baber/WOPTO huggingface dataset:
Patent JP-H01115772-A (JP)
Title: Four-wheel steering device
Inventor: HIRAYAMA HIROSHI
IPC: B62D7/14
Filed: 1987-10-30
Abstract: PURPOSE:To improve maneuverability, by a method wherein two mode switching valves are provided, front and rear wheels can be switched by means of an isophase mode and a reverse phase mode, and according to a steering angle, automatic switching from an isophase to a reverse phase or from a reverse phase to an iso-phase can take place. CONSTITUTION:A worm shaft is rotated through the working of a cylinder for front wheels by means of working oil flowing through a rotary valve 22 actuated in linkage with control of rotation of a handle 25 and steers front wheels. In this device, a control valve 56 for rear wheels is linked to the worm shaft, and the valve 56 is connected to the one pressure chamber of a servo cylinder C. A first mode switching valve 33 having a port to which the rotary valve 22 and a cylinder 87 for rear wheels are connected and a second mode switching valve 76 having a port connected to the other pressure chamber of the servo cylinder C and the control valve 56 for rear wheels are provided. Further, a correction valve 101 is provided for correcting the errors of front and rear wheels according to a deviation between output signals from steering angle sensors 96 and 97 for front wheels and a steering angle sensor 99 for rear wheels.
Patent JP-H1094431-A (JP)
Title: Auxiliary top plate device for desk or the like
Inventor: KOSAKA YUKIYOSHI
IPC: A47B5/04
Filed: 1996-09-25
Abstract: PROBLEM TO BE SOLVED: To provide a device allowing the use of an auxiliary top plate at such height and level as flush with a main top plate when necessary in spite of having a simple structure, capable of not only preventing the back-and-forth motion of the auxiliary top plate, but also allowing the use of drawer internal space when the auxiliary top plate is at such height and level as flush with the main top plate, further allowing an inexpensive fabrication and ensuring a good convenience for use, regarding an auxiliary top plate device capable of expanding the top plate area of a desk or the like at need. SOLUTION: The auxiliary top plate device for desk or the like has a fixed frame 5 attached to the lower surface of the main top plate of a desk or the like, a movable frame slidably laid on the fixed frame 5, and an auxiliary top plate 4 positioned above the movable frame. Also, the device is formed out of an elevator mechanism having the capability of freely moving the auxiliary top plate 4 between a level under the main top plate and a level flush with the main op plate, and a stopper member 8 displaceable from a state for prohibiting the slide of the movable frame and a state for allowing the movable frame to slide along a back-and-forth direction, interlocked with the ascent or descent of the auxiliary top plate.
Patent JP-H05117245-A (JP)
Title: New 2,5-dioxopiperazine compound and its production
Inventor: TAKEMOTO TADASHI
IPC: C07D241/08
Filed: 1991-10-23
Abstract: PURPOSE:To obtain a new 3-benzylidene-6-alkoxycarbonylmethyl-2,5- dioxopiperazine useful as a synthetic intermediate for alpha-L-aspartyl-L- phenylalanine methyl ester which is a low-calorie sweetener of good quality. CONSTITUTION:A 3-benzylidene-6-alkoxycarbonylmethyl-2,5-dioxopiperazine expressed by formula I (R is alkyl), e.g. N,N'-diacetyl-6- methoxycarbonylmethyl-2-dioxopiperazine. The compound expressed by formula I is obtained by reacting a 6-alkoxycarbonylmethyl-2, 5-dioxopiperazine expressed by formula II with acetic anhydride, providing a compound expressed by formula III, then reacting the resultant compound with benzaldehyde, affording a compound expressed by formula IV, subsequently treating the prepared compound with hydrazine, further catalytically reducing the obtained compound or reacting the compound expressed by formula II with the acetic anhydride, providing the compound expressed by formula III, then catalytically reducing the resultant compound and further treating the obtained compound expressed by formula V with the hydrazine.
Patent JP-S61157014-A (JP)
Title: Output voltage variable system of amplifier
Inventor: OOHINO NORIYOSHI
IPC: H03G3/10
Filed: 1984-12-28
Abstract: PURPOSE:To change continuously an output voltage of an amplifier by providing a feeding circuit changing operating feeding amount to an amplifier by a control electric quantity and a control electric quantity generating circuit connected to its control electric quantity input. CONSTITUTION:The titled system consists of a voltage variable circuit 10, the feeding circuit 11 comprising transistors (TRs) Q0, Q1 of a connection such as Darlington connection, and a control voltage generating circuit 12 applying a control voltage (control electric quantity) changing the feeding current to an amplifying TR2 and connected to a base of the TRQ0. Then the circuit 12 consists of a resistor 15 and a variable resistor 16 connected between a power supply terminal 13 and a reference potential such as a common potential, and a noise bypass capacitor 17 connected to an output terminal 16A of the variable resistor 16, and a DC voltage appearing at the output terminal 16 is fed to the base of the TRQ0 as the control voltage. A circuit changing the operating feeding amount to the amplification TR2 as above is inserted between a power supply supplying a prescribed voltage and the TR2. Thus, the operator wearing a breast receiver at a telephone attendant board or the like is relived from feeling of displeasure due to noise to improve the job efficiency.
Patent JP-H0591863-A (JP)
Title: Drinking of beverage water
Inventor: NAKAZAWA SHINZO
IPC: A23L2/00
Filed: 1991-09-30
Abstract: PURPOSE:To enable to readily, always and anywhere drink a refreshing beverage water with a cooling touch, by charging a drinking beverage and a propellant in a pressure-resistant container and subsequently directly jetting the content into a mouth CONSTITUTION:A fruit juice beverage and a propellant such as carbon dioxide or oxygen gas are charged in a pressure-resistant container such as an aluminum monoblock can, and subsequently, the objective beverage is drunk by directly jetting the beverage and the propellant into a mouth by an aerosol style.
Patent JP-H08132271-A (JP)
Title: Plate machine tool
Inventor: ONODERA HIROSHI
IPC: B23P23/04
Filed: 1994-11-10
Abstract: PURPOSE: To provide a plate machine tool without breaking tools in a drill- tapping time, etc., and without causing a machining defect in a laser beam machining time. CONSTITUTION: A work W is mounted and fixed on a pallet 7 and they are moved and fixed onto a machining table 5. The machining table 5 is moved and positioned, a machining head 33 is positioned along a portal frame and it is machined with the machining head 33. On the other hand, because on the pallet 7, many numbers of unit skids extending to the cross direction of the machining table 5 and being supported with a constant upward force are arranged in the moving direction, when a force more than the constant force is applied, one unit skid is sunk. A skid clamper (skid avoiding device) 107 of the machining position presses down only the unit skid 57 at the machining position.  In the case of using a laser beam and drill-tapping combined machine 1, because a brush 125 having the length of the total width of the machining table 5 is installed near the machining position, chips generated on the work W caused by machining can be removed.
Patent JP-H04152593-A (JP)
Title: Metal core circuit board
Inventor: OKANO TERUO
IPC: H05K1/18
Filed: 1990-10-16
Abstract: PURPOSE:To reduce a shearing stress to be applied to a conductive joint and to increase its life by forming at least one of a plurality of lands of a floating land provided with a free end responsive to elongation and contraction between the lands at a base end secured to an insulating layer, and securing a surface mounting component on the free end through a conductive joint. CONSTITUTION:A land 13a of a pair of lands 13, 13a is a floating land provided with a free end 22 responsive to elongation and contraction between the lands with respect to a base end 21 adhesively secured to an insulating layer 12, and an elastic material 23 made of heat resistant rubber, silicone rubber, etc., is previously adhered to the lower surface of the end 22. Conductive parts 16 at the opposite ends of a surface mounting component 15 are secured onto the end 22 of the land 13a and the land 13 by conductive joint 14 formed by reflow soldering. When the core board is exposed with an operating temperature or an environmental temperature to be raised or lowered, a shearing stress functions at the joint 14, but the stress is absorbed by the end 22 of the land 13a, and the material 23 is also elastically deformed to be absorbed.
Patent JP-H0995416-A (JP)
Title: Skin cosmetic
Inventor: AKIYAMA MAKIKO
IPC: A61K8/00
Filed: 1995-09-29
Abstract: PROBLEM TO BE SOLVED: To obtain a skin cosmetic capable of preventing the dark skin, having effect of rapidly fading the dark skin, besides, manifesting excellent skin chapping-preventive effect and skin beautifying effect, and excellent in use feeling. SOLUTION: This skin cosmetic contains a water-soluble L-ascorbic acid derivative and an N-(2-alkyl-2-hydroxyethyl)-N-methylaminoethylphosphate (where, the alkyl group is capryl, lauryl, myristyl, palmityl, stearyl or oleyl, the counter ion being sodium, ammonium or triethanolammonium).
Patent JP-2001102316-A (JP)
Title: Method and device for crystal growth and iii group nitride crystal and semiconductor device
Inventor: SARAYAMA SHOJI
IPC: H01S5/323
Filed: 1999-09-29
Abstract: PROBLEM TO BE SOLVED: To provide III group nitride crystals in a practical size for manufacturing a light-emitting diode or LD with high performance and a semiconductor device, and to provide a crystal growth method and a crystal growth device, capable of growth of the III group nitride crystals. SOLUTION: In Na and Ga mixed melting liquid 107 and on an Na and Ga mixed melting liquid surface 108, nitrogen gas or nitrogen components in the melting liquid supplied from the nitrogen gas and Ga are allowed to react so that continuous GaN crystals can grow, and that the crystal size can be made large.
Patent JP-H02123024-A (JP)
Title: Transfer feed supplier device for powder or the like
Inventor: YOSHINARI AKIRA
IPC: B65G53/48
Filed: 1988-11-01
Abstract: PURPOSE:To reduce a loss of energy as small as possible by constituting a device by drop charging powder or the like from a material silo to be fed transferring by a screw feed transfer unit approaching a transport pipe and transporting in this pipe the powder by pressure air. CONSTITUTION:A motor 24 rotates a screw transfer feed unit 15 while drives an air blower 26, when a damper 34 is opened of a material silo 30, its internal powder or the like drops from a dropping port 31 through a charge port 14 into a cylinder 11 charged in its side with the powder. As the result, this powder or the like is fed transferring by a screw blade 18 and supplied to a side of feed port 13. While pressure air, supplied from the air blower 26 to a base end of a pipe shaft 16, is jetted passing through its inside to the feed port 13 from a nozzle 17. In case of the powder or the like being transported passing through this transport pipe 32, the pressure of jetted air acts on all the powder or the like fed efficiently to the pipe 32 because the cylinder 11 is narrowed, formed in its point end side into a tapered shape and placed in a condition enabling the powder or the like to be always collected in a tapered chamber.
Patent JP-H01116216-A (JP)
Title: Manufacture of heat generating vortex chamber for internal combustion engine
Inventor: FUKUSHIMA TATSUTO
IPC: C04B35/64
Filed: 1987-10-29
Abstract: PURPOSE:To weaken restriction on lead wire portion and prevent generation of crack surely by giving annealing heat treatment to lead wire portions connected to a heater coil and at the same time buried into ceramic material and thereafter sintering them together. CONSTITUTION:A vortex chamber 5 of a heat generating vortex chamber 1 is formed of ceramic material, in which is buried a heater coil 14. Lead wire portions 14b, 14c connected to the heater coil 14a and at the same time buried in the ceramic material are given annealing heat treatment. Next, the ceramic material is sintered in buried condition of the heater coil 14a and the lead wire portions 14b, 14c given annealing heat treatment into the ceramic material. Thus, it can be done to weaken restriction on the lead wire portions and to prevent generation of crack surely.
Patent JP-H07125354-A (JP)
Title: Sheet feeding device of thermal line printer
Inventor: ORIMOTO MASAAKI
IPC: B41J13/02
Filed: 1993-11-05
Abstract: PURPOSE:To enable thermal recording up to the tip part of a sheet feeding direction of recording paper, by a method wherein a pair of pinch rollers are arranged by facing on a pair of capstan rollers arranged on both sides of a platen roller and the recording paper is carried by nipping the recording paper between those. CONSTITUTION:When the first color heat-sensitive recording paper 16 is extruded into a sheet feeding passage 25 by a sheet feeding roller 27, a pair of rollers 5, 6 positioning on both sides of a platen roller 2 begin rotation in the counterclockwise direction simultaneously with that of the sheet feeding roller 27, and pinch rollers 7, 8 in contact with the roller are driven in the counterclockwise direction. Then when the tip part 16a of color heat-sensitive recording paper 16 which ernters a sheet feeding passage 25 is nipped by the pinch rollers 7, 8 and capstan rollers 5, 6, thermal recording by a thermal head 3 is begun. At this starting point of time, since the thermal head 3 is positioned on the center line between both the rollers 5, 6 and 7, 8, a recording begining position of the recording paper 16 becomes the tip and a space becomes considerably small.
Patent JP-2001101047-A (JP)
Title: Device and method for managing data and storage medium
Inventor: TAKAKUWA ISAMU
IPC: G06F17/30
Filed: 1999-09-29
Abstract: PROBLEM TO BE SOLVED: To provide a device and method for managing data for quickly and efficiently operating retrieval processing even when the number of data is turned large and a recording medium. SOLUTION: This data managing device is provided with a data recording device 1 for storing data themselves, an index file recording device 2 for storing an index file in which the index information of data is gathered, an index sub-file managing device 3 for operating control for distributing the index file to index sub-files, an index sub-file storing device 4 for storing each index sub-file, and an index sub-file management data recording device 5 for storing the management data of each index sub-file. When the data amounts of the index file in which the index information of data is recorded are turned large, the index file is distributed into the plural index sub-files, and at the data retrieval, each index sub-file is retrieved so that a time required for the retrieval processing of the data can be shortened.
Patent JP-S62137169-A (JP)
Title: Casting method for lead alloy
Inventor: YOSHIMURA TAKAYUKI
IPC: B22C3/00
Filed: 1985-12-09
Abstract: PURPOSE:To improve the fluidity of a molten metal and to increase the number of production cycles by setting the substantial thickness of a casting mold to a specific range in a method for casting a lead alloy by using the casting mold essentially formed of polytetrafluoroethylene. CONSTITUTION:The lead alloy is cast by using the casting mold formed by setting the substantial thickness of the casting mold essentially consisting of the polytetrafluoroethylene to a 2-4.5mm range. This method does not decrease the production speed, improves the fluidity of the molten metal and considerably decreases the frequencies for renewing the casting mold as compared to the conventional casting method. The working rate is thus increased and the productivity is improved by continuously operating the casting machine.
Patent JP-H01121107-A (JP)
Title: Curved surface machining device
Inventor: NAKASUJI TOMOAKI
IPC: B23B5/36
Filed: 1987-11-04
Abstract: PURPOSE:To enable the machining device to perform machining operations regardless of the length of the focal distance of a paraboloidal shape by installing an inching rotary table rotating at a specified angle of rotation to a Y axis control table, and providing a sample holder fixing its one end on the inching rotary table and holding a work on the other end. CONSTITUTION:An inching rotary table rotating around its central axis at a specified angle is installed on a Y axis control table 6b of a two-axes control table 6, and one end of a sample holder 8 is fixed on the table 7 and the other end of it holds a work 2. A spindle 1 to which a cutting tool is attached is arranged near the two-axes control table so that the rotary shaft is at right angles to X direction of a X axis control table 6a and Y direction of the Y axis control table 6b, thus a paraboloidal shape is formed by the rotation of the table 7. Thus, the focal distance of the paraboloidal shape formed on the work 2 can be set in accordance with the distance from the center of rotation of the table 7 to the position of the work 2 simply by changing the length of the end side of the sample holder 8 holding the work 2.
Patent JP-H07110455-A (JP)
Title: Head mounted display
Inventor: YAHIRO KAZUO
IPC: G02F1/13
Filed: 1993-10-12
Abstract: PURPOSE:To provide a head mounted display whose constitution is simplified so that it is enough that one liquid crystal display device is provided. CONSTITUTION:The head mounted display provided with a incorporated display device 1 and eyepieces 3 and 7 forming a picture displayed on the display device 1 on left and right eyes is constituted so that it is enough that one display device is provided. Besides, a half mirror 2 reflecting one part of the picture displayed on the display device 1 and transmitting the residual part thereof and an optical path correction lens 5 arranged at least either the optical path by which the reflected picture arrives at one eye 4 or the optical path by which the transmitted picture arrives at the other eye 8 are provided. Then, the optical path is corrected by the lens 5 so that the picture displayed on the display device 1 is projected on the left and the right eyes by identical size. Thus, it is enough that one display device is provided and the cost of the head mounted display is drastically reduced.
Patent JP-H06128551-A (JP)
Title: Reactive hot-melt adhesive
Inventor: FUKUDA KATSUYOSHI
IPC: C09J175/00
Filed: 1992-10-15
Abstract: PURPOSE:To provide an adhesive which has a long open time and such a high initial cohesive force as to permit bonding within a short contact time. CONSTITUTION:The adhesive essentially consists of 5-40 pts.wt. crystalline urethane prepolymer, 30-85 pts.wt. noncrystalline amorphous urethane prepolymer, and 10-30 pts.wt. (the total being 100 pts.wt.) thermoplastic polymer.
Patent JP-H08302482-A (JP)
Title: Stainless steel sheet having colored and stereoscopic surface and its production
Inventor: KIM JAE HYUN
IPC: C25D11/34
Filed: 1995-10-25
Abstract: PROBLEM TO BE SOLVED: To prepare a stainless steel plate with designs on the surface having an illusionary effect and a good stereoscopic effect by forming inco colored portion on the surface of a mirror stainless steel plate, stripping the remaining portion other then the inco colored portion and engraving a hair line on the unmasked portion.  
     SOLUTION: The stainless steel plate having a colored and solid surface is obtained by forming an inco colored surface 9 on the surface of a mirror stainless steel plate 16, stripping the overall surface except the inco colored surface 9 to form a stripped surface 11 and engraving a hair line 14 on a portion of the inco colored surface 9. If required, a gold plating 15 is formed on the hair line 14, the gold-plated layer 15 is discolored by an electrolytic aqueous solution to balance the brown region with the green layer, and the hair line 14 is engraved according to the image pattern so that it overlaps the stripped surface 11c. The stainless steel plate having a stereoscopic effect with an illusionary effect such as hue, wherein the inco colored surface 9, the stripped surface 11 and the hair line 14 are balanced with each other, is prepared. 
     COPYRIGHT: (C)1996,JPO
Patent JP-S61166928-A (JP)
Title: Continuous annealing method
Inventor: NAKAOKA KAZUHIDE
IPC: C21D9/573
Filed: 1985-12-12
Abstract: PURPOSE:To regulate the cooling rate of a steel strip in a wide range in a continuous heat treating line and to manufacture various products by specifying the level and temp. of water in the tank of each of plural water cooling mechanisms when the steel strip is successively introduced into the water cooling mechanisms and cooled. CONSTITUTION:A steel strip drawn out of a payoff reel 1 is sent to a heating and soaking zone 4 through a rolling oil washing mechanism 2 and a looper 3, and it is cooled in a water cooling tank 5 and a water cooling tank 6 provided with opposite jetting mechanisms 7. The cooled steel strip is passed through an overaging furnace 8, etc. and coiled. The level of water in the tanks 5, 6 is regulated to 0-5m with respect to the immersion depth of the steel strip, and the temp. Tw of the water in each of the tanks is regulated as shown by the equation (where Ts is the cooling starting temp. of the steel strip in each of the tanks, and Tf is the cooling finishing temp. of the steel strip in each of the tanks).
Patent JP-H02124631-A (JP)
Title: Semiconductor converter
Inventor: TOKIWA YUKIO
IPC: H03K17/73
Filed: 1988-11-02
Abstract: PURPOSE:To start a converter even is the converter consists of a normally-on semiconductor element by connecting a voltage division circuit in parallel with a component of a series connection circuit and applying a reverse bias voltage between a gate and a cathode of the element at the cathode terminal of the series connection circuit. CONSTITUTION:When a voltage is started to be applied to a main circuit, since an SI thyristor 81 is turned off, a potential difference is caused between the anode and the cathode of the SI thyristor 81, an electric energy is supplied to a power supply circuit 41 through a DC voltage sharing resistor 31, and power is supplied to a photoelectric conversion circuit 51 and an amplifier circuit 61 from the power supply circuit 41. In this case, a reverse bias voltage is supplied between the gate and cathode of a thyristor 82, which is turned off, and a potential difference is caused between the anode and cathode of the thyristor 82 and power is supplied from a power supply circuit 42 to a photoelectric conversion circuit 52 and an amplifier circuit 62. Thus, the power is supplied to all photoelectric conversion circuit 51-5n and amplifier circuits 61-6n in this way and the thyristor converter is driven by having only to supply the gate signal.
Patent JP-H05117214-A (JP)
Title: Production of diphenylamine derivative
Inventor: AKAMATSU TAKASHI
IPC: C07B61/00
Filed: 1991-10-24
Abstract: PURPOSE:To obtain a 2-(alkyl or alkoxy)-4-alkoxy-diphenylamine useful as an intermediate for black color developing agent for thermosensitive recording paper and pressure-sensitive recording paper with a simple process in an easily separable and purifiable state in high purity. CONSTITUTION:The objective compound of formula III is produced with a simple process in high selectivity by reacting a nitro compound of formula I (R is lower alkyl; X is lower alkyl or lower alkoxy) with an amino compound of formula II and cyclohexanone in the presence of a palladium catalyst (preferably supported on a carrier, especially a palladium/carbon, palladium/ alumina, etc.) in the presence or absence of an inert organic solvent at about 110-180 deg.C (preferably about 120-170 deg.C) for several to about 10hr. The amount of the compound of formula I is about 1-3mol (especially about 2.0-2.5mol) and that of cyclohexanone is about 2-4mol (especially about 3.0-3.5mol) based on 1mol of the compound of formula II. The amount of catalyst is preferably about 0.1-2wt.% in terms of Pd.