baber/WOPTO huggingface dataset:
Patent JP-H0419715-A (JP)
Title: Optical element and production thereof
Inventor: SHIODA TAKAO
IPC: G02B6/12
Filed: 1990-05-15
Abstract: PURPOSE:To obtain the optical element which deals easily with a planar structure, is small in size and low in loss and is excellent in low voltage operation and to produce with high accuracy by subjecting the parts exclusive of the prescribed patterns of the quantum well structure layer on a substrate to a disordering treatment and forming the pattern parts as waveguides. CONSTITUTION:The parts 3 exclusive of the prescribed patterns (approximately X-shaped pattern) of the multiple quantum well structure layer 2 formed on the substrate 1 is subjected to the disordering treatment. The X-shaped pattern parts are formed as the waveguides 4, 5 of the multiple quantum well structure. Control parts 6 of electrodes, etc., are provided on the proximate central coupling parts of these waveguides 4, 5, for example, on the front and rear thereof. A change in the refractive index in the vertical direction of the multiple quantum well structure is used in the case of such optical element and the operation with the smaller voltage is executed by narrowing the spacing between the waveguides 4 and 5. The optical element which has the planar structure, is small in size and low in loss and operates with the low voltage is obtd. in this way. The easy production of this optical element with high accuracy is possible.
Patent JP-S5249040-A (JP)
Title: Transmission line of optical fibers
Inventor: UENO YOSHITO
IPC: G02B6/26
Filed: 1975-10-16
Abstract: PURPOSE:To make equal group delay velocities of the respective lower and higher order modes and not to englarge the width of a light pulse by connecting fibers of lower order mode alternately with fibers having group delay velocities slower and faster than that of lower order mode to thereby fabricate a transmission line of optical fibers.
Patent JP-H1062079-A (JP)
Title: Multitube type heat exchanger
Inventor: MATSUDA SEISAKU
IPC: F28D7/16
Filed: 1996-05-21
Abstract: PROBLEM TO BE SOLVED: To provide a multitube type heat exchanger which enables in crease in a service life and reduction of the frequency of repair work by making the sizes of heat transfer tubes different between the outer peripheral side and the central part and correcting a welding method of the tubes. SOLUTION: In a multitube type heat exchanger constructed of a plurality of heat transfer tubes which are prepared by making the respective opening parts face the inside of front and rear ducts, the velocities of flows in inner and outer heat transfer tubes are made V1≈V2 when the velocity of flow of a heat supply fluid running through the heat transfer tubes in a central part area X is denoted by V1 and the velocity of flow of the heat supply fluid running through the heat transfer tubes in an outer peripheral part area Y by V1,  and the velocities of roundabout flows are made U1 ≈U2 when the velocity of the roundabout flow of a preheated fluid running around the outer peripheries of the heat transfer tubes in the central part area X is denoted by U1 and that of the preheated fluid running around the outer peripheries of the heat transfer tubes in the outer peripheral part area Y by U2 .
Patent JP-H01294056-A (JP)
Title: Magnetic head
Inventor: NAKAMURA HIROTO
IPC: B41J2/325
Filed: 1988-05-23
Abstract: PURPOSE:To enhance printing quality by eliminating the contamination of the rear of paper to be transferred, in a magnetic head for transferring magnetic ink to a material to be transferred, by performing coating or void-filling using a coating material or/and void-filling agent. CONSTITUTION:In a printing mechanism 1-6, the heat generating element of a thermal head 1-3 generates heat corresponding to recording data to thermally melt the thermoplastic magnetic ink 1-2 of a magnetic ink film 1-4 and said ink is transferred to paper 1-1 by the magnetic attraction force of the magnetic head 1-5 arranged in opposed relation to the thermal head 1-3. When the magnetic head 1-5 is constituted by mounting a trigonal prism-shaped yoke 2-2 to a rectangular parallellepiped permanent magnet 2-1, the surface thereof is coated with a resin 3-1 such as Teflon or a phenol resin. When said head is constituted by mounting a horseshoe-shaped yoke 4-4 to a rectangular paralellepiped permanent magnet 4-1, voids are filled with a void-filling material 4-5 composed of a resin, an amorphous material, a ceramic material, a nonmagnetic material or a wooden material to coat a resin 4-6. By this method, magnetic ink or dust can be easily removed at a non-printing time.
Patent JP-S5828114-A (JP)
Inventor: KUWABARA HIDEMITSU
IPC: H01B17/60
Filed: 1981-08-12
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-H08318735-A (JP)
Title: Electric curtain opening/closing method and electric curtain device
Inventor: NAGASE NOBUHIKO
IPC: B60J3/00
Filed: 1995-05-24
Abstract: PURPOSE: To provide an electric curtain opening/closing method and an electric curtain device by which slag of a wire type towing member can be eliminated on a rail. CONSTITUTION: A single wire 33 is arranged reciprocatably between an upper side rail 2 and a lower side rail 3. Both ends of the wire 33 are wound on a driving pulley 21 in a wire driving unit 18. A single winding groove 21a is formed in the driving pulley 21, and from both end sides of the groove, the wire 33 is wound up from its respective end part sides individually. Therefore, when the driving pulley 21 is rotated, the wire 33 is wound up from one side, while the wire 33 is fed from the other side. A floating groove is formed continuously to both end parts of the winding groove 21a in the driving pulley 21, and respective end parts of the wire 33 are locked while allowed to move by a fixed distance inside the floating groove.
Patent JP-S6017563-A (JP)
Title: Butterfly arithmetic circuit
Inventor: KATOU RIYOUHEI
IPC: G06F17/14
Filed: 1983-07-09
Abstract: PURPOSE:To execute butterfly arithmetic at a high speed by writing arithmetic results in the same address as that of the data memory where data are stored. CONSTITUTION:The digital data to be processed with butterfly arithmetic and digital data obtained with butterfly are stored in the data memory DMA and DMB of the butterfly arithmetic circuit. The coefficient memory CM stores a real part and imaginary part of the coefficient. The address generator AG calculates addresses of the data memory DMA and DMB, and coefficient memory CM. The multiplier MPYA and MPYB, and adder/substracter ALUA and ALUB calculate multiplication, addition and substraction of the digital data. When writing arithmetic results of the data, the data memory DMA and DMB are accessed by using the read address.
Patent JP-H05178901-A (JP)
Title: Water-soluble sulfoethylcellulose ether having very high solution characteristics and its preparation
Inventor: RAINHARUTO KUNIIUSUKE
IPC: C09K23/48
Filed: 1992-04-20
Abstract: PURPOSE: To prepare a methyl sulfoethyl cellulose which has very high solution quality and is useful as thickners, dispersants or binders with minimum amount of an etherifying agent by alkalizing cellulose and etherifying in the presence of a base or a catalyst.  
     CONSTITUTION: (a) Cellulose is alkalized by reacting with an alkali, preferably in an inert organic solvent, in the presence of a compound which transfers alkyl groups. Next, (b) the alkali cellulose is etherified in the presence of a base using at least one etherifying agent requiring at least catalyst quantity of a base. Thereby, a sulfoethyl cellulose which has a degree of substitution (DS) by sulfoethyl groups, substituting at least one substituent, typical of cellulose derivatives of below 0.4, especialy below 0.35 is obtained. 
     COPYRIGHT: (C)1993,JPO
Patent JP-H0218162-A (JP)
Title: Coupling car with hydraulic steering
Inventor: HARII EEMIRU PEEDERUSEN
IPC: B62D12/00
Filed: 1989-05-18
Abstract: PURPOSE: To steer without shock by connecting a double acting hydraulic shock absorber constituted by fitting a piston provided with springs on both sides in a tubular housing between two conduits connecting a hydraulic steering motor and a hydraulic control unit. CONSTITUTION: A steering system 2 is furnished with a steering motor 3 having two double acting piston-cylinder unit, a control unit 6 connected to this motor 3 through conduits 4, 5, a pump 9, etc., and the control units 6 changes over a channel interlocked with operation of a handle 7. In this case, a shock absorber 10 is provided between the conduits 4, 5. This shock absorber 10 is constituted to hold a piston 12 at a neutral position by springs 13, 14 by fitting the piston 12 integrally provided with shanks 29, 30 on both sides in a tubular housing 11 both ends of which are closed, and it is devised to make pressure of each of the conduits 4, 5 on an end surface of each of the shanks 29, 30 through restrictions 19, 20.
Patent JP-S6357755-A (JP)
Title: Ni-base alloy powder for thermal spraying and its production
Inventor: SATO YOSHITOMO
IPC: C23C4/08
Filed: 1986-05-30
Abstract: PURPOSE:To stably manufacture an alloy powder of superior quality for thermal spraying in high efficiency, by melting an Ni-base alloy material of low oxygen content in a crucible made of special oxide refractory under an inert-gas atmosphere and then by atomizing the resulting molten alloy while avoiding reaction with moisture or air. CONSTITUTION:The inside of a melting furnace 11 is filled with inert atmosphere, and the crucible 12 composed of an oxide refractory difficult to be dissociated or reduced is provided to the inside of the furnace 11. The Ni-base alloy with low oxygen content is melted in the crucible 12, and the resulting molten alloy is poured into a tundish 13 composed of the same material as mentioned above, which is allowed to flow down through a nozzle 13a composed of the same material as mentioned above into an atomizing chamber 14 to undergo powdering by means of a high-speed stream of inert gas. Heaters 15 are provided onto the external wall of this chamber 14, by which moisture and air sticking to the inner wall 14c are evaporated and discharged from the chamber 14. In this way, the spherical powder of Ni-base alloy for thermal spraying having <=2,000ppm oxygen content, >=0.45 apparent density ratio, and <=21sec/50g flow velocity can be obtained.
Patent JP-S614074-A (JP)
Title: Copying machine
Inventor: SATOU SHIROU
IPC: G03G15/23
Filed: 1984-06-18
Abstract: PURPOSE:To improve copy efficiency and operability in both-surface copying operation of, specially, a book original by supplying a recording material for top-surface copying and a recording material for reverse-surface copying to an image forming device almost continuously. CONSTITUTION:The 1st page (side A) of a book original 10 is turned over and the original is placed on an original platen 11 so that the side A is at the right- hand side and the side B is at the left side; and an exposure scan on the side A is made by an optical system 9 to form an electrostatic latent image on a photosensitive body 1, the image is transferred to and fixed on the top side of copying paper P1 supplied from the 1st cassette 20, and the copying paper is stocked as copying paper P2 on the 2nd cassette 40 while turned over through a conveyance path switching member 29. Then, the 2nd page (side B) and the 3rd page (side A) of the book original 10 are placed on the original platen 10 and an exposure scan is made; and the copying paper P2 is send previously for transfer operation and copying paper P1 is supplied from the 1st cassette 20 successively to the copying paper P2 to transfer the B-side image to the copying paper P2 and the A-side image to the copying paper P1 successively.
Patent JP-S5924723-A (JP)
Inventor: KUROODO MAIUU
IPC: A61K47/34
Filed: 1983-07-12
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-S63291866-A (JP)
Title: Porcelaneous composition
Inventor: SAITO MINORU
IPC: H01P7/10
Filed: 1987-05-25
Abstract: PURPOSE:To obtain the titled composition, consisting of PbO, ZrO2 and PrO11/6 of a special composition, having a high dielectric constant and unloaded Q and great negative temperature coefficient at a resonance frequency. CONSTITUTION:High-purity PbO, ZrO2 and PrO11/6 are blended and calcined to provide a calcined material, which is then pulverized, compacted and then fired at 1,200-1,350 deg.C to afford the aimed porcelaneous composition expressed by the formula (PbO)x.(ZrO2)y.(PrO11/6)z in which x, y and z are 40.0<=x<=55.0, 40.0<=y<=55.0 and 0.2<=z<=10.0 expressed in terms of mol fractions.
Patent JP-S61284853-A (JP)
Title: Video signal recording device
Inventor: AOKI SHINJI
IPC: G11B27/02
Filed: 1985-06-10
Abstract: PURPOSE:To suppress the discontinuity of servo-information and the discontinuity of the recording pattern of the time when an insert editing is executed, to improve the efficiency of an editing work, and to improve the reliability by executing a control of an operating state in accordance with servo-information calculated by distributing proportionally the servo-information of en editing start point and servo-information of an editing end point, base end on the present tape running position. CONSTITUTION:Prior to an actual insert editing operation, at the time of a rehearsal operation, etc., not only servo-information SI in an in-point PI but also servo-information SO of an out-point P0 are detected and stored in a storage such as a memory, etc., and in the course of the actual insert ediging operation, a servo-control operation is executed, based on servo-information calculated by distributing proportionally these servo-information SI and SO. the servo- information in the course of this insert recording operation is shown by a broken line in the figure, and the servo-information in each point PI, PO is continued smoothly.
Patent JP-S614146-A (JP)
Title: Electron beam device
Inventor: NAKAGAWA SEIICHI
IPC: H01J37/141
Filed: 1984-06-19
Abstract: PURPOSE:To correct the focal point drift of an objective lens by providing a memory storing the acceleration voltage, the focal distance of the objective lens, the maximum locking angle of an electron beam on a device displaying an electron channeling pattern. CONSTITUTION:A memory 21 storing the focal distance of an objective lens 7, the acceleration voltage from an acceleration power supply 2, and the information for specifying the gain of a variable-amplification factor amplifier 16 against variable-magnifying factor circuit 12 is provided on an electron beam device displaying an electron channeling pattern, it is read out by a CPU18, the amplifier 16 is controlled via its output to adjust a dynamic focus lens 6, and the focal point drift of the objective lens 7 is corrected. Accordingly, the optimum correction can be automatically performed even if the acceleration voltage, focal distance, and maximum locking angle are changed, thus operability can be improved.
Patent JP-H11318818-A (JP)
Title: Endoscopic apparatus
Inventor: MIMORI NAOTAKE
IPC: A61B1/00
Filed: 1998-05-08
Abstract: PROBLEM TO BE SOLVED: To provide an endoscopic apparatus with which the disinfection of the endoscope with plasma gas of hydrogen peroxide and improving the slidability of sliding parts constituting the endoscope and the movability of the movable parts thereof. SOLUTION: An emulsified mineral oil prepd. by emulsifying a mineral oil with an emulsifier is used as the lubricant between at least the sliding parts, for example, a wire 48 and a tight contact spring 52, which induce dynamic friction among the sliding parts constituting the endoscope. As a result, the coefft. of dynamic friction when the wire 48 moves in the tight contact spring 52 may be made as small as about that when molybdenum disulfide powder is used as the lubricant. Even more, the formation of a product, such as sulfuric acid, which imparts damage to the endoscope as with the molybdenum disulfide does not occur even if the endoscope 10 is disinfected with the plasma gas of the hydrogen peroxide.
Patent JP-H10313661-A (JP)
Title: Grain supply device using thrower
Inventor: SATAKE SATORU
IPC: A01F12/46
Filed: 1997-05-15
Abstract: PROBLEM TO BE SOLVED: To easily increase the grain supply speed to an optional grain processing means. SOLUTION: The introduction port 27a of a guide member 27 is connected to the discharge port 31 of a blade chamber 12. The rotation peripheral speed of a blade 20 provided in the blade chamber 12 is set to be more than 9 m/sec and less than 15 m/sec. Introduced grains are discharged from the discharge port 31 by the rotation of the blade 20 and sent to the carrying path 28 of the guide member 27. The vertical cross section of the carrying path 28 is turned to the circular arcuate shape of a radius R, the radius R is appropriately set and the grains are thrown from a throwing port 27b at a desired throwing speed.
Patent JP-S6144050-A (JP)
Title: Seat belt device
Inventor: SUZUKI ICHIRO
IPC: B60R22/06
Filed: 1985-06-10
Abstract: PURPOSE:To keep off the side run-out of a slider, by moving and guiding a slider, which has a webbing attaching part to which one end of a webbing is connected in times of installation and release of the webbing, along a guide rail via a shoe. CONSTITUTION:An inner side end part 4 of a webbing 1 is attached to a car floor part 5 via a takeup roller 6, while an outer side end part 7 is connected to a slider 9 via an anchor plate 8. The slider 9 is moved and guided along a guide rail 13 laid down along pillars 10, 12 and a roof side 11, and further moved with rotation of a sprocket wheel 44 via a driving tape 24. In this case, the slider 9 is made up of a head part 15, a body part 16 and a leg part 17, and each of shoes 18 and 21 composed of nylon or the like each is attached to the head part 15 and a setting seat 20 at a lower end of the body part 16, inserting them into a slide groove 14 of the guide rail 13.
Patent JP-H09301000-A (JP)
Title: Driving device for four-wheel drive vehicle
Inventor: KOBAYASHI TOSHIO
IPC: B60K17/348
Filed: 1996-05-21
Abstract: PROBLEM TO BE SOLVED: To provide a driving device for a four-wheel drive vehicle that can ensure a sufficient crash stroke at the time of a side collision and sufficient work space while being compact and can obtain simplification of constitution. SOLUTION: A transversely installed engine 10, a torque converter 20 and a belt-type continuously variable transmission 30 are connected in this order. A driving device has a front drive shaft 51 and a rear drive shaft 52 arranged parallel to a crankshaft 11 of the engine 10, a hub 61 rotatably fitted to the front drive shaft 51, a double pinion type planetary gear 55 with a sun gear 56 connected to the hub 61, and first to fifth multiple disc clutches 68, 78, 84, 93, 102. The respective multiple disc clutches are selectively operated to distribute power of output from the transmission 30 to the front drive shaft 51 and rear drive shaft 52 and to switch forward/reverse for power transmission.
Patent JP-S5918047-A (JP)
Title: Bumper/chassis coupling structure
Inventor: KATOU KATSUHISA
IPC: B60R19/24
Filed: 1982-07-20
Abstract: PURPOSE:To facilitate fixing of bracket and rib by forming a fork section with two sheets of boards in a bracket for fixing a bumper to the chassis while providing a claw at the inside then holding and stopping a rib on the rear face of the bumper by means of the forked section and the claw. CONSTITUTION:A sub-bracket 10 is secured at the inside of both end folded sections 3a' of a bracket 3a having C-shaped cross-section while providing a gap sufficient to insert over a rib 2 at the rear side of bumper 1, to form a forked section 11 with the sub-bracket 10 and said folded section 3a'. A claw 12 for stopping the rib 2 is formed at the inside of the sub-bracket 10. The forked section 11 of the bracket 3a is simply inserted over the rib 2 to stop the claw 12 at the rib 2, thus to secure the bracket 3a and the rib 2. Furthermore said bracket 3a is mounted on the chassis through a bolt 4.
Patent JP-S5827851-A (JP)
Title: Controlling system of internal combustion engine
Inventor: NISHIMURA YUKINOBU
IPC: F02D41/04
Filed: 1981-08-12
Abstract: PURPOSE:To operate an engine in a desired condition by a method wherein a fuel supply rate is controlled in a constant load state and a relative change in the engine function is detected and the detection values are followed. CONSTITUTION:An A/D converter 26 converts the analogue signal from an intake manifold negative pressure sensor 22, coolant temperature sensor 23, throttle opening sensor 24, battery 25 and the like into a digital signal by multiplex, and thus obtained digital signal is transmitted to a CPU30. The CPU30 is also inputted with the output from a cranking switch 27 and the output from an ignition switch 28 which is provided through a waveform rectifying circuit 29. The CPU30 operates according to a program prememorized in a ROM which is included in the CPU30 to transmit the digital value of fuel injection rate to a timer 31, where the digital value is converted into a pulse width. The output of the timer 31 is then transmitted to a drive circuit 32 of an injector.
Patent JP-S5553074-A (JP)
Title: Solid electrolyte cell
Inventor: SAITOU SATORU
IPC: H01M4/36
Filed: 1978-10-13
Abstract: PURPOSE: To obtain a stable cell having high voltage and only life in low rate discharge by preparing the positive electrode made of phenothiazine and iodide  through a specific method, and contacting metal lithium with the positive electrode.  
     CONSTITUTION: Into the solution in which phenothiazine and iodide are dissolved in organic solvent such as benzene, the solution obtained by dissolving high polymer compound such as polyethylene into separate same organic solvent is added and mixed, and after sufficient agitation, pressure is reduced, and solvent is removed, and thus, the mixture of polystyrene with iodide-phenothiazine charge transfer complex is obtained. Said mixture is made into powder and pelletized and formed into a positive electrode pellet 1, and with the positive electrode pellet 1, metal lithium negative electrode 2 is contacted, and on the interface, solid electrolyte 3 of lithium iodide is formed. Thus, the pellet 1 having a large amount of iodide which bonds with phenothiazine and having uniform mixing of polystyrene, and high softness is obtained, and as a result of this, a cell having high discharge voltage and high utility of iodide can be obtained. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H08318608-A (JP)
Title: Translucent resin molding and manufacture thereof
Inventor: KITAGAWA YOSHINORI
IPC: B32B38/00
Filed: 1995-05-25
Abstract: PURPOSE: To simply manufacture a translucent resin molding having a deep rift pattern by providing a colored layer having the rift pattern on the rear surface of a translucent base material layer of a cured thermosetting resin composition in which a rift pattern imparting material is dispersed. CONSTITUTION: A translucent base material sheet 11' made of thermosetting resin composition containing rift pattern imparting material is charged in a press mold 2 having an upper mold 21 and a lower mold 22, mold-clamped, thermally press molded, and then the mold is opened to obtain a translucent base material layer 11". Then, the rear surface of the layer 11" is coated with colored layer forming material 12' having a rift pattern, again mold-clamped, thermally press molded, and then the mold is opened to a translucent resin molding 1. The thermosetting resin includes, unsaturated polyester resin, or vinyl ester resin. The rift pattern imparting material includes polyester resin like multi-colored gelcoat, cured material of acrylic resin, mica or flake.