baber/WOPTO huggingface dataset:
Patent JP-S62193388-A (JP)
Title: Video signal processing circuit
Inventor: SOMEYA IKUO
IPC: H04N9/74
Filed: 1986-02-19
Abstract: PURPOSE:To obtain a high quality color picture image by removing frequency component in a frequency band corresponding to frequency band of carrier chrominance signals by a band-rejection filter from luminance signals that constitute composite color video signals fro display together with the carrier chrominance signals. CONSTITUTION:Frequency component having frequency of 3.58 MHz, carrier wave frequency of carrier chrominance signals Cc, and nearby frequency is removed from luminance signals Yc supplied to an adder circuit 20 through a low-pass filter 19 by passing through a band-rejection filter 40. Change in vertical direction of color difference signals (R-Y)c and (B-Y)C supplied to a chrominance signal modulating section 23 through low-pass filters 21 and 22 is lessened by stages by passing through vertical low-pass filters 41 and 42, and vertical frequency band is restricted.
Patent JP-S60178371-A (JP)
Title: Earth detection of high voltage machinery
Inventor: KITANI SHIGERU
IPC: H02H7/00
Filed: 1984-02-24
Abstract: PURPOSE:To attain to detect an earth point at an early stage, by earthing mutually divided and insulated respective shield cases of high voltage machinery by plural earth wires and detecting an earth current flowing to the current detection heads attached to a pair of arbitrary earth wires. CONSTITUTION:A center conductor 2, to which high voltage is applied, is shielded by split shield cases 4 mutually insulated through insulating plates 3 and the shield cases 4 are earthed through detection heads 6a, 6b. The detection heads 6a, 6b are respectively connected to a receiver 9 at every two through optical fibers 7, 7', 8, 8'. Then, earth currents are detected as reverse phase earth induction currents by the detection heads 6a, 6b and applied to the receiver 9 through the optical fibers while subjected to electricity-light conversion and the converted lights are again converted to currents by light-electricity conversion and, thereafter, the regenerated earth induction currents are mutually added and compared with a predetermined current value to detect earth.
Patent JP-S62193775-A (JP)
Title: Hard work cutting circular saw
Inventor: MATSUDA YUSAKU
IPC: B24D5/12
Filed: 1986-02-18
Abstract: PURPOSE:To form such a cutting portion as being yet thinner without entailing any drop in strength of a disc and make width of cut as well as to strengthen binding capacity in making the binding area increase, by making the wall thickness of a cutting portion forming part thinner than that of the disc, and forming a step part there. CONSTITUTION:A lot of holes 3 are set up in random form in a cutting portion forming part 2 having proper width toward the center of a disc 1 from an outer circumferential end of the disc 1. Diamond fine grains 4 are bonded overall on a surface of this cutting portion forming part 2 and each inner circumferential wall of these holes 3, forming a cutting portion of a circular saw. At this time, wall thickness of the cutting portion forming part 2 is made thinner than that of the disc 1 except the cutting portion forming part 2, and a step part 6 is formed whereby binding force to the cutting portion forming part 2 of the cutting portion 5 can be strengthened. Along with this, stress to be received by these diamond fine grains 4 in and around this step part 6 can be held up with this step part 6, and the cutting portion 5, namely, the circular saw's durability is improvable. In addition, the yet thinner cutting portion 5 is formable without entailing any drop in strength of the disc 1 and, what is more, the width of cut can be smaller.
Patent JP-S53120443-A (JP)
Title: Cleaning method for corona discharger
Inventor: TOYONO TSUTOMU
IPC: G03G21/10
Filed: 1977-03-29
Abstract: PURPOSE: To completely clean a discharge electrode without any damage through a simple operation by providing a cleaning opposite electrode in the vicinity of the discharge electrode so as to burn out the contaminants which are caught by the discharge electrode. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S59159950-A (JP)
Title: Electrical contact material
Inventor: SAKAIRI KOUICHI
IPC: H01H1/023
Filed: 1983-03-03
Abstract: PURPOSE:To improve the consumption resistance and welding resistance of an Ag-Ni type electrical contact material while maintaining its stable contact resistance by uniformly dispersing specified metallic carbide particles in the contact material. CONSTITUTION:Powdered Ag is mixed with 1-30wt% powdered Ni and 0.05- 5wt% fine powder of at least one kind of carbide such as TiC, WC, SiC or CrC. The powdered mixture is repeatedly subjected to sintering and compression in a neutral or reducing atmosphere. The sintered body is extruded into a wire with an extruder, and the wire is worked into a fine wire of about 2.4mm. diameter with a drawer. In the wire, the volume of Ni and metallic carbide particles is <=150mum<3>. The wire is cut and formed into a rivet to manufacture an electrical contact material having superior characteristics.
Patent JP-2000234508-A (JP)
Title: Variable valve system for internal combustion engine
Inventor: HARA SEINOSUKE
IPC: F01L1/18
Filed: 1999-02-15
Abstract: PROBLEM TO BE SOLVED: To improve control responsiveness and to reduce size of an actuator by reducing unbalanced load torque caused by force of a valve spring and exerted on a control shaft. SOLUTION: This device operates an intake valve 12 for opening against force of spring of a valve spring 10 by an oscillation cam 17 which links to a rocker arm by oscillating the rocker arm through a link arm by a driving cam fixed on a driving shaft 13. The device is provided with a bias mechanism which exerts force against one side torque working on a control shaft from the valve spring 10 through the rocker arm and a control cam by pressing a projecting part 41 with force of spring of a valve spring 45 through a plunger 44.
Patent JP-S62193863-A (JP)
Title: Thermal transfer type printer
Inventor: AOYANAGI YUJI
IPC: B41J31/16
Filed: 1986-02-21
Abstract: PURPOSE:To enable an ink ribbon to be used multiple times, by heating a used part of the ink ribbon, thereby leveling a rugged surface of an ink layer of the ribbon. CONSTITUTION:An ink ribbon 8 used for printing is supplied with a quantity of heat for softening an ink layer 22 by a heater 13, and is drawn upward by a ribbon drawing- out roller 9 while being clamped between a ribbon sliding guides 11, 17 and making sliding contact with the latter. In this case, the part of the ribbon 8 being drawn upward makes sliding contact with the part of the ribbon 8 being returned while facing the former part after being reversed, whereby recessed parts and projected parts of the ink layer 22 are leveled through mutual filling or shaving, and the ink ribbon 8 with the ink layer 22 thus leveled in discharged upward on the left side. The discharged ink ribbon 8 is reversed by the roller 9, is then fed downward on the right side while making sliding contact with the guide 17, is reheated by a heater 14, and is again brought into sliding contact with the part of the ink ribbon 8 being newly introduced upward on the left side immediately after recording, whereby the rugged surface of the ink layer 22 is further leveled. The ink ribbon 8 with the ink layer 22 thus leveled is discharged downward on the right side, and is taken up around a take-up roll 7.
Patent JP-S61196567-A (JP)
Title: Semiconductor device
Inventor: MATSUSHITA TSUTOMU
IPC: H01L29/78
Filed: 1985-02-26
Abstract: PURPOSE:To form appropriately a MOS circuit having a low threshold value, by constituting a vertical MOS transistor section and CMOS circuit section on a substrate 1 of a first conductive type. CONSTITUTION:A CMOS circuit section 5 has a P<-> epitaxial layer 25 formed, which constitutes a first region of a second conductive type on a substrate 1 of a first conductive type, and the section 5 includes an NMOS transistor 31 and PMOS transistor 39 therein. Below the transistors 31, 39, a P<+> type buried layer 40 is formed between the transistors 31, 39 and substrate 1. In such a semiconductor device, by grounding the P<-> epitaxial layer 25 and buried layer 40, the vertical MOS transistor section 3 and CMOS circuit section 5 become a reverse bias state on account of the PN junction between the N well and P<-> epitaxial layer 25, with the result that both can be electrically separated. Moreover, the buried layer 40 prevents latch-up phenomenon from occuring.
Patent JP-H07214610-A (JP)
Title: Ejector device of injection molding machine
Inventor: MAKI HIROSHI
IPC: B29C45/40
Filed: 1994-02-08
Abstract: PURPOSE:To shorten a molding cycle by a method a large ejection force is produced in an initial ejection stage, and after the release of a molded piece from a mold, the molded piece is ejected at a high speed. CONSTITUTION:A flange 21 is provided on a movable platen 3 through guide rods 20. An ejector bar 22 is movably thrust through by the guide rods 20. A driving means 23 for driving the ejector bar 22 is provided. The drive means 23 is composed of a large-diameter hydraulic cylinder 25 having a short stroke and small-diameter hydraulic cylinders 26 having a long stroke. A top surface of a piston rod 35 of the large-diameter cylinder 25 separatably abuts on a head of an adjuster bolt 31. A top of a piston rod 36 of the small-diameter cylinder 26 is connected to the ejector bar 22. The large-diameter cylinder 25 and the small-diameter cylinders 26 are each connected to pipes 40, 41 in parallel to be connected to an oil pressure source 43 and a tank 44 through a three-position solenoid operated valve 42.
Patent JP-S59162193-A (JP)
Inventor: AKAHORI YUKIO
IPC: C05F7/00
Filed: 1983-03-04
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-H11219414-A (JP)
Title: Mobile information communication object
Inventor: FUNAKUBO KAZUO
IPC: G06K17/00
Filed: 1998-02-02
Abstract: PROBLEM TO BE SOLVED: To prevent information received by a reader-writer from being erroneously judged at the time of transmitting information to the reader-writer in non-contact state by providing a time lag between the mark of a high-order signal level and the mark of a low-order signal level arranged adjacently to each other in a slot. SOLUTION: The mark of the high-order signal level (a mark in the state of a value '1') and the mark of the low-order signal level (a mark in the state of a value '0') are included the slot and the time lag is provided between the mark of the high-order signal level and the mark of the low-order signal level arranged adjacently to each other. Therefore, even in the case when distortion is caused in the waveform of the mark of the high-order signal level in the slot transmitted from a mobile information communication object, the influence of the distortion to the position of the mark of the adjacent low-order level is reduced. Thereby, it is ensured to obtain correct information based on a received signal.
Patent JP-S59160758-A (JP)
Title: Ultrasonic flaw detecting device of circumferential weld zone
Inventor: MIYAKE KOUJI
IPC: G01N29/30
Filed: 1983-03-04
Abstract: PURPOSE:To obtain positional reproducibility of indication and to improve reliability by providing a position detecting ring that can be attached and detached freely on the outside of a cylindrical body and recording positional data together with flaw detection data. CONSTITUTION:An inspection device 13 consists of a position detecting and processing section 15 and an ultrasonic flaw detector 6. The flaw detector is exclusively used for piping, and consists of a basic flaw detecting function section 26, a DAC (distance amplitude correction curve) function section of digital system, a multigate function section 28 and appreciation unit and digital output unit 29. Positional information and ultrasonic data outputted by the inspection device 13 are taken in a system controller 16 and recorded in a memory 17. Recorded data can be reproduced and processed by a general-purpose computer system. Further, the efficiency of inspection can be improved, and exposure can be reduced in an atomic energy plant, etc.
Patent JP-S62275383-A (JP)
Title: Bloch line memory element and its actuating method
Inventor: MARUYAMA YOJI
IPC: G11C19/08
Filed: 1987-02-20
Abstract: PURPOSE:To attain a reading action with a Block line memory element allowing to correspond a pair of Block lines with the 1-bit information, by providing an intra-plane magnetic field application means in the vicinity of the end part of a stripe magnetic domain. CONSTITUTION:A pair 4 of Block lines are provided at the end part of a stripe magnetic domain 2 and a current IC1 is conducted to a conductor 10 to produce an intensive intra-plane magnetic field HC in the inverse of Y axis direction. Thus the space between both Block lines 4-1 and 4-2 is increased. The line 4-1 is moved up to the outside of the conductor 10 by a magnetic field produced by the conductor 10. While the other line 4-2 is set stably at the end part of the domain 2. Then a prescribed current is supplied to a conductor 7 and the domain 2 is easily cut to produce a new magnetic domain 8. This segmented domain 8 is detected by the same method as a normal bubble memory technology and the pair of Block lines can be read out as the digital information.
Patent JP-S55128556-A (JP)
Title: Electric contact-point material and producing the same
Inventor: FUJIWARA KOUICHI
IPC: H01H1/02
Filed: 1979-03-28
Abstract: PURPOSE: To improve electric contact-point material in discharge wear resistance or the like by a method wherein one or more of Si and Ge and a specific amount of one or more of sub-additional elements such as Au, Pt, Pd, Rh, Ru, Os, and Ir are added to Ag, and are internally oxidized after processing.  
     CONSTITUTION: One or more of Ge and Si in 1'17 atomic % as major solute element and one or more of Au, Pt, Pd, Rh, Ru, Os, and Ir in 1W10 atomic % as sub- additional element are added to Ag, and Si and Ge are finely dispersed. This ingot is hot or cold processed to form into a specified shape and is internally oxidized under atmosphere at a temperature between 250°C and eutectic point. The method easily provides an electric contact-point material which maintains contact properties such as resistance to sticking, contact resistance, and wear resistance against discharge consumption, and has an extremely improved resistance to corrosive gas. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S55128173-A (JP)
Title: Doppler radar for vehicle
Inventor: FUKUMORI YUKITSUGU
IPC: G01S13/60
Filed: 1979-03-28
Abstract: PURPOSE:To accomplish highly accurate speed detection with a higher value of S/N through narrow band amplification of Doppler output signal. CONSTITUTION:The output signal of the Doppler radar 2 is fed to a variable filter 6 via an amplifier 3 having a frequency band covering the detection speed range. The filter output is outputted as the speed signal through a frequency voltage converter 4. The output is introduced to a voltage comparator 7, the output of which controls the band range of the filter 6 as shown by f0-f4.
Patent JP-S63204416-A (JP)
Title: Control system for operation of unmanned carrier
Inventor: IWASAKI SHINTARO
IPC: G05D1/02
Filed: 1987-02-20
Abstract: PURPOSE:To effectively control the operation of an unmanned vehicle by inputting the carrying sections and the number of desired carriers for objects to be carried through a slave station calling terminal equipment and transmitting the operation control information to the carrier via a master station central controller based on the input information. CONSTITUTION:An unmanned carrier 11 running on a guided route 12 detects the home stations 16a and 16b are decides its stop position. A master station central controller 13 produces the operation control information based on the input information and transmits it to the carrier 11 via optical communication devices 15a and 15b. Thus, the carrier 11 travels according to the received control information and moves back to a station 12a when its jobs are through. The slave station calling terminal equipments 14 are set dispersedly along the route 12 and send the operating instructions to the station 13 for optional numbers of carriers 11 set among optional numbers of points. In addition, the layout change is easy because the route 12 is formed by an optical guiding system. Thus, the carrier 11 is controlled with high efficiency.
Patent JP-S63203210-A (JP)
Title: Device for eliminating roll eccentricity
Inventor: TANIMOTO ITARU
IPC: B21B37/18
Filed: 1987-02-20
Abstract: PURPOSE:To eliminate variations in rolled sheet thickness caused by eccentricity of upper and lower backup rolls by subordinately treating load values by a rolling load detection means to a rotation angle by a rotation angle detection means and separately calculating an eccentrical amount of respective rolls. CONSTITUTION:Pulses generated by a pulse generator 18 directly connected to an upper backup roll 11 and a pulse generator 19 directly connected to a lower backup roll 12 are inputted to a roll eccentricity eliminator 20 and are converted into respective rotation angles of rolls 11, 12. A rolling load is also detected by a load cell 16 and is inputted to the eliminator 20. The eliminator 20 finds separately an eccentricity basic wave component and a higher harmonic wave component of the rolls 11 and 12 respectively by use of a high speed Fourier transformation method. Those components are synchronously regenerated with a rotation angle of the rolls 11, 12 and are outputted to a hydraulic draft controller 21, which controls a hydraulic device 17 to bring a rolled sheet thickness to be constant.
Patent JP-S58184293-A (JP)
Inventor: SAMUERU ERU BERUCHIYAA
IPC: B29C35/12
Filed: 1983-03-04
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-H01209711-A (JP)
Title: Manufacture of magnet having magnetic field cavity
Inventor: INOUE KENICHI
IPC: H01F41/02
Filed: 1988-02-17
Abstract: PURPOSE:To make it possible to obtain a desired magnetic field having excellent accuracy and intensity in a cavity, by forming the cavity in a substrate made of a magnetic material, inserting a core made of a magnetic material having a shape that fits in said cavity, forming a unitary body, magnetizing the body, and thereafter removing the core out of the substrate. CONSTITUTION:At first, a cylindrical core 1 is manufactured with a magnetic material. As the magnetic material, 'Alnico(R)' based material, samarium cobalt based material and rare earth boron based material can be listed. Then, a rectangular parallelopiped substrate 2 is manufactured with the same magnetic material as that of the cylindrical core 1. A cylindrical cavity 3 having a shape that fits in the cylindrical core 1 is formed. Then, the cylindrical core 1 is inserted into the cylindrical cavity 3 in the rectangular parallelopiped substrate 2 so as to form a unitary body. The substrate is magnetized. At this time, since the cylindrical cavity 3 of the rectangular parallelopiped substrate 2 is filled with the cylindrical core 1, the inside is uniformly magnetized. After the magnetization, a magnet 10 having the cavity 3 is obtained. Magnetic dipoles appear in the density distribution of cos theta on the inner wall. An extremely uniform, intense magnetic field is formed in the cavity 3.
Patent JP-H03238951-A (JP)
Title: Multiple path communication equipment
Inventor: YAMAZAKI MASASHI
IPC: H04L45/121
Filed: 1990-02-15
Abstract: PURPOSE:To make a time constant till the confirmation of transmittal is attained when a data is sent through the use of any communication line and to decentralize a load with respect to a communication line by calculating the ground of communication line selection based on a reply time of an actual communication line. CONSTITUTION:A communication line dependent transmission reception management selection means 12 being a selection means selecting one of communication line dependent transmission reception management sections receiving a data to be sent from the communication line dependent transmission reception management sections 3, 4 selects the communication line dependent transmission reception management section having a reply time calculation means calculating a minimum value of expected values in reply time calculation means 36, 46. Thus, the selection of the communication line is realized by taking the difference from the reliability of the communication lines and from the processing capability of an opposite communication equipment into account and the time till the transmittal is confirmed is constant even when a data is sent through the use of any communication line and the load of the communication line is decentralized.
Patent JP-S58164797-A (JP)
Inventor: NETSUDO DABURIYU PORAN
IPC: C25D5/24
Filed: 1983-03-04
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-H05202557-A (JP)
Title: Scavenging vehicle for sewerage
Inventor: MATSUMOTO KOJI
IPC: E03F9/00
Filed: 1992-01-28
Abstract: PURPOSE:To safely and hygienically carry out a scavinging work for sewerage or the like. CONSTITUTION:A flexible suction hose 23 provided with a suction nozzle 24 at the front end and to be attachable to a vaccum device at the rear end is fixed to a mobile car A having a driving means shifting the traveling direction so as to extend the suction nozzle to the front direction of the mobile car by an appropriate length and freely and horizontally rotate it and also freely move it back and forth. Moreover, a driving means is provided to vertically move the suction inlet 28 of the suction nozzle from the grounded position directed downward to the upward position and also move the suction nozzle back and forth. And a scraper 37, scraping face of which is directed to the traveling front, is attached at the front end of the mobile car to be able to come into contact with the ground at the bottom side.
Patent JP-2000235102-A (JP)
Title: Optical device and optical lens consisting of resin composition containing thermoplastic silicone resin
Inventor: TSUJI TOSHIO
IPC: B29C45/70
Filed: 1999-02-15
Abstract: PROBLEM TO BE SOLVED: To obtain an optical device molded product having characteristics such as excellent formability, low cost, excellent heat resistance, low residual double refraction and low water absorption by using a thermoplastic silicone resin for the optical device. SOLUTION: The optical device consists of a resin compsn. containing a thermoplastic silicone resin. By introducing aromatic groups by 15 to 100 mol% into the substituents coupled to silicon atoms in the thermoplastic silicone resin, a higher refractive index can be obtd. Or, by introducing alkyl groups by 15 to 100 mol% into the substituents coupled to silicon atoms, the optical device having high transmissivity for light in a short wavelength region of <=400 nm can be obtd. Further, by introducing hydrogen atoms by 15 to 100 mol% into the substituents coupled to silicon in a short wavelength region of <=400 nm can be obtd.
Patent JP-H05200863-A (JP)
Title: Heat recoverable article
Inventor: HIBINO YUTAKA
IPC: H01B17/58
Filed: 1992-01-28
Abstract: PURPOSE:To provide a heat recoverable article applying insulating shield to the connection part or terminal part of an electric wire or cable. CONSTITUTION:A preliminarily crosslinked tubular molded article 1 is stretched under heating to impart heat recovery properties to the tubular article 1 and a metal wire braded layer 2 or a metal foil longitudinally applied layer 4 is provided to the outer periphery of the tubular article 1 and, further, a resin outer layer 3 is applied to the outer periphery of the layer 2 or 4. The cylindrical heat recoverable article thus obtained is longitudinally split at one place in the longitudinal direction thereof. Therefore, the insulating shield effect of an electrical noise generated part is large. Especially, the longitudinally split article is improved in workability because it is unnecessary to pass an electric wire through the article before connection and the article provided with a hot-melt adhesive layer 5 as the innermost layer is prevented from the penetration of water and has excellent insulating and waterproof shield effect.