baber/WOPTO huggingface dataset:
Patent JP-H09231675-A (JP)
Title: Disk driving device
Inventor: TAKAHASHI TATSUYUKI
IPC: G11B19/20
Filed: 1996-02-27
Abstract: PROBLEM TO BE SOLVED: To surely perform the centering of a chucking pulley and to attain the miniaturization. SOLUTION: A turntable 6 is fixed to a rotary shaft 16 of a spindle motor 8, and a projecting part 20 for centering the disk 18 is formed at the center of the turntable 6. A recessed part 28 is formed at the center on the lower surface of the chucking pulley 4 and the diameter thereof is made slightly longer than the outside diameter of the projecting part 20. When the disk 18 is mounted on the turntable 6, the disk 18 is arranged on the turntable 6 in the state such as a hole of the center is fitted through the projecting part 20, and the chucking pulley 4 is engaged with the upper end part of the projecting part 20. Since the recessed part 28 of the chucking pulley 4 is fitted to the upper end part of the projecting part at this time, the chucking pulley 4 is mounted on the projecting part 20 without becoming the eccentric state.  A magnet 30 of the chucking pulley 4 is attracted to a chucking yoke 26 of the projecting part 20, thus, the disk 18 is fixed to the turntable 6.
Patent JP-S52150988-A (JP)
Title: Production of photoelectric element device
Inventor: AKIYAMA KATSUHIKO
IPC: G09F9/30
Filed: 1976-06-10
Abstract: PURPOSE: To achieve the reduction in size and the increase in volume production by forming at least two electrode patterns of copper on a substrate such as glass, selectively forming photosensitive resin thereon, accommodating and soldering a photoelectric element pellet on one of the electrode patterns and coating conductive paint between this pellet and other electrode pattern across the resin. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H07281491-A (JP)
Title: Color image forming device
Inventor: MATSUOKA ISAO
IPC: G03G15/01
Filed: 1994-04-05
Abstract: PURPOSE:To provide a high-quality color image forming device by eliminating the fluctuation of the rotational speed of a photoreceptor. CONSTITUTION:The photoreceptor 4 is proximately provided with a cleaning means 9 to remove toner or the like on the surface by the action of the cleaning means 9. Besides, the photoreceptor 4 is connected to a driving means 16 and driven rotalatively through a rotary shaft 12. A speed detection means 13 is connected to the shaft 12 and a control circuit 14 is connected to the detection means 13. Besides, a driving circuit 15 or the like is connected to the driving means. When the rotational speed of the photoreceptor 4 is fluctuated by the action of the cleaning means 9, the fluctuation of the speed is transmitted to the control circuit 14 by the detection means 13. By the control circuit 14, the cancellation speed for canceling the fluctuation of the speed is decided and transmitted to the driving circuit 15. By the driving circuit 15, the driving means 16 is controlled based on an cancellation speed signal from the control circuit 14 and the fluctuation of the speed is eliminated.
Patent JP-H09234337-A (JP)
Title: Purification of harmful gas
Inventor: OTSUKA KENJI
IPC: B01D53/86
Filed: 1996-02-29
Abstract: PROBLEM TO BE SOLVED: To rapidly and efficiently purify a large amt. of harmful gas at the normal temp. by bringing gas containing halogen gas as a harmful component into contact with a purifying agent obtained by adding sodium formate to metal oxide based on copper oxide and manganese oxide. SOLUTION: A purifying agent is adapted to the purification of harmful gas contained in exhaust gas discharged from a semiconductor process. As harmful gas to be purified, nitrogen, argon, helium, halogen gas such as fluorine, chlorine, bromine, iodine or chlorine trifluoride, hydrogen halide such as hydrogen fluoride or hydrogen chloride and halide gas such as boron trifluoride are designated. The purifying agent obtained by adding sodium formate to metal oxide is used. As metal oxide, copper oxide and manganese oxide are contained as main components. The content of copper oxide and manganese oxide is usually 60wt.% or more in total and the wt. ratio of manganese oxide to copper oxide is usually set to 1:(0.2-5.0).
Patent JP-S62224443-A (JP)
Title: Grinding device
Inventor: OTSUKA HIROSHI
IPC: B22C5/00
Filed: 1986-03-25
Abstract: PURPOSE:To permit efficient grinding of molding sand, etc., while agitating the same under a high pressure by fitting plural pieces of vane units fixed with >= N-sheets of approximately sectorial plane vanes so as to incline with each other around a cylindrical body having a square section to a revolving shaft in a cylindrical vessel and rotating the same. CONSTITUTION:The vane units which are fixed respectively with the vanes 3 so as to incline each sheet in the directions opposite from each other on the opposite outside surfaces of the cylindrical body having the square section are fitted to the revolving shaft 7 provided in the cylindrical vessel 2. Pulp is thrown by each adequate amt. through a throwing port 10 into the cylinder 2, the vanes 3 of which are rotated by a motor 16. The pulp thrown into the cylinder is then gradually fed toward a discharge port 11 side by the rotation of the vanes 3. The vanes 3 are so provided as to provide the disk shape having substantially no spaces when viewed from the central axis direction of the cylinder 2. The sand is, therefore, agitated thoroughly and uniformly between the vanes and the vanes and the slime and impurities sticking to the surfaces of the sand are removed.
Patent JP-S62277171-A (JP)
Inventor: HANSU BEERU
IPC: B05B5/04
Filed: 1987-03-19
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-H05157078-A (JP)
Title: Vacuum pump
Inventor: KAMIYA KOICHI
IPC: F04B35/04
Filed: 1991-03-07
Abstract: PURPOSE:To carry out suction and discharge of a fluid without reciprocation, and to reduce the power loss, the weight, and the size by fitting two pistons into an annular cylinder, and by guiding the pistons through two magnets to move them in the cylinder in the fixed direction. CONSTITUTION:While a piston 21 fitted into an annular cylinder 10 is stopped at a first point 14 by a first electromagnet 41, and when another piston 22 passes an inlet port 12, and guided to a second point 15 in the direction indicated by an arrow, by a first magnet 31, air (gas) is taken in from an inlet port 12 into the space between the pistons 12 and 22. While the piston 22 is reaching the point 15, compressed air is discharged from a discharge port 13, and when the piston 22 reaches the point 15, a second electromagnet 42 is magnetized, and the piston 22 is separated from the magnet 31, and is stopped at the point 15. Each magnet 31, 32 reaches each point 14, 15 thereafter, and when each of electromagnet 41, 42 is demagnetized, each of piston 21, 22 is guided by each magnet 31, 32.
Patent JP-S543439-A (JP)
Title: Chip selection control system
Inventor: YAMAMURA TOORU
IPC: G06F12/06
Filed: 1977-06-10
Abstract: PURPOSE:To reduce the number of the processes for production of the mask as well as to secure a facilitated control, by performing the selection designation for the chip through designation of the ROM code and constituting the chip selection control circuit with the same circuit.
Patent JP-S56163756-A (JP)
Title: Regenerating method of metal oxide catalyst containing antimony
Inventor: SASAKI TOMU
IPC: C07B61/00
Filed: 1980-05-23
Abstract: PURPOSE: To regenerate catalysts easily on an industrial level by adding ammonia water to the metaloxide catalysts contg. antimony of degraded activity then firing the same in a nonreducing atmosphere.  
     CONSTITUTION: When the activity of the metal oxide catalysts contg. iron, etc., vanadium, etc., tellurium, and antimony having been used for oxidation reaction of hydrocarbons, ammonia, etc. degraded, first ammonia water corresponding to their pore volume is added. Thence, after they are dried, they are fired in a nonreducing atmosphere of oxygen or the like at 550W950°C, whereby they are regenerated. In this way, the catalysts are regenerated on an industrial level under case conditions and simple operation without any secondary pollution. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S60209728-A (JP)
Title: Screen
Inventor: MORIYA HIROMU
IPC: G03B21/62
Filed: 1984-04-03
Abstract: PURPOSE:To obtain a projection image optionally settable in size with good quality which has no break by integrating numbers of small screen pieces in a plane and thus forming a reverse surface projection type screen. CONSTITUTION:The projection image from a projector 1 is converted by a Fresnel lens 6 into parallel projection light 2b, which is incident on a convex lens 4. This incident beam is made into convergent light 2c divided along optical axes of numbers of convex lenses 4 fitted to a fitting frame 3 in contact and in a plane while respective grating squares are covered with grating crosspieces and the light 2c reaches a concave lens 4. The light is made by this concave lens 4a into a diffused light beam 2d, which reaches screen components 5a. The screen components 5a are fitted to the fitting frame 3 in contact and in a plane while the grating squares are covered with grating crosspieces, and an image formation layer 5b is formed on its front surface; and the diffused light beam 2d arriving there is diffused by this layer to form the projection image.
Patent JP-S57184410-A (JP)
Title: Filter for exhaust gas
Inventor: MATSUMOTO SHINICHI
IPC: C04B41/87
Filed: 1981-05-06
Abstract: PURPOSE: To enhance mechanical strength of a ceramic filter by forming a ceramic skin layer to the side surface of the ceramic exhaust gas filter with a foamed base material being used in an internal combustion engine.  
     CONSTITUTION: As a base material, a plastic porous substance is used and the shape thereof is a cylindrical shape or a elliptic column like shape and is not limited especially. As ceramics, alumina, cordierite or a mixture thereof are used and obtained by mixing talc or clay as a general stock material and, when used, formed into a slurry by mixing the same with water. In a method for forming a skin layer to the side surface of the base material, only the side surface thereof may be coated by various methods such as a brush coating method or the like. By this method, the whole side surface is uniformly coated and the skin layer with constant thickness is formed. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H04281940-A (JP)
Title: Wall section forming member
Inventor: YANO SHINOBU
IPC: E04B1/343
Filed: 1991-03-06
Abstract: PURPOSE:To form easily a wall section of a house, etc., in a free area and a free shape. CONSTITUTION:Wall section forming members are such that a side is connected to the next side to each other to erect, and approximately circular projection threads 20 having a cross sectional shape provided with a longer circumference than a semi-circle are provided to one side 1a of a post-like wood 1. Wall section forming members B for forming a plane-shaped wall section and a curved wall section providing approximately circular grooves 21 having a cross sectional shape provided with a longer circumference than a semi-circle are provided to the other side 1b opposed to one side 1a, or a wall section forming member C for forming a comer section providing approximately circular grooves 21 is formed on a side at a right angle to one side 1a providing the projection threads 20.
Patent JP-S644205-A (JP)
Title: Capillary tube filter apparatus for sterilizing liquid medium
Inventor: BERUNTO MATEIYUU
IPC: A61M1/34
Filed: 1988-03-22
Abstract: PURPOSE: To make it possible to easily carry out the test of perfectness without the infiltration of bacteria by arranging two capillary fiber bundles in a tubular housing and sealing these fiber bundles in such a manner that the first capillary fiber bundle flows only to a second distributing chamber and the second capillary fiber bundle only to a first distributing chamber. CONSTITUTION: The two capillary fiber bundles 4, 5 are inserted into the tubular housing 1 and a sealing material is sealed at their both ends to form sealing layer 6, 7. These sealing layer are partly disconnected to open the respective capillaries. The respective opposite sides of the two fiber bundles 4, 5 are each sealed by the sealing material and, thereafter, end cases 2, 2a are mounted at the housing 1. The media to be filtered are supplied from a connecting pipe joint 3 into the distributing chamber 8 and are advanced into the fiber bundle 5. A first filtration stage is executed outward from the inner side of the capillary membranes. Next, the media of a first filter chamber 10 is advanced to the inner side from the outer side of the fiber bundle 4 and is subjected to a second filtration stage. The media are discharged through the distributing chamber 9.
Patent JP-S57182753-A (JP)
Title: Magnetic toner
Inventor: KATOU SHIGEO
IPC: G03G9/08
Filed: 1981-05-06
Abstract: PURPOSE:To obtain a toner which is electrically charged uniformly and intensively in positive charge and are not affected with durability, temp. and temp. change. CONSTITUTION:Magnetic powder is dispersed in water added with a aziridine compound, stirred, filtered and dried to obtain the treated powder. The powder is kneaded with a binder resin and an electric charge controlling agent and a coloring agent if necessary and the keaded materials are cooled and reduced to fine powder to manufacture magnetic toners. A treatment may be performed by adding the aziridine compound by the necessary amount at the same time when the binder resin, dyes and pigments and untreated magnetic powder besides the above-mentioned materials are mixed and heat-fused. As an aziridine compound, an aziridine or its polymer, ethyleneimine, propyleneimine, styreneimine, polyethyleneimine, polypropyleneimine, butyleneimine and cyclohexeneimine or the like are used.
Patent JP-S54158445-A (JP)
Title: Sintering of photosensitive resin
Inventor: SADAMORI MASAAKI
IPC: H01L21/027
Filed: 1978-06-05
Abstract: PURPOSE: To sinter a substrate wafer coated with a photosensitive resin uniformly without being affected by the open air, by covering the surrounding of the substrate with an inert gas heated through reflux in the hot plates.  
     CONSTITUTION: The substrate wafer 2 coated with the resist 2a is transferred by air bearings from the conveyance part 1a to the sintering surface 3a previously heated up to the given temperature and put on the surface 3a. An inert gas, e.g., nitrogen gas, heated by reflux through the pipe 3C in a hot plate is jetted from the nozzles 3b focing each other and the sourrounding of the wafer 2, particularly the top surface, is covered with the gas layer 3d and 3e. The substrate wafer 2 is isolated completely from the open air by the inert gas layer heated as high as the hot plate 3 and good sintering can be carried out for given hours. After sintering, the wafer 2 is transferred from the sintering surface of the hot plate 3 to the conveyance part 1b of the next step by the air bearing. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H09315815-A (JP)
Title: Fluorite and optical article using the same and exposing device for photolithography
Inventor: OOBA TEN
IPC: G02B1/00
Filed: 1997-03-21
Abstract: PROBLEM TO BE SOLVED: To obtain a fluorite hardly deteriorated in transmissivity characteristic even at the time of repeating the irradiation with a short wave high output light for a long period by purifying it to have the content of lanthanum and yttrium to that equal to or below a specific value. SOLUTION: This fluorite has >=70% transmissivity to the light of 135nm wave length, contains lanthanum (La) and yttrium (Y), the lanthanum content is <=1ppm and the yttrium content is <=10ppm. The fluorite further contains preferably at least one selected from strontium, aluminum, silicon, magnesium. The adequate content is 1-600ppm of Sr, 1-50ppm of Al, 1-50ppm of Si, 1-10ppm of Mg. In the fluorite, etch pit density may be controlled to <=10<4> .
Patent JP-H05269299-A (JP)
Title: Iron board
IPC: D06F81/08
Filed: 1992-03-26
Abstract: PURPOSE:To provide an iron board which permits easy iron application. CONSTITUTION:An iron board is equipped with a working board 1 having ventilation performance, a fan 9, a motor 8 for driving the fan 9, a mist injector 11, and a water tank 12 for supplying water to the mist injector 11, and the mist atomized by the mist injector 11 is supplied to a clothes, etc., through the working board 1 by the fan 9.
Patent JP-S62228228-A (JP)
Title: Method for preventing turbidity of decocted tea solution
Inventor: SASAKI TAIJI
IPC: A23F3/16
Filed: 1986-03-27
Abstract: PURPOSE:To obtain a transparent decocted solution of tea without changing taste and fragrance of tea, by adding maltotriose to a decocted solution of tea. CONSTITUTION:100pts.wt. decocted solution of tea is blended with preferably 0.5-20pts.wt. maltotriose to prevent turbidity of decocted tea solution.
Patent JP-S63234316-A (JP)
Title: Exclusive control system for table storage
Inventor: MOMOSE HARUO
IPC: G06F12/00
Filed: 1987-03-23
Abstract: PURPOSE:To reduce the load for each control function by storing the control information in the form of a table and controlling the head of the table as a flag so that the conflict is solved to the same table for each function. CONSTITUTION:A table storage control circuit 24 sets the flags allocated to the head bit of each corresponding table of a table storage 20 at '1' and '0' in response to the test/set reservation flag and the reset reservation flag received for each function based on an instruction of a bit control means 25 in terms of plural function units divided into each function as well as the control function unit of an input/output controller consisting of the combination of control function units which control the control information obtained by an input/output instruction and give the processing instructions for each function unit. Based on said flags, each function unit performs the exclusive control by itself to the same table of the table storage 20 with no control of a processor 18. Thus, the table conflict is avoided and therefore the load of the processor 18 is reduced for each control function.
Patent JP-S58185563-A (JP)
Title: N-benzoyl-n'-phenylurea and insecticide containing the same
Inventor: HAGA TAKAHIRO
IPC: C07D213/74
Filed: 1982-04-23
Abstract: NEW MATERIAL:An N-benzoyl-N'-phenylurea of formula I (X, Y are halogen, alkyl, alkoxy, trifluoromethyl, alkenyl, cyano, carboxy, alkoxycarbonyl; Z is halogen, trifluoromethyl; R is alkyl, acyl, alkenyl; l, m, n are 0, 1, 2). EXAMPLE:N-( 2-chlorobenzoyl )- N' -{ 3-chloro-4-[ N-( 5-trifluoromethyl-2-pyridyl)- N-pivaroylamino]phenyl}urea. USE:Insectcide: especially it is effective in combatting harmful insects. PREPARATION:The reaction of benzoyl isocyanate of formula II with an anline of formula III is conducted in a solvent such as benzene, toluene or water at 0-120 deg.C to give the compound of formula I .
Patent JP-S57184853-A (JP)
Title: Solar heat utilization system
Inventor: KUNIMOTO KEIJIROU
IPC: F24S90/00
Filed: 1981-05-06
Abstract: PURPOSE:To accelerate the temperature rise of heat transfer medium and enhance the utilization efficiency of heat by a method wherein the heat collection and heat radiation of each of a plurality of heat accumulators are controlled independently. CONSTITUTION:A primary circuit 1 consists of a solar heat collecor connected with heat exchangers 8-10 of respective primary circuits 2-4 in series by means of a pipe 11. The primary circuits 2-4 respectively consist of the heat accumulators 12, 15 and 18 respectively and independently connected with the heat exchangers 8-10 by means of respective pipes 14, 17 and 20. The heat accumulators 12, 15 and 18 are connected through respective valves 34, 36 and 38 in parallel with a heat operating unit 21. The order of priority of said heat accumulators 12, 15 and 18 is determined in the order as written here and the heat collection is started at the heat accumulator 12 with the highest priority. When the temperature of heat transfer medium of the heat accumulator 12 attains to the temperature capable for cooling, the heat collection is changed-over to the heat accumulator 15. Further, when the temperature of heat transfer medium of the heat accumulator 15 attains to the temperature capable for cooling, the heat collection is changed-over to the heat accumulator 18. Stillmore, when each of the accumulators 12, 15 and 18 attains to the temperature capable for cooling respectively, valves 34, 36 and 38 are open respectively in order to supply heat by means of a pump 32 to the heat operating unit 21.
Patent JP-S54159203-A (JP)
Title: Audio magnetic recording tape
Inventor: SUZUKI MASAAKI
IPC: G11B5/73
Filed: 1978-06-07
Abstract: PURPOSE:To improve modulating noise at the recording and reproducing by providing the magnetic layer comprising dispersing ferromagnetic alloy powder in a  binder, on a non-magnetic flexible film-form substrate of the specified surface roughness. CONSTITUTION:The magnetic layer 2 of thicknesses 2 to 8 mum which comprises dispersing about 75 to 90 wt% of ferromagnetic alloy powder in a binder and which has residual magnetic flux densities of about 2500 to 4000 gauss in the tape running direction is provided on the surface 3 of the non-magnetic flexible film-form substrate 1 whose thickness is about 4 to 32 mum, whose surface roughness at above length 10 mm in the tape running direction has the maximum value at frequency components below 100 Hz when spectrum-analyzed by the formula (f is frequency Hz; v is the relative moving speed of magnetic head and tape mm/sec.; lambda is the wavelength of the direction where the tape moves relatively mm) and which is 0.1 mu or under in the maximum value of its surface roughness at frequency components of 20 to 100 Hz. The roughness of the surface 4 of the layer 2 is preferably 0.1 mum or under.
Patent JP-H09265631-A (JP)
Title: Optical disk medium and optical disk device
Inventor: NAKANE KAZUHIKO
IPC: G11B7/24091
Filed: 1996-03-25
Abstract: PROBLEM TO BE SOLVED: To easily and accurately perform the detection and correction of a tracking error by making an address value of an address corresponding to a recording sector one to one in a single spiral land/groove recording format and recording address information displaced reversely in the radial direction in an identification signal. SOLUTION: In the SS-L/G formatted disk, 1st address information and 2nd address information, showing a recording sector of a groove part and a recording sector of a land part in a part of the identification signal are arranged to be displaced by the same amt. of a fixed value in the radial direction from the center of the groove part and in the counter-radial direction respectively, so that the address and the recording sector correspond to each other one to one, irrespective of a position of the address value in the groove part or the land part, thus deciding the address uniquely. Then, by imparting monotonous increase or monotoneous decrease in order of standing in the recording spiral line to the address of the recording sector, irrespective of its position in the groove part or the land part, address calculation is simplified, and hence control can be facilitated.