baber/WOPTO huggingface dataset:
Patent JP-S58125903-A (JP)
Title: Pulse width modulation amplifier
Inventor: TAKAGAWA KIYOUICHI
IPC: H03F3/217
Filed: 1982-01-22
Abstract: PURPOSE:To stabilize the working of a pulse width modulating circuit, by connecting the electrode of one side of each MOSFET to a common output terminal and providing a unidirectional element between the common output terminal and a power supply terminal corresponding to the electrode of the other side to prevent a reverse current. CONSTITUTION:The pulse width moldulatingon signal is applied to the gates of  P and N channel enhancement type MOSFETs Q1 and Q2. The common-connected electrode of one side of the FETs Q1 and Q2 is connected to an LPF,  and the output of the LPF is supplied to a load RL. A reverse current preventing circuit containing resistances R1 and R2 connected in parallel to diodes D1  and D2 is provided between the electrode of the other side of FETs Q1 and Q2   and an power supplies -VCC and -VCC respectively. The diodes D1 and D2 use  a Schottky barrier diode respectively. Then the backward current produced in an ON period of the FETs Q1 and Q2 is supplied to the diodes D1 and D2. As a result, the nonlinear distortion due to a voltage drop of an output pulse is prevented to improve the distortion factor.
Patent JP-H10205626-A (JP)
Title: Non-contact seal structure for rotary shaft
Inventor: MATSUURA YASUMARO
IPC: F16J15/447
Filed: 1997-01-20
Abstract: PROBLEM TO BE SOLVED: To provide a non-contact seal structure excellent in a sealing action during high-speed rotation, and prevent the ingress of a fluid even during stoppage or low-speed rotation. SOLUTION: This seal structure is formed out of an outer ring 30 and an inner ring 20 positioned between a rotary shaft 4 and a housing 5, and the sides of the rings 30 and 20 faced to each other are gradually tapered over an area from a part to contain a fluid toward a part to be sealed. At the same time, both rings 30 and 20 are respectively formed to have axial irregularities, so that the irregularities come to gear with each other.
Patent JP-H04240531-A (JP)
Title: Electronic clinical thermometer
Inventor: YAMAUCHI MINEO
IPC: G01K7/42
Filed: 1991-01-25
Abstract: PURPOSE:To improve the measuring accuracy without elongating the measuring time as compared with that of the current thermometer. CONSTITUTION:This electronic clinical thermometer consists of a first temperature sensor 1 which measures the temperature rising from ordinary temperatures, a second temperature sensor 2 which measures the temperature falling from heated high temperatures, a heater 3 which heats the second temperature sensor 2 before the body temperature is measured, a thermal insulator 4 which thermally shuts the first, second temperature sensors 1, 2 and the heater 3, a control device 8 which determines the method, and obtains a measuring value by mixing the measured values of the rising and falling temperatures with a fixed rate, and a display device 10 for indicating the measured value.
Patent JP-H07214731-A (JP)
Title: Laminated film for packaging
Inventor: YAZAKI TAKAO
IPC: B65D65/40
Filed: 1994-01-27
Abstract: PURPOSE:To obtain a stretch packaging, film having proper slip properties and self-adhesiveness, excellent in transparency and heat resistance and having proper gas permeability by laminating an ethylenic copolymer having a specific compsn. to the single surface or both surfaces of a specific copolymer resin layer. CONSTITUTION:A packaging laminated film is obtained by laminating a layer (A) composed of an ethylenic copolymer resin consisting of 60 95wt.% of ethylene and 40-5wt.% of a monomer selected from vinyl acetate, alkyl ester of aliphatic unsaturated monocarboxylic acid and the like on the single surface or both surfaces of a polyoxyalkylene glycol/omega-laurolactam copolymer resin layer (B). The polyoxyalkylene glycol/omega-laurolactam copolymer resin has an m.p. of 145-175 deg., density of 1.00-1.03g/cm<3> and the modulus of elasticity of 800-3800kgf/cm<2>.
Patent JP-H02191535-A (JP)
Title: Agitator
Inventor: ITO AKIRA
IPC: B01F33/40
Filed: 1989-01-17
Abstract: PURPOSE:To perform efficient agitation by projecting agitation members on a rotary shaft and providing air passages to the insides of both the rotary shaft and the agitation members, boring air holes to one part of the agitation members, providing these air holes to the direction sides of inverse rotation of the agitation members and supplying air to the air passages. CONSTITUTION:Powder or liquid, etc., are agitated by rotatably driving a rotary fork 1 wherein the agitation members 12 are projected on a rotary shaft 11. Air passages are provided to the insides of the rotary shaft 11 and the agitation members 12. Further air holes 13 for injecting air supplied through the air passages are bored to one part of the agitation members 12. The air holes 13 are provided to the direction sides of inverse agitation of the agitation members 12. Furthermore air is supplied to the air passages by an air supply source 8. As a result, powder or liquid, etc., is efficiently agitated. Heating, drying, cooling and aeration thereof are efficiently performed.
Patent JP-S63177685-A (JP)
Title: Picture processing device
Inventor: MITA YOSHINOBU
IPC: H04N1/387
Filed: 1987-01-19
Abstract: PURPOSE:To efficiently perform a color conversion processing by converting plural specified colors, included in an inputted picture signal, or the color, resembling those, into the predetermined color. CONSTITUTION:Three colored color separation signals, read out by a picture inputting device 1, are inputted to the first-the fourth prior color judgement circuits 2-5. The circuits 2-5 perform a comparison with the predetermined specified color respectively, and only outputs J1-J4, which are judged to be approximately the same color, are made to be 1. The outputs J1-J4 are inputted to selectors 6-9 as selection control signals, and according as the selection control signal is '1' or '0', the colors 1S1-4S1, for color-converting the specified color, or the colors 1S2-4S2, for masking the color other than the specified color, are selected. The selector 10 selects the output according to the output of a control part 24, and either the color conversion of a higher priority order, or the color conversion of the higher priority order in the area of the higher priority order and one of the eight values of color masks 1S1-4S2, are selected and outputted.
Patent JP-S61169717-A (JP)
Title: Indicator
Inventor: KOMATSU TADANORI
IPC: G01D7/00
Filed: 1985-01-22
Abstract: PURPOSE:To enable confirmation of multiple pieces of information without moving the point of view, by displaying multiple pieces of information in a specified space separate from each other. CONSTITUTION:A combination of numerals and graduations thereof indicating speed fixed photosentively and a combination of numerals and graduations thereof indicating revolutions of the engine done so are provided on the surface of a hologram 1. The combination are so arranged that the relief level from the surface of the hologram 1 differs from each other varies with the projection from a regenerated illumination source 2. A pointer 3 for speed indication and a pointer 4 for a tachometer is fastened on a double drive shafts 5 coaxially with each other, as examplified by the relationship of long and short hands of a timepiece and turned according to changes in the speed and revolutions. These pointers 3 and 4 are so positioned as to turn on the same plane as the one corresponding to the relief levels. As a regenerative illumination source 2 is lighted simultaneously with the start of an automobile, the speed display graduations 6 and speed display numerals 7 and revolution-number display graduations 8 and revolution-number indicating numerals 9 are displayed as individual relieved image in pairs on the plane.
Patent JP-H09192088-A (JP)
Title: Endoscope apparatus
Inventor: NOMURA TADAKUNI
IPC: A61B1/04
Filed: 1996-01-22
Abstract: PROBLEM TO BE SOLVED: To implement individual countermeasures efficiently by combining an antistatic measure and an EMC countermeasure. SOLUTION: In a case body 30 of a light source unit or the like in an endoscope apparatus, connectors 31a and 31b to be connected to other peripheral devices are arranged exposed outside. The connectors 31a and 31b are connected to connection connectors 33a and 33b on a circuit board 32 composing an electronic circuit 37 within the apparatus through harnesses 34a and 34b. Antistatic measure parts 35a and 35b and EMC countermeasure parts 36a and 36b are connected sequentially to an input/output part of the circuit board 32 connected to the connectors 31a and 31b in proximity to the connection connectors 33a and 33b as output/input terminal.
Patent JP-H06291537-A (JP)
Title: Expanded antenna reflector and expansion method therefor
Inventor: ERUZUWAASU BII MIRAA
IPC: H01Q1/28
Filed: 1994-01-28
Abstract: PURPOSE: To obtain solid reflecting planes at the time of expansion and also to keep a parabolic shape in a long time. CONSTITUTION: A taper edge has long tapered petal bodies 20 that is made a hinged connection to a top ring 22. The ring 22 is connected to a center disk 26 that is located under it, and the disk 26 are covered with the bodies 20 with them closed. The disk 26 is connected up to the ring 22 through a screw jack 28, and the bodies 20 are moved outward from its closed state to its expanded state when the disk 26 rises up to just under the ring 22. With an expanded state, a reflecting plane becomes a solid parabolic plane. A nested support is connected to the bottom of bodies 20 to adjust the direction of the reflector 10. The support is located out of the parabolically central axis that is formed by the expanded reflector 10.
Patent JP-S56105794-A (JP)
Title: Water treatment method by granular solid alkali material
Inventor: SATOU HIROSHI
IPC: C01F11/02
Filed: 1980-01-28
Abstract: PURPOSE: To produce insoluble salt, remove and collect it, and also obtain transparent treated water, by making raw water containing phosphoric acid or heavy metal ion pass through the granular solid alkali material containing calcium oxide and calcium carbonate.  
     CONSTITUTION: The packed column 1 is packed with the granular solid alkali material consisting of a binding material such as calcium oxide, calcium carbonate and alumina, etc. Raw water containing a substance for producing insoluble salt by calcium oxide, for example, a model phosphoric acid or heavy metal ion, etc., is fed into the packed column 1 from the raw water tank 3, and it is treated. Subsequently, it is fed into the sedimentation tank 5, the greater part of the produced insoluble salt is sedimented, and this sediment is discharged from the sludge discharge port 7. A liquid containing a part of sediment is fed into the filter column 2, is filtered, and it is discharged as transparent treated water from the treated water discharge port 6. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S63176265-A (JP)
Title: Semiconductor wafer protecting member
Inventor: HAYASHI KENJIRO
IPC: C09J7/02
Filed: 1987-01-17
Abstract: PURPOSE:To defoliate carrier tape easily with adhesive tape left, by adhering a carrier tape with less adhesive force to the circuit pattern surface of a semiconductor wafer through a flexible adhesive film with a greater adhesive force. CONSTITUTION:A flexible adhesive film 3 in the condition that it bears a carrier tape 2 on its back, is affixed to the circuit pattern surface of a semiconductor wafer 4. A pressure-sensitive adhesive layer 2b is formed on a supporting base material 2a of the carrier tape 2, while a pressure-sensitive adhesive layer 3b formed on a supporting base material 3a of the adhesive film 3, wherein the adhesive force of the layer 3b shall be greater than that of the layer 2b. The semiconductor wafer 4 is passed through two roller couples 6, and the carrier tape 2 and the adhesive film 3 forming a protective member 1 are put in pressure contact with the pattern surface of the semiconductor wafer 4. When the film 3 passes the downstream roller couple 6, the carrier tape 2 is defoliated and cut into a specified length by a cutter C, and the rear of the wafer 4 is ground. Thereby even wafer having pattern with great unevenness can be well protected.
Patent JP-H05198319-A (JP)
Title: Photoelectric air secondary battery
Inventor: AKUTO TAKAHARU
IPC: H01M14/00
Filed: 1992-01-21
Abstract: PURPOSE:To obtain a battery having a high density of energy, in which a charger is eliminated to save the energy, by using oxygen in the air as an energy source to perform the charge and the discharge. CONSTITUTION:Bend of an energy band, which is formed by dipping a N-type semiconductive photoelectrode in the electrolyte, is used to convert the optical energy to the electrochemical energy and enable the charge. Practically, a battery case 28 is formed into a square box shape, and one surface thereof is provided with the light receiving surface 28a made of the permeable material, and the opposite surface thereof is provided with multiple air holes 30. A positive electrode 21 is provided on the surface 28b side formed with the air holes 30, and a negative electrode 22 is provided between the positive electrode 21 and a photoelectrode 23, and a space between the positive electrode 21 and the negative electrode 22 is filled with the liquid electrolyte 24 made of permeable glass fiber. At this stage, as a positive electrode 23, the porous oxygen catalyst carrying porous carbon Pt or Pd is used, and as a photoelectrode 23, a N-type semiconductor such as GaP, GaAs is used. A potential level of the lower end of a conductive band of the photoelectrode 23 is thereby made lower than the oxidation-reduction potential of the negative electrode active material.
Patent JP-H01186731-A (JP)
Title: Manufacture of secondary electron multiplier
Inventor: NOMURA AKIYOSHI
IPC: H01J43/24
Filed: 1988-01-19
Abstract: PURPOSE:To enable obtaining a secondary electron multiplier of high efficiency by increasing the resistance value of a secondary electron emission layer on the inner surface of a through-hole continuously from an electron incident side to an electron emission side. CONSTITUTION:Printing is made with a paste comprising a secondary electron emission material of such resistance values as getting higher in turn in such a way that the resistance value of a printed secondary electron emission layer is higher in the second sheet film 15 than in the first sheet film 12, thereby obtaining an integrated sheet film. Furthermore, sheets 12 to 14 and 16 comprising only the secondary electron emission material layers formed to a pattern after separation of an organic base film 11 from the aforesaid sheet film are laminated and pressed by a plural number according to the predetermined order in a direction for continuous increase or decrease in resistance value, with the position of through-hole 15 properly aligned. Then, heat treatment for de- binding and high temperature baking for sintering are applied thereto. According to the aforesaid construction, it is possible to obtain a secondary electron emission multiplier of high efficiency with the inner wall of the through-hole 15 having continuous resistance value distribution.
Patent JP-S55102240-A (JP)
Title: Manufacture of semiconductor device
Inventor: GOTOU HIDETO
IPC: H01L21/316
Filed: 1979-01-29
Abstract: PURPOSE: To obtain an Si-gate-type MOSFET at a high yield rate by eliminating the problems in forming an SiO 2  mask for Si 3 N 4  film etching in the conventional manufacturing method and the cracking in the Si 3 N 4  film at the time of oxidation.  
     CONSTITUTION: Opening holes 104 and 105 are made in a gate oxide film 103 in p-type Si substrate 101, a poly Si 106 of phosphorus dope is stacked, oxidation is performed, thereby an SiO 2  film 107 is made. Then, Si 3 N 4  films 109W111 are fromed by covering with the Si 3 N 4  film, and performing selective etching. Thereafter, the poly Si 106 is transformed into SiO 2  112 by wet oxidation, and mutually separated poly Si layers 113 are formed. During this period, n-layers 116 and 117 are formed by diffusing phosphorus from poly Si 113 and 115 through holes 104 and 105, and shallow n-layers 118 and 119 are formed through the gate film. Then, the Si 3 N 4  film 110 is selectively removed. After the poly Si 114 is transformed into SiO 2  120, the Si 3 N 4  films 109 and 111 are removed, the SiO 2  film 107 is etched out, Al wirings 130 and 131 are provided, thereby the work is accomplished. In this method, the conventional defects can be eliminated, and the device having no wiring breakdown can be obtained at a high yield rate. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H10204232-A (JP)
Title: Polypropylene resin composition
Inventor: KAMINAKA MANABU
IPC: C08K5/521
Filed: 1997-01-22
Abstract: PROBLEM TO BE SOLVED: To obtain a resin composition excellent in transparency and stiffness, and free from the adhesion of dirt to a forming machine during a forming process. SOLUTION: This polypropylene resin composition is composed of 100 pts.wt. of a propylene-ethylene-butene-1 three dimensional copolymer obtained by the random polymerization of propylene, ethylene and butene-1 in the presence of a catalyst composed of (A) a solid titanium compound which contains magnesium, titanium and a halogen as essential components, (B) an organo aluminum compound and (C) t-butyl(ethyl)dimethoxysilane, and 0.05-0.5 pts.wt. of a nucleating agent such as a dibenzylidenesorbitol-based nucleating agent.
Patent JP-S62168664-A (JP)
Title: Injection nozzle for molten solder
Inventor: KABE ATSUSHI
IPC: H05K3/34
Filed: 1986-01-20
Abstract: PURPOSE:To improve the soldering performance by making the upper end of one side plate for guiding a molten solder lower than the upper end of the other side plate, and also providing an outside plate for obstructing a contact of the molten solder and air. CONSTITUTION:In side plates 45, 46 in the longitudinal direction of an injection nozzle 18, the upper end 46a of one side plate 46 is formed so as to be lower than the upper end 45a of the other side plate 45, also an outside plate 51 is provided on the outside of the side plate 46, and between the side plate 46 and the outside plate 51, a passage 53 through which a surplus molten solder 8 can drop down without contacting the air is formed. The solder 8 which has been fed by pressure to a buffer tank 9 by an operation of a pressure pump 15 provided with a spiral screw 23 is injected from an injection nozzle 18, soldering is executed, and the surplus solder 8 is returned to a reservoir tank 10 without contacting the air. Accordingly, the generation of solder residue caused by oxidation is suppressed, and the soldering performance is improved.
Patent JP-S5394829-A (JP)
Title: Optical information recorder
Inventor: TSUTSUMI TERUO
IPC: G06K15/00
Filed: 1977-01-31
Abstract: PURPOSE: To eliminate the damage due to the contact for the sensitive drum, etc. by securing a sufficient contact between the sensitive drum and the scanning surface of an optical fiber tube, and thus to secure a high-sensitivity and high-contrast recording through a simple constitution. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H05198965-A (JP)
Title: Semiconductor device
Inventor: KITAMURA SHIGERU
IPC: H01L23/40
Filed: 1992-01-22
Abstract: PURPOSE:To prevent a drop in the cooling efficiency of the title device and to make the device small-sized as a whole by a method wherein a shielding member is laid between a heat-generating component and a radiating fin in such a way that radiant heat from the heat-generating component is not conducted to the radiating fin. CONSTITUTION:A semiconductor device 40 is mounted at the base part of a radiating fin 10; heat-generating components 20 such as resistances or the like are arranged in positions in the fin extension direction of the radiating fin 10. A shielding member 30 is installed between the radiating fin 10 and the heat-generating components 20. Thereby, it is reduced that radiant heat from the heat-generating components 20 is conducted to the radiating fib 10, and it is sufficient that the radiating fib 10 has a size required to cool only the semiconductor element 40. When the heat-generating components 20 or a board 15 are fixed to and installed at the side of the radiating fin 10 via a spacer, it is made extremely small that heat is conducted to the radiating fin 10 directly from the heat-generating components 20 or via the board 15 on which the heat- generating components 20 have been mounted, and the cooling efficiency of the title device can be enhanced.
Patent JP-S60154943-A (JP)
Title: Slip preventer through frozen pavement coarsening
Inventor: KANBARA SHIYUU
IPC: B60T8/172
Filed: 1984-01-24
Abstract: PURPOSE:To exhibit effect of footbrake by setting a system for interlocking between the footbrake and pavement coarsening member thereby coarsening the frozen pavement and preventing slippage of tyre. CONSTITUTION:A roller 1 is fixed to the leading edge of a rod 3 rotatable around a fulcrum 2 to be lifted through an air-cylinder 4. Changeover valve 8 will function such that an air tank 5 and air cylinder 4 will be communicated through an interlocking valve 7 or directly. Teeth projections 41 are provided on the entire surface of roller 1 and upon stepping of footbrake while switching said valve 8, the cylinder 4 will function through the valve 7 to rotate the rod 3 downward around the fulcrum 2 thus to pressure contact the roller 1 against the tyre grounding face.
Patent JP-S5395131-A (JP)
Title: Removing method for scale of steel
Inventor: ITOU SUKEMITSU
IPC: B21B45/04
Filed: 1977-01-31
Abstract: PURPOSE: To easily remove scale from the surfaces of wire or belt-shaped, longsized steel products and obtain steel products with excellent surface properties by using mechanical and electrolytic removing processes in combination. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S63177220-A (JP)
Title: Auxiliary memory control device
Inventor: TAKACHIHO KATSUTOSHI
IPC: G06F3/06
Filed: 1987-01-19
Abstract: PURPOSE:To eliminate the increase of the re-access time by obtaining the data address and the number of remaining records of an error state via an address control table and recording them in a state register for restart of an access in case an error is detected with the access data. CONSTITUTION:If an error is detected with the access data, this error is displayed on a state register 109 and an interruption signal is sent to a CPU CC2. The CC2 detects the interruption signal and recognizes the error owing to a face that the register 109 and a state register 105 have no error display nor end display respectively. Then the CC2 sends a read record address instruction. A memory 3 reads said address instruction to interpret it and obtains the present address and the number of remaining sectors by means of an address control program 113 and an address control table 111 to transfer them to the register 109 and then to a peripheral bus 7. Then the memory 3 sends the information to the CC2. The CC2 records these received address and the number of sectors into an address register 101 of an auxiliary memory control device 1' and sets a read data instruction at an instruction register 100.
Patent JP-H09192400-A (JP)
Title: Electric iron
Inventor: KOBAYASHI SHINICHIRO
IPC: D06F75/26
Filed: 1996-01-24
Abstract: PROBLEM TO BE SOLVED: To accomplish a higher thermal response of an overheat preventer by structuring a smoothing electric iron without placing an insulator between an overheat preventer and a base ironing face plate. SOLUTION: An overheat preventer 13 with a built-in reversing bimental is connected in series to a circuit of a heater 11 to heat a base 12. The overheat preventer 13 is held by a wiring table 20 made of an insulating material which is so installed on the base 12 that a heat sensor-part of the overheat preventer 13 stays contact with the base 12.