baber/WOPTO huggingface dataset:
Patent JP-S61213532-A (JP)
Title: Ventilating, room cooling and room heating system
Inventor: OSHITA KAZUYOSHI
IPC: F24F7/04
Filed: 1985-03-20
Abstract: PURPOSE:To cool rooms by contacting atmosphere with underfloor ground surface to produce cold air in summer and heat rooms by sending warm air, collected in a roofing space, into underfloor space by pressure in winter. CONSTITUTION:A taper duct 5 is connected to an underfloor ventilating port 1, equipped with a non-return valve 2 and a damper 3 opened and closed by an opening and closing screw 4, and an intermediate ventilating fan 6 is provided between the connecting port 22 of the duct 5 and the duct 7. A plurality of slit pipes 8, arranged on the ground surface of an underfloor space 10, are connected to the duct 7 while caps 9 are fitted to the ends of the pipes 8. Further, the duct 12 is connected to the duct 7 through the roofing space 17, the non-return valve 13 and the intermediate ventilating fan 14 are provided on the intermediate part of the duct 12, the slit pipe 15 is connected to the end of the duct 12 and the cap 23 is fitted to the end of the pipe 15. The underfloor space 10 and the roofing space 17 of the building are communicated by wall cavities 11 and the roofing ventilating port 16 is made by opening and closing system. As a result, room heating of underfloor ground surface.
Patent JP-H11257210-A (JP)
Title: Axial piston pump or motor
Inventor: TERAOKA TAKASHI
IPC: F03C1/253
Filed: 1998-03-09
Abstract: PROBLEM TO BE SOLVED: To ameliorate the durability of an axial piston pump or motor by preventing its piston-energizing spring from buckling and such buckling from in turn causing abrasion. SOLUTION: A piston-energizing spring 5 is arranged between a fitting recession 3c at the dead end of a piston hollow 3b and a fitting recession 2b at the dead end of a cylinder bore 2a. The piston hollow 3b is formed at its opened end with a step 11, in which a bushing 12 made of a material having a small coefficient of fiction for excellent sliding motion, such as a polymeric material, is fitted tight to support the periphery of the spring 5. The bushing 12 is placed to support the general longitudinal middle portion of the spring 5 while it is fully compressed.
Patent JP-H09224299-A (JP)
Title: Piezoelectric speaker
Inventor: MIZUNO KOJI
IPC: H04R17/00
Filed: 1996-02-19
Abstract: PROBLEM TO BE SOLVED: To provide a piezoelectric speaker in which a flat frequency characteristic is obtained and a broad band frequency is efficiently reproduced. SOLUTION: A diaphragm 1 is formed to be a rectangle consisting of plural consecutive semi-circular cylindrical faces 1a, 1b arranged side by side and outer circumferential sides 1s at both sides are used for mounting to a frame 6. Furthermore, a bimorph or unimorph piezoelectric element 5 is supported by the diaphragm 1 on a recessed part 1r in line contact. An induced voltage in an electromagnetic coupling induction coil 7 is fed to the piezoelectric element 5 via a lead wire 9, a relay terminal 10 and a lead wire 8 from the induction coil 7. Thus, the speaker is arranged on coaxis of a voice coil of a conventional dynamic speaker to obtain a required drive voltage, then the speaker is used for a tweeter for a coaxial unit.
Patent JP-S62214652-A (JP)
Title: Switching circuit
Inventor: MIURA YOSHIKAZU
IPC: H02P7/29
Filed: 1986-03-17
Abstract: PURPOSE:To increase a current capacity which can dissipate generated heat from a switching circuit by used for a chopping circuit for controlling the speed of a radio control model by composing the switching circuit of chip-shaped transistors to efficiently performing the switching operation of the switching circuit in a saturated range. CONSTITUTION:A plurality of through holes 2a, 2b to which terminals of collectors 3a, emitters 3b and bases 3c of chip-shaped transistors 3, 3 are inserted are formed, the terminals of the transistors 3, 3 are inserted to the holes 2a, 2a of a circuit substrate 2, and soldered to conductors 2b on the substrate 2. thus, all the transistors 3, 3 are connected in parallel, and secured on the substrate 2. Platelike heat sink members 4, 4 made of a material having good thermal conductivity are so inserted at their one ends to the ends of the transistors 3, 3 as to closely contact with the collectors 3, 3 as to closely contact with the collectors 3a, 3a. thus, sufficient heat dissipation is achieved to largely increase the current capacity of the switching circuit.
Patent JP-H11255368-A (JP)
Title: Conveyance roller
Inventor: FUJIMORI ASAO
IPC: B65H5/06
Filed: 1998-03-09
Abstract: PROBLEM TO BE SOLVED: To provide a conveyance roller of high versatility which can maintain a high accuracy in the roller swinging operation and reduce the production costs, by increasing the rigidity of a bearing part of the roller and preventing deformation resulting from own weight or a heat. SOLUTION: This conveyance roller includes a pressure fit-in part 4 having flange-shaped projections formed through a plurality of grooves at the periphery in the axial direction, and coaxial pressure fit-in bearings 3 where the pressure fit-in part 4 and a bearing part 5 extended coaxially from the pressure fit-in part 4 are formed in a single piece structure, are pressure fitted from the pressure fit-in part 4 from the two end openings of a cylindrical pipe. A pressure fit-in guide part of the pipe is pressure fitted and tightened in the radial direction by the peripheries of the flange-shaped projections.
Patent JP-S61213590-A (JP)
Inventor: KAMIMURA SHUZO
IPC: F25D25/00
Filed: 1985-03-20
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-H01230347-A (JP)
Title: Device for nuclear magnetic resonance
Inventor: KAWAGUCHI HIROMI
IPC: G01R33/48
Filed: 1988-03-10
Abstract: PURPOSE:To obtain a device for nuclear magnetic resonance capable of receiving and transmitting resonance signals with high sensitivity and a high signal-to-noise ratio by forming an alternating magnetic field composed of an uniform magnetic field which is small in the absolute value of intensity during the period of time for irradiation against a high frequency magnetic field, and of an uniform magnetic field which is great in the absolute value of intensity during the period of time for receiving resonance signals. CONSTITUTION:An uniform alternating magnetic wave form 10 is composed of a high frequency magnetic field irradiating section 11, of an ascending section 12 wherein an uniform alternating magnetic field intensity is increased, of a high frequency signal receiving section 13 receiving resonance signals, and of a descending section 14 wherein the descending section 14 is connected with the high frequency magnetic field irradiating section on the side where the sign from the ascending section 12 is opposite, the repeat of which situation forms an alternating magnetic field wave form 10 allows the wave form to alternate repeatedly between plus and minus in turn. The uniform alternating magnetic wave 10 as described above can be generated by sending alternating current having the wave form same as the uniform alternating magnetic field wave form 10 into an uniform magnetic field coil 1. In the high frequency magnetic field irradiating section 11, a high frequency magnetic field is generated within an uniform magnetic field space 8 by sending high frequency pulses 2 with a specified frequency as high frequency current into a high frequency coil 5 for the specified period of time.
Patent JP-S58174423-A (JP)
Title: Highly expandable polyethylene composition
Inventor: SAITOU OSAMU
IPC: C08J9/06
Filed: 1982-04-06
Abstract: PURPOSE:To prepare the titled composition giving a cable insulation material having excellent electrical properties and high expansion ratio by a conventional extruder, by compounding a specific base polyethylene resin with a mixture of azodicarbonamide and a specific compound as a foaming agent. CONSTITUTION:The objective composition is prepared by compounding (A) 100pts.wt. of a low-density polyethylene having a melt index of 1-7 or a mixture of the low-density polyethylene and a high-density polyethylene with (B) 1-5pts.wt. of a foaming agent prepared by mixing (i) azodicarbonamide with (ii) p'-oxybis(benzenesulfonylhydrazide) at a weight ratio of 1:1-4:1. It is preferable to add 10-100wt%, based on the component (i), of a foaming assistant (perferably zinc stearate) to the component (i) to lower the decomposition temperature of the component (i) to a level matched with the processing temperature of the component (A).
Patent JP-S58173837-A (JP)
Title: Forming method for thermal oxide film
Inventor: TAKAHASHI ETSUO
IPC: H01L21/316
Filed: 1982-04-05
Abstract: PURPOSE:To obtain the thermal oxide film with uniform thickness by bending a H2 gas introducing nozzle and ejecting H2 gas while being opposed to O2 gas when a semiconductor wafer is arranged into a core pipe, while H2 gas and O2 gas are burnt and steam is generated and the thermal oxide film is formed to the wafer. CONSTITUTION:A boat 13 on which a large number of the semiconductor wafers 12 are erected at intervals is encased into the core pipe 11, and a nozzle blowing O2 in and the nozzle 14 blowing H2 in are set up to one side of the core pipe 11. In the constitution, the nozzle for O2 is not protruded in long size in the core pipe 11, only the nozzle 14 for H2 is protruded up to the inside of the core pipe 11, and the nose is bent previously in the direction of the nozzle for O2 at 180 deg.C. According to such constitution, the temperature of the blow-off section of O2 gas is brought to approximately 100 deg.C, the temperature of the blow-off section of H2 gas is elevated up to approximately 800 deg.C, and gases are mixed sufficiently in the section of H2 gas, and forwarded to the wafers 12. Accordingly, a mixed gas collides directly with the wafers 12, and the oxide film with uniform film thickness is obtained.
Patent JP-H04292597-A (JP)
Title: Electric fan
Inventor: INAZUMI HIDEYOSHI
IPC: F04D25/08
Filed: 1991-03-20
Abstract: PURPOSE:To prevent the deformation of the lower part of a stand by providing a circuit board in the space surrounded with a bottom cover made of metal that covers the opening part at the bottom of the stand made of synthetic resins, projecting plural pins that abuts the bottom cover of the stand, and forming through holes wherethrough the pins penetrate to the circuit board. CONSTITUTION:Plural pins 29 hung down from the base 2 of a stand 1 and formed are constituted to penetrate through holes 30 formed to first circuit board 25 with their top ends adjacent to, or abutted a bottom cover 4, and prevent the deformation of the base 2. Since pins 29 abut the through holes 30 of first circuit board 25 and deformation and displacement are prevented, pins 29 do not deform, and the base 2 does not deform even when excessive load acted on the base 2 like that time when the base 2 is accidentally trampled down.
Patent JP-H05225662-A (JP)
Title: Tape cassette loading device
Inventor: OHASHI KEIICHI
IPC: G11B15/675
Filed: 1992-02-12
Abstract: PURPOSE:To make a shape in the horizontal direction symmetrical to a center line by providing a driving motor at the lower part of a cassette insertion port and also making the driving force transmitted to a drive gear from the motor so as not to pass through a slider moving route which is provided on a frame. CONSTITUTION:The driving force generated in the driving motor which is provided at the lower part of cassette insertion port on an outer frame, is transmitted to a drive means through the inside of the frame and made so as not to pass through a guide hole on the frame. To put it more specifically, intermediate gears 11 are provided for the drive gears 9 respectively fitting thereto and made engage with sink gears 13. Also, they are rotatably fixed on both ends of a main shaft 15 disposed between the frames 1, 2, and the rotations of gears 9 for one side and another side are synchronized. A double action gear 32 and double action spring 33 are rotatably mounted inside the gear 13, and a reduction gear 31 of the motor unit 30 is engaged with the gear 32.
Patent JP-H06167611-A (JP)
Title: Polarizing plate
Inventor: SHIMOMURA HIDEKI
IPC: G02B5/30
Filed: 1993-03-17
Abstract: PURPOSE:To obtain a liq. crystal module not causing unevenness in color after check or processing in an environment at a high temp. and maintaining uniform display quality by using a polarizing plate having a specified shrinkage rate. CONSTITUTION:A protective film such as a triacetylcellulose film is stuck to a polarizer such as a polyvinyl alcohol film, a polyvinyl formal film or a saponified poly(ethylene-vinyl acetate) copolymer film to form a polarizing plate and this polarizing plate is subjected to shrinkage treatment by heat treatment, vacuum drying or other method so that <=0.5% shrinkage rate is attained after the plate is allowed to stand at 80 deg.C for 2 hr. A liq. crystal module with a built-in elliptical polarizing plate consisting of the resulting polarizing plate and a phase plate does not cause unevenness in color by processing in an environment, at a high temp.
Patent JP-H08255726-A (JP)
Title: Manufacture of magnet array and light source using the same
Inventor: OKUDA SHUICHI
IPC: H05H13/04
Filed: 1995-03-16
Abstract: PURPOSE: To miniaturize a light source by periodically radiating a rare earth element magnet plate spatially at a predetermined interval with a radioactive ray to demagnetize while applying a reverse magnetic field to the magnet plate unidirectionally magnetized in a thickness direction, and simultaneously applying the reverse magnetic field to invert the magnetization. CONSTITUTION: A permanent magnet magnetic circuit for applying a reverse magnetic field made of a permanent magnet 2 and a yoke 3 is manufactured, and a magnetized rare earth element permanent magnet plate 1 is inserted into an air gap 6. An electron beam 4 is radiated from an upper direction, and radiated to the plate 1 from a gap 5. Thus, a reverse magnetic field is generated in the plate 1 unidirectionally magnetized in the thickness direction, and the magnetization of the radiated site is inverted. Thus, the short period length of the magnet array in which the magnets periodically inverted in the magnetizing direction of the magnets can be realized without forming a thin plate magnet.
Patent JP-S56153713-A (JP)
Title: Supply system of electric power and control signal
Inventor: INOUE TAKASHI
IPC: H01F38/18
Filed: 1980-04-30
Abstract: PURPOSE:To enable to supply an electric power and a control signal to a rotary body through single magnetic coupling means by a method wherein the control signal is duplicated on the electric power to be supplied in the rotary body through the magnetic coupling means. CONSTITUTION:The stationary side of the magnetic coupler 11 like rotary transformer, etc., is connected to the output side of an oscillation circuit 12 for the electric power, and the oscillation circuit 12 is fed from a DC power source to generate AC outputs of sinusoidal wave, square wave, etc. The oscillation circuit 12 is constituted of a voltage controlled type circuit to change oscillation frequency in accordance with an input from the outside, a circuit to generate oscillation synchronizing with an AC input from the outside, etc. The control signal is applied to a terminal 13 in the form of a series of pulse or a DC voltage in accordance with an intention of control to change oscillating frequency or amplitude of the output of the oscillation circuit 12 through a modulator 14. Accordingly the output of the oscillation circuit becomes a modulated signal wherein the AC power is overlapped with the control signal, and is fed to an electric circuit in the rotary body by the rotary transformer 11.
Patent JP-H10252033-A (JP)
Title: Floating structure facility having sea area purifying function and method for purifying sea area using the same
Inventor: KAWARADA MINORU
IPC: E02B1/00
Filed: 1997-03-12
Abstract: PROBLEM TO BE SOLVED: To provide a sea area purification means that purifies a stagnant semi-closed sea area where seawater is scarcely changed, such as a closed channel in a waterside park. SOLUTION: A floating structure facility comprises a reservoir 2 communicated to the ocean (canal 27), a floating structure 5 floating in the reservoir 2, and an expanding structure 11. A movable sheathing board 3 controlling the in and out movements of seawater 4 is provided in the reservoir 2, a hollow chamber 6 allowing the seawater 4 in is formed inside the floating structure 5, and a compressor 7 capable of decompressing air 8 in and out the hollow chamber 6 is installed. By operation of the compressor 7, the level of seawater 4 in the hollow chamber 6 is raised, and the pressure of the raised seawater 4 and a difference in tide level, etc., are utilized to release the seawater 4 in the hollow chamber 6 and the reservoir 2 into a semi-closed sea area from a high-level position at high speed for purification.  The expanding structure 11 is expanded and contracted according to the purification process and is usable as a tide clock, etc.
Patent JP-2000253571-A (JP)
Title: Potential suppressor
Inventor: ITO KOICHI
IPC: H02H9/08
Filed: 1999-03-04
Abstract: PROBLEM TO BE SOLVED: To provide a potential suppressor which reduces the potential to the ground for the low-voltage side winding of a high- and low-voltage transformer, when a high-voltage-side voltage is applied to the low-voltage side winding and prevents the passage of ground fault current and high-frequency current to the low-voltage side electrical path of other high- and low-voltage transformers in the other states. SOLUTION: Potential suppressors 1A and 1B are constituted so that circuits which are brought into conduction when a high-voltage side voltage is applied to the low-voltage side winding, due to cross contact between the winding of a high-voltage transformer Tr1 and the winding of a low-voltage transformer Tr2 and are brought out of conduction, in cases other than the case where a high-voltage-side voltage is applied to the low-voltage side winding are connected between a neutral point N of the low-voltage side winding and one TE of low-voltage side winding terminals, and a common class B grounding pole EB.
Patent JP-H07330459-A (JP)
Title: Alumina fiber insulating material and its preparation
Inventor: BORISU URAJIMIROUITSUCHI SUCHI
IPC: D01F9/08
Filed: 1995-03-16
Abstract: PURPOSE: To obtain a lightweight fibrous heat insulating material of which the service temp. to permit the use of the material for protection of spaceships and spaceship cabins against heat is order of 1,600°C and which is low in thermal conductivity and has strength.  
     CONSTITUTION: This porous anisotropic material consists of 70 to 90 wt.% alumina based fibers [which consists of 72 to 97 wt.% Al 2 O 3  and 3 to 28 wt.% SiO 2 , have an average diameter of ≤2 μm, an average aspect ratio (1/d) of 30 to 130 and strength of at least 600 MPa and a classification temp. of 1,650°C] and 10 to 30 wt.% aluminosilicate binder. The density of the material is in a range of 0.15 to 0.5 g/cm 3  and the linear shrinkage after holding for 24 hours at 1,600°C is ≤20% in a 'strong' direction and is ≤4% in a 'weak' direction. The tensile strength in the 'weak' direction is at least 0.15 MPa and the compressive strength is at least 0.2 MPa. The anisotropy is 1.3 to 4 and the material is usable for a long time at 1,600°C. 
     COPYRIGHT: (C)1995,JPO
Patent JP-S58173848-A (JP)
Title: Semiconductor device
Inventor: SAITOU MINORU
IPC: H01L23/12
Filed: 1982-04-07
Abstract: PURPOSE:To prevent the outflow of a solder material, and to improve workability by attaching or burying heat-resistant resin rectilinearly or curvedly around a semiconductor element loading section on a substrate. CONSTITUTION:A concave section is formed to a metallic base or the ceramic substrate 1, and heat-resistant resin 6 such as polyimide is buried. When a chip 3 is loaded, the flow of excessive solder material 2 stops in a resin buried section. The flow can also be prevented when the section is buried convexedly with resin 6. According to the constitution, the workability of the loading of the chip is improved, and the quality and yield of products are enhanced.
Patent JP-H08225184-A (JP)
Title: Sheet conveying device and image forming device
Inventor: AOYAMA TAKESHI
IPC: G03G15/00
Filed: 1995-02-21
Abstract: PURPOSE: To provide a sheet conveying device in which a sheet failed in conveyance can be easily taken away. CONSTITUTION: A sheet conveying device is provided with plural conveying roller pairs 41, 42, 43, 44 whose driving systems are different from each other, and a knob 41a serving as a rotating means rotating the first conveying roller pair 41 via the first one-way clutch 41c is arranged in the first conveying roller pair 41 among the plural conveying roller pairs. The rotation by means of the knob 41a is transmitted to the second conveying roller pair 42, whose driving system is different from that of the first conveying roller pair 41, via the second one-way clutch 42c by means of the first pulley 41d, the second pulley 42d, and a belt 41e serving as drive transmitting means.
Patent JP-S52141250-A (JP)
Title: Electrochromic display body
Inventor: YAMADA KUNIHARU
IPC: G02F1/17
Filed: 1976-05-20
Abstract: PURPOSE: To improve memory performance and lengthen operation life of display body, by coating electrode parts of the display having electrochromic effect with a flouride. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H02236961-A (JP)
Title: Alkaline manganese battery
Inventor: NITTA YOSHIAKI
IPC: H01M10/52
Filed: 1989-03-10
Abstract: PURPOSE:To retard increase in internal pressure within a battery to increase storage performance by arranging a hydrogen gas permeable resin tube filled with a hydrogen gas absorber prepared by fixing silver oxide on manganese dioxide particles in a positive electrode. CONSTITUTION:In an alkaline manganese battery whose main negative active material is nonamalgamated zinc or low-amalgamated zinc having a mercury content of up to 500ppm, main positive active material is manganese dioxide, and electrolyte is an alkaline aqueous solution, a hydrogen gas permeable resin tube filled with a hydrogen gas absorber 2 prepared by fixing silver oxide on manganese dioxide particles is arranged in a positive electrode 1. The absorber 2 absorbs hydrogen gas evolved from negative zinc 4, and increase in internal pressure within the battery is retarded and electrolyte leakage resistance is increased. The storage performance of the battery is enhanced accordingly.
Patent JP-H09939-A (JP)
Title: Member having photocatalytic function and its production
Inventor: HAYAKAWA MAKOTO
IPC: B01J21/06
Filed: 1995-02-09
Abstract: PURPOSE: To obtain a member having sufficiently high film strength while maintaining photocatalytic activity. CONSTITUTION: A layer consisting essentially of particles 1 having photocatalytic activity is mainly formed on a substrate 3 so that fine particles 2 of <0.01μm average particle diameter are distributed in the particle layer or a layer consisting essentially of particles 1 of <=0.02μm average particle diameter having photocatalytic activity is formed on the substrate 3 and fine particles 2 of <0.01μm average particle diameter are dispersed in at least the top layer part of the particle layer.