baber/WOPTO huggingface dataset:
Patent JP-S63301938-A (JP)
Title: Silver halide photographic sensitive material with improved stability of development
Inventor: SATO KIYOSHI
IPC: G03C1/34
Filed: 1987-06-01
Abstract: PURPOSE:To obtain the black and white silver halide photosensitive material for continuous gradation with the improve variation of sensitivity and gradation due to the fluctuation of a developing temperature by existing at least two peaks and one of a trough in the curve of particle size distribution of a silver halide particle contd. in the titled material, and by incorporating a specific compd. in the titled material. CONSTITUTION:The compd. shown by formula I is incorporated in the titled material contg. a silver halide emulsion layer. The curve of particle size distribution of the silver halide particle exists the two peaks and the trough interposed between the peaks, and the distance between the two max. peaks is specified within a specified range, and the interrelationship of the height between the peak and the trough is preferably specified. Namely, said interrelationship is preferably as follows. Max1:Max2:Min=30-10%:50-80%:15-0%, wherein Max1 is the particle size corresponding to the max. point of the large peak of a mean particle size, Max2 is the particle size corresponding to the max. point of the smaller peak of the mean particle size, and Min is the particle size corresponding to the min point of the trough. Thus, the variation of the sensitivity and gradation due to the fluctuation of the developing temperature of the black and white silver halide photographic sensitive material for the continuous gradation are reduced, and the stability of the development is improved.
Patent JP-S623007-A (JP)
Title: Production of aluminum nitride powder
Inventor: YOSHII YUTAKA
IPC: C01B21/072
Filed: 1985-06-27
Abstract: PURPOSE:To produce soft AlN ultrafine powder in a shape close to isometric system economically, by blending metallic Al powder with a fluorine-containing ammonium compound and AlN powder in a specific ratio and heat-treating properly the blend in a nitriding atmosphere. CONSTITUTION:Metallic Al powder is blended with 0.5-8.0wt% fluorine- containing ammonium compound such as NH4F, etc., and 5-30wt% AlN powder. The mixture thus obtained is kept in a nitriding atmosphere of a nitriding gas such as NH3, etc., under heating in a low-temperature range of 430-650 deg.C for a fixed time to advance a nitriding reaction. Then, the blend is further kept in the same atmosphere in a temperature range of 900-1,300 deg.C for about 1hr, unreacted remaining Al is completely nitrided and remaining fluorine is decomposed and removed. Consequently, AlN powder in a shape close to isometric system, having about 0.7-1.0mum particle diameter is obtained by beating without requiring grinding.
Patent JP-H11328354-A (JP)
Title: Resin card and its manufacture
Inventor: YAMADA HIDEYUKI
IPC: B42D15/10
Filed: 1998-05-20
Abstract: PROBLEM TO BE SOLVED: To improve the reliability of the resin card in which a chip is incorporated by improving its pressure resistance and shock resistance. SOLUTION: By this manufacturing method, a coil antenna 5 which has the IC chip 7 mounted on a connector part 6 is arranged between center core sheets 3 and 4 constituting a sheet type center core 2 made of resin and an embedding hole part 8 is formed in one center core sheet 3 opposite the IC chip 7. In the embedding hole part 8, the IC chip 7 is arranged obliquely and a sealant 11 made of resin is charged in its circumference. The center core sheet 4 is placed over the center core sheet 3 and the center core sheets 3 and 4 are stuck together into one body by a thermal laminating system which applies pressure from above and below in heating environment.
Patent JP-H11323741-A (JP)
Title: Leather-like sheet and its production
Inventor: HASHIMOTO TAKASHI
IPC: D06N3/00
Filed: 1998-05-20
Abstract: PROBLEM TO BE SOLVED: To provide a leather-like sheet that has largely improved resistance to light. SOLUTION: This leather-like sheet comprises the fiber having an ultraviolet absorption coefficient (-log A) of >=0.9 and a light resistance factor [(log B)/(log A)] of >=0.7 and a polymeric elastomer, provided that A is the light reflection at 350 nm wavelength before light irradiation; and B is the light reflection at 350 nm wavelength after light irradiation for 200 hours at 63 deg.C from the carbon arc lamp type weather meter specified by JIS L0824. This leather-like sheet is produced by forming sheet using the fibers or their precursors that contains an ultraviolet absorber and stabilizers in an amount of >=3 wt.% in combination and has an ultraviolet absorption coefficient (-log A) of >=0.9 and a light resistance factor [(log B)/(log A)] of >=0.7 and by applying a polymeric elastomer to the formed fiber sheet.
Patent JP-S5471795-A (JP)
Title: Hydrogen overvoltage lowering method in electrolysis of alkali chloride
Inventor: TAKESHITA TETSUO
IPC: C25B11/06
Filed: 1977-11-21
Abstract: PURPOSE: To lower hydrogen overvoltage at the cathode of a closed diaphragm system cell and prevent a loss in power efficiency by electrolyzing an alkali chloride using a Raney Ni catalyst electrode, as the cathode, having a predetermined electrode potential on the basis of satd. calomel electrode.  
     CONSTITUTION: An Al-Ni alloy is pulverized to desired particles and developed with an aq. soln. of alkali to prepare Raney Ni catalyst. The catalyst is washed, vacuum dried, and partially oxidized under specific conditions over a long time to carry out stabilization. The resulting Raney Ni catalyst powder is mixed with polyfluoroethylene powder in a desired ratio, and the mixed powder is compression molded at high temp. together with a metal wire net as a reinforcing material to obtain a cathode. The cathode shows a potential of -0.8W-1.3 V on the basis of satd. calomel electrode at 70°C in a 30 wt% aq. soln. of NaOH at a current density of 1W100 A/cm 3 . The cathode potential of the catalyst is lower than that of a mild steel cathode or a microporous Ni-plated cathode. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S5839300-A (JP)
Title: Thyristor type exciter for synchronous machine
Inventor: YOKOTA HIROSHI
IPC: H02P9/08
Filed: 1981-09-02
Abstract: PURPOSE:To omit an auxiliary exciter by connecting a transformer for excitation to a power supply in a station while forming the trigger control circuit of a thyristor in changeover-possible shape. CONSTITUTION:When a synchronous machine is initially excited, an initial excitation signal generator 24 is connected to a gate pulse generator 16 by means of a changeover circuit 22, and a field breaker 41 and a field breaker 41 at the AC side are turned ON. When the voltage of a generator 1 rises up to prescribed value, the changeover circuit 22 is changed over to an automatic voltage regulator 15 side. When the synchronous machine is dynamic-braked, a synchronous breaker 4 and the field breaker 41 are tripped, field currents are demagnetized through a field discharge resistor Rd, the changeover circuit 22 is changed over to an excitation-signal generator 25 in case of dynamic braking, and the field breaker 41 is turned ON. Accordingly, the auxiliary exciter can be omitted.
Patent JP-S6040514-A (JP)
Title: Magnetic head
Inventor: KUMASAKA TAKAYUKI
IPC: G11B5/187
Filed: 1984-07-06
Abstract: PURPOSE:To obtain a magnetic head having high performance with high mechanical and magnetic stability by filling glass into a track width prescribing groove of an action gap and at the same time a metallic solder material into a reinforcing material filling groove respectively for junction of two head core half bodies made of an alloy having high permeability. CONSTITUTION:A pair of rectangular parallelepiped blocks 30 and 31 made of an alloy having high permeability is provided. A groove 32 for coil winding window is formed to the block 30, and reinforcing material filling grooves 33 and 33' are formed to blocks 30 and 31 respectively in parallel to the groove 32. Then grooves 36 and 37 are formed to both blocks 36 and 37 respectively with flat parts 34 and 35 left as action gaps. Thus core half body blocks 40 and 41 are obtained for a narrow-track magnetic head. A gap control layer 42 is formed with vapor deposition of SiO2, etc. after gap butting surfaces 38 and 39 of both blocks 30 and 31 are polished to mirror surfaces. Then both blocks are butted to each other, and a glass rod 47 and a hard solder rod 48 are put into the grooves 45 and 46 respectively and welded there. Thus a magnetic head block is obtained. Then each head is cut out of this head block with application of necessary processing. Thus it is possible to obtain a magnetic head having gap length (tw) with high accuracy and high strength.
Patent JP-S6029361-A (JP)
Title: Traveling device for large structure
Inventor: NISHINO YOSHINORI
IPC: B60S9/215
Filed: 1983-07-28
Abstract: PURPOSE:To transport a large structure without using an expensive bogie by removably fitting multiple cylinder devices provided with a rotatable wheel unit at the lower end of a piston rod via fitting members to the bottom side of the large structure. CONSTITUTION:When a large structure 41 conveyed on a ship is next to be transported on the land, mulitple traveling devices A are fitted to the lower side of the large structure 41 moved from the ship onto a quay with a crane in a checkered pattern, for example. This fitting is performed by swaying fitting plates 13A, 13B along the lower surface of the large structure 41 and energizing electromagnets 14A, 14B to allow the fitting plates to be adsorbed. Next, a discharge/injection transfer valve 37 is switched to an injection state by giving a command to individual radio pressure setters 39 with a radio equipment on a trailer, the fluid in a bottle 35 is injected into the pressure chamber 29 of each cylinder unit 17, then the large structure 41 is unloaded. Next, each wheel 32 is driven to rotate by an oil hydraulic motor 33.
Patent JP-H01310002-A (JP)
Title: Bridge building method and equipment thereof
Inventor: SHIMIZU NORIO
IPC: E01D21/06
Filed: 1988-06-06
Abstract: PURPOSE:To make the execution of the cantilever work of a beam block possible without necessity of providing support timbering at all by connecting both of an existing beam and a beam block together after transporting the beam block to the front edge of the existing beam and placing it on a temporary supporting equipment prepared at the same level with the existing beam. CONSTITUTION:After a bridge building device 1 is run on an existing beam 2, haulted at the front edge of the existing beam 2, and clamped with the existing beam, temporary supporting frames 21a, 21b are extended and scaffolding frames 32, 33 are constructed. And, a beam block 14 is lifted up by means of the hanging part 18 of a boom frame 17 and placed on the supporting frame 24 on a temporary holding device 5 which is set at the nearly same level with the existing beam 2. Then, after the existing beam 2 and the beam block 14 are positioned at the same horizontal plane by the hydraulic jack of the beam block supporting frame 24, the beam block 14 is connected to the existing beam 2.
Patent JP-S5841873-A (JP)
Title: Production of 2-mercapto-2-thiazoline
Inventor: OGURI KAZUO
IPC: C07D277/16
Filed: 1981-09-05
Abstract: PURPOSE:When the reaction between a halogenated alkylamine, carbon disulfide and an alkali hydroxide is carried out, at first, carbon disulfide and the alkali hydroxide are mixed at low temperatures to activate themselves, then a halogenated alkylamine is added to the mixture dropwise and the temperatue is raised to give the titled substance in high yield. CONSTITUTION:On the reaction between a hydrohalogenide salt of a halogenated alkylamine of formulaI(R1, R2, R3, R4 are H, lower alkyl; X, Y are halogen) such as 2-halogenoethylamine, carbon disulfide and an alkali hydroxide, at first, the carbon disulfide is mixed with the alkali hydroxide at a temperature lower than 30 deg.C, preferably at 3-5 deg.C to activate them and the halogenated alkylamine is added dropwise to the mixture and the reaction is effected at a temperature lower than 30 deg.C, preferably at 5-15 deg.C. Further, after completion of dropping, the reaction temperature is raised up to 40-80, preferably 40-60 deg.C to give the compound of formula II used as an intermediate of medicines.
Patent JP-S61295895-A (JP)
Title: Drive device of brushless motor
Inventor: YASOHARA MASAHIRO
IPC: H02P6/10
Filed: 1985-06-25
Abstract: PURPOSE:To reduce a mechanical noise by connecting the current amplifier of an energization converter output to constant-voltage generating means by using emitter terminals of diode-connected transistors commonly, thereby eliminating a current ripple of a motor. CONSTITUTION:A drive device of a brushless motor has plural phases of drive coils 1, 2, a plurality of drive transistors 7-14, position detectors 25, 26 of a movable element, an energization converter 60 for generating an energization conversion signal in response to the outputs of the detectors 35, 36 and a current amplifier 61 for amplifying the outputs of the converter 60 and driving the transistors 7-14. The amplifier 61 consists of diode-connected transistors 50-53 provided at the outputs of the converter 60, a resistor 58 which is a constant- voltage generating means, and output transistors 54-57.
Patent JP-H07323227-A (JP)
Title: Catalyst for reduction removing nitrogen oxides in waste combustion gas
Inventor: WAKABAYASHI ATARU
IPC: B01J23/10
Filed: 1994-05-30
Abstract: PURPOSE:To provide a denitration catalyst without lowering the catalytic activity over a long period of time and capable of reductive-removing nitrogen oxides from a low temp. waste combustion gas in the presence of ammonia. CONSTITUTION:This catalyst for reductive-removing nitrogen oxides in the waste combustion gas is obtained by depositing a vanadium compound, a bromine compound and at least one kind of a compound of a metal selected among iron, cobalt and rare earth metal, if necessary, further platinum group metal on a carbonaceous material. As the carbonaceous material, an activated carbon based carbonaceous material having >=10m<2>/g specific surface area is preferably used.
Patent JP-S5930355-A (JP)
Title: Picture information input device
Inventor: TAKAHASHI KENJI
IPC: G06F17/30
Filed: 1982-08-11
Abstract: PURPOSE:To set the input of discriminating information at an optional timing, by converting discriminated information into picture data for outputting it. CONSTITUTION:When picture data is stored by an input I in a pickup device 1, the picture data for one screen's share in the device 1 is stored in a storage device 9 by setting an input III to a prescribed value and generating 2 a clock pulse. Further, the discriminating information with a key input II is converted into the picture data of a prescribed size via an encoder 4A and a converter 5, transferred to a serial output device 6 and stored in the device 9.
Patent JP-H04360756-A (JP)
Title: Method and equipment to recognize side face position of work
Inventor: NORUBERUTO HEIMAN
IPC: F16D3/223
Filed: 1991-05-16
Abstract: PURPOSE: To provide a method and a device for identifying lateral position of a workpiece, especially, a ball hub so as to supply each work at an accurate position for the following working in an automated manufacturing process. CONSTITUTION: Firstly, existence of a workpiece 2 in a measuring position is identified on the basis of a reaction of a fixed sensor 17. Continuously, outline of the workpiece 2 is scanned by two movable sensors 22, 23 arranged with a distance from each other, and the position is identified by detecting a difference of the moving distance between the sensors 22, 23.
Patent JP-S6032806-A (JP)
Title: Photosetting resin composition
Inventor: FUKUSHI HIDEMI
IPC: C08F22/22
Filed: 1983-07-30
Abstract: PURPOSE:To obtain the titled composition of high heat and impact resistance, suitable for electronic parts sealing, by incorporating polymerization component (s) including polyfunctional monomer and/or polyfunctional prepolymer with flexibility-imparting matter and photopolymerization initiator. CONSTITUTION:The objective composition can be obtained by incorporating (A) a polyfunctional monomer and/or polyfunctional prepolymer [e.g., polyfunctional acrylate such as tris (2-acroxy)-isocyanurate] with (B) a flexibility-imparting matter (e.g., flexible prepolymer such as novolak epoxy compound) and (C) a photopolymerization initiator (e.g., benzoin derivative). In case incorporation of inorganic filler, etc. is required, it is desirable to additionally use a thermal polymerization initiator (e.g., benzoyl peroxide).
Patent JP-H04336133-A (JP)
Title: Closet
Inventor: ARIMA TAKASHI
IPC: E03D9/00
Filed: 1991-05-14
Abstract: PURPOSE:To prevent splashing of urine to a closet and around the closet when a man is urinating by mounting an auxiliary tool comprising a lid that can be freely opened/closed, on a western-style closet bowl through a bellows-like main body and a seat as well as a hinge mounted on the upper end of the main body. CONSTITUTION:An auxiliary tool 3 comprising a lid 7 that can be freely opened/ closed is mounted on the upper end part of a westernstyle closet bowl 2 so that the tool is detachable, through a cylindrical auxiliary tool main body 4 formed like bellows, and a seat 5 as well as a hinge mounted on the upper end of the main body. When a man is urinating by using a closet 1, the lid 7 is opened, and the bellows-like auxiliary tool main body 4 is stretched so as to increase the height. The position of urinating and the position of the closet 1 thus become near, and it will be rare that urine is splashed over the closet or that the vicinity of the closet is dirted thereby.
Patent JP-H07327156-A (JP)
Title: Fixing device and fixing method for electronic view finder in video camera
Inventor: SUZUKI MASAAKI
IPC: H04N5/225
Filed: 1994-05-31
Abstract: PURPOSE:To obtain a lock mechanism without increasing number of components by integrating an EVF(electronic view finder) fixing lock claw and a finder holder with a mold spring. CONSTITUTION:An EVF fixing button section 18 locks a boss in the lock state by projecting a tip of an EVF fixing lock piece K to a path of the boss. When the lock is released, a mold spring section L is deformed by moving a lock release button J in the direction of the arrow O to retract the tip of the EVF fixing lock claw piece K thereby moving the boss 15a freely. That is, the boss 15a is moved between a fitting start position M1 and a lock position M2. Thus, the EVF fixing button 18b is integrated with a main body of a finder holder 18 to reduce number of components and to simplify the assembling process.
Patent JP-H0434481-A (JP)
Title: Image forming device
Inventor: TOKIEDA KENICHI
IPC: G03G21/00
Filed: 1990-05-31
Abstract: PURPOSE:To facilitate the rapid destaticization of the transfer material charge after transfer by providing a 2nd electrode which impresses the voltage of the same polarity as the polarity of the charge to be imparted to the transfer material between the 1st electrode and a transfer means. CONSTITUTION:The 2nd electrode 502 which impresses the voltage of the same polarity as the polarity of the charge to be imparted to the transfer material P is provided between the 1st electrode 501 and the transfer means 300. The current flowing into the electrode 502 is maintained at the specified voltage as the electrode 502 receives the corona ions of the same polarity as the polarity of the transfer material P from the transfer means 300. On the other hand, electric fields are concd. to the front end of the electrode 501 and gases are ionized by these electric fields, by which the ions necessary for destaticizing the transfer material P are formed in the electrified transfer material P and the electrode 502. The current of the same polarity as the polarity of the transfer corona is passed from the electrode 502 to the electrode 501 and the electrifying charge of the transfer material P flows similarly to the electrode 501. The transfer material P is destaticized in this way and is easily peeled (separated) from an image carrier 202.
Patent JP-S63304761-A (JP)
Title: Masking method for original
Inventor: HIROSE ETSURO
IPC: G06T1/00
Filed: 1987-06-05
Abstract: PURPOSE:To smoothly correspond to the size of a part to be read by providing plural holes whose sizes differ in a thin plate and using the masking pattern paper of an opaque magnetic substance in which the holes are phasedly arranged in the order of sizes and an original fixing base having a plane magnet. CONSTITUTION:The masking pattern paper 1 consists of the opaque sheet of the magnetic substance, in which four kinds of large and small holes 2 and holes 3 whose one sides are twice or three times as big as one side of the holes 2 are respectively provided four kinds in correspondence with the holes 2 with the sizes of four kinds, whereby twelve holes are provided in all in the whole masking pattern paper 1. The positioning marks 5 are printed on the periphery of the holes 2-14 and positioning marks 6 are on the periphery of the masking pattern paper 1 lest they all are read at the time of reading. The plane magnet 9 is fitted on the central part of the original fixing base 8 and square reference lines 10 are lightly printed on the surface of the magnet 9. Thus, only the necessary part of the original can easily be read and inputted.
Patent JP-2000326254-A (JP)
Title: Inserting and drawing jig
Inventor: KURODA HIDEHIKO
IPC: G02B6/00
Filed: 1999-05-20
Abstract: PROBLEM TO BE SOLVED: To provide an inserting and drawing jig capable of attaching/detaching a fine member-to-be-inserted/removed to/from a fixture easily and properly. SOLUTION: When an optical fiber connector is drawn, respective pressing pawls 1 and drawing pawls 2 are inserted between the optical fiber connector and a substrate without operating control levers 5 and grasping members 15. The grasping members 15 are grasped and a fixture is crimpingly clamped with the respective pressing pawls 1. The respective control levers 5 are grasped, and the optical fiber connector is drawn from the fitting groove of the fixture by the drawing pawls 2. When the optical fiber connector is mounted, a pressing bar 12 is slid to a fixture side with the optical fiber connector attracted to an attracting magnet 14, thereby pressing the optical fiber connector into the fitting groove of the fixture.
Patent JP-S6121418-A (JP)
Title: Support device for mover
Inventor: HIROSE TSUNEO
IPC: G11B21/02
Filed: 1984-07-05
Abstract: PURPOSE:To facilitate adjustment of a gap between side grooves and to avoid mechanical play by inserting rolling members between a side groove of a movable portion and a side groove of a fixed portion confronting with the movable portion, and pressing the fixed portion to the movable portion. CONSTITUTION:V-grooves 32 are formed on both sides of a movable portion 31, and V-grooves 36, 37 are formed opposite to the above grooves 32 on fixed portions 33, 34 fixed to a fixed chassis 35 in such a manner as to clamp the movable portion 31 from both sides. Plate springs 41 are interposed between a side wall 40 formed on one side of the fixed chassis 35 and one fixed portion 33 fixed to the fixed chassis 35 by elongated holes 38 and screws 39 in such a manner as to move slightly forward and backward, thereby to urge the fixed portion 33 to the movable portion 31. Rolling members 42 are inserted between the grooves 32, 36 and between the grooves 32, 37, respectively. In this arrangement, the adjustment of gaps between the grooves 32, 36 and between the grooves 32, 37 can be facilitated, a difference in size and deformation of the rolling members 42 can be allowed, and mechanical play is avoided.