baber/WOPTO huggingface dataset:
Patent JP-H06255251-A (JP)
Title: Heat sensitive recording sheet
Inventor: HASEYAMA RYUJI
IPC: B41M5/337
Filed: 1993-03-10
Abstract: PURPOSE:To provide a heat sensitive recording sheet which develops into clear yellow and is superior in keeping-stability, by providing a color development layer containing an aromatic di-isocyanate indane derivative represented by a specific formula and an imino compound represented by a specific formula on a substrate. CONSTITUTION:In a heat sensitive recording sheet, a color development layer containing an aromataic di-isocyanate indane derivative represented by formula I and an imino compound represented by formula 2 is provided on a substrate. In a formula 1, R1 and R2 are independently respectively a hydrogen atom or a 1-10C alkyl group. In the formula 2, R is a 1-20C straight-chain or beanched alkyl group or a 6-20C substituted or non-substituted aryl group or an aralkyl group or a cycloalkyl group. X is halogen atom, n is 0 or 1. The heat sensitive recording sheet is obtained by forming a color development layer, into which a color development precursor is scattered, on a sheetlike substrate.
Patent JP-H04267018-A (JP)
Title: Flat keyboard switch
Inventor: KOBAYASHI MAKIO
IPC: H01H13/702
Filed: 1991-02-21
Abstract: PURPOSE:To simplify the assembling process of a flat keyboard switch and efficiently utilize the light emitted from a light emitting element for illumination. CONSTITUTION:A moving piece 8 and a light guide plate 2 are connected by a foldable light guide member 10. The moving piece 8, light guide member 10 and light guide plate 2 are integrally formed to reduce the assembling process of the moving piece 8. When the moving piece 8 is depressed to turn a switch on, the moving piece 8, light guide member 10 and light guide plate 2 are arranged nearly on a straight line (on the same plane) on a printed wiring board 4. The light emitted from a light emitting element 7 passes the light guide member 10 from the light guide plate 2 and is guided to the moving piece 8, and it efficiently illuminates a diagram or a character 9 on a surface sheet 1 from the back face.
Patent JP-H06261800-A (JP)
Title: Detection of rna virus
Inventor: NAGAI KEIICHI
IPC: C12Q1/70
Filed: 1993-03-10
Abstract: PURPOSE:To provide a detection process for RNA virus suitable for automation. CONSTITUTION:In a single-pot manner, the sample serum is introduced into a reaction vessel containing the particles to which a single strand DNA 3 having a base sequence complementary to a specific part of RNA 2 in the target RNA virus is immobilized to effect the RNA extraction reaction and immobilize the freed RNA by the hybridization reaction. After the vessel is rinsed, a solution containing transcriptase, a heat-resistant DNA polymerase and an amplification marker labeled with a fluorescent pigment 8 is added to the vessel, whose the temperature is kept at a prescribed temperature to effect the synthesis of cDNA 6 and the amplification of single-stranded DNA labeled with a fluorescent pigment. After the unreacting primer is excluded, a single-stranded DNA is isolated from the particles 11, transferred into a cell for the fluorescent detection 12 to measure the fluorescence to determine the amplified DNA, namely the target virus.
Patent JP-S62207359-A (JP)
Inventor: YOAHIMU GENTSU
IPC: C08L101/00
Filed: 1987-03-05
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-H03250200-A (JP)
Title: Timbering lock bolt and manufacture thereof
Inventor: NATSUME SHOSUKE
IPC: E21D20/00
Filed: 1990-02-28
Abstract: PURPOSE:To manufacture a timbering construction lock bolt excellent in durability by forming a hollow cylindrical unit, parallelly provided with a plurality of protrusive streaks, by rolling and a helical protrusive streak in the peripheral surface of the hollow cylindrical unit and providing connection parts of a drifter and a bit in both ends. CONSTITUTION:A hollow cylindrical unit 5 is formed by hot rolling, and protrusive streaks 6' are parallelly provided in the peripheral surface of the hollow cylindrical unit 5 by rolling. Next, the hollow cylindrical unit 5, whose both ends are fixedly held, is twisted at a cold temperature to work the protrusive streak 6' and a stopper protrusive streak 7' into helical protrusive streak 6 and stopper protrusive streak 7, and thread work, which serves as a drifter connecting part 3 and a machine drilling bit connecting part 4, is applied to both end parts. A machine drilling bit 8 is screw-mounted to the point end of this lock bolt and to a drifter 2 of a drilling machine 1 through a connecting cylinder 10. The machine drilling bit 8 is turned and knocked by actuating the drifter 2 to excavate the ground surface. In this way, sediment or the like can be well discharged from an excavation hole.
Patent JP-H07259821-A (JP)
Title: Connector
Inventor: KIMURA AKITOSHI
IPC: F16B21/09
Filed: 1994-03-18
Abstract: PURPOSE:To provide a connector which can maintain a connecting function by furnishing a spacer to a main body surely and at the same time making the furnished spacer unable to be taken off easily by a person. CONSTITUTION:A main body 2 is made to possess elasticity strong enough to deform the main body 2 when it is compressed by means of larger force than human force, and grooves 4 are formed at the outer peripheries of both end portions 2a of the main body 2, and narrow width portions 5 and wide width portions 6 are respectively provided. Also, penetration holes 7 that are inserted with the wide width portions 6 when the main body 2 is made to be deformed and oblong holes 8 that guide the narrow portions 5 when the compression of the main body 2 is released in the state of the wide width portions 6 being inserted into the penetration holes 7 and the main body 2 is returned to the former state, are consecutively formed at a spacer 3.
Patent JP-2000251317-A (JP)
Title: Reversible recording medium and recording method using the reversible recording medium
Inventor: SUGIMOTO HIROYUKI
IPC: G11B7/24035
Filed: 1999-02-25
Abstract: PROBLEM TO BE SOLVED: To improve the degree of whiteness when light is scattered with a thermosensitive recording layer which can exhibit a white display state by having the thermosensitive recording layer and a light absorption layer as well as transparent layers between the thermosensitive recording layer and the light absorption layer and constituting >=1 transparent layers of transparent material having the refractive index lower than the refractive index of the thermosensitive recording layer or the other transparent layers. SOLUTION: The one or more transparent layers consisting of the transparent material are disposed between the thermosensitive recording layer and the light absorption layer and the low-refractive index layer having the low refractive index is made to exist in these transparent layers. The base of the thermosensitive recording layer may be used as the transparent layer when the transparent material is used as the base of the thermosensitive recording layers. The transparent layers are composed of the two layers, the base layer of the high refractive index and the low-refractive index layer of the low refractive index. The cholesteric liquid crystal compound expressed by formula I and/or formula II or a mixture containing the compound is used as the thermosensitive recording material. In the equation I, n=5, 6, 7, R=H and CH3 and in the formula II, n=2 to 10.
Patent JP-S60194605-A (JP)
Title: Logarithmic amplifier circuit
Inventor: ARITA SETSUO
IPC: H03G11/08
Filed: 1984-03-16
Abstract: PURPOSE:To protect a logarithmic converting element and to perform the logarithmic conversion of an input current all the time by detecting the output voltage of the logarithmic amplifier circuit and discharging a capacitor connected in parallel to the logarithmic converting element when the detected voltage rises above a specific value. CONSTITUTION:When a negative-polarity noise having a larger absolute value than an input current is applied to a terminal 1, the output voltage of a DC amplifier l4 becomes positive. A comparing circuit 10 consists of a reference voltage source 8 and a comparator 9 and outputs a signal for closing a switch 7 when the input voltage rises above the voltage of the reference voltage source 8. The switch 7 is closed when the output voltage of the DC amplifier 4 becomes positive and exceeds the reference voltage of the comparator. Consequently, the capacitor 2 is discharged through a protection resistance 11 to lower the output voltage to zero.
Patent JP-H06340827-A (JP)
Title: Hardenable powder mixture
Inventor: MANFUREETO MARUTEN
IPC: C08G59/50
Filed: 1994-03-18
Abstract: Curable, pulverulent mixtures containing     A) a product of the reaction of   A1) compounds containing at least two 1,2-epoxide groups per molecule and having epoxide equivalent weights of from 160 to 600, and A2) aromatic dicarboxylic acids, or a mixture thereof with compounds from the group consisting of (cyclo) aliphatic dicarboxylic acids, monocarboxylic acids and/or monohydric phenols and   A3) optionally cyclic anhydrides,  and   B) a curing agent, where the curing agent cannot be a carboxyl-containing polyester.
Patent JP-H10273063-A (JP)
Title: Electronic control type car speed sensitive power steering device
Inventor: O TOMOHISA
IPC: B62D6/02
Filed: 1997-03-04
Abstract: PROBLEM TO BE SOLVED: To facilitate the setting of a neutral location of a reaction mechanism, facilitate the manufacturing of a device, miniaturize the device and reduce required power. SOLUTION: An internal valve member 23 is formed at the tip part of an input shaft 21 provided at an input part 20 of a switching valve 10. A ball holding member 41 is integrally fitted adjacently to this valve member 23. On the opposite side, a piston 42 is fluid-tightly fitted so that it may freely slide in the peripheral direction and the axial direction. On the ball holding member 41, ball holding parts holding a ball 43, regulating the movement in the peripheral direction, are formed at intervals in the peripheral direction. An output part 30 is provided with an external valve member 31 in which a prescribed number of ball grooves 38 are formed at intervals in the peripheral direction and in a radiation shape on the end face.  A reaction mechanism 40 is constituted of a solenoid 49 controlling according to car speed a variable restriction 48 provided on the halfway of an oil path 47 connecting a ball holding member 41, a ball groove 38, the ball 43, the piston 42 and pressure chambers on both the sides of the piston 42, means 25, 24, 26 leading pressure oil of a drain oil path 61 to one of the pressure chamber and a means 62 discharging pressure oil from the other pressure chamber.
Patent JP-H03253146-A (JP)
Title: Packet exchange system
Inventor: KAWAKITA KENJI
IPC: H04L47/265
Filed: 1990-03-02
Abstract: PURPOSE:To enable a terminal to know the congested state of a network by providing the packet exchange system with a status change informing/generating means for forming/resending a status change informing packet in an exchange in accordance with combination of the value of a status storage area and a status change information receiving/displaying area value included in a packet received from the terminal. CONSTITUTION:Each exchange is provided with a congestion information transfer control part 190 having a self-state storage area 1922 and an other state storage area 1921 in the distribution circuit of a line interface part. A resending control circuit 1910 generates/resends a congestion informing packet based upon the state stored in the areas 1922, 1921 when at least one of a self- congestion state and other congestion state is ON and the congestion state confirming field of the received packet is OFF. Consequently, an unconfirmed status change informating packet can be resent from the exchange to the terminal and the status change of the network can surely be informed.
Patent JP-S56144847-A (JP)
Title: Mold making method
Inventor: KURODA MASANOBU
IPC: B22C15/30
Filed: 1980-04-15
Abstract: PURPOSE: To improve sand compaction in limited parts of a mold and assure prescribed uniform hardness over the entire part of the mold by keeping hammer weight ratios and the face pressure to molding sand within specific ranges in a pressurizing type jolting system.  
     CONSTITUTION: In mold making of a pressure jolting system, the ratios of loading weights of a jolting table 18, a molding flask 3, molding sand 4, a squeeze table 11, etc. with respect to the weight of a jolting hammer 16 are set at 0.3W1.0. Further, molding is accomplished by setting the face pressure value of the plate 11 with respect to the molding sand 4 at 0.04W0.4kg/cm 2 . By this method, the prescribed uniform hardness is assured over the entire part of the mold, the occurrence of casting defects such as swell, fins, sags and the like is prevented and the accuracy of the casting is improved. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-2000253104-A (JP)
Title: Branch unit and wiring system using the same
Inventor: SHIBAYAMA JUN
IPC: H04M1/738
Filed: 1999-02-26
Abstract: PROBLEM TO BE SOLVED: To provide a branch unit for apparent connection of plural terminal equipment with an ISDN line in a star wiring system, and a wiring system using the branch unit. SOLUTION: This branch unit 100 for branching an ISDN line 6 is provided with one input terminal 1 connected with the ISDN line and plural output terminals 2, with which main wiring 4 from the input terminal 1 are branched and connected. In this case, an input terminal 12 of another branch unit 9 is connected with the output terminal 2 of the branch unit 100.
Patent JP-2000249543-A (JP)
Title: Distance measurement method utilizing out-of-focus
Inventor: CHIN SHAKUKUN
IPC: G02B7/28
Filed: 1999-02-26
Abstract: PROBLEM TO BE SOLVED: To accurately obtain the calculation value of the distance of each point with a lens as the center of a circle by utilizing the difference in out-of- focus situation corresponding to the difference from object distance for making comparison with an out-of-focus value corresponding to each distance being stored in a memory in advance. SOLUTION: A lens PH3 with normal, short focus distance where the difference in the brightness of a remote or near object is not large is used, and a columnar lens 1 is mounted to a frame at one side of the lens. The sculptured surface of the columnar lens 1 has only one dimension, which does not have any curvature. Then, after an image is acquired, the difference in the out-of- focus situation corresponding to the difference from object distance is utilized for comparing with an out-of-focus value corresponding to each distance being stored in a memory in advance to obtain distance.  An out-of-focus functional expression of each distance in the image is converted to a response functional expression, the response functional expression is integrated at each block being divided in the image or is subjected to Fourier transform in advance for multiplying with a frequency band, and then the clearest is set to distance corresponding to the response functional expression, namely the distance of the block.
Patent JP-S51127830-A (JP)
Title: Folding device used for book binding
Inventor: TSUKADA MASUO
IPC: B65H45/18
Filed: 1975-04-25
Abstract: PURPOSE: To provide a folding device for book binding. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-S60192955-A (JP)
Title: Photoconductive member
Inventor: OOHASHI KUNIO
IPC: G03G5/08
Filed: 1984-03-14
Abstract: PURPOSE:To obtain a photoconductive member small in the content of Si and low in residual potential by adding a large amt. of element of group III to a surface protective layer. CONSTITUTION:A photoconductive member is composed of a substrate, a photoconductive layer formed on it, and its surface made of amorphous silicon contg. oxygen. The surface protective layer contains an element of group III, such as B, in an amt. of 10<-3>-10<-1>atom% of Si, and it has a thickness of 0.01-4.0mum.
Patent JP-H11245540-A (JP)
Title: Booklet, plate for hot stamping, hot stamping device, and manufacture of booklet
Inventor: YOSHIZAWA IWAO
IPC: B42D3/14
Filed: 1998-03-02
Abstract: PROBLEM TO BE SOLVED: To easily form a film on an index part by a method wherein for a booklet having a step part comprising notches having different lengths formed along the opposite side edge to a part where a plurality of papers are bound, to papers corresponding with the upper faces of respective steps of the step part, a foil is bonded by hot stamping. SOLUTION: For a booklet 1 such as a notebook and an address book, on the front cross section side, a staircase-form step part 4 is formed, and parts which become the upper faces of respective steps of the step part 4 become an index to show characters for each line of fifty-one Japanese alphabets. Also, the step part 4 comprises notches having different lengths which are formed along the side edge for each paper or every plurality of papers (p) on the side edge part of the front cross section side of the papers (p) being bound as the booklet 1.  In this case, at the step part 4 of the booklet 1, a covering layer (h) comprising a foil is formed at parts which are exposed in the step part 4 under a state wherein the booklet 1 is closed (excepting the face paper), and the covering layer (h) is a foil which is transferred by hot stamping, and a transparent one, of which the major part comprises a synthetic resin, is used.
Patent JP-H01317392-A (JP)
Title: Production of l-alpha-amino acid
Inventor: WAKAMOTO AKIKO
IPC: C12R1/15
Filed: 1989-03-03
Abstract: PURPOSE:To directly obtain the above compound useful as a raw material for foods, etc., from an alpha-(N-alkylidenamino)nitrile compound of racemic modification and to reduce production cost thereof by using a specific bacterium having nitrile hydrolyzing ability. CONSTITUTION:A nitrile compound (e.g., 2-aminopropanenitrile) shown by formula I or II (R1 and R2 are alkyl or phenyl) is treated with a bacterium [e.g., Nocardia sp. PC-29 (FERM-BP 1561)] belonging to the genus Nocardia, Mycobacterium or Corynebacterium, having hydrolyzing activity to give the aimed compound. The reaction is preferably carried out at 20-70 deg.C at pH8-12 for q-6 days.
Patent JP-S58167208-A (JP)
Title: Low noise lug tyre
Inventor: OOAKU KAZUO
IPC: B60C11/11
Filed: 1982-03-26
Abstract: PURPOSE:To reduce the noise without decreasing the characteristics and the performance of a lug tyre by arranging main lug grooves and short lug grooves alternately or one main lug groove subsequent to every 2 or 3 short lug grooves. CONSTITUTION:A lug groove 4 has a currently applied dimension, in particular, has a specified lateral length l with its inner end wall 4' sufficiently approaching a tread center 3, or a length from a shoulder 2 to the inner end wall 4' of the lug groove 4. A lug groove 4a has a lateral length which is measured from the shoulder 2 to an inner end wall 4a' thereof and shorter than that of the lug groove 4, that is, has a lateral length with its inner end wall 4a' inconsiderably apart from the tread center 3 so that the length is shorter by a certain extent than the specified lateral length of the lug groove 4. The lug groove 4 and lug groove 4a are arranged alternately.
Patent JP-H06245136-A (JP)
Title: Video camera and video reproducing device
Inventor: OKADA MIYUKI
IPC: G03B5/00
Filed: 1993-02-16
Abstract: PURPOSE:To prevent the motion of an unnatural displacement of a pattern at image pickup with panning in the video camera and the video reproducing device having a camera shake correcting function. CONSTITUTION:The shake of a video camera is detecting by an angular velocity sensor, and low pass filters 61A, 61B obtain a correction quantity form an output of the angular velocity sensor. Nonlinear limiters 68A, 68B are provided to apply nonlinear processing to a correction quantity at a correction limit with respect to outputs from the low pass filters 61A, 61B. Thus, a sudden arrival to a correction limit in the panning is prevented to make a pattern at panning natural.
Patent JP-S60195141-A (JP)
Title: Crystalline propylene polymer composition
Inventor: OZEGAKI KIMIHO
IPC: C08K5/34
Filed: 1984-03-16
Abstract: PURPOSE:The titled composition having extremely improved smell while keeping heat aging characteristics, obtained by blending a crystalline propylene polymer with a specific amount of specified stabilizers and an inorganic substance. CONSTITUTION:(A) 100pts.wt. crystalline propylene polymer having preferably 1-100g/10min MFR is blended with (B) 0.01-1pt.wt. hindered phenolic stabilizer selected from tetrakis[methylene-3-(3,5-di-t-butyl-4-hydroxyphenyl)propionate] methane and 1,3,5-tris-(4-t-butyl-3-t-hydroxy-2,6-dimethylbenzyl)isocyanuric acid, (C) 0.01-1pt.wt. thioether stabilizer selected from distearyl thiodipropionate and pentaerythritol tetra (beta-laurylthiopropionic ester), and (D) 0.01-1pt.wt. inorganic substance selected from hydrotalcite and magnesium oxide.
Patent JP-H04268810-A (JP)
Title: Delay circuit
Inventor: MURAKAMI DAISUKE
IPC: H03K5/13
Filed: 1991-02-22
Abstract: PURPOSE:To offer a delay circuit which can deal with the control of the shorter delay quantity of a pico second order and besides, has a delay characteristic superior in linearity. CONSTITUTION:Input terminals IN1, IN2 to which an input signal to be delayed is supplied, output terminals OUT1, OUT2 to derive a delayed signal, resistance elements Ra, Rb inserted between the input terminals and the output terminals, n-pieces of capacity elements C which have the capacities of C, 2C, 4C...2<n-1>C respectively providing unit capacity is made C and are connected in common to the output terminals of the resistance elements at every one terminals, and n-pieces of selecting means 21 to 2n to impress selectively the signal antiphase or in-phase to the input signal or a reference potential level to every earthing terminal of these n-pieces of the capacity elements C are provided.
Patent JP-S4922656-A (JP)
IPC: F28F21/00
Filed: 1972-05-22
Abstract: 1397264 Laminated corrugated paper bodies G C F ASKER and M A HUBSCHER 23 May 1972 24267/72 Heading B5N [Also in Divisions B1 and F4] A fluid treatment packing comprises a laminated body of paper sheets, at least some of which are corrugated so that channels for fluid passage through the packing are formed between adjacent layers, the sheets being encapsulated with a hard-setting moisture-impervious continuous organic resin film which bonds particulate material to the exposed surface of the film. The laminate may be flat or coiled and may comprise corrugated sheets only or alternating flat and corrugated sheets. The resin may be applied in completely or incomplately polymerized form either to the uncorrugated sheets or to the assembled body, and the particulate material is applied in powder or granite form before the resin sets or hardens. Specified resins are epoxy resin, polyester, polyacrylic acid, polyalkyl acrylates, polyamide, polystyrene and styrene-acrylonitrile copolymer. The particulate material may be a dessicant, an ion-exchange material or a heat-conductive material, according to the intended use of the packing (see Divisions B1, F4); examples are given. The resin may be chemically modified for ion-exchange purposes and may be filled with Al, Cu or Zn dust.