baber/WOPTO huggingface dataset:
Patent JP-S56157032-A (JP)
Title: Manufacture of element having minute pattern
Inventor: ITOU MASAKI
IPC: G03F7/26
Filed: 1980-05-09
Abstract: PURPOSE:To enable to form a minute electrode pattern by a method wherein a positive resist layer provided on a substrate is so exposed as to form an unexposed region smaller than the unexposed region necessary for the element, and development is performed till a resist layer of this region is eliminated. CONSTITUTION:The positive resist layer 2 is provided on a substrate 1, and exposure is so performed as the unexposed region 33 smaller than the minimum region 32 to form the element is formed, and development is performed till the unexposed region 33 used as a dummy pattern is eliminated forming the region 32 in a reversed pedestal type. Accordingly when the minute pattern is to be formed, because finished time of development can be confirmed by the elimination of the dummy pattern, yield can be enhanced when the electrode pattern is to be formed by the lift off technique.
Patent JP-H07270703-A (JP)
Title: Optical device
Inventor: OMURA TAKESHI
IPC: G02B26/10
Filed: 1994-03-30
Abstract: PURPOSE:To provide a maser exposure optical device for an image forming device which is rotatable at a high-speed and is capable of providing high resolu tion images. CONSTITUTION:This optical device has an optical deflector having a deflecting reflection mirror 33 held on a supporting member 33a having a diameter Rmin satisfying the equation where the sectional diameter in the main scanning direction on respective reflection surfaces 33i to 33n is defined as (a), the radius of a circumcircle 33c circumscribing a regular polygon regulated by the respective reflection surfaces as R, the min. value of the radius of this circumcircle as Rmin, the number of the reflection surfaces as N, the angle formed by the non-effective region at the ends of the respective reflection surfaces and the connecting points of the respective reflection surfaces to each other as alpha, the incident angle when light is made incident on the centers of the respective reflection surfaces as thetai and the effective rotating angle of the respective reflection surfaces as theta, respectively.
Patent JP-S57177479-A (JP)
Title: Heat insulation valve
Inventor: NISHIMURA YOSHIMOTO
IPC: F16K49/00
Filed: 1981-04-24
Abstract: PURPOSE:To keep an internal flow path warm enough by forming a steam flow path on a valve body provided with a flow path and a valve, which communicates with a steam pipe connected with the valve body. CONSTITUTION:A support pin 19 with a screw is threaded on a bottom wall of valve body to form the pivot of a ball 3. An opening portion is disposed on the upper portion of a valve body 1. A cover 10 is secured by a bolt 11 and adapted to form a ground housing which pierces the cover 10 to be engaged with the ball 3 so as to rotate the ball 3 and seal a stem 12 for switching a connecting position between a flow path 3a and flow paths 7a, 7b, 7c. The ground housing is provided with a ground packing 13, which is secured to the cover 10 by a ground presser 14. A steam path is disposed on the valve body 1 in such a manner as to keep the flow path and the valve warm favorably.
Patent JP-H06256006-A (JP)
Title: Production of nitride powder
Inventor: SHINKO TAKASHI
IPC: C01B21/06
Filed: 1993-02-26
Abstract: PURPOSE:To inexpensively produce a large amount of metal nitride powder having about 1mum particle diameter suitable as a raw material for fine ceramics, magnetic toner and magnetic recording material. CONSTITUTION:Raw material powder comprising a metal, a metal oxide, a metal chloride, etc., and a spherular or cylindrical ground medium are put in a reactor of a rotary heating furnace and a nitriding gas is made to flow in the rector while rotating the reactor to carry out nitriding reaction. Since the raw material powder is simultaneously subjected to nitriding reaction and grinding and pulverizing action by the grinding medium, the raw material powder is forcedly released from sintering to readily give a large amount of metal nitride powder having about 1mum particle diameter.
Patent JP-S56159993-A (JP)
Title: Closed loop driving system of pulse motor
Inventor: OZAWA NOBUAKI
IPC: H02P8/00
Filed: 1980-05-09
Abstract: PURPOSE:To enable the normal operation to be continued even feedback pulses being delayed longer by a method wherein the feedback pulses are divided into different groups at intervals of one pulse and a delay time is measured. CONSTITUTION:A current from a driving power source DV is amplified at a driving amplifier DVA to cause the pulse motor PSM to be driven. A feedback pulse generating circuit PWF generator one feedback pulse at the inversion of an output pulse of a corder pulse generator EP. When the feedback pulses are generated at intervals longer than a reference period of time, a delay circuit DL delivers the feedback pulses left intact to an excitation phase changing-over circuit EPC. The feedback pulses are fed to the changing-over circuit EPC after the feedback pulses being delayed when being generated within the reference period of time. The feedback pulses are divided into the two groups at intervals of one pulse and the delay time is measured for the each groups.
Patent JP-H0713465-A (JP)
Title: Copying machine
Inventor: HAMAKAWA WATARU
IPC: B65H7/02
Filed: 1993-03-22
Abstract: PURPOSE:To easily select the copying paper of an optimum size and to reduce the consumption of the copying paper and simultaneously, the volume of copies made by means of copying by copying two pages of original on the copying paper of size twice as large as a suitable size selected by a document size and a copying magnification, so that two pages of original are placed side by side on the same surface. CONSTITUTION:The copying paper of the size twice as large as the suitable size selected by the original size and the copying magnification is used. An automatic document feeder 30 successively feeds the original OR2 and OR1 placed on an original tray 32 up to the front of a pinch roller 38, from the top. First, the original OR2 of the second page is carried onto an original platen 25 and positioned. The copy is made on the copying paper of the selected suitable size twice as large as that of a copied image and shown by the figure of COPY 1 and the half is blank. The copying paper is temporarily housed in a paper refeeding tray in a copying machine main body. Then, the original OR1 of the first page is fed and positioned, the copying paper is fed from the paper refeeding tray and the copy shown as the figure of COPY 2 can be obtained.
Patent JP-H10247839-A (JP)
Title: Tuning frequency variable filter
Inventor: AIDA TSUTOMU
IPC: H03J5/24
Filed: 1997-03-03
Abstract: PROBLEM TO BE SOLVED: To speed up switching speed, to set the withstand voltage of a capacitor to be low and to reduce the occurrence of distortion due to the application of the DC voltage of the capacitors by grounding both ends of the additional capacitors in terms of direct current, in spite of the on/off of pin diodes. SOLUTION: One end in respective choke coils L11 -Ln1 in a switch circuit it grounded, and a bias voltage VB is applied directly to the pin diodes D11 -Dn1 . When the tuning frequency of a filter is changed, the bias voltage VB is respectively given to a control voltage applying terminal, and the pin diodes D11 -Dn1 are turned on/off. This way, tuning frequency variable additional capacitors C1 -Cn are turned on/off, an additional capacitor value is changed and the tuning frequency is changed. When n-pieces of application terminals of control voltage VB is combined, the tuning frequency can be changed to 2<n> types. Thus, Dc charges are not accumulated in the capacitor C1 , and an unnecessary transient characteristic is eliminated.
Patent JP-S63227199-A (JP)
Title: Piezoelectric sounding body
Inventor: IKEDA TERUYUKI
IPC: H04R17/00
Filed: 1987-03-16
Abstract: PURPOSE:To obtain a sounding body high in sound pressure level by disposing a recessed part on the boundary of the fixed support part and the free part of the piezoelectric bimorph type sounding body or a free part adjacent thereto according to a dislocated boring and laminating. CONSTITUTION:Electrodes 13, 14 are respectively drawn to separate three directions on piezoelectric material green sheets 11, 12. A hole with diameter d=2Rpi/division number-gap (g) is opened on the position of a radius R on which a peripheral fixed body 15 is formed with 1/2P dislocated between the sheets 11, 12. On two upper and lower parts, the green sheet 21 having the hole with radius R is formed, laminated, temporarily fixed, a peeling film 31, a spacer 32 are laminated, pressed, integrated with the peripheral fixed body 15 to form the piezoelectric sounding body through removal of binder and burning. According to this constitution, the thickness of the sheet at the boundary part of a diaphragm part and the fixed body part is thinned substantially to one layer, the displacement in the diaphragm is large and the sounding body high in the sound pressure level is obtained.
Patent JP-H07268196-A (JP)
Title: Unsaturated polyester resin forming material
Inventor: SAWANO SHIN
IPC: C08K7/16
Filed: 1994-03-31
Abstract: PURPOSE:To obtain a molding material which maintains low shrinkage, low linear expansion and reduces the smell of the molded products due to temperature elevated by using the hollow type more than the ball type as a shrinkage- lowering agent and further adding glass fibers. CONSTITUTION:The molding material is obtained by adding (A), as a shrinkage- lowering agent, (i) 1 to 5wt.% of the ball type of saturated polyester, poly(vinyl acetate) and/or urethane oligomer and (ii) the hollow type of PS and/or PE in an amount more than that (i), further (B) glass fibers in which a urethane resin is used as a bundling agent.
Patent JP-S61222286-A (JP)
Title: Switch for current lead of superconducting coil
Inventor: HIRANO ATSUSHIROU
IPC: H01L39/02
Filed: 1985-03-28
Abstract: PURPOSE:To make evaporation of liquid helium small, by feeding and discharging gas in bellows, contacting and separating a movable contactor and a fixed contactor, thereby reducing contact resistance and reducing the intrusion of heat from a hot chamber. CONSTITUTION:A vacuum container 1 is constituted by a material having an excellent heat insulating characteristic, and intrusion of heat in a liquid helium container is prevented. A vacuum state is always maintaned in the vacuum container 1. Bellows 8 are filled with a helium gas atmosphere at an atmospheric pressure. The bellows 8 are under the contracted state. A movable contactor 13 and a fixed contactor 15 are separated, and a specified gap is maintained so that a thermally insulated state is obtained. When a current is inputted to a superconducting coil, helium gas is fed into the bellows 8 through a pipe 21 and pressure is applied. Then the bellows 8 are expanded, the contactors 13 and 15 are contacted and the superconducting coil is connected to an exciting power source. Since the contractors 13 and 15 are contacted and separated in the vacuum container 1, the heat insulating effect at the time of separation is excellent. Poor contact due to attachment of impurities on the contact surface can be eliminated.
Patent JP-H01274666-A (JP)
Title: Ac-dc converter
Inventor: ZEODORU MAIKERU HAINRITSUHI
IPC: H02M7/757
Filed: 1989-03-14
Abstract: PURPOSE: To minimize connection time by cutting off a main current by using a GTO device and at the same time forming a separate path for bypassing the energy of an inductance with another stationary switch. CONSTITUTION: A motor driving device is constituted of a stationary converter CM, a DC link DCL and an inverter INV. A thyristor TH8 is controlled by a line 101 and the GTO is controlled by a line 39, and also an auxiliary thyristor TH7 is gated. Further, the converter CNV is controlled by a current direction sensing circuit FDS, a mode selector SL and a control circuit CCC, and the inverter INV is controlled by a controller CNT, a PWM modulator PWM and an ignition circuit FCD. In the regeneration mode, a current path through a load MT, the auxiliary thyristor TH7 and the like is cut off, and the inertial current path of a reactor L1 is formed of another thyristor TH8 with commutation.
Patent JP-S55153644-A (JP)
Title: Closed forging press
Inventor: BETSUSHIYO MICHIO
IPC: B21J9/02
Filed: 1979-05-19
Abstract: PURPOSE: To relatively move punches in a fixed relation without working problems and any hindrance near the working area by securing the pistons which move cooperatively with rams to the respective rams for a pair of opposing punches and mutually connecting said both cylinders by the oil lines of a closed circuit.  
     CONSTITUTION: The clockwise turning of a crank 15 causes an upper die 8 to be pushed down by a press ram 11 and to contact closely with a lower die 9 and stop, thereby performing the primary working of a material 10. Until the crank 15 reaches the lower dead point from this, the working strokes of rams 1, 2 for punches take place. At the same time, the restraining relations by the closed circuit consisting of cylinders 5, 6 and oil lines 7, 7' generate with respect to these respective working strokes. If, for example, the diameter (d 1 ) of the pistons 3, 3 and the diameter (d 2 ) of the piston 4 are assumed to be 2d 1   2 =d 2   2 , the indenting sizes (l 1 ), (l 2 ) of the punches 1a, 2a are precisely equal and both are exactly equal in the indentation start point and indentation speed. If the relations of the diameters (d 1 ), (d 2 ) are changed, the difference of the sizes (l 1 ), (l 2 ) or indentation speeds is set. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H0199639-A (JP)
Title: Emulsifier for aqueous resin dispersion
Inventor: ICHIHARA AKINOBU
IPC: C09K23/14
Filed: 1988-03-16
Abstract: PURPOSE:To obtain the title emulsifier especially useful for the aq. emulsion polymerization of an ethylenic unsaturated monomer by incorporating a mixture contg. two kinds of phosphoric esters shown by a general formula into the emulsifier. CONSTITUTION:A mixture of the compds. shown by formulas I and II is incorpo rated to obtain an emulsifier for an aq. resin dispersion [R1 is a 8-30C alkyl, R2 is H or methyl, A is a 2-4C (substituted)alkylene, (n) is 0 or an integer of 1-200, and M is H, an alkali-metal atom., an alkanolamine residue, and NH4]. The obtained emulsifier is especially useful for the aq. emulsion polymeri zation of an ethylenic unsaturated monomer. Namely, the emulsifier is highly stable in emulsion polymerization, and the obtained emulsion has excellent mechanical stability, chemical stability, freezing stability, etc. In addition, the polymer film formed from the emulsion has excellent water resistance and adhesive property.
Patent JP-H02242892-A (JP)
Title: Antimicrobial water-soluble cutting oil
Inventor: NODA MASAHIRO
IPC: A01N43/36
Filed: 1989-03-16
Abstract: PURPOSE:To obtain the subject oil, containing an amine (derivative) of morpholine, etc., excellent especially in antimicrobial properties against yeasty fungi, suppressing occurrence of putrefying smell even in use thereof for a long period and sufficiently usable in a small amount. CONSTITUTION:The objective oil obtained by blending one or more amines selected from morpholine, piperidine, piperazine and pyrrolidine or an amine derivative having the above-mentioned amines in part of the structure in an amount of preferably 0.001-1wt.% in a coolant. Furthermore, N-(cyclopentenyl) morpholine, 4'-piperidinoacetophenone, N-(2-aminoethyl)piperazine, N-(2- hydroxyethyl)pyrrolidine, etc., are cited as examples of the aforementioned amine compounds.
Patent JP-H07272771-A (JP)
Title: Air-metal hydride secondary battery
Inventor: KAWASE TETSUYA
IPC: H01M12/08
Filed: 1994-03-31
Abstract: PURPOSE:To improve charging efficiency by providing a separator, difficult to permeate oxygen gas, between an MH electrode and the third electrode. CONSTITUTION:An electrode 2 is used as a positive electrode, and a hydrogen storage alloy electrode (MH electrode) 1 is used for charging, in a battery, to provide separators 3, 5, difficult to permeate oxygen gas, between the MH electrode 1 and the third electrode 4, of the battery. In these separators 3, 5, permeating oxygen gas between the MH electrode 1 and the third electrode 4 is limited. In addition to having character of limiting permeation of oxygen, having hydrophilic property and insulation and displaying high ion conductivity in an alkaline solution are preferable. Here is isolated between the MH electrode 1 and the third electrode 4 by a permeation difficult fine hole or non-porous or polymer film. Then oxygen gas, generated at charging time, is diffused into the separator 3, to react with hydrogen accumulated in the MH electrode 1, so as to suppress decreasing charging efficiency.
Patent JP-H04276575-A (JP)
Title: Driving system for antenna for program tracking
Inventor: IMAZATO YURIKA
IPC: G01S3/42
Filed: 1991-03-05
Abstract: PURPOSE:To surely track a tracking object adjacent to the peak of a main lobe again even in the case where the object has been captured by a side lobe when it is captured. CONSTITUTION:An antenna 7 is driven on the basis of forecast data 3 calculated in a forecast data operation circuit 2, swung along a circular search pattern in accordance with search data 11 in which a tracking object is obtained, a point at which a maximum receiving level 9 can be obtained from a receiving level 9 received at the time thereof and an antenna real angle 8 is found, and an instruction angle 6 for the antenna 7 is corrected by the angle at the time thereof. Next, the antenna 7 is successively moved to specified 5 points, a peak point is estimated from the receiving level 9 obtained at each point, and an instruction angle 6 is corrected in accordance with its estimation quantity further.
Patent JP-H01236722-A (JP)
Title: Ceramic resonator
Inventor: ONISHI MASAO
IPC: H03H9/17
Filed: 1988-03-16
Abstract: PURPOSE:To reduce the cost and to stabilize characteristics by leading out an electrode to an about center part of an insulating substrate and providing a piezoelectric element on this led-out electrode. CONSTITUTION:Electrodes 2, 3, 4, and 5 are provided on an insulating substrate 1, and electrodes 2 and 4 and electrodes 3 and 5 are connected through an electrode on the side face of the substrate 1. Leading-out electrodes 2a and 3a are led out to an about center of the substrate 1 from electrodes 2 and 3, and a proper gap 6 is provided between them. Electrodes 7a and 7b are provided on both faces of a piezoelectric element 7 which is used to obtain the resonance characteristic, and electrodes 2a and 7b and electrodes 3a and 7a are connected with a conductive adhesive. Thus, the number of parts is reduced to facilitate assembling. This resonator can be made into plane mounting parts and the element 7 is firmly and surely connected and fixed with an adhesive or the like.
Patent JP-S61222048-A (JP)
Title: Tape recorder
Inventor: SHIMADA HIROMICHI
IPC: G11B15/04
Filed: 1985-03-27
Abstract: PURPOSE:To eliminate the need for troublesome operation and to prevent accidental erasure for the already recorded part by discriminating the operating mode just before the mode is transited to the present reverse recording pause mode from an old-mode memory section and applying control that no mode change takes place when the old mode memory section shows the reverse recording paly mode. CONSTITUTION:When the running direction of a tape is in reversing direction and the stop mode is selected, and when the recording switch 11 is depressed, a recording pause command is inputted from an operation switch section 10 to a switch input section 61, the stop mode is stored in the old-mode memory section 42, the reverse recording mode is stored in the present mode memory section 41 and a control signal is outputted from a control output section 62 so that the reverse recording pause mode is obtained for the mechanism 20. In depressing a forward play switch 13, similarly, the control signal is outputted to bring the mechanism 20 into the forward recording play mode. In depressing the pause switch 12 at the reverse play mode, the control signal is outputted to bring the mechanism 20 into the reverse recording pause mode.
Patent JP-H04216794-A (JP)
Title: Blow-off door for ultraclean enclosing container
Inventor: DEIDEIEERU KURUU
IPC: B01L1/04
Filed: 1991-03-04
Abstract: PURPOSE: To allow the passage of an object from inside a first container to a second container by allowing a blowing door to prevent the atmosphere in the two containers from being polluted. CONSTITUTION: A blowing door 2 comprises an inlet 17 for a pressurized fluid and inner fluid chamber 15. At least one surface of the inner fluid chamber is ventilated by means of a filter provided between a surface 11 and the inner fluid chamber 15. Thus, the surface 11 contacting the outside air is ventilated while the door 2 is opened, and no polluting particles is brought into containers 4 and 5 during closure of the door 2. This is applicable to the treatment of silicon wafers or chips used in microelectronics.
Patent JP-S59190166-A (JP)
Title: Device for preventing swing of roving bobbin
Inventor: TSUSAKA YOSHINORI
IPC: B65H67/06
Filed: 1983-04-09
Abstract: PURPOSE:To prevent swing of a bobbin during transfer of the bobbin, by using frictional resistance between a regulating member, mounted in a manner to make contact with the side of the bobbin, and the bobbin side. CONSTITUTION:Engaging pieces 23a and 23b on the outer periphery of a toothed belt 24 receive a bobbin 12 fed through a bobbin shooter 28, and the long engaging piece 23a and the short engaging piece 23b are alternately disposed at intervals of a length approximately equal to the outer diameter of a flange part 12b of the top part of the bobbin 12. When a peg 2a on a truck 2 is conveyed to a position corresponding to a support rail 11, a bobbin supporting member 30, which is waiting in a condition to hang down and support the bobbin 12 fed through the bobbin shooter 28, is moved in a position facing the support rail 11. When this is detected, the belt 24 is moved by the interval at disposition of the engaging piece 23a, and the bobbin 12 is moved to a position B of a support part 11a of the rail 11. The side of the bobbin 12 makes contact with a bar 35, and friction resistance between the bobbin side and the bar 35 prevents the occurrence of swing along an advancing direction together with its lateral swing.
Patent JP-S60206940-A (JP)
Title: Noise-proof cover for internal-combustion engine
Inventor: KOJIMA NOBUO
IPC: G10K11/162
Filed: 1984-03-30
Abstract: PURPOSE:To reduce the weight and the cost by constructing the noise-proof cover for reducing the noise produced through driving of an internal-combustion engine with sound-absorbing member made by burning fiber mat of pressure mixed inorganic or organic fiber and molding into predetermined shape. CONSTITUTION:In an unit where an engine 10 is covered with a shroud 12 formed integrally together with the cylinder section 11, porous layer 13 having excellent sound-proof effect is employed at the inside while hard layer (tight layer) 14 having excellent sound-shield effect and rigidity is employed at the outside. When molding the sound-proof member constituting the shroud 12, inorganic or organic fibers such as long glass fiber, ceramic fiber, etc. are first cut down and mixed then roller press or needling is applied to produce a fiber mat. Then this mat is set into predetermined shape and burnt to produce a molded sound- proof member having porous layer at the inside and hard layer 14 at the outside.