influence coefficient to be used by a magnetic field influence-removing device 12 in a magnetic field influence coefficient memory means 12a.
Patent JP-S60183334-A (JP)
Inventor: AOKI DAIICHI
IPC: B32B27/08
Filed: 1984-03-02
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-S61200863-A (JP)
Inventor: NOMA YOSHIISA
IPC: B02C19/18
Filed: 1985-02-28
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-S53125025-A (JP)
Title: Document transport method for automatic document feed device of copier
Inventor: IKOMA AKIRA
IPC: B65H9/00
Filed: 1977-04-08
Abstract: PURPOSE: To stop an original document safely at a predetermined position with no damage on the document by increasing the friction force between the document and a transport belt on the contact glass when in transport and decreasing it prior to the stop time. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H09233003-A (JP)
Title: Adaptive filter and its adaptation method
Inventor: IKEDA SHIGEJI
IPC: H04B3/23
Filed: 1996-02-28
Abstract: PROBLEM TO BE SOLVED: To reduce convergence time and residual error even a long period of an input signal whose power is low is in existence in the case that when an unknown system such as a transmission line is determined through the use of the adaptive filter where its filter coefficient is adaptively ssigned to taps corresponding to response waveform parts of an impulse response except fixed delay parts. SOLUTION: The filter is provided with a signal power monitor circuit 90 that receives an input signal, each output from delay elements 201 to 20N-1, and a selection control sub-group number and outputs stop signal to stop coefficient update processing and tap position control and a coefficient update control circuit 91 that receives the stop signal and an error signal outputted from a subtractor 5 and outputs the error signal or null to coefficient generating circuits 301 to 30L. The signal power monitor circuit 90 calculates the sum of power of the outputs of each delay element which belongs to a top control sub-group, and sets the stop signal ON to stop the output of a valid tap number when the sum of power is smaller than a predetermined threshold level and to stop a series of processing for tap replacement control thereby stopping the coefficient update processing.
Patent JP-H02221317-A (JP)
Title: Method for raising temperature of molten steel
Inventor: HONGO HARU
IPC: C21C7/00
Filed: 1989-02-22
Abstract: PURPOSE:To simply raise the temp. of a flow of molten steel with the heat of oxidation of Al or Si by adding Al or Si powder to the flow of molten steel discharged from a converter and blowing gaseous O2 from a lance. CONSTITUTION:When molten steel refined in a converter 1 is poured from the tap hole into a ladle 2 as a flow 5 of molten steel, Al or Si powder 6 or Al-Si mixed powder as an exothermic agent is charged into the flow 5 from a charger 3 and gaseous O2 is blown from a lance 4. Since the Al or Si is oxidized with the gaseous O2 and the temp. of the molten steel flowing out of the converter 1 can be raised by the exothermic oxidation reaction, the temp. of the molten steel discharged from the converter can be reduced, the wear of the internal firebrick of the converter at high temp. can be inhibited and the cost of the firebrick can be considerably reduced.
Patent JP-S55133192-A (JP)
Title: Color temperature correction unit of color television camera unit
Inventor: AMANO MINAMI
IPC: H04N9/04
Filed: 1979-04-05
Abstract: PURPOSE:To enable the color temperature correction automatically and accurately, by detecting the surrounding light of objective with the detectors of red, green and blue light provided at the external of the camera console for color temperature correction. CONSTITUTION:The light collector 6 is provided on the upper part of the TV camera console 2. The color detectors 8, 10, 12 detecting red, green and blue light are provided in the light collector 6. The output of the detectors 8, 10, 12 is integrated with the integration circuits 14, 16, 18 and fed to the subtraction circuit  20. The circuit 20 introduces the signal subtracting green component from the red  and blue light component respectively. These signals are held at the hold circuits  24, 24 via the limiter circuits 22, 22. On the other hand, the output signal from the  pick up tube 30 is fed to the signal processing circuit as the red, green and blue  signals. These red and blue signals are fed to the amplifiers 34, 36, to control the gain in response to the output level from the circuits 24, 24. Accordingly, each output level is equal to the green level being the reference for color temperature control.
Patent JP-S51115640-A (JP)
Title: Control system of thyristor power transducer
Inventor: SHIMIZU ITSUO
IPC: H02P6/08
Filed: 1975-04-04
Abstract: PURPOSE: An accurate controlling system of an ignition phase angle of a thyristor system which converts an output of an AC generator whose output impedance is comparatively high. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-S63209295-A (JP)
Title: Line current detecting circuit
Inventor: KITANO JUNJIRO
IPC: H04Q3/72
Filed: 1987-02-25
Abstract: PURPOSE:To improve a current detecting accuracy by providing a two stage emitter follower circuit having a high input impedance in a current detecting part to detect the current so as to leave no influence to a feeding characteristic and correcting the current in an offset error generated in the two stage emitter follower circuit by using a correction constant current circuit. CONSTITUTION:Since the two stage emitter follower circuit of the current detecting parts 1, 2 is constituted of a pair of mutually complementary transistors, a loss in detection due to a drop in a voltage between a base and an emitter is eliminated, a load effect to a feeding resistance is eliminated according to the high input impedance characteristic of the emitter follower circuit nor the influence is left to the feeding characteristic. Since the correction constant current circuit 4 is constituted of a pair of transistors having the same construction as the pair of the mutually complementary transistors of the two stage emitter follower circuit, the correction current is formed based on a voltage difference between the base and the emitter of the pair of the mutually complementary transistors. Thereby, a highly accurate current detection can be attained.
Patent JP-S60188666-A (JP)
Title: Shaft seal device
Inventor: ARAI KATSUTOSHI
IPC: F16J15/34
Filed: 1984-03-05
Abstract: PURPOSE:To prevent a seal ring from causing a crack, by providing circumferential grooves in at least either one of the surface opposite to a flange of the seal ring or the surface of a seal case and connecting these circumferential grooves to a side in which the pressure is lower than that of an acting part of high pressure fluid. CONSTITUTION:The surface of a seal case 4, brought into contact with a surface R opposite to the flange of a seal ring 2, provides circumferential grooves 12A to be cut, and these circumferential grooves 12A communicate with a side of the atmospheric pressure through holes 13 and 14. High pressure fluid, if it is allowed to act on the seal ring 2 by building it in such formed seal case 4, is infiltrated into the surface R opposite to the flange causing pressure of the high pressure fluid to be reduced in a part of the circumferential groove 12A. As a result, little or no load is applied in the axial direction of the seal ring 2, thus not causing cracking of the said seal ring 2.
Patent JP-H04283009-A (JP)
Title: Throw-away tip
Inventor: TAKAHASHI YOSHIHIRO
IPC: B23B27/14
Filed: 1991-03-07
Abstract: PURPOSE:To improve the sharpness of a tool at the time of cutting and to increase the strength of a tool edge against shock caused by chips by forming the tool edge part on the side of a tip body so that a clearance angle may continuously change from a nose radius part toward the center of a cutting edge part. CONSTITUTION:The clearance angle on a clearance face formed on the side of a tip body near a nose radius part 7 is increased to the maximum to make a tool edge sharp. The clearance angle is moreover continuously decreased in the direction withdrawing from the nose radius part 7 along the tool edge part to turn into zero near the center of the tool edge part.
Patent JP-S61200633-A (JP)
Inventor: HIRAKI SHUNKAI
IPC: H01H33/66
Filed: 1985-03-01
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-H08237677-A (JP)
Title: Mute circuit
Inventor: KATO TAKUJI
IPC: H03G11/00
Filed: 1995-02-28
Abstract: PURPOSE: To provide a mute circuit especially with less element number and less current consumption. CONSTITUTION: This circuit is provided with a gain control amplifier 8 for performing the amplitude limitation of the AC part of input signals corresponding to mute signals, a DC control circuit 10 for performing the level control of the DC part of the input signals corresponding to the mute signals, a signal line 11 for transmitting the input signals for which the amplitude limitation of the AC part and the level control of the DC part are performed by the gain control amplifier and the DC control circuit, a resistor 12 serially connected to the signal line and a mute means 13 connected parallelly to the signal line and conducted corresponding to the mute signals for making the output current flow to the resistor and muting the input signals.
Patent JP-S58158913-A (JP)
Title: Susceptor for chemical vapor phase growing device
Inventor: ARIIZUMI HIROFUMI
IPC: C23C16/46
Filed: 1982-03-17
Abstract: PURPOSE:To attempt to reduce and prevent the scattering and adhesion of foreign matters to an object to be processed by such an arrangement wherein a space into which matters to be accumulated by the growth of a chemical vapor phase are caused to flow is provided around a susceptor which is placed to correspond to the outer circumference of an object to be processed. CONSTITUTION:A slant space is formed around a susceptor 1 by beveling. The beveled surface is caused to coincide with the charge surface of a wafer. The amount of foreign matters scattered around in the surrounding area of the susceptor 1 and on the surface of the wafer 2 which flow out of the susceptor 1 is held small by the wall of a ring 3, even if the susceptor 1 rotates on its axis and carrier gas moves around. However, by processing beveling, it becomes possible to promote the flowing of foreign matters outside the susceptor 1. By this, the adhesion of foreign matters to the surface of a wafer can be lessened and the number of defective wafer can be reduced.
Patent JP-H05232519-A (JP)
Title: Optical deflecting element
Inventor: HIRAMATSU YASUJI
IPC: G02B5/18
Filed: 1991-02-14
Abstract: PURPOSE:To enable the large deflection in a perpendicular direction and to make the above element higher in speed and smaller in size by providing a grating coupler consisting of a specific inclined grating. CONSTITUTION:A thin-film optical waveguide 2 is formed on the surface of a substrate 1 and a light introducing part for making a light beam incident form one side of this thin-film optical waveguide 2 is formed. An intra-surface deflecting means for deflecting the guided light introduced therein within the plane parallel with the thin-film optical waveguide 2 is provided. The grating coupler 4 consisting of the inclined grating of the direction diagonally crossing the direction orthogonal with the incident direction of the incident light is provided on the extension in the propagating direction to the light introducing part. This coupler is so constituted as to satisfy equation when the angle of the intra-surface deflection is designated as alpha, the angle of inclination of the grating with the direction orthogonal with the incident direction of the incident light as PHI, the effective refractive index of the optical waveguide as N, the wavelength of the incident light as lambda the period of the grating as LAMBDA, and the refractive index of the exit medium as n. In the equation, q is an integer which is no 0.
Patent JP-H09229609-A (JP)
Title: Detection of position of object and drive method thereof
Inventor: KANZAKI NOBORU
IPC: G05D3/12
Filed: 1996-02-28
Abstract: PROBLEM TO BE SOLVED: To perform detection of the position of a very small object and the drive control at low cost and accurately. SOLUTION: A electric conductor 10 is provided with a hole 10A so as to form a shunt current line, and because a resultant magnetic field signal generated in a magnetic sensor provided on a position P by current I1 . I2 flowing in the shunt line is a function of the distance (position) (r) from a current path, the position of an object can be more accurately detected by using output of the magnetic sensor than the case of using one current channel. A Hall element is used as the magnetic sensor in particular so as to attain miniaturization. In addition, by utilizing such detecting function, drive control such as stopping an object on a desired position becomes possible.
Patent JP-H06254788-A (JP)
Title: Multi-finger hand for industrial robot
Inventor: SHINTAKU NORIKAZU
IPC: B25J9/10
Filed: 1993-03-02
Abstract: PURPOSE:To provide the multi-finger hand of an industrial robot which is designed to facilitate coping with a plurality of kinds of works and designed for general purpose use. CONSTITUTION:A multi-finger hand A mounted on a robot arm 2 through a base plate has four fingers 5. Each of the fingers 5 is rotatable around its axis and has three joints 7a, 8a, and 9a to provide the four degrees of freedom. Further, actuators 11-14 to independently control movement having each degree of freedom are provided. A robot 1 is controlled by means of a sequencer 47 for a robot to roughly control the arm 2 and a controller 45 to control the multifinger hand A based on information from kinds of sensors 40-43. The sensor 40 is an approach sensor and the sensors 41-43 are a contact pressure sensor. The sensors 40-43 are attached to the respective fingers 5.
Patent JP-H06340723-A (JP)
Title: Graft propylene copolymer
Inventor: BERUNTO ROTARU MARUKUTSUINKE
IPC: C08F255/02
Filed: 1994-03-11
Abstract: PURPOSE: To obtain graft propylene copolymers which exhibit high graft ratio and improved bonding strength without using a peroxide.  
     CONSTITUTION: The propylene copolymers comprise a random propylene copolymer (I) with 0.1-15 wt.% polymerized 2-10C 1-alkenes and a random propylene copolymer (II) with 15-80 wt.% polymerized 2-10C 1-alkenes and are grafted with an α,β-ethylenically unsaturated carboxylic acid or carboxylic acid derivatives. They are obtained by reacting the graft monomer with the propylene copolymer under a pressure of 1-300 bar, wherein 0.01-1.0 wt.% (based on the propylene copolymer) of the graft monomer is mixed with the molten propylene copolymer in the absence of a free radical initiator, and the grafting reaction is carried out at 200-350°C. 
     COPYRIGHT: (C)1994,JPO
Patent JP-H03245065-A (JP)
Title: Fourier transform neural network apparatus
Inventor: MATSUURA KATSUMASA
IPC: G01R23/16
Filed: 1990-02-23
Abstract: PURPOSE:To perform the fast positive Fourier transform of a sampling waveform or the inverse transform thereof to the vibration waveform of a complex Fourier spectrum by superposing the values of a plurality of the output neurons of respective neural networks one upon another. CONSTITUTION:Intermediate layers 2 are provided between input layers 3 and output layers 2 and the neurons between the adjacent layers are mutually connected at random by synapses 4. The synapses 4 between the respective layers have loads WIJ, WIK and the pattern input signals Xi from the input layers 1 are weighted by synapse loads to be inputted to post-stage neurons 6. Next, the input signals are added by an adder and subjected to non-linear transform by a sigmoid function of a monotonous increase having a saturation characteristic to be outputted. The synapse loads WIJ, WIK to which an initial value is applied are self-organized by larning and the learning is performed on the basis of teacher signal values TK applied to the neurons of the output layers 3. First, the input pattern signals Xi are forwardly propagated to the output layers 3 and the output values XK of output neurons are largely different from the teacher signal values TK at first. A learning signal is applied as the error between the value signals TK and the output values.
Patent JP-S60184237-A (JP)
Title: Control circuit of variable power optical device
Inventor: IKEDA CHIKAMASA
IPC: G03B27/34
Filed: 1984-03-02
Abstract: PURPOSE:To make it unnecessary to increase the capacity of a memory by using a simple polynomial expression determined by characteristic values of an optical system to stop a zoom lens by extension of the length between minimum and maximum magnifications or increase of the number of magnification steps. CONSTITUTION:A console 1 consists of a fixed magnification input key 10 and an optional magnification input key 11, and a detection signal 9A from an unmagnification detector 9, a signal 10A from the fixed magnification input key 10, and a signal 11A from the optional magnification input key 11 are inputted to a control circuit 2. A driving signal 13A which rotates a pulse motor 3 is outputted by signal 12A and 12B from a CPU12. A processing circuit 13, which transmits the position of the zoom lens as an oscillated frequency signal 13B, and a memory 14 are included. A number F of pulses corresponding to a magnification is obtained with a function of an input magnification M in accordance with a polynomial expression 6, and the CPU12 performs this operation to determine the rotation direction of the pulse motor 3 and the number of pulses of movement.
Patent JP-H02219303-A (JP)
Title: Frequency adjusting mechanism for dielectric resonator
Inventor: MATSUURA HIDEYUKI
IPC: H01P7/10
Filed: 1989-02-20
Abstract: PURPOSE:To easily perform adjustment for a resonance frequency by moderating the change of the resonance frequency by reducing the area of bellows as reducing a gap between a dielectric resonator and the bellows as a conductor. CONSTITUTION:The dielectric resonator 1, a supporting board 4, the bellows 20 with tapered shape made of copper alloy, and an adjusting screw 3 are housed in a cabinet 5. The bellows 20 is pressed downward by rotating the screw 3. At such a case, since the diameter of the center part of the bellows 20 is formed less than that of the cabinet 5, the area of the bellows 20 for the resonator 1 is reduced as approaching the bellows 20 to the resonator 1. Thereby, the change of the resonance frequency due to the change of the gap can be moderated even when the resonator 1 approaches the bellows 20. Also, the relation of the gap between the resonator 1 and the bellows 20 with the resonance frequency can be set proportionally by setting the inner diameter and outer diameter of the bellows 20 at the optimum dimension. Therefore, the adjustment for a frequency can easily be performed.
Patent JP-S52124482-A (JP)
Title: Electrodialysis
Inventor: KURODA OSAMU
IPC: B01D61/50
Filed: 1976-04-14
Abstract: PURPOSE: To prevent the deposit of salts as scale, by using mono valent ion selective permeable membrane for either one or both of each cation and anion exchange membrane of the desalting room, letting flow unconcerned salts (concentrated water, removed scale forming component). 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H06259127-A (JP)
Title: Inspecting job supporting device
Inventor: TERANISHI SUSUMU
IPC: G05B23/02
Filed: 1993-03-02
Abstract: PURPOSE:To decrease the omission of inspection by an inspector by generating an alarm when the inspecting result is not received yet from an inspecting result input device and also the identification signal of an inspecting job place is unreceivable. CONSTITUTION:When an inspector arrives at an inspecting job place, an inspection signal receiver 2 receives an identification signal from an inspection signal transmitter 1. Then an inspecting item selector 4 selects the inspecting items and contents out of an inspecting item storage 3. These selected items and contents are shown on an inspecting item display device 5. When the inspector supplies the inspecting result through an inspecting result input device 6, this result is stored in an inspecting result storage 7. An inspection execution confirming device 8 receives the identification signal and at the same time detects the omission of inspection and reporting mistakes. When the device 8 confirms that the inspecting result is not received yet and also the identification signal of the inspecting job place is unreceivable, an inspection alarm device 9 displays the unreceived inspecting items and contents and produces an alarm.
Patent JP-S59167109-A (JP)
Title: Two-terminal impedance circuit
Inventor: HAYASHI TOSHIO
IPC: H03H11/46
Filed: 1983-03-11
Abstract: PURPOSE:To reduce the influence of a delay time though a digital circuit is not made high-speed neither high-power by connecting an analog processing circuit in parallel with a digital processing circuit and allowing signals having relatively low frequency components to pass through the digital processing circuit and allowing signals having relatively high frequency components to pass through the analog provessing circuit. CONSTITUTION:Inputs of a differential amplifier circuit 3 are connected two terminals 1 and 2, and the output of the circuit 3 is connected to the input of an analog-digital converting circuit 5 through a prefilter 11. The output of this analog-digital converting circuit 5 is applied to a digital processing circuit 6 to execute a processing with a prescribed transfer function. The output digital signal is converted to an analog signal by a digital-analog converting circuit 7 and is fed back and connected to said terminals 1 and 2 from an output amplifier circut 9 through a postfilter 12. An analog processing circuit 13 is connected between the output of the differentail amplifier circuit 3 and the input of the output amplifier circuit 9 to form a double loop, and the processing is executed with a prescribed transfer function by the analog signal.