baber/WOPTO huggingface dataset:
Patent JP-H05234028-A (JP)
Title: Magnetic head
Inventor: SATO TOSHIHIKO
IPC: G11B5/23
Filed: 1992-02-26
Abstract: PURPOSE:To obtain the recording and reproducing characteristics corresponding to high frequencies by forming magnetic metallic films so as to enclose the winding window formed in the joint part of half cores consisting of a nonmagnetic material, thereby forming an annular magnetic circuit. CONSTITUTION:A pair of the half cores 23, 23 consisting of the nonmagnetic material are integrated by forming a magnetic gap G between the magnetic metallic films 24 where the magnetic metallic films 24 formed in the side parts thereof are butted against each other via a gap layer. The one surface of the half core 23 adjacent to the flank of the half core 23 is formed as a medium-facing surface and the winding window 26 is formed in the joint part of the half cores 23. The annular magnetic metallic films 24 enclosing the window 26 are formed around the window and these films 25 are partly exposed to the medium-facing surface, by which the magnetic gap G is formed. Further, the magnetic films 24 are made into the laminated structure of plural magnetic metallic thin films 24b and interlayer insulating layers 24a. The magnetic metallic thin films 24b on the side near the gap G consist of the magnetic metallic thin films having a high saturation magnetic flux density and the other thin films 24c consist of the thin films having the low magnetic flux density and high magnetic permeability.
Patent JP-S59164853-A (JP)
Title: Manufacturing method of solar heat selective absorption film
Inventor: YAMAZAKI HISASHI
IPC: F24J2/48
Filed: 1983-03-10
Abstract: PURPOSE:To provide a solar heat selective absorption film having a high heat collection efficiency and to achieve shortening of manufacturing process and simplification of work by baking a certain chemically formed film onto the surface of a base material and coating a polyester film on it which is oxidized at a high temperature to be followed by drawing vacuum at a temperature higher than a certain temperature. CONSTITUTION:A chemically formed film containing Mg and Cr is formed on the surface of a base material having iron as a primary constituent, and after a coating of polyester is applied on it, high temperature oxidization treatment is done in a vacuum glass tube at 400-600 deg.C, followed by drawing vacuum at more than 250 deg.C. The chemically formed film which is used can be obtained by applying a coating treatment liquid consisting of 5-30wt% of Mg hydroxide and 10-40wt% of at least one kind of Cr anhydride, chromate and dichromate. In this manner, a selective absorption film having a high heat collecting efficiency can be obtained, and shortening of manufacturing process of a vacuum glass tube type sloar heat collector and simplification of its work can be achieved.
Patent JP-H09237551-A (JP)
Title: Operation commander
Inventor: NAKAMURA TAKAYUKI
IPC: H01H25/00
Filed: 1996-02-27
Abstract: PROBLEM TO BE SOLVED: To improve operability by providing a direction detecting means, and automatically setting the rotation operation direction invariably to the prescribed direction in response to the direction of a commander in the operation commander of an on-vehicle audio deck or the like. SOLUTION: In an operation commander fitted with the cylindrical rotation operation section 20 for automatic music selection 18 and volume adjustment 20 on the same shaft of an operation base 10, a switching mechanism 25 is provided in the base 10. When the operation commander is inclined, a metal ball 27 is slid along a guide groove 26 into contact with terminals 28, 29 to excite them, and an electric signal is generated and inputted to a microcomputer 30. The microcomputer 30 switches the rotating directions of the rotation operation sections 18, 20 to operate them in the opposite direction to the initial state. When the operation commander is fitted at an optional position, the direction is automatically detected, and an operator can normally take an operating action without mistaking the rotating direction.  No manual slide switch is separately required, and the operation commander can be miniaturized and simplified.
Patent JP-H0679196-A (JP)
Title: Electric dust collector
Inventor: BOKU OURETSU
IPC: B03C3/38
Filed: 1993-03-01
Abstract: PURPOSE: To provide an electrical dust collector which improves the dust collection efficiency by effecting a uniform discharge between a dust collection plate and a discharge plate and is easy to assemble. CONSTITUTION: This electrical dust collector consists of an electrification plate 10 which is bent and formed with the dust collection electrodes 11 on one side of pores 10a formed in a multiplicity and a discharge plate 20 which is disposed on the opposite side of the electrification plate and has the discharge electrodes 21 bent and formed on the side opposite to the dust collection electrodes.
Patent JP-H04279284-A (JP)
Title: Plasma jet torch and plasma jet rocking method
Inventor: HAYASHI JUNICHI
IPC: H05H1/40
Filed: 1991-03-06
Abstract: PURPOSE:To make the swing angle of plasma arc current large, to make the electric coil small, to make the power consumption little and to make the swing caused on the motion of plasma arc current little. CONSTITUTION:While closing the plasma stream path advancing from the plasma nozzle 6n to the plasma ejecting opening 11n by interposing the insulating tubular body 13 between the inner nozzle member 6 and the outer electrode member 11n, the electric coil 10a-10d are set at the outer side of the insulating body 13. The magnetic flux which crosses the insulating tubular body 13 is generated. Feasibly, two paires of electric polarities are opposed to the insulating tubular body 13 and charged to the four pieces of the electric coil with the sine wave AC by slipping the phase of every 90 degree, the plasma arc current is made to the circle motion with the same velocity.
Patent JP-H09207840-A (JP)
Title: Projection drive type rubber crawler
Inventor: NAKADA TOSHIMICHI
IPC: B62D55/253
Filed: 1996-02-03
Abstract: PROBLEM TO BE SOLVED: To prevent the occurrence of running off of a projection drive type rubber crawler by providing an endless rubber elastic body, a base part which is continuous in the longitudinal direction of the endless rubber elastic body on its inner peripheral face, a projection provided at a certain pitch on the base part, and a groove section formed toward the direction of width of the endless rubbery elastic body in the base part between the projections. SOLUTION: A projection drive type rubber crawler has a rubbery elastic body 2 which becomes a basic body of a rubber crawler 1, and a base part 3 is formed continuously in the longitudinal direction at the center of its inner circumferential face. A projection 4 is formed at a certain pitch on the base part 3. A groove part 6 is formed in a basic bottom part of the projection 4 on the base part 3. When running off of a wheel of a rolling wheel and the rubber crawler 1 occurs, a wheel running off prevention function is provided even in a section where there is no projection 4 in particular because not only engagement of the rubber crawler 1 with the projection is done but also its engagement with continuous base parts 3 is done.
Patent JP-H04213908-A (JP)
Title: Electronic circuit
Inventor: YOHAN HENDORITSUKU FUEISHINKU
IPC: H03F3/45
Filed: 1991-02-13
Abstract: PURPOSE: To transfer the current of a first control current source to a load in an amplified state without inserting an amplification means by connecting a current follower input end and a first current follower output end to a second control terminal and connecting a second output end to a first connection terminal. CONSTITUTION: A load L and a first control current source 3 which are connected in series, a current follower 7, and a second control current source 6 which generates a current (i) approximately equal to a current (i) of the first control current source 3 and is connected to an input end 8 of the current follower 7 and a first output end 9 are provided. A second output end of the current follower 7 is connected to a connection point 4 between the load L and the first control current source 4 to compensate a load current iL.
Patent JP-S60184005-A (JP)
Title: Cosmetic for preventing aging of skin
Inventor: OGAWA TADATAKE
IPC: A61K8/44
Filed: 1984-03-02
Abstract: PURPOSE:To provide the titled cosmetic for preventing the aging of the skin, exhibiting its effect in a short time, and having long-acting effect, by compounding a skin cosmetic base with a gamma-aminobutyric acid compound in combination with vitamin E orotate. CONSTITUTION:The objective cosmetic for preventing the aging of the skin can be prepared by compounding (A) a skin cosmetic base with (B) preferably 0.01- 25wt%, especially 0.05-1.0wt% one or more gamma-aminobutyric acid compound of formula (R1 and R2 are H or methyl; R is H, alkyl or alkenyl) (e.g. gamma-aminobutyric acid, N-methyl-gamma-aminobutyric acid, N-dimethyl-gamma-aminobutyric acid, their esters, etc.) and (C) preferably 0.01-25wt% vitamin E orotate. The cosmetic is absorbed safely in the skin, promotes the function of the skin by the peripheral vasodilating activity, prevents the wrinkles of the skin, and gives smoothness and moistness to the skin.
Patent JP-S51115730-A (JP)
Title: Single-tube color camera unit
Inventor: TSUJI MITSUJI
IPC: H04N9/07
Filed: 1975-04-02
Abstract: PURPOSE: To obtain color signals with little coross-talk using a resolution filter easily constructed. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-H07246339-A (JP)
Title: Low-temperature oxidation catalyst
Inventor: HIZUKA JUNJI
IPC: C01B32/50
Filed: 1994-03-11
Abstract: PURPOSE:To obtain a low-temp. oxidation catalyst using oxides of base metals, capable of selectively oxidizing CO at a low temp., e.g. at <=100 deg.C and having durability. CONSTITUTION:Fluororesin is added by 5-50wt.% to a metal oxide mixture essentially consisting of manganese dioxide and cupric oxide and they are heated at 300-400 deg.C to obtain the objective low-temp. oxidation catalyst. The metal oxide mixture may be prepd. by blending manganese dioxide and cupric oxide with 5-15wt.% silver oxide or nickel oxide. When such catalytic components are carried on a carrier having a large surface area such as active carbon, the resultant catalyst can be allowed to more effectively exhibit its catalytic function.
Patent JP-H05240513-A (JP)
Title: Heat pump device
Inventor: TANIGUCHI BUNICHI
IPC: F25B9/14
Filed: 1992-02-27
Abstract: PURPOSE:To improve a performance of a heat pump device such as a vuilleumier and the like by a method wherein a heat exchanging efficiency a heater to be heated by a burner is increased and an efficiency of a regenerator around a cylinder is increased. CONSTITUTION:A heater is constructed to have heat transfer pipes 27, 27... arranged above a cylinder 2H and having working gas flown therein and many plate-like fins 28, 28... substantially concentrical fixed with the cylinder 2H while being spaced apart at the heat transfer pipes 27, 27... in a vertical direction and having the openings 28a of the same shape at each of the centers of them. A size of the opening 28a of the fin 28 is gradually increased from an upper fin 28 to a lower fin 28 so as to cause the combustion gas to be regulated to flow uniformly between the fins 28, 28 with the action of the fins 28.
Patent JP-H05242751-A (JP)
Title: Varnish application device for bushing sand surface
Inventor: AMAGI TAKASHI
IPC: H01B19/04
Filed: 1992-02-27
Abstract: PURPOSE:To apply a varnish at a specific position on the sand surface of a bushing simply, accurately, and in a specific width, by installing an arm to a main body which has a positioning roller and a varnish applying roller, and providing an auxiliary roller to the arm. CONSTITUTION:A butterfly nut 14 a is loosened to set the interval between a varnish applying roller 15 and a positioning roller 13. Then a lever 19 is grasped and an arm 18 is fluctuated downward making a shaft 17 as the center, and an elevating shaft 20 or the like is slided downward against a spring 25, so as to extend the interval between the roller 15 and an auxiliary roller 24. A main body 10 is inserted into the end face of a bushing 1 in such a condition, so as to contact the roller 13 to the end face of the bushing 1. By loosening the lever 19, the roller 24 is raised by the force of the spring 25, the roller 15 is contacted to the sand surface of the bushing 1, and the roller 24 comes to contact to the rear side of the bushing 1. As a result, when a handle 12 is grasped and the main body 10 is moved along the end face of the bushing 1, a varnish fed through a hose 16 is spread from the roller 15, and the varnish can be applied in a specific width simply and accurately.
Patent JP-H02218658-A (JP)
Title: Production of alkylbenzenesulfonate
Inventor: ISHIKAWA TAKESHI
IPC: C07C309/31
Filed: 1989-02-21
Abstract: PURPOSE:To obtain the subject compound useful for producing high-density granular detergents with saved energy required for drying by continuously subjecting an alkylbenzenesulfonic acid and alkali to mixing reaction by a high shearing method and providing a pasty aqueous solution in a specific concentration. CONSTITUTION:An alkylbenzenesulfonic acid (hereinafter abbreviated to acid) is continuously subjected to mixing reaction using an alkali by a high shearing method and neutralized to afford an alkylbenzenesulfonate as a pasty aqueous solution in 75-85wt.% concentration thereof. The above-mentioned acid is obtained by sulfating an alkylbenzene having 10-16 average number of carbon atoms. NaOH, KOH, etc., are used as the alkali employed for the neutralization. A high shearing type kneader, e.g. a continuous kneader (KRC Kneader(R)), manufactured by Kurimoto Ltd., equipped with a cooling jacket is used for the neutralizing reaction. A method for directly drying the pasty slurry can be adopted by the afore-mentioned method without requiring spray-drying and energy and dryer can be remarkably saved.
Patent JP-S58158988-A (JP)
Title: Distributed feedback type semiconductor laser
Inventor: MATSUOKA TAKASHI
IPC: H01S5/12
Filed: 1982-03-16
Abstract: PURPOSE:To enhance the distributed feedback efficiency of a semiconductor laser by forming a light confining layer having a periodic rugged structure along the light producing direction on the surface opposed to an active layer, forming a current blocking layer on the bottom of the recess, concentrating the injected current in the raised part, and decreasing the refractive index of the part, thereby increasing the refractive index of this part. CONSTITUTION:A non-doped GaInAsP active layer 2, an N type GaInAsP light guide layer 3, a non-doped InP current blocking layer 4 are laminated and epitaxially grown on a P type InP substrate 1. Then, with a photoresist film as a mask the layers 3, 4 are etched to form a diffraction grating 5, and an N type InP light enclosure layer 6 is grown on the grating. Subsequently, this laminated is enclosed with a laminate made of an N tye InP layer 7 intruded into the substrate 1 and a P type InP layer 8 disposed on the layer 7, an N type ohmic electrode 12 is covered on the layer 6, and a P type ohmic electrode 11 is covered on the back surface of the substrate 1.
Patent JP-S53127356-A (JP)
Title: Rolling mill
Inventor: HATA SHIYUUICHI
IPC: B21B13/02
Filed: 1977-04-13
Abstract: PURPOSE:A six-stage rolling mill, whose gap can be easily set, and whose rolls can be rearranged in a short time, by arranging a rod, for causing the rolls not to mutually contact  when the rolls of the rolling mill are rearranged, in the hournal boxes of the upper and lower work rolls.
Patent JP-H0617590-A (JP)
Title: Excavating method for tunnel
Inventor: TOMIZAWA NAOKI
IPC: E21D9/00
Filed: 1991-01-14
Abstract: PURPOSE:To make excavation of a tunnel easy by a method wherein continuous curved column row walls are formed in an arch shape running along the outer circumference of the tunnel from a top heading excavated beforehand. CONSTITUTION:Arch-shaped bores are excavated from a top heading 1 constructed on the top of a tunnel to be excavated along the outer circumference of the tunnel with a boring machine equipped with bendable drive shafts 21 made up by connecting with bending joints 22. Then, concrete is cast into the bores, and such excavation and casting of concrete are made successively and thereby curved continuous column row walls are constructed. After the walls on both the right and the left sides are connected at the center, the inside of an arch-shaped continuous column row wall is excavated.
Patent JP-S61200023-A (JP)
Title: Car molding made of synthetic resin
Inventor: KATO KATSUHISA
IPC: B60R13/04
Filed: 1985-03-02
Abstract: PURPOSE:To prevent the separating phenomenon of a polyester film by forming layers of deposited metal on both upper and lower surfaces of said polyester film, and further depositing an ethylene copolymer resin on the both upper and lower surfaces of said deposited metal layers. CONSTITUTION:A molding body 11 has a main leg 11a and fin type supporting legs 11b. On the upper part of the body 11, deposited metal layers 13a, 13b of a bright material such as aluminum, etc. are formed, being bonded to a polyester film 12 positioned in the center, while interposing it from both upper and lower surfaces. And, an ethylene copolymer resin 14a, 14b is deposited further on both of the upper and lower surfaces of the metal layers 13a, 13b. The molding body 11 of an olefin group synthetic resin is formed in such a way that it covers the copolymer resin 14a, 14b. However, it is necessary to use a transparent synthetic resin 11c at least on the top surface of the copolymer resin 14b.
Patent JP-S60186030-A (JP)
Title: Bonding method
Inventor: SEGAWA MIKIO
IPC: H01L21/60
Filed: 1984-03-05
Abstract: PURPOSE:To enhance the reliability of a bonding portion by double protecting the upper surface of a bonding pad with a pad oxide layer and the protective layer heretofore used. CONSTITUTION:An insulating layer 2 is coated on the upper surface of the substrate 1, and a pad 3 for externally connecting aluminum is formed in the pattern thereon. Then, an insulating layer 4 of refractory silicone resin having excellent properties for flattening the projection of the pad 3 is coated entirely, and a protective layer 5 of SiO2 is coated on the entire surface. Then, the layer 5 of the bonding portion and the layer 4 on the upper surface of the pad 3 are removed, a window 9 is opened, oxygen plasma is emitted to the upper surface of the pad 3 exposed in the window 9 to form an oxide (AlOx) layer 9. Then, when the one end of the fine aluminum wire 6 and the pad 3 are supersonic bonding, the oxide layer 8 of the bonding portion of the pad 3 and the wire 6 is broken by the supersonic energy, and one end of the wire 6 is pressed to the aluminum layer of the pad 3. Then, when a JCR layer 7 is formed by bonding, the surface of the pad 3 which is not pressed to the wire 6 is double protected by the layer 8, 7.
Patent JP-S57156291-A (JP)
Title: Ribbon cartridge
Inventor: WATANABE JIYUNJI
IPC: B41J32/02
Filed: 1981-03-24
Abstract: PURPOSE:To enable smooth and orderly housing of an endless ink ribbon by forming the inlet part of a feed roller so that the height thereof is smaller than that of a housing part in a ribbon cartridge housing the ink ribbon. CONSTITUTION:In a ribbon cartridge wherein an endless ink ribbon 3 is held between a feed roller 5 and a presser roller 6 arranged in a pair and is sent into a housing part 4, the inlet part of the feed roller 5 is formed so that the height H1 thereof is smaller than the height H2 of the housing part 4. By this constitution, even when the feed roller 5 is inclined, the inclination of the feed roller 5 is curbed, since the value of the height H1 of the inlet part is set smaller than that of the height H2 of the housing part 4. In addition, since a gap 8 exists between the upper and lower surfaces of the housing part 4, the ink ribbon 3 is folded in an orderly manner and housed wihtout being pressed by the upper or lower surface of the part 4.
Patent JP-S60187717-A (JP)
Title: Rotary engine
Inventor: TATSUZAKI SEIKI
IPC: F02B53/00
Filed: 1984-03-05
Abstract: PURPOSE:To make smooth the rotation of a rotor, by forming the inner peripheral surface of an outer casing into a deformed circle such as an oval, and by making round the outer peripheral surface of the rotor rotating therein. CONSTITUTION:A rotor 3 rotates smoothly, since a design is made as such that the rotor 3 shaped in roundness rotates in the container chamber 2 of an outer casing 1 which is formed into a deformed circle. Moreover, the airtightness of airtight chambers 4 and 5 formed between the container chamber 2 and the rotor 3 is ensured, since close contact fittings 18a, 18b, 18c and 18d being in constant contact with the inner peripheral surface of the container chamber 2 of the outer casing 1 are provided on the outside of the rotor 3, and therefore suction, compression, explosion and exhaust are conducted smoothly and without fail. While the structure shown in the figure is so designed that suction, compression, explosion and exhaust are conducted twice during one rotation of the rotor, it may also be designed so that the suction, compression, explosion and exhaust are conducted once or three times or more during one rotation of the rotor.
Patent JP-S61201172-A (JP)
Title: Memory reading control method
Inventor: KIKUCHI SHUJI
IPC: G01R31/28
Filed: 1985-03-05
Abstract: PURPOSE:To read a lengthy data in an optional sequence with high speed when reading sequential data from a consecutive addresses by reading data from a large capacity memory operating with interleaving and reading from a high speed small capacity memory until the data can be read from the firstly stated memory in case of branching. CONSTITUTION:Low speed large capacity memories 11 to 14 are operated in a N way interleave operation by an interleave controller 20 and a slelctor 61 while the data after the branching are stored in the high speed small capacity memory 50. The required data are read from the memory 50 in case branching occurs, so a high speed large capacity pattern buffer is obtd. In case branching has occurred and data are read from the memory 50, since the data are consecutively read from the memory 50 until the data can be read from the memories 11 to 14, dummy cycles are not produced even if random accessing is executed and the buffer capacity is not lowered to 1/N.
Patent JP-H04278921-A (JP)
Title: Liquid crystal display device
Inventor: TAKADA KENSAKU
IPC: G02B6/00
Filed: 1991-03-07
Abstract: PURPOSE:To illuminate the display picture element parts of a liquid crystal display element by efficiently utilizing the light from a light source and to prevent the rise of the temp. of the liquid crystal display element caused by absorption of the light from the light source. CONSTITUTION:Light scattering parts 23 are formed in approximately the same pattern as the patterns of the display picture element parts 10 of the liquid crystal display element 1 on a transparent plate 21 of the back light 2 of the liquid crystal display device A having the back light 2. These light scattering parts 23 and the display picture element parts 10 of the liquid crystal display element are so laminated that the light scattering parts and the display picture element parts 10 of the liquid crystal display element 1 coincide with each other. Only the parts of the display picture elements 10 of the liquid crystal display element 1 are illuminated by scattering the light of the light source 23 to the outside of the transparent plate 21 from the above-mentioned light scattering parts 23.