baber/WOPTO huggingface dataset:
Patent JP-H11283466-A (JP)
Title: Limit switch
Inventor: YAMAWAKI YOSHIYUKI
IPC: H01H21/28
Filed: 1998-03-31
Abstract: PROBLEM TO BE SOLVED: To provide a limit switch capable of enlarging the rotation angle of an actuator and a linear stroke of a plunger. SOLUTION: This limit switch comprises: a rotation shaft 1; an actuator 2 which abuts against a member to be detected and rotates in either side direction from an initial position around the rotation shaft 1; a conversion cam 3 having a rotation center 31 and an peripheral part 32 which converts into linear movement by rotating from a prescribed position 32a on the peripheral part 32 corresponding to an initial rotational position of the conversion cam 32 in an either direction of the peripheral part 32; a plunger 5 which moves linearly with its one end part 51 abutting against the peripheral part 32 of the conversion cam 3; and a switch part 6 whose movable contact comes in contact with and gets off a fixed contact by being driven by the plunger 5.  The distance δ between the rotation center 31 and the peripheral part 32 of the conversion cam 3 is designed so as to become larger with increasing distance of a position on the peripheral part 32 from the prescribed position 32a on the peripheral part 32.
Patent JP-H06120044-A (JP)
Title: Low-noise transformer core
Inventor: MIZOGAMI MASAHITO
IPC: H01F27/245
Filed: 1991-04-17
Abstract: PURPOSE:To obtain a technique of reducing the magnetostriction of the core of a transformer and of reducing the noise of the transformer by a method wherein the core is constituted so that the permeability of the material for the inner peripheral part of the core is lower than that of the material for the outer peripheral part of the core. CONSTITUTION:A core of a transformer is constituted so that the permeability of the material for the inner peripheral part of the core is lower than that of the material for the outer peripheral part of the core, whereby the distribution of a magnetic flux density in the core is made uniform. Thereby, the magnetostriction value of the core is reduced and the noise value of the transformer can be reduced.
Patent JP-S529424-A (JP)
Title: Photosensitive compositions
Inventor: TANAKA SHINICHI
IPC: C08L33/14
Filed: 1975-07-11
Abstract: PURPOSE:In order to obtain the non-silver salt series hologen dompound of which sublimation character is small and which has no toxicity.
Patent JP-S62242721-A (JP)
Title: Burner with flame power automatic adjusting function
Inventor: SATO MITSURU
IPC: F23D14/48
Filed: 1986-04-14
Abstract: PURPOSE:To eliminate a troublesome manual adjustment and save gasified fuel to be used by a method wherein a burner is provided with a flame power automatic adjusting function. CONSTITUTION:Gasified fuel passed through a first slit 8 and a second slit 3 and exited out of flame ports 7 is ignited and ignited at each of the flame ports 7, its heat is transmitted to each of rims 4 and each of the rims 4 is extended in its longitudinal direction due to its linear expansion. At this time, since a terminal end of each of the rims 4 is fixed to a main body 1 of a burner with a fixing screw 6 through an annular flange 5, a burner cap 2 is turned to rotate and the second slit 3 is shielded by an opposed shutter piece 9 by a distance of this rotation and a gasified fuel passage A is narrowed during that time, so that a flow rate of the gasified fuel is decreased and a heat transmitted to each of the rims 4 is decreased. In this way, the gasified fuel to be supplied in such a way as a heat power after combustion is made constant is automatically adjusted and a fine adjustment is carried out under a rotation of the burner cap 2 by loosing the fixing screw 6 and utilizing an arcular hole 10.
Patent JP-S57202176-A (JP)
Title: Picture processing system
Inventor: SAITOU SEIJI
IPC: G03F3/00
Filed: 1981-06-05
Abstract: PURPOSE:To process in real time for the information designated the area with a simple constitution, by designating the area with a plurality of colors other than the printing colors and processing the printed data within the designated area based on the color data in response of the plurality of colors. CONSTITUTION:A reflected light LM from an original MAT designated for the area with a plurality of specific colors of a loop with a prescribed thickness reaches photoelectric converters PHB and PHR via reflecting mirrors RM1 and RM2, an image forming lens LNS, and a beam splitter BS. Red and blue signals photoelectrically converted at the converters are binarized (CDR, CDB), applied to a color discriminator DMC and blue data DBU, red data DRE and black data DBK are generated. After the blue and red data being the area designation data are respectively compressed (CDM, CDS; CDMR, CDSR) toward the main and subscanning direction, the data are stored in line memories ML1-ML3, ML1R- ML3R and the limit of the designated area is detected with edge detectors EDE and EDER.
Patent JP-S57203615-A (JP)
Title: Equipment for conveying fish under suction pressure
Inventor: KAGAWA YASUHIRO
IPC: B65G51/01
Filed: 1981-06-05
Abstract: PURPOSE:To efficiently hydraulically convey fish, by operating a piston unit which has pistons on both the ends of a shaft in two pressure conveyance chambers defined by providing a partition in the center of the piston unit. CONSTITUTION:A vacuum pump 37 is driven by an electric motor 36 and solenoid valves 32, 33 are opened to heighten the degree of vacuum in suction pressure conveyance chambers 25, 26 so that fish and water in a fish tank 42 are conducted into the chambers 25, 26 through suction ports 7, 8 by the vacuum suction force. At that time, pressure conveyance ports 12, 13 remain disconnected from a pressure conveyance pipe 16 by check valves 14, 15. A water pump 20 is driven by an electric motor 46 to introduce water under pressure into a first pressurization chamber 17 through a solenoid valve 19 to move a piston unit 6 in the direction of an arrow A in the drawing by the water pressure. At that time, a first piston 4 acts so that the fish and water in the pressure conveyance chamber 25 open the check valve 14 and are moved under pressure to the pressure conveyance pipe 16 and conveyed to a chute 44. When a prescribed time  has elasped, the solenoid valve 19 is shifted to introduce water under pressure into a second pressurization chamber 26. At that time, a second piston 5 acts so that the fish and water in the pressure conveyance chamber 26 open the check valve 15 and are moved under pressure to the pressure conveyance pipe 16.
Patent JP-S59213051-A (JP)
Title: Reel driving control device
Inventor: HIRAI HIROTAKE
IPC: B65H23/18
Filed: 1983-05-18
Abstract: PURPOSE:To always control tape feed operation to the prescribed operation without measuring a variation quantity against the variation of the constant of an object to be controlled such as the state of a tape quantity on a reel, the variation of a motor constant, the inequality of reel inertia, etc. CONSTITUTION:A transducer 6 receives a signal 7 detected by a tape tachometer 5 and generates a tape speed signal 8 and a tape displacing signal 9. A magnetic tape 1 is fed by driving a motor 11 which has direct-coupled a feed reel 2 by a motor shaft 10 and a motor 13 which is direct-coupled a winding reel 3 by a motor shaft 12. A motor control signal for controlling these motors 11, 13 is generated by controllers 14 and 15. Power amplifiers 16 and 17 are devices for excuting a power amplifying operation for driving the motors 11 and 13 by receiving said each motor control signal. Said controller 14 refers to the tape speed signal 8 detected by the tape tachometer 5 in order to feed the magnetic tape 1 by a prescribed tape length. A signal 18 based on a motor current is referred to for the purpose of stabilizing a reel driving control system. A control panel 15 also refers the tape speed signal 8 and to a signal 19 based on a motor current.
Patent JP-H06273468-A (JP)
Title: Conductive film inspection device
Inventor: OTAKE FUMIO
IPC: G01R31/02
Filed: 1993-03-18
Abstract: PURPOSE:To provide a conductive film inspection device which can judge whether a transparent conductive film (I.T.O) pattern with different pattern pitches is acceptable or not. CONSTITUTION:The device is provided with a probe needle 3 which moves relatively so that it comes into contact with each conductive film patterns in the order of time, a strip-shaped probe 2 for allowing one-edge parts of a plurality of proper conductive film pattern bringing into contact with one another, a voltage supply part 13 for supplying an inspection voltage VTP to the probe needle 3 in synchronization with the timing when the probe needle 3 comes into contact with each conductive film pattern, and a judgement part 5 for judging whether each conductive film pattern is acceptable or not based on a detection voltage VO obtained from the strip-shaped probe 2.
Patent JP-S59211541-A (JP)
Title: Method for vacuum-refining crude copper
Inventor: YABE TOORU
IPC: C22B15/14
Filed: 1983-05-18
Abstract: PURPOSE:To remove efficiently impurities from crude copper by melting the crude copper in a vacuum furnace and bringing the molten crude copper into contact with a gas contg. oxygen. CONSTITUTION:Crude copper is melted by heating to about 1,200-1,350 deg.C in a vacuum furnace kept at about 0.05-100Torr degree of vacuum. A gas contg. oxygen such as air is introduced into the furnace from a hole pierced in the furnace, and the gas is brought into contact with the molten crude copper. Impurities, especially Sb, Bi and As are efficiently removed from the crude copper.
Patent JP-H02267226-A (JP)
Title: Production of cold rolled steel sheet excellent in workability
Inventor: SAYANAGI SHIRO
IPC: C21D9/46
Filed: 1989-04-06
Abstract: PURPOSE:To easily obtain a cold rolled steel sheet excellent in workability and reduced in the change due to ageing by applying descaling, cold rolling, and annealing to a thin cast slab of a steel in which respective contents of C, Mn, S, and Ti are specified in an as-hot-rolled state after >=3min from solidification. CONSTITUTION:A steel having a composition containing, by weight, <=0.005% C, <=0.5%. Mn, <=0.02% S, and 0.001-0.01% Ti is refined. The resulting molten steel is cast into a thin cast slab of <=60mm thickness, which is hot-rolled after >=3min from solidification. The resulting hot rolled steel plate is subjected, in succession, to descaling, cold rolling, and annealing.
Patent JP-H01304896-A (JP)
Title: Conversion of beta-lactam compound
Inventor: KURAUDEIO FUGANCHI
IPC: C12P35/02
Filed: 1989-04-06
Abstract: PURPOSE: To convert a β-lactam compound to other compound by protecting the carboxy group at 2nd position as the corresponding phenylacetyloxymethylester form, enzymatically hydrolyzing the compound and removing a protecting group.  
     CONSTITUTION: A carboxy group at second position is protected as the corresponding phenylacetyloxymethyl ester form and then, subjected to enzymatic hydrolysis and the protecting group is removed to convert the compound to β-lactam compound. An enzyme used for removal of the protecting group is preferably penicillin acylase and enzymatic hydrolysis is preferably carried out in an aqueous/organic solvent at 0-55°C and pH5-9.5. Furthermore, specifically, β-lactam having isolated carboxy group is treated with a compound represented by formula I (X is Cl, Br, I, CH 3 C 6 H 4 SO 3   - , CH 3 SO 3   -  or CF 3 SO 3   - ). 
     COPYRIGHT: (C)1989,JPO
Patent JP-S5513551-A (JP)
Title: Crystal vibrator
Inventor: HOSHI HIDEO
IPC: H03H9/215
Filed: 1978-07-14
Abstract: PURPOSE:To reduce the cost of a crystal vibrator by connecting electrodes, which are arranged on a vibration arm, so that they may have a prescribed relation. CONSTITUTION:When the length of the vibration arm of a crystal vibrator is l, the effective electric field direction is inverted from a part 0.6l to 0.85l away from the tip of the vibration arm. For example, when electrode 19a which is arranged on the tip side circumference part of one vibration arm 18a, electrode 19b which is arranged at the base side center of vibration arm 18a, electrode 19g which is arranged at the tip side center of the other vibration arm 18b, and electrode 19h which is arranged on the base side circumference part of vibration arm 18a are connected electrically, vibrator 18 is excited by the secondary higher harmonic to obtain a six-time frequency. Consequently, the frequency of an approximately 200K Hz can be obtained and a logical high and low-speed means can be used, so that output signals having a desired period can be obtained even if the frequecy adjustment service of the vibrator itself is not omitted at all, and the cost of the vibrator can be reduced.
Patent JP-S5610557-A (JP)
Title: Polyamide-imide resin composition
Inventor: KUBO YASUSHI
IPC: C08L27/00
Filed: 1979-07-09
Abstract: PURPOSE: A polyamide-imide resin composition, having balanced flow characteristics and mechanical properties, composed of an aromatic polyamide-imide resin and a specified amount of a phenoxy resin.  
     CONSTITUTION: A composition, composed of (A) 5W99.9wt% of an aromatic polyamide-imide resin having a repeating unit of formula I (wherein Ar is a trivalent aromatic residue, including a 6C ring; R is a bivalent aromatic and/or aliphatic residue; R 1  is H, methyl or phenyl) as the main structural unit, (B) 0.1W50wt% of a phenoxy resin, having melt viscosity ≤1×10 5  poise at 350°C, and (C) 0W 70wt% of a filler. The phenoxy resin is a polymer of formula II (wherein Y is bivalent phenol residue; X is a hydroxy group-containing epoxide residue; n≥30), synthesized by the reaction of phenol with a halogenated epoxide in the presence of an alkali. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H09251197-A (JP)
Title: Silver halide color photographic sensitive material
Inventor: SAKURAZAWA MAMORU
IPC: G03C1/40
Filed: 1996-03-15
Abstract: PROBLEM TO BE SOLVED: To diminish a residual color due to a spectral sensitizing dye, to relieve the load of color correction in color printing and to improve color reproducibility by incorporating a specified compd. and one of specified compds. SOLUTION: This sensitive material contains a compd. represented by formula I and one of compds. represented by formulae II, III, etc. In the formula I, each of L<1> and L<2> is -OR<1> or NR<2> R<3> (each of R<1> -R<3> is H or alkyl) and satisfies a specified condition. In the formula II, Ra1 is alkyl, cycloalykl, etc., and Ra1 is H or a group represented by Ra1 . In the formula III, X is a heterocyclic group, Rb1 is alkyl, alkenly or aryl and X and Rb1 may bond to each other to form a 5- or 7-membered ring.
Patent JP-S5312281-A (JP)
Title: Semiconductor control rectifying element
Inventor: UDAGAWA HISAO
IPC: H01L29/74
Filed: 1976-07-21
Abstract: PURPOSE: To increase the lateral resistivity of a Si substrate by providing depressions or insulating and isolating layers between a main gate electrode and an auxiliary electrode and cause self-holding with the auxiliary gate current of 1/5 to 1/20 of the gate trun-on current by the main gate, in a GTO thyristor. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H09259899-A (JP)
Title: Cooling plate of fuel cell
Inventor: GOCHO YOSHITSUGU
IPC: H01M8/02
Filed: 1996-03-15
Abstract: PROBLEM TO BE SOLVED: To prevent the corrosion of a cooling pipe or the electrolytic corrosion of a corner pert by the penetration of an electrolyte by providing a specified structure in the cooling plate for cooling a fuel cell having a prescribed structure. SOLUTION: In a cooling plate 3 for cooling a fuel cell formed of a plurality of laminated unit cells, which is laminated every lamination of a prescribed number of pieces of the unit cells, this cooling plate is formed of upper and lower cooling plate bases 4a, 4b vertically mounted opposite to each other, and a cooling pipe 7 for passing cooling water which is buried between the base materials 4a, 4b. A strip heat resisting and corrosion resisting resin layer 22 is provided on four side surfaces of the cooling plate, and they are simultaneously heated and pressure welded to integrate the whole body.  Preferably, gas impermeable separators (A) 23 are laminated on both anti-fitting sides of the upper and lower cooling bases 4a, 4b, a heat resisting and corrosion resisting resin layer 25 is provided between A:24 and the upper and lower cooling plate bases 4a, 4b, and they are simultaneously heated and pressure welded to integrate the whole body.
Patent JP-S61244887-A (JP)
Title: Pump
Inventor: KITAMURA SHUICHI
IPC: F04C2/14
Filed: 1985-04-22
Abstract: PURPOSE:To ease measurement designing of a pump by connecting by meshing engagement two rotors with vanes and concave parts to be fit by the vanes, and also by linking the discharge hollow body in one of the rotors with the above-mentioned concave parts at a given timing. CONSTITUTION:In a rotor casing 13, two rotors 1, 2 with vanes 5 and parts 4 to be fit in by the vanes are installed so that they mesh with each other. Inside the rotor 1 is a cylindrical discharge hollow body 8 to touch the base of the parts 4 to be fit in by the vanes, and a discharge port 9 is formed in the discharge hollow body 8 in order to introduce into the discharge hollow body 8 fluid pressurized by the parts 4 to be fit in by the vanes and the vane 5 of the other rotor 2. The opening of the discharge port 9 is designed so that it closes when the trailing edge of the vane 5 of the other rotor 2 comes to the point of the intersection t1 of the inner periphery of the rotor casing 13 of each rotor side. The pressurized fluid after the closing of the discharge port is emitted out through a big clearance of the rotor's periphery.
Patent JP-S5611109-A (JP)
Title: Manufacture of composite metallic bar
Inventor: KOUNO IWAO
IPC: B23K20/00
Filed: 1979-07-06
Abstract: PURPOSE: To inexpensively manufacture the titled bar comprising a bar type core metal and a surrounding dissimilar metal with an improved bond between two dissimilar metals, by preparing a pipe from a clad sheet, and by tight inserting into this pipe a core metal of the material similar to the metal clad to the inside of the pipe, and by applying the area reducing work to this composite material.  
     CONSTITUTION: The sheet material 1 of the same material as the metal to be the bar type core material is tightly lapped over the sheet material 2 made of the dissimilar metal, and the circumferential edges of these two sheet materials 1, 2, are welded so as to isolate the intermetallic contact surface from the external atmosphere. Hereupon, this intermetallic contact surface is previously polished and cleaned. This laminated metallic sheet is heated to the forge welding temperature for two metals, or preferably to a little higher temperature, and is subjected to the rolling work in order to metallurgically bond the two metals' contact surface, and the clad sheet is obtained. After cutting this clad sheet, if necessary, the clad sheet is formed into a pipe at the following process so as to place the surface of the sheet material 1 inside; then, the longitudinal edges are welded. The bar type core metal 4 is tightly inserted into this pipe, and both end faces are welded in order to isolate the contact surface between the outer surface of the core metal 4 and the inner surface of the pipe from the external atmosphere. By metallurgically bonding this contact surface as with the above-mentioned case, the product is obtained. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S5210055-A (JP)
Title: Self-oscilaltion circuit of piezoelectric oscillator
Inventor: FUJITA KATSUO
IPC: H04R3/00
Filed: 1975-07-15
Abstract: PURPOSE:To make the self-oscillation circuit of piezoelectric oscillators highly reliable and cheap.
Patent JP-S5211524-A (JP)
Title: Construction which reduces the gear noise in a differential gear unit
Inventor: SUGIYAMA YUKIO
IPC: F16F15/02
Filed: 1975-07-15
Abstract: PURPOSE:To provide construction which reduces the gear noise in a differential gear unit for use in vehicles having a leaf spring-type rear suspension, said construction being effective to reduce the vibration resulting from the forced mesh of the differential gears.
Patent JP-S5512962-A (JP)
Title: Electrophotographic copy
Inventor: HASEBE MITSUO
IPC: G03G15/06
Filed: 1978-07-14
Abstract: PURPOSE: To provide a good quality image in an electrophotography copier, image development is made in two step magnetic brush operation, a first one with a bias voltage larger than a proper value and a second one with the proper bias voltage, thus reducing static leakage at these development.  
     CONSTITUTION: The developing area 6 contains a first and a second magnetic brushes 11, 12, both located close to the photosensitizer drum 1. The first and second magnetic brushes 11, 12 are each fed with bias voltage V 1  and V 2  from the supplies 16, 17 and 16 respectively. The voltage V 1  is made higher than a normally proper development voltage and V 2  is the proper one. Development is performed by intially the first brush operation followed by the second one, whereby the static latent image is prevented from leakage and developed into a high concentration image. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H07295937-A (JP)
Title: Portable information processor
Inventor: TSUBURAYA SHIGETO
IPC: G06F3/038
Filed: 1994-04-25
Abstract: PURPOSE:To easily move a display part to be viewed by a user to a display area by scrolling in the case of handling a wide display area in a portable information processor whose display part is small and to handle a freely moving cursor. CONSTITUTION:This processor is provided with a mouse ball capable of detecting the moving amount and moving direction of the processor and a function for reading the movement information by an arithmetic processing part 100. Also, a display memory 104 for storing the picture memory of the display area wider than an actually displayed area is provided. By specifying an area to be actually displayed in the display memory 104, the area is displayed at a display device in the display part 105. In such a manner, when the moving amount is read by the arithmetic processing part 100 and a processing for updating a display position for the display part only for an amount equivalent to the moving amount, the free scrolling of a screen is realized.
Patent JP-H04224576-A (JP)
Title: (s)-alkyl-3-(thien-2-ylthio)butylic acid salt and analogue and synthesis thereof
Inventor: TOMASU JIEE BURATSUKUROTSUKU
IPC: A61K31/381
Filed: 1991-04-18
Abstract: PURPOSE: To provide a new chiral compound which is useful as an intermediate for synthesizing a specific carbonic anhydrous inhibitor locally effective to the treatment of ocular hypertension and glucoma, without isomeric separation economically in comparison with a conventional method.  
     CONSTITUTION: An (S)-alkyl 3-(thien-2-ylthio)butyrate of formula I [R is H or a 1-3C alkyl; R 1  is a 1-4C alkyl, 1-4C alkoxy-1-4C alkyl], and analog thereof. E.g. Methyl (S)-3-(2-thienylthio)butyrate. The compound is prepared by reacting a compound of formula II (M +  is (C 2 H 5 ) a NH +  or Li + ), with a compound of formula III (R 2  is tosyl-, mesyl-, p-methoxy-, p- or n-chloro or p-nitro- benzenesulfonyl) in formamide or a mixture of formamide and an ether solvent, at about 10-40°C for about 10-55 hours, and optionally deesterifying the product, and the compound is useful as an intermediate of a chiral compound of formula IV which is useful as the above-mentioned medicaments. 
     COPYRIGHT: (C)1992,JPO
Patent JP-S5421595-A (JP)
Title: Manufacture of shin film resistor
Inventor: KIYOUNO MASAO
IPC: H01C17/06
Filed: 1977-07-18
Abstract: PURPOSE:To enhance the accuracy and stability of etching by the procedure in which a mask is formed over Ta thin film resistor, an anodic oxidation is made, a mask larger than the previous mask is formed over the mask, the exposed oxidized film is removed, and then electrodes are formed at the both ends of the resistor.