baber/WOPTO huggingface dataset:
Patent JP-S59217256-A (JP)
Title: Recording and reproducing device
Inventor: ITOU TAKEYOSHI
IPC: G11B15/18
Filed: 1983-05-24
Abstract: PURPOSE:To obtain a recording and reproducing device capable of reproduction by the same video head as in recording at self-recording/reproducing operation by recording pieces of identification information on video heads A-D and reproducing them. CONSTITUTION:Duty cycles of control pulses recorded on a control track are varied alternately at intervals of two fields and the difference between said duty cycles is discriminated on the basis of negative-polarity pulses among pulses (k) reproduced by a control head 36; and the rotary phase of a capstan motor 17 is controlled with a phase error voltage obtained by sampling and holding the slanting parts of a trapezoid wave (q) generated from the negative polarity pulses reproduced in one field period wherein the video head D performs reproduction at the leading edge of a pulse (j) having timing coincident with the recording start point of the video head A, so that one specific head A among the four video heads A-D corresponds to the phase of recorded pulse on the control track 9 on a magnetic tape 2 in 1:1 proportion.
Patent JP-H10267142-A (JP)
Title: Four position selector valve
Inventor: OGATA AKIO
IPC: F16K11/07
Filed: 1997-03-26
Abstract: PROBLEM TO BE SOLVED: To allow pilot pressure to act on a spool to realize a four position selector valve. SOLUTION: A stroke regulating position 8 is incorporated in either pilot chamber P1 of pilot chambers P1, P2, on which both ends of a spool 2 face, to partition the pilot chamber into an inside chamber 9 and an outside chamber 10. A centering spring 14 is provided in the other pilot chamber P2. Then, the acting force acting from the outside chamber 10 on the spool 2 through the stroke regulating piston 8 is made larger than the acting force acting on the spool 2 in the pilot chamber P2, and an auxiliary selector valve 18 for connecting the outside chamber 10 to a pilot pressure source 16 or a tank T, is provided.
Patent JP-S5518438-A (JP)
Title: Preparation of aromatic polyamide
Inventor: IMAI YOSHIO
IPC: C08G69/00
Filed: 1978-07-28
Abstract: PURPOSE: To prepare an aromatic polyamide having high polymerization degree, easily, by polymerizing a dicarboxylic acid and an aromatic diamine in an aprotic amide solvent in the presence of SOCl 2 .  
     CONSTITUTION: An aromatic polyamide is prepared by polymerizing (A) 1 mole of a ≤20C aliphatic, alicyclic or aromatic dicarboxylic acid and (B) about 1 mole of a ≤15C aromatic diamine in an aprotic amide solvent such as N-methyl-2- pyrrolidone, hexamethylphosphoramide, etc., in the presence of (C) ≥1 mole of SOCl 2 . The reaction temperature is maintained at ≤0°C at the initial stage, and at ≤50°C later. The degree of polymerization of the product depends upon the reaction temperature and time. Addition of an acid acceptor such as 2,6-lutidine, etc. accelerates the polymerization and gives a polymer of higher polymerization degree. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S62247215-A (JP)
Title: Optical rotary-encoder
Inventor: ICHIKAWA KAZUHIRO
IPC: G01D5/36
Filed: 1986-04-21
Abstract: PURPOSE:To obtain an encoder resistant to external noise and available for use in abrupt temperature fluctuations and at high temperatures, by, in an optical rotary-encoder which receives changing brightnesses of a beam of light passing through rotary and stationary discs and takes out a signal, allowing an optical fiber to serve as light-emitting and light-receiving bodies. CONSTITUTION:Beams of light of luminous elements 11, 12, 13 are passed through rotary disc 7 and stationary disc 8 after passing through optical fiber cables 17, 18, 19, and change of brightnesses is received by light-receiving elements 14, 15, 16 via optical fibers 20, 21, 22 and a signal is taken out. As, even if the number of signals thus taken out is plural, the optical fiber cables 17, 18, 19 of a light-emitting body and a optical fiber cables 20, 21, 22 of the light-receiving body can be formed as a pair, a signal with stable quantity of light can be taken out.
Patent JP-H07299769-A (JP)
Title: Impact tool holding device
Inventor: WATANABE YOSHIHIKO
IPC: B25D17/08
Filed: 1994-04-28
Abstract: PURPOSE:To prolong the lifetime of a tool holding device and enhance the working efficiency. CONSTITUTION:A tool holder 2 to accommodate a tip tool 1 is fitted with three or more locking members 5, each of which has curved surfaces 5a, 5b to mate with the curved surfaces of a small diametric portion 1a and side wall part 1b, respectively, of the tip tool 1. At the periphery of the locking member 5, a holder 7 is furnished which has a groove 7a so that the member 5 can move at the same time in the radial direction, and holding of the member 4 about the radial direction and its disengagement are made by operating the holder 7 with a grip 6.
Patent JP-H03290760-A (JP)
Title: Method for constituting data pass circuit
Inventor: KOBAYASHI KAZUO
IPC: G06F17/50
Filed: 1990-04-06
Abstract: PURPOSE:To effectively utilize a drawing space and to describe connecting lines in a short time by expressing connection between logic blocks with the bundle of lines and connecting the logic blocks based on corresponding relation between signal names. CONSTITUTION:A hierarchy development part 11 is provided to develop a hierarchy between descriptions from the description of applied function specification, and a line bundle deassembly part 12 is provided to develop the bundle of lines between the logic blocks. Then, a logical description generation part 13 is provided to reload a developed result to the description of a logic circuit, and an execution control part 14 is provided to control the execution of these processing parts 11-13. For the connection between the logic blocks, the bundle of lines applied the signal names is used and when preparing a data pass circuit with logic gates as constituting elements from the function specification, correspondence between the terminals of the logic blocks and the signal names is prepared and outputted. Otherwise, the terminals of the bidirectional logic blocks are calculated and the both logic blocks are connected so as to constitute the connecting lines of the data pass circuit. Thus, the drawing space can be effectively utilized and the connecting lines are described in a short time.
Patent JP-S62247316-A (JP)
Title: Zoom lens having two focusing lens groups
Inventor: TANAKA KAZUO
IPC: G02B15/22
Filed: 1986-04-21
Abstract: PURPOSE:To obtain quick and good optical capacity by providing two focusing lens groups in a zoom lens system consisting of four lens group and adjusting the focus by moving each lens group according to object. CONSTITUTION:The system has four lens groups 1-4, i.e. the first, second, third, fourth lens groups of positive, negative, positive, positive refracting power from the object side in order. when changing variable power from wide angle end to telescopic end, the second group is moved linearly to the image face side as shown by the arrow mark 9, and the fourth group is moved non-linearly as shown by the arrow mark 10 to correct change of the image face caused by change of variable power. At the time of focusing manually, for instance, the first group is moved by rotating a lens housing for focusing on a lens housing not shown in the figure. When focusing is made automatically by an electrical driving means 8 utilizing output signals from a focus detecting means 7, the fourth group is moved.
Patent JP-S5518450-A (JP)
Title: Plastic composition
Inventor: NAKASHIMA MITSUO
IPC: C08L23/00
Filed: 1978-07-27
Abstract: PURPOSE: To prepare a plastic composition capable of manufacturing molded products of excellent properties, with utilization of coating wastes readily and effectively, by blending a pulverized and heat-treated coating waste in a polyolefin resin.  
     CONSTITUTION: In a polyolefin resin, is blended 1W50wt.% (pref. ≥5wt.%) of a coating waste pulverized to a size ≤150μ (pref. ≤100μ) and heat-treated (dried) at 150W300°C. The heat treatment is necessary for preventing generation of formaldehyde and solvent odor especially in the pelletizing process, considering molding temperatures being 220W260°C in an extruder in pelletizing the blend and thermal decomposition temperatures of the melamine resin, etc. in the waste being ≥300°C. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S5215255-A (JP)
Title: Integrated semiconductor logical circuit
Inventor: MUKAI HISAKAZU
IPC: H03K19/091
Filed: 1975-07-28
Abstract: PURPOSE:To speed up the operation of the circuit by supplying bias valtages to the bases of transistors which have different conductivities in a logical circuit formed by connecting the bases of a plural number of transistors in common and then connecting these transistors to the collectors of transistors of different conductivities.
Patent JP-S62295307-A (JP)
Inventor: KARURO MARIN
IPC: C08L23/08
Filed: 1987-04-14
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-H05267734-A (JP)
Title: Micro-fabrication method of oxide superconductive thin film
IPC: C04B41/91
Filed: 1992-03-18
Abstract: PURPOSE:To avoid the deterioration in the superconductor characteristics due to dry-etching damage by a method wherein the title oxide superconductive film is micro-fabricated by irradiating it with an etching gas plasma while cooling down a specimen holder at the temperature not exceeding liquid nitrogen temperature. CONSTITUTION:An etching chamber 2 is vacuumized by a pump (d), next while holding a patterned YBaCuO superconductive specimen 7 on a specimen plate 6a, liquid nitrogen (a) is fed to the container of a specimen holder 6 so as to cool down the specimen 7 at the temperature of the liquid nitrogen. On the other hand, Ar gas (b) as an etching gas is led into an ECR element 1 to produce plasma by ECR discharge due to the function of microwaves (c) and an electromagnet 5. At this time, the specimen 7 is irradiated with the ECR plasma passing through a grid 3 so that the surface of the specimen 7 may be etched away to be micro-fabricated causing little damage due to the low and even ion-energy of this plasma.
Patent JP-S5614893-A (JP)
Title: Lubricating device for oil rotary vacuum pump
Inventor: MIKI REIICHI
IPC: F04C25/02
Filed: 1979-07-18
Abstract: PURPOSE: To prevent counterflow of a pump oil when stopping a pump quickly by a constitution wherein a piston is actuated by an action of a pivot block eccentric and coupled direct to a rotor shaft, and a lubricating port valve is operated by its compressive action.  
     CONSTITUTION: Upon rotation of a shaft 2 coupled direct to a pump, an eccentric pivot block 11 mounted on the shaft 2 rotates. A piston 13 in contact with an outer periphery of the eccentric pivot block 11 reciprocates according to actions of a spring 17 and the eccentric pivot block 11. A reciprocation of the piston 13 is translated into an expansion work on internal capacity of a cylinder 14, giving a stroke of suction, compression and exhaust. If a pump comes to stop during compression stroke of the piston 13, a pressure in a space 28 is absorbed in the interior 9 of the pump by way of a space 30, an oil hole 29 is closed by a valve 23, and a counterflow of external oil in the interior 9 of the pump is prevented. Only a quantitative oil absorbed in the space 28 is fed in the interior 9 of the pump. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S5719317-A (JP)
Title: Refining method for stainless steel
Inventor: HOSHI NORIO
IPC: C21C5/00
Filed: 1980-07-05
Abstract: PURPOSE:To make ignition of a converter effective and reduce the abrasion of the cap and wall refractories of an electric furnace by charging Cr-contg. molten iron of a prescribed C content produced with a low coke amount in the electric furnace together with coke into the converter, and soft blowing O2 of more than the prescribed ratio of the entire required amount of O2 in the initial period of blowing. CONSTITUTION:The amount of coke out of various raw materials conforming to desired Ni, Cr components is limited to <=13kg per ton of molten iron, and various raw materials are charged into an electric furnace. Stainless steel scraps, high carbon type ferronickel, high carbon ferrochromium and lime or the like are used as the various raw materials of this case. The various raw materials charged into the converter are dissolved and are desulfurized, whereby Cr-contg. molten iron wherein the C value is >=2.2wt% is prepd. Next, simultaneously with this molten iron, coke for the insufficient part of the amount of C required for ignition with respect to the content of C of this molten iron is charged into the converter. Next, in this state, the amount of O2 of >=20vol% the required amount of blowing of O2 is soft blown into the converter in the initial period of blowing; thereafter the molten iron is decarburized down to a target content of C after the blowing of O2 by ordinary hard blowing.
Patent JP-H0710465-A (JP)
Title: Method of measuring coil position
Inventor: YAMAGATA TETSUO
IPC: B66C13/22
Filed: 1992-03-17
Abstract: PURPOSE:To precisely measure a position of a coil on a bogie with the use of a simple device when the coil on the bogie is lifted up with the use of an overhead crane. CONSTITUTION:A laser distance meter 40 attached to a crab 31 of an overhead crane 30, emits a plurality of parallel laser beams S1, S2..., direct therebelow so as to measure distances to reflecting points. A bogie 20 is moved so as to cause a coil 10 to pass below the laser distance meter 40 which is carrying out the measurement of distances. The position of the coil 10 is measured from a variation in the output of the laser distance meter 40 since the output varies when the coil 10 crosses the laser beams S1, S2....
Patent JP-S58210036-A (JP)
Title: Production of phenol
Inventor: SHIMIZU TADASHI
IPC: B01J23/00
Filed: 1982-06-01
Abstract: PURPOSE:The oxidation of an aromatic compound with an organic hydroperoxide is effected using a molybdenum catalyst to permit industrially advantageous production of a phenol. CONSTITUTION:The oxidation of an aromatic compound, such as benzene, toluene, naphthalene, biphenyl, or anisol is carried out using 1-10% concentration of an organic hydroperoxide such as ethylbenzene hydroperoxide, t-butyl hydroperoxide in the presence of a molybdenum catalyst of 0.01-10mol% based on the organic hydroperoxide at 50-150 deg.C for 5min-5hr to give a phenol such as cresol. As a molybdenum compound such as MoO3, MoCl3, Mo2C, MoO2(acetylacetonate)2 or a composition thereof such as MoO3-SnO2.
Patent JP-H02270472-A (JP)
Title: Output value correction table setting method in picture input output device
Inventor: MORIKAWA HARUICHIRO
IPC: H04N1/407
Filed: 1989-04-12
Abstract: PURPOSE:To reduce the job time and to simplify the job process by allowing an input means to read a dot step wedge outputted based on a test signal, calculating the dot area rate of the dot step wedge automatically from the read picture element information and obtaining an output correction table. CONSTITUTION:A processing section 2 generates a test signal to an output section 3 with a command from a control section 4. The output section 3 in response to the value of the test signal applies half. tone output to a film and outputs a dot step wedge. Then the output film is set to an input section 1, which reads the dot step wedge as picture information and stores it in a picture memory provided to the control section 4. A microcomputer of the control section 4 calculates the dot area ratio from the obtained dot picture information individually. When the dot area rate S1 is obtained automatically as to the dot step wedge of one condition, the discrete data are interpolated depending on the relation of a test signal V1 of each stage to generate an output correction table.
Patent JP-S5426804-A (JP)
Title: Cyclone for hydrocarbon thermal cracker and its operation
Inventor: FURUE TOSHIKI
IPC: C10G9/18
Filed: 1977-08-02
Abstract: PURPOSE: To suppress the coking depositing on the wall surface of a device, by the use of holes to jet steam along the inner surface of the bell mouth of annular cosssection tangentially provided at the cyclone for hydrocarbon thermal cracker. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S5617358-A (JP)
Title: Electrophotographic material with lasting electrical conductivity
Inventor: INOUE HIDEKAZU
IPC: G03G5/07
Filed: 1979-07-20
Abstract: PURPOSE: To enhance the photosensitivity, memory effect, etc. of an electrophotographic material by forming a thin photoconductive layer contg. polyvinylcarbazole and a thick memory layer contg. an additive rendering memory effect to polyvinylcarbazole on an electrically conductive substrate.  
     CONSTITUTION: On an electrically conductive substrate such as a metal sheet or foil of Ni, Cr, Ag, Au or the like or a plastic film covered with such a metal by vacuum deposition, a relatively thin photoconductive layer consisting of polyvinylcarbazole and an electron accepting substance such as nitrobenzene or chlorobenzene and a relatively thick memory layer consisting of polyvinylcarbazole and an additive represented by formula I or II and capable of rendering memory effect to polyvinylcarbazole are formed to obtain the titled electrophotographic material showing notable memory effect. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S5519241-A (JP)
Title: Preparation of 4-homotwistane
Inventor: OOSUGI MOTOYOSHI
IPC: C07C13/605
Filed: 1978-07-28
Abstract: PURPOSE: To obtain the title compound useful as an intermediate for the synthesis of medicines and animal drugs, with a high selectivity, by reacting endo-7-hydroxy- 2,4-bishomobrendane with conc. sulfuric acid and a hydride ion donor to isomerize the skeleton.  
     CONSTITUTION: A compound of formula II is reacted with conc. sulfuric acid, 75W100%, preferably 90W98%, and a hydride ion doner, e.g. n-pentane, at 20W 100°C, preferably room temperature (20W30°C), to isomerize the skeleton and reduce the OH group, and the compound of formula I is obtained. The starting material, a compound of formula II, is novel, and obtained by acetalization of Cis-decaline-2,7-dione, by subjecting the ketal to the Wittig reaction, by hydroboration of the resulting product, by mesylation, ketal removal, reaction with NaH, and reduction with LiAlH 4 .  
     USE: Intermediates for the synthesis of antiviral agents. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H06283698-A (JP)
Title: Original reader
Inventor: KURATA SHINICHIRO
IPC: H04N1/028
Filed: 1993-03-25
Abstract: PURPOSE:To reduce an inverted after-image generated in an original reader and to read an image at a faster speed by incorporating a n pin multilayer structure from a lower electrode in a semiconductor layer for constituting a switching element. CONSTITUTION:A photodiode 14 of a photoelectric converter, a blocking diode 16 of a switching element, and channel wirings C1, C2,..., Cn for reading an electric signal from the photodiode 14 are provided on a board 12 made of glass, etc. In this case, an optical sensor is formed of the photodiode 14 and the diode 16. Particularly, at least the layer 16b for constituting the diode 16 has an n pin multilayer structure from a lower electrode 16a. Semiconductor for forming a lowermost n-type layer of the layer 16b is formed of an ITO.
Patent JP-H06283755-A (JP)
Title: Light emitting element
Inventor: MIMURA SHUSUKE
IPC: H01L33/42
Filed: 1993-03-25
Abstract: PURPOSE:To provide a white light emitting element by using a thermally nitrided thermal nitride porous silicon for the porous silicon made on a p-type or n-type single crystalline silicon. CONSTITUTION:For a light emitting element 1, Al 11 is deposited on the rear of a p-type single crystalline silicon substrate 12, and a high-speed thermal nitride porous silicon layer 13 is made on the surface of the p-type single crystalline silicon substrate 12. An amorphous silicon carbon alloy film 14 containing n-type fine crystals is formed on the high-speed thermal nitride porous silicon layer 13, and further ITO 15 is formed as a transparent electrode on the amorphous silicon carbon alloy film 14 containing n-type fine crystals. Hereby, positive holes, from the p-type single crystalline silicon substrate 12, and electrons, from the amorphous silicon carbon alloy film 14 containing n-type fine crystals, can be injected into the high-speed thermal nitride porous silicon layer 13, and a white light can be gotten and also the efficiency of light emission can be prevented from dropping.
Patent JP-S5520525-A (JP)
Title: Character recognition unit
Inventor: YANAGISAWA ICHIROKU
IPC: G06K9/42
Filed: 1978-07-31
Abstract: PURPOSE: To detect the character exceeding the limit to the adjacent characters and to erase the exceeded part, by checking the parts in contact with the frame.  
     CONSTITUTION: A(I,1) where I=1,2...m is read out from the mesh pattern for one character's share stored in the pattern memory section 14 and it is fed to the pattern position detection section 21. The detection section 21 receives the information in the order of I=1 to m, detects a pair of blacks for the start and end position, and it is fed to the position memory section 22 where it is stored. Further, a pair of blacks for the start and end point left by one to the pattern stored in the memory section 14 at present is stored in the position memory section 23. Pairs of the black start and end points of the present pattern and the pattern left by one to the present pattern are read out, they are compared with a constant at the position comparison section 24. If a certain condition is satisfied, it is judged as a part of the left character exceeding the limit and inversion is instructed to the black and white inversion section 25. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H08289095-A (JP)
Title: Image reader and light source unit
Inventor: KUMATORIYA AKIHIKO
IPC: H04N1/04
Filed: 1995-04-18
Abstract: PURPOSE: To attain reading of an image with high quality at a low cost by forming a light emitting means with at least two light emitting elements whose difference from a peak wavelength is within a specific value. CONSTITUTION: The reader is provided with a sensor array that converts a light from an object emitted by a light source comprising plural LED arrays 221 each consisting of plural light emitting elements having a different spectral characteristic arranged on a LED board 220 into an electric signal. Then LED chips 221R, 221G1 and 221G2, 221B being light emitting elements of R, G1, G2, B having four kinds of spectral characteristics are formed on the LED board 220 as one set and the LED array 221 is formed by arranging the group sets on a line and two kinds of LED chips G1, G2 are provided to an emission light of G. The spectral characteristic of the LED chip 221G1 is the spectral characteristic of the LED chip 221G2 deviated toward a short wavelength and the deviation is set within 30nm.
Patent JP-H11273950-A (JP)
Title: Laminated chip coil part
Inventor: SUZUKI YASUO
IPC: H01F17/00
Filed: 1998-03-20
Abstract: PROBLEM TO BE SOLVED: To improve the quality and stability by forming a fine coil pattern with accuracy, and clarity. SOLUTION: A ceramic pattern and a conductor pattern are laminated alternately, and the end part of each conductor pattern is sequentially connected to form a coil pattern superimposed in the laminating direction, being embedded in an electrically insulating body, and an external electrode connected to both ends of an internal coil pattern is provided on the outside surface of a chip.  A plurality of main conductor patterns 35 of identical shape in which a start end and a finish end, form the opening with a slight gap which corresponds to almost 1 turns worth is allocated in the same direction and the position of laminating direction via ceramics patterns 32 and 34 (electrically insulating layer), and a finish end part of one main conductor pattern and a start end part of the other adjoining main conductor pattern are connected together with a connection conductor pattern 33 to form a coil pattern.