baber/WOPTO huggingface dataset:
Patent JP-H0758734-A (JP)
Title: Digital data detector
Inventor: YAMADA EIJI
IPC: H04L7/033
Filed: 1993-06-30
Abstract: PURPOSE:To provide a digital data detector which follows up only variation due to wows and flutters of a digital received signal and detects digital data having a small data error. CONSTITUTION:A point where the digital received signal sampled by an A/D converter 1 crosses a reference level is detected to output a zero-cross point signal C and the predicted value Pi+J' of a current phase is calculated from the predicted value Pdi+1 of a phase interval, etc., calculated from a last phase Pi and a phase Pi-j which is more than two phases ahead; and the band limitation predicted error Y of the current phase which has its frequency band limited by a digital filter circuit 8 is calculated from the current predicted error X calculated by a subtracting circuit 7 and a data detection clock and digital data are detected from the predicted value Pi+1 of the current phase and phase information on the current phase Pi+1, etc., calculated from the band limitation predicted error Y of the current phase corresponding to the zero-cross signal C.
Patent JP-H0827102-A (JP)
Title: Sulfontium chloide having cross-linked cyclic alkyl group, optical acid generator, photosesitive resin composition containing the same and pattern formation using the resin
Inventor: IWASA SHIGEYUKI
IPC: C07C381/12
Filed: 1994-07-14
Abstract: PURPOSE:To obtain a new alkylsulfonium salt which has high transparency to a specific far-ultraviolet region, shows high sensitivity and resolution to exposure of far-ultraviolet rays, thus is useful as photoresist using a specific far-ultraviolet ray as an exposing beam. CONSTITUTION:A sulfonium salt bearing a cross-linked cyclic alkyl group of formula I (Y<-> is a counter ion; R<1> is norbornyl, adamantyl, beta-oxonorbornan-2-y1; R<2> is methyl; R<3> is beta-oxocyclohexy1, cyclohexy1), for example, beta- oxocyclohexylmethy1(2-norborny1)sulfonium trifluoromethanesulfonate. The compound of formula I is obtained, for example, by reaction of a sulfide derivative of formulas II-IV with a halogenoalkyl of formula V (W is a halogen), formula VI or formula VII followed by reaction of the product with an organic acid metalic salt of formula VIII (M<+> is Ag<+>). The compound of formula I is useful as an optical acid generator. This acid generator is admixed to a photosensitive resin to give a photosensitive resin composition.
Patent JP-H0839519-A (JP)
Title: Production of cellulose board material
Inventor: NITSUKU KENTO DEIJII
IPC: C08G8/10
Filed: 1995-06-28
Abstract: PURPOSE: To accelerate a curing speed by coating a cellulose material with specific alkaline phenol resin as an adhesive binder. CONSTITUTION: Individual cellulose constituting materials (strands) are coated as a binder with an alkaline phenol resol resin solution containing 1 to 7 wt.% of potassium hydroxide, at lest 40 wt.% of solid content, and 2 to 8 wt.% of alkalinity content calculated as sodium hydroxide. Then, these cellulose constituting materials are heated and pressurized to cure the resin, and then the material is combined with the state of the board as the cellulose board material. Thus, the resin can be rapidly cured without discharging excess formaldehyde.
Patent JP-H0916045-A (JP)
Title: Cleaning device for photoreceptor drum
Inventor: KAWASHIRI TETSUNAO
IPC: G03G21/10
Filed: 1995-06-28
Abstract: PURPOSE: To effectively prevent contamination in a device caused by toner powder removed from a photoreceptor drum by providing a box for storing scraped waste toner and always impressing bias having a reverse polarity to the toner on the inner surface of the box. CONSTITUTION: This cleaning device 10 for a photoreceptor drum is provided with a cleaning blade 1 abutting on the photoreceptor drum 11 and removing the residual toner remaining on the drum 11 after transfer, and the waste toner box 2 for storing the waste toner scraped by the blade 1. The bias having the reverse polarity to that of the toner is always impressed on the inner surface of the box 2. The toner removed by the blade 1 is attracted to the inside of the box 2 because electrostatic force (attractive force) acts on the toner in relation to electric field formed by the bias impressed on the inner surface of the box 2.
Patent JP-H08331324-A (JP)
Title: Image communication equipment
Inventor: NAITO TAKASHI
IPC: H04N1/00
Filed: 1996-06-24
Abstract: PURPOSE: To make the image communication equipment small at a low cost by improving an original read section. CONSTITUTION: This equipment is provided with a close contact image sensor 201 to read image information of an original, a read roller 202 and a discharge roller for carrying an original provided to an upper stream and a down-stream of the close contact image sensor 201 and a plate member 240 whose dead- weight presses the original being carried to the cue contact image sensor 201 and having a rotary fulcrum 241 at the upperstream of the read position of the close contact image sensor 201 to provide a white reference face for shading distortion correction of the close contact image sensor 201.
Patent JP-S5686208-A (JP)
Title: Elastic body constitution ram
Inventor: HAGIWARA EIICHIROU
IPC: F15B15/14
Filed: 1979-12-14
Abstract: PURPOSE: To obtain a low cost ram which surely can obstruct a leak of a fluid by a method wherein a cylindrical elastic expansion body having sealed both ends is formed in a sealing constitution and coil springs are installed in the expansion body by supress an expansion in a radial direction.  
     CONSTITUTION: A cylindrical elastic expansion body 1 having sealed both ends is formed in a sealing constitution and coil springs 2 or rings are installed in this expansion body 1 to supress the expansion in radial direction. And in order to constitute the ram, end plates 3, 4 are installed at both end parts of the expansion body 1 and a mouthpiece 6 opening to a fluid filling space 5 to be formed in the inside of the expansion body 1 is installed at an end part of the expansion body 1. This ram is used, for example, in an oil pressure transfer device, and it is extended to a axial direction by supplying a pressure fluid from the mouthpiece 6. At this time, the expansion of the ram in the radial direction is obstructed by the coil springs 2 or rings, thus, the ram is expanded only to the axial direction. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H0510221-A (JP)
Title: Solenoid fuel injection valve
Inventor: TAKEDA HIDETO
IPC: F02M61/16
Filed: 1991-07-03
Abstract: PURPOSE:To prevent injection continuity due to retention or foreign substances by disposing a filter in a fuel path formed by a needle valve and a nozzle body in a solenoid fuel injection valve wherein by exciting a solenoid coil a needle valve and also a movable core are moved toward a fixed core. CONSTITUTION:Within a needle valve 7, a fuel path 75 in bag hole form which opens at the rear end face of the needle valve 7 and extends in between a first guide portion 73 and a second guide portion 74 communicates to a guide hole 82 through an outlet hole 76 formed between the first guide portion 73 and the second guide portion 74. In a far portion of the fuel path 75 is disposed a second filter 9 of filter mesh in bag form. Foreign substances staying upstream from the second filter 9 within the injection valve are thus trapped. When fuel passes outside the peripheral sideband needle valve 7 of a movable iron core 5 and reaches the first guide portion 73 and guide hole 82 of the needle valve 7 and the foreign substances pass in between, the foreign substances are not retained because a gap between the valve-open seating portion 78 and the valve seat portion is large.
Patent JP-H1067078-A (JP)
Title: Optical element and multilayered laminate of fluoride material used in production thereof
Inventor: QUESNEL ETIENNE
IPC: G02B1/10
Filed: 1997-06-19
Abstract: PROBLEM TO BE SOLVED: To provide a multilayered laminate capable of being used as a reflection preventing film, a trichromic mirror, a spectral filter or a protective film within ultraviolet, visible and infrared regions and having resistance against laser irradiation. SOLUTION: In order to provide a multilayered laminate of a fluoride material usable in an optical product and the manufacturing process thereof, a first highly refractive material composed of YF3 and a second low refractive fluoride material composed of LiF are alternately laminated to form a laminate. Since a special stable compd. such as YLiF4 is precipitated on the boundary layer of this laminate, by forming the multilayered laminate formed to at least a part of the boundary layer, the adhesiveness between adjacent layers is enhanced and objective optical characteristics are obtained.
Patent JP-H063612-A (JP)
Title: Controller for quantity of light
Inventor: KATO JUNICHI
IPC: H01S5/068
Filed: 1992-06-22
Abstract: PURPOSE:To switch the rate of increase of current according to a plurality of desired quantities of light so as to reduce the rate of change of the quantity of light by enabling the current increase characteristic of increase means to be switched according to the plurality of desired quantities of light. CONSTITUTION:An analog voltage feedback by a D/A convertor circuit 17 for converting a discrete value of a counter 16 into analog voltage is subjected to current amplification by current amplifier circuits 1(21), 2(21') which correspond to switchable quantities P1, P2 of light selected by a switching circuit 20 according to a reference level selecting signal applied from a terminal T3. Even when the smaller value (P1 in this case) of the switchable quantities of light is controlled, the rate of change of the quantity of light per one count of the counter 16 for the desired quantity of light can be prevented from increasing, so the accuracy of control of the quantity of light is increased.
Patent JP-H06347272-A (JP)
Title: Target device
Inventor: KATSUME KEIYA
IPC: G01C15/00
Filed: 1993-06-06
Abstract: PURPOSE:To provide a target device wherein especially a target is provided with a filter device such as a polarizing filter or the like and the target can be observed in a high-contrast state regarding the target device which is used for a system which collimates the target and which measures the position of an unknown point by making use of the position of the target as a reference point. CONSTITUTION:A first filter 213 is arranged in the direction of a collimation line between a target and a collimation position. A second filter 214 is arranged in the extension direction of the collimation line. Polarizing filters can be adopted as the first filter 213 and the second filter 214, and their polarizing directions can be made perpendicular to each other. In addition, the first filter 213 and the second filter 214 can be made nearly spherical by using the target as the center, and they can be constituted of cylindrical polarizing filters.
Patent JP-H0453825-A (JP)
Title: Production of polyamide resin
Inventor: TOGASHI OSAMU
IPC: C08G69/46
Filed: 1990-06-20
Abstract: PURPOSE:To obtain the title resin suitable for a thin-walled molded article used at a high temp., such as a connector or a coil bobbin, by preparing a condensate having a low degree of condensation from an aq. soln. of monomers or salts of them which constitute specific structural units and converting the condensate into a polymer having a high degree of polymn. with a melt extruder. CONSTITUTION:In producing a crystalline copolyamide comprising hexamethyleneterephthalamide units of formula I and units selected from the group consisting of a hexamethyleneisophthalamide unit of formula II, a hexamethyleneadipamide unit of formula III, and a capramide unit of formula IV in a specified ratio of these units, a diamine component in an amt. of 0.3-10mol% excess based on the number of total moles of monomers or salts of them constituting units of formulas I to IV is used and the condensation is conducted at 150-300 deg.C under a pressure of 20kg/cm<2>G or lower to give an NH2-rich condensate having a low degree of condensation and a relative viscosity etar of 1% sulfuric acid soln. at 25 deg.C of 1.01-1.6. After a dicarboxylic acid component in an amt. offsetting the shortage is added to the condensate, it is converted into a polymer having a high degree of polymn. with a melt extruder, giving the title resin.
Patent JP-S645960-A (JP)
Title: Production of superconductor
Inventor: YOSHIOKA NOBUYUKI
IPC: C01G3/00
Filed: 1987-06-30
Abstract: PURPOSE:To obtain a superconductor which attains superconductive state at >=77K by compression-molding a powder mixture consisting of specified three kinds of element component, and calcining the molded product in oxidizing atmosphere. CONSTITUTION:A first component (A1) contains at least one kind of element selected from Y, Er, Sc, La, Nd, Sm, Eu, Gd, Dy, Ho, Tm Yb, and Lu. A second component (A2) contains at least two kinds of element including Ba selected from Ba, Ca, and Sr. A third component (A3) contains at least one kind of element selected from Cu, Zn, Ni, Co, Fe, Pd, Ag and Cd. Power consisting primarily of element(s) belonging to the group A1 is mixed with powder consisting primarily of elements belonging to the group A2 and powder consisting primarily of element(s) belonging to the group A3. The powder mixture is compression-molded and the molded product is calcined at 950-1,200 deg.C in oxidizing atmosphere to form a sintered body having K2NiF4 structure contg. rhombic crystals. The sintered body is an aimed superconductor consisting of A1, A2, A3 and O wherein each content of A1, A2 and A3 is defined by the inequalities.
Patent JP-S5590981-A (JP)
Title: Toner replenishment control unit
Inventor: KATOU SHIYOUSHICHI
IPC: G03G15/08
Filed: 1978-12-29
Abstract: PURPOSE:To maintain toner concentration always constant and obtain the distinct images of a correct concentration by providing a development concentration detecting part to part of the photoreceptor of a smooth image forming surface and controlling the replenishment of the toner according to the quantity of reflected light from the detecting part. CONSTITUTION:A detecting part 2 for detecting toner concentration is provided to part of a photoreceptor 1. A light emitting diode 13 is let to emit light and the reflected light from the detecting part 2 is received in a photo detector 14 to measure the quantity of received light. The received light signal is amplified 15 and is applied to a toner replenishment control circuit 16 which in turn emits a drive signal to open the gate valve 18 of a toner replenishment hopper 8. Since the surface of the photoreceptor 1 is smooth, the pickup amount of the toner is constant and the change in the toner concentration in the developer 6 appears immediately as a change in image density and since this change is directly detected, the toner concentration may be maintained always constant.
Patent JP-S5686108-A (JP)
Title: Aqueous dispersion of thiabendazole
Inventor: TSUTSUMI TOSHIO
IPC: A01N43/78
Filed: 1979-12-15
Abstract: PURPOSE: To prepare the titled dispersion having improved dispersibility in water and wettability, spreadability and fixability to orange fruits, etc., and useful as a fungicide for oranges and banana, by compounding thiabendazole, a sugar fatty acid ester, and shellac as essential components.  
     CONSTITUTION: The wettability, spreadability and fixability of an aqueous dispersion of thiabendazole to the surface of oranges and banana, and the dispersibility of thiabendazole in water, are improved by adding a sugar fatty acid ester and shellac as essential components to the dispersion. Addition of an adjuvant component comprising sodium citrate or sodium polyphosphate further improves the wettability, etc. The dispersion can be stored for a long time in the form of a homogeneous concentrated dispersion, and diluted easily and uniformly in use. The dispersion can be used as a highly effective and safe fungicide for the oranges and banana because it gives a uniform and tough thiabendazole film on the surface of said fruits. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S5967217-A (JP)
Inventor: DEBITSUTO ROOZE
IPC: A61K8/49
Filed: 1983-09-07
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-H0917668-A (JP)
Title: Transformer for generating high voltage
Inventor: IYAMA KATSUO
IPC: H01F38/42
Filed: 1995-06-29
Abstract: PURPOSE: To provide a transformer for generating high voltage which is reduced in cost by reducing the number of parts by housing a high-voltage capacitor and a breeder resistance in the main body section of the transformer. CONSTITUTION: A secondary coil bobbin around which a high voltage-side coil is wound in a plurality of layers is arranged on the outer periphery of a primary coil bobbin around which a low-voltage side coil is wound and the secondary coil bobbin is attached to a parts fixing frame to which a plurality of rectifier diodes which rectify a voltage induced across the high voltage-side coil, a high- voltage capacitor and a breeder resistance which suppress voltage fluctuation, and a plurality of insulating cylinder section 41 provided with high-voltage terminal pins 42R, 42G, and 42B which output the voltage after dividing the voltage are attached. Then the parts fixing frame fitted with the secondary coil bobbin is inserted into an external case 48 which is opened on one side and provided with a plurality of cylindrical sections 13 on the other side and, at the same time, the insulating cylinder sections 41 are passed through the cylindrical section 13.
Patent JP-2000351618-A (JP)
Title: Production of hydrous silicic acid
Inventor: TAKAHASHI MASAHARU
IPC: D21H17/68
Filed: 1999-06-10
Abstract: PROBLEM TO BE SOLVED: To provide a method for stably and readily producing hydrous silicic acid having an excellently improved preventing effect on strike-through of ink after printing even by wet grinding. SOLUTION: This method for producing a hydrous silicic acid comprises adding a mineral acid to an aqueous solution of an alkali silicate which is an aqueous solution of the alkali silicate and an alkali metal salt except the alkali silicate and has 9-12% alkali silicate concentration calculated as SiO2 concentration and 0.5-3.0% concentration of the alkali metal salt except the alkali silicate so as to make 20-40% neutralization degree at <=50 deg.C, then heating the solution to 80-95 deg.C and adding the mineral acid at the temperature continuously for 45-90 minutes until the pH reaches 3-6.
Patent JP-H075424-A (JP)
Title: Liquid crystal color display device
Inventor: SHITO ISAMU
IPC: G02F1/133
Filed: 1993-06-07
Abstract: PURPOSE:To provide the liquid crystal color display device which has a proper color tone and no deterioration in picture quality by making color filters uniform in light transmissivity which is different, CONSTITUTION:The color filters 23a-23c of red(R), green(G), and blue(B) are formed on the glass substrate 22 of a liquid crystal cell 20 to uniform film thickness, equalized in aperture area, and arranged in a matrix. Transparent electrodes 25a-25c formed just above the color filters are driven on a time- division basis according to the light transmissivity values of the color filters which are different, color by color, so that the lowest light transmissivity is regarded as reference transmissivity and light transmitted through other color filters becomes equal to the reference transmissivity, thereby correcting the light transmissivity of each color filter so that it is made uniform. Consequently, a liquid crystal color display with a proper color tone and excellent picture quality can be made.
Patent JP-H0456830-A (JP)
Title: Fiber for light amplifier
Inventor: OHASHI MASAHARU
IPC: H01S3/06
Filed: 1990-06-25
Abstract: PURPOSE:To improve amplification gain by adding rare earth elements to the whole core part of an optical fiber as active substances and specifying the interrupting wavelength of the fiber. CONSTITUTION:The rare earth elements are added to the whole core part of the optical fiber as active substances and the interrupting wavelength of the fiber is set up to the range of 0.75 to 0.85mum. Namely, signal gain can be sharply improved by including the interrupting wavelength maximizing the signal gain and setting up a radius (ao) for doping rare earth elements to a value smaller than a core radius (a) and an optimum interrupting wavelength for maximizing the signal gain is moved to the long side in inverse proportion to the decrement of the ao/a. Thus, signal light can be efficiently amplified.
Patent JP-S5865770-A (JP)
Title: Productionof powdered paint composition having good flow characteristics
Inventor: ITOU HARUKI
IPC: C09D5/00
Filed: 1981-10-16
Abstract: PURPOSE:To produce the titled compsn. which has excellent flow characteristics and coating workability and inhibits agglomeration caused by fine powder of powdered paint, by pulverizing a mixture consisting of pellets of a solid paint compsn. and finely divided silica. CONSTITUTION:A colorant, a hardener, a surface controlling agent, etc. are melt- dispersed in a thermosetting resin such as an acrylic resin to obtain pellets of a solid paint compsn. 0.01-2.0wt% finely divided silica having a max. particle size of 20mu or below is added to the pellets. The mixture is pulverized by means of a turbo-mill or Henschel mixer. EFFECT:Since fine silica as primary particle is uniformly dispersed and adsorbed on the surfaces of powdered paint particles, a coating film having excellent appearance can be obtd. without causing agglomeration of the powdered paint particles.
Patent JP-H05329810-A (JP)
Title: Popcorn block
Inventor: OGUCHI KIYOSHI
IPC: B27N3/02
Filed: 1992-05-29
Abstract: PURPOSE:To provide a popcorn block suitable for a packing material, simply treated after use, generating no environmental pollution and capable of being subjected to the feed of livestock. CONSTITUTION:A large number of popcorns 1 are molded into a predetermined shape using a binder 2, for example, a thermal adhesive fiber such as a melt fiber, a thermal adhesive paste material such as a hot-melt paste material or other paste material to be solidified. The obtained block is suitable for a packing material because it is light and has proper cushioning properties. Further, this block can be used as a heating material because air layers are formed by a large number of closed or open spaces 4... formed between popcorns 1.... The block can be simply treated after use without generating environmental pollution by incinerating the block or embedding the block in soil and can be used as the feed of livestock. The block can be permanently produced because it is constituted of a cultivable material (corn).
Patent JP-H0826173-A (JP)
Title: Motor-driven bicycle
Inventor: HIROSE YASUO
IPC: H02P7/00
Filed: 1994-07-15
Abstract: PURPOSE:To provide a motor-driven bicycle that is able to detect the extent of torque for pedaling force because of making a spring smoothly operable, and to perform a job for accurate assistance. CONSTITUTION:This is a motor-driven bicycle consisting of a man power driving part rotating a rear wheel by rotation of a pedal via a spring, and a motor driving part rotating the rear wheel 3 by drive of a motor 8, and further it is provided with a torque detecting part detecting each torque of the motor driving part and the pedal by means of an expansile motion of the spring, thereby driving the motor according to the detected value of this torque detecting part, and the spring expands or contracts almost tangentially in a concentric circle as an axle of the rear wheel.