baber/WOPTO huggingface dataset:
Patent JP-S6290770-A (JP)
Title: Logical inversion symbol extracting method
Inventor: YAMAMOTO MASASHIGE
IPC: G06K9/62
Filed: 1985-10-16
Abstract: PURPOSE:To process at high speed without increasing the number of symbol patterns of the object to be recognized by providing a means to extract the feature of a logical inversion symbol, separating the said logical inversion symbol from the form of a logical symbol main body, and extracting it. CONSTITUTION:An element file 5 separating a linear element, symbol element, and a character element are separated from the binary picture data generated by reading a logic circuit dagram 1 by the photoelectric transducing mechanism of a graphic reader 2, is generated. Thereafter, for the symbol element, a separator 73 for logical inversion signal extracting the feature of the logical inversion symbol written freely at the I/O terminal of a logical symbol in the diagram 1 is provided in a phase preceding to a symbol recognition processing 71. After separating the said logical inversion symbol from the form of the symbol main body, the symbol factor is subjected to the processing 71. In such a way, even if a logical inversion symbol is attached to the I/O terminal of multi-input logical symbol, the processing is speedified without increasing the number of symbol patterns of the object of recognition.
Patent JP-S6288927-A (JP)
Title: Color sensor
Inventor: MURATA KENJI
IPC: G01J3/51
Filed: 1985-10-16
Abstract: PURPOSE:To reduce the width of variation spectral sensitivity by providing projections and recesses of specific size to the boundary surface between a photodetection surface electrode and a semiconductor active layer when laminating an optical filter which transmits light in the visible light band on the photodetection surface side of a light- transmissive base substrate and the photodetection surface electrode, the semiconductor active layer, and a back electrode on the back side in this order. CONSTITUTION:The optical fiber 2 which transmits specific monochromatic light to be detected is adhered on one photodetection surface of the glass base substrate 1 which has light transmissivity in the visible light band. Further, the photodetection electrode 3 made of ITO, amorphous silicon semiconductor light active layer 4 which has high photoconduction effect, and the back electrode 5 which comes into ohmic contact are laminated on the other surface in this order. At this time, projection parts and recess parts which have a 500-5,000Angstrom  height difference and have 1,000-10,000Angstrom intervals are provided on the boundary surface side between the electrode 3 and active layer 4 and variation of incident light reflection due to the difference in refractive index on the boundary surface between the electrode 3 and active layer 4 is evaded to improve the spectral sensitivity.
Patent JP-H1072288-A (JP)
Title: Carbon film and its forming method
Inventor: NAKAHIGASHI TAKAHIRO
IPC: C30B29/04
Filed: 1996-08-30
Abstract: PROBLEM TO BE SOLVED: To form a carbon film having high hardness and good adhesivity to a material to be coated even when the carbon film has rather large film thickness by forming one or more carbon layer units each unit comprising a thin film carbon layer and a fine particle carbon layer as an outer layer of the first layer on a product body to be coated. SOLUTION: This carbon film C1 is formed by depositing n units of carbon layer unit U each comprising a thin film carbon layer F1 of DLC(diamond-like carbon) and a fine particle carbon layer F2 of DLC on a product body S to be coated. (One or more carbon layer units U are formed according to the purpose of use, etc.). The carbon film C2 consists of a thin film carbon layer F1 formed on the outermost fine particle carbon layer F2 of C1. By forming the carbon film C2, the obtd. film has high hardness, excellent adhesivity to the body S and excellent surface smoothness. To switch formation of carbon layers F1 and F2, the vacuum degree during a film forming process and the self bias voltage applied on the electrode on the product body during the film forming process are controlled.
Patent JP-H0972695-A (JP)
Title: Injecting apparatus
Inventor: SUZUKI SHIGETO
IPC: A62C19/00
Filed: 1995-09-07
Abstract: PROBLEM TO BE SOLVED: To inject a fire extinguishing bullet at a large acceleration without giving a large impact by disposing an armature coil oppositely to a magnetic field means for generating a parallel magnetic field, and interlocking a fire extinguishing retainer for extruding the bullet based on the driving force of the coil. SOLUTION: A magnetic field coil 242 is embedded in an electromagnet 241, and an armature coil 243 is disposed oppositely to the coil 242. When a current flows to the coil 243, an acceleration of an X direction is given to the coil 243 by operating an electromagnetic force to the magnetic field generated from the coil 242. Further, a fire extinguishing bullet retainer 244 having a substantially cup-like retaining surface is interlocked to the one end of the coil 243, and the bullet B is extruded from a gun tube 245 in the X direction based on the acceleration given to the coil 343. Thus, the bullet B can be injected with large acceleration without giving a large impact to the bullet B.
Patent JP-H1166295-A (JP)
Title: Method and device for image display
Inventor: ICHINOSE TAKAHISA
IPC: A61B6/00
Filed: 1997-08-27
Abstract: PROBLEM TO BE SOLVED: To enable an operator to easily set a combination of values of >=2 parameters by making different combinations of values of >=2 parameters correspond to tap values respectively. SOLUTION: In a tap table 2, the different combinations of values of window width WW and window level WL are made to correspond to the tap values respectively. A tap table selection part 4 selects one of tap tables 2 according to photographic conditions. A tap selection part 5 selects a tap value corresponding to the position of a tap selection lever 1C. A window-setting part 6 sets the values of window width WW and window level WL corresponding to the selected tap value in the selected tap table. Further, when the operator operates a window width change button 1a or window level change button 1b, the window width WW or window level WL is changed in value and on the basis of these values, the window is set.
Patent JP-S60123078-A (JP)
Title: Torque sensor
Inventor: SAHASHI MASASHI
IPC: H01L41/20
Filed: 1983-12-08
Abstract: PURPOSE:To obtain a torque sensor having excellent linearity in the detection of torque extending over a wide range by fixing a magnetic metallic thin band, a saturation magnetostriction constant lambdas thereof is kept within a specific range, to a shaft and detecting the change of the magnetic characteristics of the thin band in a non-contact manner. CONSTITUTION:A magnetic metallic thin band 22 having magnetostriction, a saturation magnetostriction constant lambdas thereof satisfies the relationship of formula 1X10<-6=¦lambdas¦<20X10<-6>, is fixed to a shaft 21, and torque is measured by detecting a change by torque applied to the shaft 21 of the magnetic characteristics of the thin band in a noncontact manner. An amorphous alloy consisting of a composition such as one of (Co1-a-bFeaMb)zSixBy (where M represents one kind or more of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Re, Ru, Ir, Pd, Pt, Ag, Au, Cu, Zn, Al, Ga, In, Ge, Sn, Pb, Sb, Bi, Y, and a rare-earth metal and 0.05<= a<=0.5, 0<=b<=0.15, 0<=x<=20, 4<=y<=35, x+y+z=100) is used as said magnetic metal thin band 22.
Patent JP-H04112429-A (JP)
Title: Manufacture of airtight terminal for cold cathode-ray tube
Inventor: HAMADA SHIGEYUKI
IPC: H01J9/32
Filed: 1990-08-31
Abstract: PURPOSE:To melt a tablet for stem glass without fear of attachment of foreign matters by accommodating the tablet in a recess provided at the oversurface of a sealing jig. CONSTITUTION:A sealing jig 40 made of graphite is carried in and moved by a conveyor 5 in a conveyor furnace 6. A tablet 20 is accommodated in a recess 43 of this sealing jig 40, and a lead 22 to which an electrode 23 is secured, is inserted in a lead insert hole 44. The sealing jig 40 is moved to the conveyor furnace 6 by the conveyor 5. Now a heating jig 4 is also heated, and the undersurface and the side faces of the tablet 20 are melted. The oversurface of the tablet 20 is melted by high temp. air in the conveyor furnace 6. When this molten tablet 20 is cooled and solidified, a stem glass 21 is formed sealing the lead 22, and an airtight terminal 2 is accomplished.
Patent JP-S6477691-A (JP)
Title: Printing method and releasable resist style size agent
Inventor: KODAMA YUKIO
IPC: D06P5/12
Filed: 1987-09-14
Abstract: PURPOSE: To provide a method for printing fabric, capable of removing a resist paste without washing off the resist paste with water, and capable of forming a fine and complicated pattern even on a fabric which can not be washed with water, by applying a peelable resist paste to the surface of the fabric, printing the fabric with a printing color paste, and subsequently peeling off the peelable resist paste with an adhesive layer. CONSTITUTION: This method for printing fabric 1 comprises printing a fabric 1 with a peelable resist paste 2, further printing the fabric with a printing color paste 3 and subsequently, sequentially peeling off the peelable resist paste 2 with an adhesive layer 5 such as an adhesive tape, while leaving the printed color paste. Thereby, the resist paste can be removed without washing off the resist paste with water, and a fine and complicated pattern can be formed even on a fabric for which water can not be used.
Patent JP-S61179844-A (JP)
Title: Low melting point alloy
Inventor: INAGE KENGO
IPC: C22C28/00
Filed: 1985-10-18
Abstract: PURPOSE:To obtain the titled alloy superior in electrical and thermal conductivities, by adding and alloying specified quantities of In, Sn, to Ca as main component. CONSTITUTION:Ternary alloy is composed of, by weight 66.5+ or -1.5% Ga, 24+ or -5% In, 6+ or -5% Sn, or 70+ or -5% Ga, 26.5+ or -2.5 In, 6+ or -5% Sn, or 70+ or -5% Ga, 24+ or -5% In, 9.5+ or -1.5% Sn, has <=0 deg.C m.p., and is liquid state at normal temp. Since the alloy dows not have toxicity such as Hg and is superior in electrical and thermal conductivities, it can be utilized over an extremely wide range of use.
Patent JP-2001057462-A (JP)
Title: Semiconductor laser device
Inventor: KURONAGA KOICHI
IPC: H01S5/40
Filed: 1999-08-18
Abstract: PROBLEM TO BE SOLVED: To reduce the height of band gap discontinuity, and to improve an operating voltage and an operating current by forming an active layer with bulk structure with a specific film thickness at a first laser element, and by forming the active layer with the lamination structure of quantum well and barrier layers in a second laser element. SOLUTION: Laser elements 40 and 41 that have wavelength 780 and 650 nm, respectively, are formed on the same n-type GaAs crystal substrate. In both the laser elements 40 and 41, second p-type cladding layers 18 and 28 are machined to projecting strip called a ridge, and both the sides are buried by a GaAs current element layer 31, thus constricting current flowing into an active layer, and generating strip-shaped gain distribution in the active layer. In this case, an active layer 14 has an undoped layer of AlGaAs with a layer thickness of 0.01 μm or more and 0.1 nm or less, namely, bulk structure, and an active layer 24 is a multi quantum well active layer being composed of the undoped well layer and a barrier layer.
Patent JP-S59121658-A (JP)
Title: Magnetic disc device
Inventor: KARIYA SANEFUMI
IPC: G11B19/12
Filed: 1982-12-28
Abstract: PURPOSE:To attain the detection of an index at the reverse setting of a disc by arranging the 1st index detector in accordance with the position of an index detecting window of the disc and the 2nd index detector on a position to be point-symmetrical with respect to the rotational driving center of disc of the 1st index detector. CONSTITUTION:When the disc is reversely set up on the device, the index detecting window 22 is opposed to the 2nd index detector 100 and a record protecting notched part 23 is opposed to the 2nd record protecting part detector 110. Therefore, an index detecting signal is generated from the 2nd index detector 100 and fed to a computer and the opening/closing status of the notched part 22 is detected by the 2nd record protecting part detector 110 and the detecting signal WBS is supplied to the computer. Even if the disc is reversed, the index and the record protecting part can be detected in the same manner as regular setting, so that normal recording/reproducing can be attained.
Patent JP-S6473229-A (JP)
Title: Infrared detector
Inventor: TANAKA AKIMASA
IPC: G01J1/42
Filed: 1987-09-14
Abstract: PURPOSE:To achieve a lower cost with a reduction in the number of parts, by employing a field effect transistor as a high resistance element and a load resistance connected in parallel to a pyroelectric detector. CONSTITUTION:An infrared detector includes insulation type field effect transistors T3 and T3 and a junction type field effect transistor T1 to be formed as one integrated element. When a pyroelectric type detector S is irradiated with infrared rays, a voltage is generated by a polarization effect of the pyroelectric detector S. The variation of the voltage thus generated is determined as that of a gate voltage of the junction type field effect type transistor T1 thereby taking out as output signal a change in current of the junction type field effect transistor T1 due to a change in the gate voltage from the field effect type transistor T3 composing a load resistance.
Patent JP-2000061163-A (JP)
Title: Tail rotor drive assembly for helicopter toy
Inventor: TAKAYANAGI KAZUYUKI
IPC: F16H7/02
Filed: 1998-08-18
Abstract: PROBLEM TO BE SOLVED: To make it possible to prevent the generation of contact sounds, to smoothly transmit rotating force to a tail rotor and to prevent the disconnection of a belt by wear by providing the twisting portion of the belt with an intermediate roller within a tail pipe so that the belt in not is contact with each other. SOLUTION: This tail rotor drive assembly is constituted by winding a drive roller 13 rotated by an engine 11 and a driven roller 21 mounted at the tail rotor 2 by the belt 5 inserted into the tail pipe 4 and rotates the tail rotor by rotation of the belt. The intermediate roller is built into the tail pipe of the portion where the belt twists so that the rotating belt is separated by the intermediate roller 6.
Patent JP-H04115697-A (JP)
Title: Speaker
Inventor: SHIROMA YOKO
IPC: H04R9/04
Filed: 1990-08-31
Abstract: PURPOSE:To prevent abnormal temperature rise in a voice coil and breakout of a fire caused in the voice coil and the diaphragm and to enhance the rigidity of the voice coil and the diaphragm by forming the voice coil and the diaphragm integrally with organic fibers with excellent heat-resistance and nonflammability. CONSTITUTION:A voice coil 10 and a diaphragm 8 are obtained in such a way that aromatic polyamide fibers and phenol resin fibers as major components being organic fibers with excellent heat resistance, in addition to a small quantity of mica powder as a reinforcement member in a case, are uniformly blended in a beater and they are bonded by using a polyethyleneimine and a hydration proof agent, paper-made and processed for heat molding. A gasket 7 and a peripheral ridge of the diaphragm 8 are coupled with a peripheral part of a frame 6 coupled with a magnetic field part 1, the voice coil 10 fitted into a magnetic gap 9 is coupled in the center of the diaphragm 8, the middle part of the voice coil 10 is supported by a damper 11 and the voice coil 10 is fitted into the magnetic gap 9. Thus, fire breakout is prevented and the rigidity is enhanced.
Patent JP-H0982218-A (JP)
Title: Thick film pattern forming method and plasma display panel manufacture by the method
Inventor: SHIMADA KOJI
IPC: H01J17/04
Filed: 1995-09-08
Abstract: PROBLEM TO BE SOLVED: To precisely form two or more types of thick film patterns in a simple process. SOLUTION: A thick film layer 21 made of the first paste material is formed on a glass substrate 20, a photosensitive resin film 22 patterned by a photolithography method is provided thereon and a recess 24 is formed in the thick film layer 21 by sandblasting with the photosensitive resin film 22 as a masking material. After the second paste material 25 is filled in the recess 24, the photosensitive resin film 22 is separated and fired. Since the recess 24 is formed in the first paste material thick film layer 21 by sandblasting via the masking material with photolithographing precision and the second paste material 25 is filled by using the masking material, two patterns can be formed in a relatively simple process.
Patent JP-H0575133-A (JP)
Title: Non-volatile memory
Inventor: NAKAO HIRONOBU
IPC: H01L29/792
Filed: 1991-09-11
Abstract: PURPOSE:To maintain firmly low write voltage and a total amount of trapped charges to a satisfactory extent and prevent the injection of charges from a gate electrode simultaneously in a non-volatile memory device. CONSTITUTION:There are formed subsequently a silicon oxide film 12, a silicon oxide/nitride mixed film 18, a silicon oxide film 15 and a polysilicon film 16 on a silicon substrate 10. The silicon oxide/nitride mixed film 18 is sputtered so as to form a silicon-excess silicon oxide film where the film is etch-backed so that a silicon precipitation region may be exposed and formed by nitriding process under an enhanced nitrogen atmosphere. There exist a large number of interfaces between the silicon oxide region and a silicon nitride region on the silicon oxide/nitride film 18. A large amount of charges from the silicon substrate 10 are stored on these interfaces so as to write data therein. The silicon oxide film 15 inhibits the injection of charges from the polysilicon electrode 16 and prevents the deterioration of the silicon oxide film 12.
Patent JP-H02175755-A (JP)
Title: Thermoplastic resin composition
Inventor: SAEKI TADASHI
IPC: C08L51/04
Filed: 1989-09-06
Abstract: PURPOSE:To improve the chemical resistance and appearance of a molded article by compounding a polyamide with an arom. vinyl resin into which vinylimidazole or vinylimidazoline gas been introduced. CONSTITUTION:100 pts.wt. polyamide (A) with a relative viscosity (measured at 25 deg.C after 1g of polymer is dissolved in 100ml of 98% conc. sulfuric acid) of 1.0-6.0 is compounded with 90-0 pts.wt. graft copolymer (B) obtd. by copolymerizing 80-20wt.% monomer component comprising 10-100% arom. vinyl monomer and 90-0% monomer copolymerizable with said arom. vinyl monomer in the presence of 20-80wt.% rubberlike polymer and/or copolymer (C) obtd. by copolymerizing 10-100% said arom. vinyl monomer with 90-0% said copolymerizable monomer; and a graft copolymer (D) obtd. by copolymerizing 20-80wt.% monomer component comprising 10-99.9% said arom. vinyl monomer, 0.1-30% vinylimidazole or vinylimidazoline and 89.9-0% said copolymerizable monomer in the presence of 80-20wt.% said rubberlike polymer and/or copolymer (E) obtd. by copolymerizing 10-99.9% said arom. vinyl monomer, 0.1-30% vinylimidazole or vinylimidazoline and 89.9-0% said copolymerizable monomer, in such a ratio that the total amt. of A to E is 100 pts.wt.
Patent JP-H0784753-A (JP)
Title: Fixed point type digital signal processor
Inventor: UTSUGI KIYOSHI
IPC: G06F7/00
Filed: 1993-09-20
Abstract: PURPOSE:To reduce the number of cycle required for determining the shift amount of the components of the same vector for the signal of vector amount with respect to a fixed point type digital signal processor detecting a value that an absolute value becomes maximum within each component of vector for each component and performing a scaling altogether by the shift amount required for normalizing the value. CONSTITUTION:This processor is constituted of a hardware composed of a positive number forming circuit 10 outputting the present data as positive data regardless of positive or negative data, a comparator circuit 20 comparing positive data and the past maximum value data and instructing to impart the next vector data as the present data to the positive number forming circuit 10 and an update circuit 30 substituting the past maximum value data by positive data only when positive data is larger than the past maximum value data in the comparator circuit 20.
Patent JP-H0394343-A (JP)
Title: Arithmetic processor
Inventor: FUJINO YUKIHIRO
IPC: G06F7/00
Filed: 1989-09-07
Abstract: PURPOSE:To execute processing by the small number of hardwares within a short period by applying an address to a memory in each byte to read out data from the memory, inputting the read data in a computing element without using an aligning circuit and controlling a carry to write the data in the memory without using the aligning circuit. CONSTITUTION:A memory group 14 consists of four memory parts 10 to 13, and since each of the memory parts 10 to 13 has one byte width, a memory group 14 constitutes a storage means of one word width as the result. The data in the memory group 14 are read out and written by applying an address in each byte and the carries of byte computing elements 70 to 73 are controlled by a start byte, so that the contents of the memory parts 10 to 13 can be read out only by one read register and it is unnecessary to arrange aligning circuits before and after the computing elements. Consequently, the number of hardwares can be reduced, the number of processing steps can also be reduced from 5 steps in a conventional method to 3 steps and the processing time can be shortened.
Patent JP-H0395493-A (JP)
Title: Criticality preventive device
Inventor: MIHASHI TAKESHI
IPC: G21C19/40
Filed: 1989-09-07
Abstract: PURPOSE:To enable prevention from getting a criticality by providing an alarming device that generates an alarm by comparison of an effective multiplication factor fed from a calculating device of an effective multiplication factor, with a predetermined upper limiting value of the effective multiplication factor. CONSTITUTION:A concentration distribution of nuclear fuel materials in a mixer-settler and a pulse-column, is calculated by a calculating device 2 of the concentration distribution of nuclear fuel materials, based on an acidity of a supplied nitric acid solution, concentrations of nuclear fuel materials such as a uranium, a plutonium and so on, in the solution, and concentration of each element in the nitric acid solution and in an organic solvent, all of which are measured by a measurement device 1 for process controlling. At a calculating device 3 of an effective multiplication factor, a relationship between the effective multiplication factor, and the nuclear fuel material concentrations corresponding to the nitric acid solution and to the organic solvent at each their own concentration, is stored. With using effective multiplication factor data supplied from a storage device 4 of the effective multiplication factor, the effective multiplication factor at each position in the mixer-settler and the pulse- column, and of whole the device, are calculated. Then, the effective multiplication factor and a predetermined upper limiting value of the effective multiplication factor is compared and when the former exceeds the latter, an alarm is generated from an alarming device 5.