baber/WOPTO huggingface dataset:
Patent JP-H05116914-A (JP)
Title: Method and device for producing superpure nitrogen
Inventor: RUISU JIYAN
IPC: B01D53/02
Filed: 1991-04-19
Abstract: PURPOSE: To prepare ultra-pure nitrogen by adding a process for removing CO 2  and H 2 O from nitrogen gas or air to be distilled.  
     CONSTITUTION: A method for preparing ultra-pure nitrogen containing impurities less than 100 ppb (parts per billion) is characterized by substantially removing at least one of two components to be removed from air containing at least carbon monoxide (CO) and/or hydrogen (H2) impurities through a bed formed by supporting the particles of at least one metallic element selected from copper(Cu)/ruthenium(Ru)/rhodium (Rh)/palladium(Pd)/osmium(Os)/iridium(Ir)/platinum(Pt) on a support consisting of a particulate material having a high surface area by the technique of ion exchange and/or impregnation. 
     COPYRIGHT: (C)1993,JPO
Patent JP-S63252906-A (JP)
Title: Inner pipe pressurizing type device for purifying hydrogen
Inventor: YOSHIDA HIROSHI
IPC: C01B3/50
Filed: 1987-04-10
Abstract: PURPOSE:To improve separation and recovery efficiencies and reduce occurrence of trouble, by providing Pd alloy membrane pipes and a means for absorbing expansion and contraction of the pipes, etc., and enable pressure feeding of a treated gas into the interior of the pipes. CONSTITUTION:This inner pipe pressurizing type device for purifying hydrogen is formed from a vessel outer cylinder 2 equipped with an equalizing vessel 9, Pd alloy membrane pipes 5, a means 7 for leading a gas permeated to the outside of the pipes 5 to the outside of the above-mentioned outer cylinder 2, a means 6 for discharging the uppermeated gas to the outside of the aforementioned outer cylinder 2 and means 12 for absorbing expansion and contraction. The above-mentioned Pd alloy membrane pipes 5 are provided so as to flow hydrogen isotopic Gas (Ga), containing impurities and introduced into the interior of the aforementioned outer cylinder through the interior thereof. The above-mentioned means 12 for absorbing expansion and contraction are provided on the aforementioned outer cylinder 2 and vessel 9 to absorb the expansion and contraction of the above-mentioned Pd alloy membrane pipes 5.
Patent JP-S61246271-A (JP)
Title: Water-based pigment ink for writing utensil
Inventor: TAKAHASHI HIROSHI
IPC: C09D11/16
Filed: 1985-04-24
Abstract: PURPOSE:To provide an ink having improved dispersion stability and drying resistance, by blending a pigment, a water-soluble amine salt or ammonium salt of a copolymer, a water-soluble org. solvent and water. CONSTITUTION:The titled ink is formed from pref. 5-20wt% pigment (a), 0.5-3.0wt% water-soluble amine salt, ammonium salt or metal salt (b) of a copolymer composed of a hydrophilic addition-polymerizable monomer and styrene and/or a styrene derivative, 15-35wt% water-soluble org-solvent (c) and water (d), each quantity being based on the entire quantity of ink. Examples of the hydrophilic addition-polymerizable monomers are acrylic acid, methacrylic acid and maleic acid. Examples of the styrene derivatives are alpha-methylstyrene and alpha-ethylstyrene. Examples of the solvents are glycols, glycol ethers and glycerol.
Patent JP-H0672719-A (JP)
Title: Preparation of needle-like gamma-iron (iii) oxide
Inventor: GIYUNTAA FUEETO
IPC: C01G49/06
Filed: 1993-04-15
Abstract: PURPOSE: To form acicular, ferrimagnetic γ iron (III) oxide by adding a specified amount of an Al ion based on an Fe (II) ion content in an aq. soln. to an Fe (II) salt aq. soln.  
     CONSTITUTION: After an alkali aq. soln. is added at 20-70°C to an Fe (II) salt such as FeCl 2  aq. soln. containing 500-7,000 ppm Al ion based on an Fe (II) ion to make the aq. soln. in pH 4.0-5.8, further, the alkali is added and air is blown under agitation to oxidize the Fe (II) salt and to form a nucleus of iron (III) oxidehydroxide. After the completion of a growth of the nucleus, a hydrolyzable Sn compd. aq. soln. such as SnCl 2  and then, a decomposable org. compd. such as olive oil are added and mixed in a prescribed amount. After the completion of the reaction, a suspension soln. is filtered, washed and dried at 160-190°C to obtain the iron (III) oxidehydroxide particles doped with the Al having 0.3-0.8 μm average particle size. Thereafter, the particles are reduced at 280-500°C in a hydrogen stream to obtain a magnetic iron ore and then, the ore is oxidized at 200-380°C in an oxygen-containing gas to obtain the acicular, ferrimagnetic γ iron (III) oxide. 
     COPYRIGHT: (C)1994,JPO
Patent JP-S5713877-A (JP)
Title: Video signal compensator
Inventor: KASAHARA AKIHIKO
IPC: H04N9/455
Filed: 1980-06-27
Abstract: PURPOSE:To simplify and miniaturize a device for phase control by supplying a different criteria to one variable gain circuit synchronizing with an input signal of the color TV. CONSTITUTION:A synchronizing-signal separating circuit 9 separates a synchronizing signal from an input color TV signal (a). On the basis of this synchronizing signal, a pulse generating circuit 11 generates a driving pulse for a burst gate signal generating circuit 13. This circuit 13 generates and supplies a burst gate signal (b) to a changeover circuit 8. During the color burst signal period of the signal (a), the circuit 8 is connected to the side of a burst level circuit 7 by the signal (b) and a level criterion generated by the circuit 7 is supplied to the control input of the circuit 3 to adjust the level of the signal (b) automatically. In any period other than that of the signal (b), the circuit 8 is connected to the side of a video level circuit 6 and a level criterion generated by the circuit 6 is supplied to the control input of the circuit 3 to adjust the level of a video signal automatically.
Patent JP-S5423442-A (JP)
Title: Output process system for electronic control unit at abnormal time
Inventor: HONNA TAKAO
IPC: G06F11/00
Filed: 1977-07-25
Abstract: PURPOSE: To minimize the negative effect to the controlled apparatus by securing the affection of the abnormal signal led out from various abnormal detecting parts. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H10283090-A (JP)
Title: Microcomputer
Inventor: KUBO KENJI
IPC: G06F1/30
Filed: 1997-04-07
Abstract: PROBLEM TO BE SOLVED: To fix the voltage level of output signals and to prevent the malfunction of an external device by supplying an inputted reference voltage as the power supply of an output circuit for outputting control signals from a microcomputer to the outside. SOLUTION: An input voltage VDD inputted from the input terminal 101 of this microcomputer 100 is supplied to the respective parts of the microcomputer 100 like a CPU 110 as the power supply. In the meantime, the reference voltage VREF for an A/D converter 140 is inputted from a reference voltage input terminal 103, supplied to the A/D converter 140 as the reference voltage and supplied to the output circuit 130 as the power supply. In this case, since the reference voltage VREF supplied from the reference voltage input terminal 103 is a stabilized voltage and is a system different from a power supply voltage VDD supplied to the CPU 110, a fixed voltage is supplied without being affected by the fluctuation of a load inside the circuit of the microcomputer 100 or the like.
Patent JP-S58206658-A (JP)
Title: Preparation of reinforced acetylene high polymer having improved mechanical strength
Inventor: KOBAYASHI MASAO
IPC: B29C33/00
Filed: 1982-05-27
Abstract: PURPOSE:To obtain an acetylene high polymer having uniform film thickness and improved mechanical strength, by subjecting a composition consisting of powdery or fine pieces of an acetylene high polymer, a porous material, and an organic solvent to press or calender processing. CONSTITUTION:A composition consisting of (A) 100pts.wt. powdery (<=0.2cm average particle diameter) or fine pieces (<=2cm length) of an acetylene high polymer, preferably one having fibrous crystalline, (B) 10-300pts.wt., preferably 30-200pts.wt. porous material such as plastic, metal, ceramic, etc, and (C) 0- 500pts.wt., preferably 20-200pts.wt. organic solvent such as aliphatic or aromatic hydrocarbon, etc. is subjected to press or calender processing at <=200 deg.C at >=100kg/cm<2>. A process wherein acetylene is polymerized in a catalytic solution containing porous material, and the polymer is processed in a state to contain the organic solvent, a process wherein the acetylene high polymer in a gel state is crushed mechanically, piled on the porous material, and processed, etc. may be applied.
Patent JP-S58206857-A (JP)
Title: Carburetor
Inventor: SATOU YOUICHI
IPC: F02M19/06
Filed: 1982-05-27
Abstract: PURPOSE:To facilitate manufacturing and assembling of a carburetor, by a method wherein a suction air duct is constituted with an inner cylinder forming a venturi on its internal surface and an outer cylinder surrounding the inner cylinder and part of a duct is provided on an outer circumferential surface of a venturi part. CONSTITUTION:This carburetor 10 is provided with a float chamber 12 whose upper opening part is blocked by a cover 16 and a float 14 is supported in overhang state within the float chamber 12. On one side of the cover 16 is provided with a fuel supply pipe, a pipe body 30 protruding downward is provided on its central part and the lower end of the pipe body 30 is connected with an adjusting valve device 31. Although the cover 16 is installed on an external cylinder 20 in which a main body 18 of a suction air duct having a venturi 17 is fitted, the main body 18 of the suction air duct is formed by providing a groove 46 connecting with an opening 43 of a low speed fuel pipe 36 and its edge is provided with an opening 48 for injecting low speed fuel to the edge, a thin groove 50 connecting with an air duct 34 and its edge is provided with an air duct 34 and its edge is provided with a suction air leading opening 51 and a thin groove 52 connecting with an air vent opening 29 on an external circumferential wall 44.
Patent JP-S62244171-A (JP)
Title: Transistor
Inventor: OMUKAE TAKESHI
IPC: H01L29/72
Filed: 1986-04-17
Abstract: PURPOSE:To form an inexpensive transistor having preferably surge resistance by forming a one conductivity type diode layer to be superposed with a base region, and forming a Zener diode of the diode layer and an epitaxial layer. CONSTITUTION:At lease one conductivity type high impurity density semiconductor substrate 1, one conductivity type epitaxial layer 2 operating substantially as a collector formed on the substrate 1, a reverse conductivity type low impurity density base region 3 formed on the layer 2, a reverse conductivity type high impurity density base contact region 4 superposed at least on the end of the region 3, and a mesh emitter region 5 formed on the region 3 are provided. One conductivity type diode layer 7 to be superposed on the region 3 is formed in such a transistor to form a Zener diode with the layer 7 and the layer 2.
Patent JP-H04322999-A (JP)
Title: Punch die
Inventor: MIZUGUCHI MASAFUMI
IPC: B26F1/02
Filed: 1991-04-22
Abstract: PURPOSE:To provide the above punch die which prevents antisticking powder from being maldistributed or partially omitted on a molding obtained when this desired formed molding is punched out of a ceramic green sheet spread with the antisticking powder on the top. CONSTITUTION:A notch 22 being equal in size to a molding 42 being punched separating as long as a distance (q) equal to a punch pitch (p) rearward in the transfer direction of a ceramic green sheet 40 in relation to a punch inserting hole 21, or larger than it is installed in a stripper 20. A punch 30 is formed into such a tubular form as having both vertical ends opened, and an inner part of the punch 30 is formed so as to make air flowable. The green sheet 40 put down on a die 10 is pressed and clamped by the stripper 20, and then the molding 42 is punched out of this green sheet 40.
Patent JP-S59214958-A (JP)
Title: Method for collecting fault information
Inventor: HOSHINO MASAYUKI
IPC: G06F11/07
Filed: 1983-05-23
Abstract: PURPOSE:To detect fault rapidly in details by collecting the fault information of a microprocessor disabled by the generation of the fault from another microprocessor. CONSTITUTION:When a fault is generated in a microprocessor system I , the contents of the fault and the status at the generation of the fault are stored in an error register 2. A microprocessor system II sends an address signal for selecting the error register 2 to a decoder circuit 8 by using the error registers 2, 5 and an information line. The contents of the error register 2 are transmitted on the information line 6 and stored in the error register 5. The microprocessor system II sends the collected fault information to a host device 12 through an I/O port 11.
Patent JP-H11289011-A (JP)
Title: Low-relative-dielectric constant insulating film, formation thereof, and interlayer insulating film
Inventor: IIJIMA MASAYUKI
IPC: B32B27/00
Filed: 1998-04-02
Abstract: PROBLEM TO BE SOLVED: To provide a low-relative-dielectric constant insulating film which can have stable characteristics, a high adhesion to a metallic wiring layer and a high resistance to plasma, and can be suitably used as an interlayer insulating film. SOLUTION: The low-relative-dielectric constant insulating film includes a semiconductor substrate 21, an aromatic polyimide film 25 formed on the substrate 21 and containing a predetermined amount of fluorine, and inorganic insulating films 24A and 24B having a thickness of 1/10 or less (100 nm or less) of a thickness of the polyimide film 25 and formed on both surfaces of the film 25 as closely adhered thereto. The inorganic insulating films contain one or more selected from a group of SiO2 , Si3 N4 and glass.
Patent JP-H10285464-A (JP)
Title: Photoelectric conversion device
Inventor: UMIBE NORIYUKI
IPC: H04N5/376
Filed: 1997-04-08
Abstract: PROBLEM TO BE SOLVED: To obtain a photoelectric converter with high sensitivity and less noise by isolating a reference potential of a photoelectric conversion section from a reference potential of a control section in terms of AC. SOLUTION: A plurality of photoelectric conversion elements are arranged in two-dimensions on insulating sensor boards 101, 201. Two sets of photoelectric conversion sections are configured by the sensor boards 103, 203, drive detection circuits 102, 202 and wiring groups 103, 203. The two sets of the photoelectric conversion sections are controlled by a control section 3. The control section 3 is connected to drive detection circuits 102, 202 via AC isolation signal transmission sections 105, 205. The AC isolation signal transmission sections 105, 205 have the functions of transmission of power of a power supply and various signals and isolating each potential of the control section 3 and the drive detection circuits 102, 202, especially isolating the reference potential in terms of AC.
Patent JP-H11263972-A (JP)
Title: Grouting material for improving ground
Inventor: ARAI NORIHIKO
IPC: E21D9/06
Filed: 1998-03-18
Abstract: PROBLEM TO BE SOLVED: To obtain the subject grouting material capable of promoting the setting and hardening of a cement, facilitating the regulation of the gelation time, increasing the strength of a consolidated material and effectively utilizing wastes by mixing a specific rapid hardening baked material with a gypsum and an alkali carbonate in a specific proportion. SOLUTION: This grouting material contains (A) a rapid hardening baked material obtained by using a municipal refuse incinerated ash or a sewage sludge incinerated ash as a raw material [e.g. a material containing 10-40 wt.% of an aluminum compound which is C11 A7 CaCl2 , C11 A7 CaF2 or C3 A and a compound which is C2 S or C3 S prepared by baking a sewage sludge dried powder obtained by mixing shells or a sewage sludge with quick lime at 1,200-1,500 deg.C temperature and pulverizing the resultant clinker], (B) a gypsum in an amount of 5-50 pts.wt. based on 100 pts.wt. of the rapid hardening baked material, (C) an alkali carbonate in an amount of 0.5-30 pts.wt. based on 100 pts.wt. of the rapid hardening baked material A and, as necessary, further (D) a setting retarder (e.g. citric acid) in an amount of <=5 pts.wt. based on 100 pts.wt. of the rapid hardening baked material A.
Patent JP-H07293836-A (JP)
Title: Burner device, reduced in generation of nitrogen oxide
Inventor: SHIGESUMI TSUKASA
IPC: F23D14/08
Filed: 1994-04-27
Abstract: PURPOSE:To restrain the generation of NOx by effecting stabilized thin fuel combustion by a burner device. CONSTITUTION:A thick fuel combustion section R and a thin fuel combustion section L can be formed by a method wherein first and second flame ports 13, 15 are connected by communication with the inflow ports of mixture or upper and lower mixture introducing ports through first and second mixture passages 11, 12 so as to be capable of supplying mixture, having different air- fuel ratio, to first and second flame port units 14, 16. Burner units 7, in which the thin fuel combustion section L is formed on the first flame port unit 14 and the thick fuel combustion section R is formed on the second flame port unit 16, are provided in parallel with a space, utilized as a secondary air passage. Further, the inside of a gas manifold 9 is partitioned by a bulkhead into upper and lower gas manifolds while upper and lower fuel nozzles, communicating respectively with respective gas manifolds, are positioned respectively at the upper and lower mixture introducing ports.
Patent JP-S62246900-A (JP)
Title: Gaas single crystal substrate and its production
Inventor: YAMANAKA HIDEKI
IPC: C30B33/00
Filed: 1986-04-18
Abstract: PURPOSE:To obtain a GaAs single crystal which is preliminarily incorporated with excessive Ga only on the surface layer of the GaAs water by subjecting the surface of the wafer formed by cutting out the same from a GaAs single crystal ingot and polishing the cut crystal to a heat treatment while the Ga film is held attached thereto. CONSTITUTION:The surface of the wafer formed by cutting the wafer out of the GaAs single crystal ingot produced to contain the excessive Ga or to have a stoichiometric compsn. and subjecting the wafer to the polishing stage is subjected to the heat treatment while the film of Ga is held attached thereto, by which the Ga is diffused into the wafer and the objective single crystal substrate is obtd. The heat treatment temp. and heat treatment time in the above-mentioned method determine the internal diffusion quantity and internal infiltration depth of the Ga and are the most important factors. The heat treatment temp. is preferably fixed at 800-900 deg.C which is the heat treatment temp. after ion implantation. The depth of the Ga excess layer is, therefore, determined by the heat treatment time.
Patent JP-H01261516-A (JP)
Title: Retainer for ball bearing
Inventor: YOSHIHARA TOSHIRO
IPC: F16C33/38
Filed: 1988-04-12
Abstract: PURPOSE:To suppress the noise of a cage and grating sound and elongate a bearing life by making the pocket surface of a cage being a spherical surface having a curvature center on the pitch circle of a ball, changing the thickness of the cage between the inward and outward pitch circles, and forming the circumferential portion into a spindle shape. CONSTITUTION:The vertical cross section of each pocket of cages 10 with thickness (T) is made into a spherical surface which is almost the same shape of a ball 3 with radius (R), its radius of curvature R1 is made equal to the ball radius (R) plus the gap C1, its curvature center 01 is set on the ball pitch circle PC, and the thickness T1 on the outer side of the pitch circle PC is made longer than the thickness T2 on the inner side. The pocket cross section shape in the direction along with the circle of the cage 10 is also composed of a pair of arcs, which have the same diameter and are curved in the opposite direction each other and placed face to face symmetrically, and it is formed into a spindle-like shape longer in the circle direction while shorter in the axial direction. Idle vibration of the cage is thus suppressed and its noise is lowered and grating sound as well is suppressed due to sufficient lubrication, resulting in a long service life of the bearing.
Patent JP-S5315273-A (JP)
Title: Forming method for transparent thin film of oxide
Inventor: SONODA TOMIYA
IPC: C23C14/08
Filed: 1976-07-29
Abstract: PURPOSE:To form the film of thickness above 500Angstrom  without exposing the object to be evaporated to a high temperature and also without receiving the impact of electrons and ions, by holding the pressure of O2 in the vacuum tank within the specified range and evaporating Al, Mg, In or rare earth metals on the object to be evaporated while controlling the vaporization rate.
Patent JP-2000286625-A (JP)
Title: High frequency glass antenna for automobile
Inventor: IGAWA KOJI
IPC: H01Q1/32
Filed: 1999-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a high frequency glass antenna which is used for an automobile and can attain communication in a high frequency band by setting a main antenna conductor and a secondary antenna conductor over a window glass plate of the automobile and forming a dielectric film at a part or the entire part of a capacitance coupling part of both main and secondary antenna conductors. SOLUTION: A feeding point 3, a main antenna conductor 1 which is extended from the point 3 and a secondary antenna conductor 2 which is capacitively connected to the conductor 1 are set on a window glass plate 5 of an automobile. A dielectric film 6 is formed over a part or the entire part of the capacitance coupling part of both conductors 1 and 2. It is desirable to set the length X4 of the film 6 formed at the nearly parallel parts of both conductors 1 and 2 at 10% or more of the length (L1-L3) of the parallel parts. As a result, the total length of this high frequency glass antenna can be reduced down to half the conventional length or less. Thus, the size of the antenna can be reduced and also the transmitting/receiving characteristic of the antenna can be improved.
Patent JP-H08283055-A (JP)
Title: Inorganic plate and production therefore
Inventor: WATANABE HIROSHI
IPC: C04B28/02
Filed: 1995-04-14
Abstract: PURPOSE: To enhance incombustibility, resistance to frost damage and adhesiveness by molding a molding material consisting of cement, aggregate, a fiber component and a specific incombustibility improver. CONSTITUTION: A molding material prepared by compounding cement, aggregate and a fiber component is compounded with 0.2-5.0wt.% flaked iron oxide having 10-100μm diameter, as an incombustibility improver, mixed with water, kneaded and then molded.
Patent JP-S61249129-A (JP)
Title: Input device
Inventor: SUKIGARA AKIHIKO
IPC: H03M11/00
Filed: 1985-04-27
Abstract: PURPOSE:To reduce the burden of a CPU a main body to input keys efficiently by providing a transmitting means to which open/close information is inputted through a key matrix, and from which an encoded open/close code is transmitted to a main processor. CONSTITUTION:A CPU 2 of the code transmitting means checks the current state of a cover of the device; and if the cover is opened, the CPU 2 discriminates whether a cover switch 3c is closed or not. If it is closed, it is granted that the switch 3c is switched from closing to opening, and a close code is stored in the beginning of a code buffer provided in the CPU 2. If the switch 3c is opened, the switch 3c is regarded as opened to terminate the con trol. If the cover is closed, the CPU 2 discriminates whether the switch 3c is opened or not. If it is opened, an open code is stored in the beginning of the code buffer; but if it is closed, the switch 3c is judged to be closed to termi nate the control.
Patent JP-H05254645-A (JP)
Title: Feeding device for article
IPC: B65G47/53
Filed: 1992-03-13
Abstract: PURPOSE:To keep the correct attitude for a main conveyor from a feeding conveyor and surely transfer a ported article. CONSTITUTION:A feeding conveyor 2 which crosses at a predetermined angle with and contacts a main conveyor 1 is arranged. Further, a taper roller 3 is arranged between the feeding conveyor 2 and the main conveyor 1, and the attitude control for an article G is performed.