baber/WOPTO huggingface dataset:
Patent JP-2001272944-A (JP)
Title: Driving circuit for plasma display panel
Inventor: OKAMURA TERUO
IPC: G09G3/296
Filed: 2000-03-23
Abstract: PROBLEM TO BE SOLVED: To disperse heat evolution of elements and also to suppress oppression of breakdown strength margins of components by absorbing spike voltages caused by counter electromotive force in coils and parasitic inductances. SOLUTION: Two circuits of sustaining driver circuits of a sustaining driver circuit 100 which controls potentials of a scanning electrode side and, also, which, when potentials of the scanning electrode side are power source potentials, performs the control for raising potentials of a sustaining electrode side by using the potentials and a sustaining driver circuit 101 which controls potentials of the sustaining electrode side and, also, which, when potentials of the sustaining electrode side are power source potentials, performs the control for raising potentials of the scanning electrode side by using the potentials are provided in this driving circuit and the control of potentials in which mutual potentials among sustaining electrodes and scanning electrodes are used is performed by taking partial charges by the two circuits of the sustaining drivers 100, 101 in accordance with directions of a flowing current.
Patent JP-2001272552-A (JP)
Title: Optical waveguide type diffraction grating
Inventor: SHIOZAKI MANABU
IPC: G02B6/122
Filed: 2000-03-24
Abstract: PROBLEM TO BE SOLVED: To provide an optical waveguide type diffraction grating capable of shortening an area where a refractive index modulation is formed and capable of flattening a refractive index in a reflected wavelength band. SOLUTION: In the optical waveguide type diffraction grating 10, the refractive index modulation is formed in a core area 11 in a fixed area in the longitudinal direction of the optical waveguide, the optical cycle of the refractive index modulation is substantially constant, the phase of the refractive index modulation is inverted using a phase inverting part as a boundary, and one or two phase inverting parts exist. Further, in the optical waveguide type diffraction grating 10, an absolute value of a parameter R (formula (22)) is below 0.25.
Patent JP-2001271409-A (JP)
Title: Repair method for flush toilet room
Inventor: SASAKI TAKAO
IPC: E03D11/13
Filed: 2000-03-27
Abstract: PROBLEM TO BE SOLVED: To solve the problems that time and labor are required to block an opening part formed at a place where an upper step part at a difference in steps on a floor slab in a toilet room is removed and much cost and time are required for remodeling work because the upper step part must be removed when the flush toilet room using a Japanese style stool is remodeled into a flush toilet room using a Western style stool. SOLUTION: In the remodeling work for replacing the Japanese style stool in the flush toilet room with the Western style stool, a backing plate is applied to a recessed part formed on a rear surface side of the upper step part from its lower side to block it, and then the upper step part on the floor slab is removed by chipping work. A plurality of angle members 17 having an overhanging piece 16 are fixed on a peripheral fringe of the opening part at the place where the upper step part is removed and a wall face of a wall body 9, and concrete 18 is placed in the opening part at the place where the floor slab is removed.  Then, a unit toilet pan 22 is provided by putting its leg bolt 23 at a predetermined position on the overhanging piece 16 and a top face of the floor slab, and concrete is spread on a face 19 on which concrete is placed to put and fix the Western style stool on the unit toilet pan.
Patent JP-2001272340-A (JP)
Title: Crystal defect evaluation method and apparatus
Inventor: TAKAHASHI ATSUSHI
IPC: G01N21/956
Filed: 2000-03-27
Abstract: PROBLEM TO BE SOLVED: To provide a method and a device for accurately measuring the shape, orientation and size of a crystal defects in a wafer or the like. SOLUTION: This crystal defect evaluation method makes laser light incident on a crystal and detects scattered light from the surface and the inside of the crystal. The crystal defect evaluation method and the device therefor use a data processing method considering a shape effect based on Rayleigh scattering.
Patent JP-2001270724-A (JP)
Title: Optical lens and metal mold for forming the same
Inventor: SHIMIZU YOSHIYUKI
IPC: B29C43/36
Filed: 2000-03-28
Abstract: PROBLEM TO BE SOLVED: To realize a metal mold for forming optical lens capable of stably producing optical leans with a high accuracy and to produce an optical lens without requiring polishing at a low cost. SOLUTION: In the metal mold, a top force 2A and a bottom force 1A brought into contact with a top and bottom end faces of a body mold 3 and having a flange part is prepared. A first optical effective face molding part 1a, an outer periphery regulation molding part 1b, an outer periphery play molding part 1c and an annular protruding part 1d for regulating the thickness are coaxially formed in a molding part of the bottom force 1A. A spherical optical lens material 4 is placed on the molding part of the bottom force 1A, the top forces 2A is inserted from the upper side of the body mold 3, the metal mold blocks are charged into a pressure molding machine, and through a preheating, a pressing and a cooling steps, the optical lens 5 to a prescribed shape is obtained.  Thereby, the tilt of the top and bottom forces 2A and 1A can further be reduced to produce the optical lens 5 good in optical performances.
Patent JP-2001271891-A (JP)
Title: Worm gear and motor-driven power steering using the same
Inventor: INAGUMA YOSHIHARU
IPC: B62D5/24
Filed: 2000-03-28
Abstract: PROBLEM TO BE SOLVED: To enlarge a range of transmitting driving force through two wheel tooth parts in a worm gear using a multiple double-lead worm, and a motor- driven power steering, using the worm gear. SOLUTION: The motor-driven power steering is composed of the worm gear, comprising a worm wheel 30 connected to a steering shaft 15, and a double-lead worm 20 having a plurality of worm tooth parts 21, 22 meshed with wheel tooth parts 31 of the worm wheel 30, and an electric motor 13 for rotating driving the worm 20. In the worm 20, the worm tooth parts of the same shape are arranged, shifted only in the axial direction so that the same dimensional shaped ones are continuously and alternately arranged by the number of the worm tooth parts in the cross section of the respective worm tooth parts on a plane, including the center axis of the worm, and the cross section of a tooth space between them.
Patent JP-2001284125-A (JP)
Title: Planar magnetic device
Inventor: FUKUDA YASUTAKA
IPC: H01F30/00
Filed: 2000-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a planar magnetic device which is thin and superior in magnetic properties and used for a transformer or the like, utilized in a small electronic apparatus. SOLUTION: A planar magnetic device is equipped with two ferrite magnetic films 11 and 19, each being made through wet method or a method in which ferrite magnetic powder is fixed together with a resin binder and two electroplated plane coils 13 and 18 which are stacked up in the direction of thickness through the intermediary of an insulating layer.
Patent JP-2001277094-A (JP)
Title: Honing machine
Inventor: TAMEMIZU TAKESHI
IPC: B24B33/02
Filed: 2000-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a honing machine on which a smooth oscillation is applied to a main shaft without giving the main shaft excess force and moment while the velocity and the amplitude being easily changeable, so as to improve the characteristic of the honing machine, that is, processing accuracy and efficiency are sensitive to the velocity and the amplitude applied to the main shaft. SOLUTION: In this honing machine which pivotally supports slidably and rotatably a main shaft on which a tool for honing processing a processing hole of a work is mounted at the tip on a main head slidably installed on the main body, a link member is set up in a swingable way on the main head around an oscillating axis square to the main shaft, and the main shaft and the link member are connected in the vicinity of the main shaft in such a condition that they are relatively ratable with regulating a relative move in the main shaft axis direction and are relatively movable in a direction at right angle to the main shaft axis, so that the main head is provided with an oscillation imparting device which applies an oscillation to the link member.
Patent JP-2001275891-A (JP)
Title: Toilet lighting system
Inventor: TANIMURA YOSHIYUKI
IPC: H05B37/02
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a comfortable toilet space illumination according to a user's taste with an easily worked lighting system with good appearance. SOLUTION: A toilet facility in a toilet room is provided with a controller, a sensor, and wiring of the lighting system. The controller controls illumination so as to be suitable for the user based on an input from the sensor or an operation part.
Patent JP-2001283542-A (JP)
Title: Linear actuator
Inventor: WATANABE HITOSHI
IPC: G11B21/02
Filed: 2000-03-31
Abstract: PROBLEM TO BE SOLVED: To provide a linear actuator with which a good thrust response characteristic may be obtained and a cost reduction may be achieved in a material cost and manufacturing cost. SOLUTION: The linear actuator is constituted to have a head carriage 14 which is mounted with a magnetic head 16 via a suspension 15 at its front end, two pieces of magnets 12 which are arranged in a diagonal line and in a point symmetrical positions with respect to the centroid of the head carriage 14 and a coil 13 which is adhered and fixed to the head carriage 14 so as to face the magnets 12 and in interlinked with the magnetic fluxes generated from the magnets 12.
Patent JP-2001279768-A (JP)
Title: Device in water use section
Inventor: NIIHARA NOBORU
IPC: E03C1/05
Filed: 2000-03-31
Abstract: PROBLEM TO BE SOLVED: To provide a device which is provided with a water feed means, a water discharge means, and a valve arranged between them, a valve opening/ closing means opening/closing the valve by the reciprocal motion, and a valve drive means driving the valve opening/closing means, and which is capable of realizing a complicated water discharge pattern. SOLUTION: In the device provided with a water feed means, a water discharge mean, a valve arranged between these means, a valve opening/closing means opening/closing by the reciprocal motion, and a drive means driving the valve opening/closing means, the valve opening/closing operation by the opening/closing means during the outward traveling and the valve opening/ closing operation by the valve opening/closing means during the return traveling are mutually asymmetrical.
Patent JP-2001294370-A (JP)
Title: Oil temperature increasing operation device for hydraulic elevator
Inventor: IMAMURA HIROSHI
IPC: B66B1/04
Filed: 2000-04-10
Abstract: PROBLEM TO BE SOLVED: To reduce a floor landing error of a car due to a viscosity change of oil by stabilizing a flow rate of the oil controlled by means of a flow controller for a hydraulic elevator. SOLUTION: A pump 7 is driven by means of an electric motor 6 so that the oil 3 inside a tank 5 is let flow into a hydraulic jack 1 for lifting the car 4, and contrarily, the oil 3 in the hydraulic jack 1 is returned into the tank 5 so as to lower the car 4. A tank internal oil temperature is detected by means of a tank internal temperature detector 9, and when the detected temperature is below a first specified value, the car 4 is moved to the lowermost floor and most of the oil 3 is returned into the tank 5. Under this condition, the oil 3 is circulated through the pump 7, the flow controller 8, and the tank the tank internal oil temperature is increased using fluid loss in pressure control.
Patent JP-2001297623-A (JP)
Title: Backlight
Inventor: ABE MASAKAZU
IPC: F21Y103/00
Filed: 2000-04-11
Abstract: PROBLEM TO BE SOLVED: To obtain a backlight, having a high luminance and a high efficiency without any reduction of luminance due to a heat generation. SOLUTION: In a backlight, a light diffusion plate 2 is positioned to be spaced apart a prescribed space on one side of a flat reflector 1, and a fluorescent tube 3 is arranged as a light source between the reflector 1 and the light diffusion plate 2, and a vent hole 6 is set at the predetermined position other than the light diffusion plate 2.
Patent JP-2001294615-A (JP)
Title: Method for purifying thermoplastic norbornene-based resin, substrate for magnetic recording medium by using the resin, and magnetic recording medium by using the substrate
Inventor: TEI YOICHI
IPC: B29C45/00
Filed: 2000-04-12
Abstract: PROBLEM TO BE SOLVED: To provide a cleaning method for removing impurities in a thermoplastic norbornene-based resin to a prescribed amount or less, and further to provide a substrate for a magnetic recording medium by using the resin cleaned by the method, the magnetic recording medium by using the substrate, and a method for producing the medium. SOLUTION: This method for purifying the thermoplastic norbornene-based resin by removing organic impurities, ionic impurities and particles in the thermoplastic norbornene-based resin by using a cleaning liquid is characterized in that the cleaning liquid is 2-propanol or a mixed solvent of the 2-propanol and H2O. The substrate for the magnetic recording medium is obtained by subjecting the thermoplastic norbornene-based resin to an injection molding. The magnetic recording medium has at least a magnetic layer, a protecting layer and a liquid lubricant layer formed on the substrate. The method for producing the recording medium is also provided.
Patent JP-2001298306-A (JP)
Title: High frequency transmission line substrate and high frequency package
Inventor: SHINYA YOSHIHISA
IPC: H01P3/02
Filed: 2000-04-14
Abstract: PROBLEM TO BE SOLVED: To provide a high frequency transmission line substrate with which a high frequency package having improved high frequency characteristics as well as improved transmission characteristics is configured. SOLUTION: In the high frequency transmission line substrate, a signal line layer 13 and a ground layer 14 are provided on an upper surface 11a of a dielectric substrate 11, a signal line layer 16 and a ground layer 17 are provided on a lower surface 11b of the dielectric substrate 11, and plural conductor vias 19 are formed for connecting the ground layers 14 and 17 on both sides of the signal line layers 13 and 16.  When a frequency to be used is defined as F, the dielectric constant of the dielectric substrate 11 is defined as εr, the thickness of the dielectric substrate 11 is defined as (t) and a distance between the centerlines of the signal line layers 13 and 16 and a straight line connecting the centers of the respective conductive vias 19 is defined as X, within the range of ±5%, respective values are set so as to satisfy the following relations of F=M0+M1t on the conditions of M0=a+bX and M1=c+dX, a=341.2-18.9εr, b=-0.31+0.17εr, c=-0.3+0.02εr and d=0.00031-2.1×10-5εr.
Patent JP-2001293454-A (JP)
Title: Method for extracting heavy metal and method for measuring elution of heavy metal
Inventor: UCHIDA TOSHIHITO
IPC: B09B3/00
Filed: 2000-04-14
Abstract: PROBLEM TO BE SOLVED: To reduce the contamination of incineration residue and contaminated soil with heavy metals by efficiently extracting and separating the heavy metals by a convenient method from the heavy metal-containing waste such as the incineration residue and the contaminated soil containing heavy metals in a high concentration and lowering the heavy-metal content of the extracted residue and to accurately measure the elution of the heavy metals from such waste by a convenient method. SOLUTION: The waste containing heavy metals is mixed with water and then centrifugally separated to extract the heavy metals. In this case, the waste is mixed with water in <=1 weight ratio of the water to waste. The waste is mixed with water in <=1 weight ratio of the water to waste, the mixture is centrifugally filtered, the content of heavy metals in the filtrate is measured, and the elution of the heavy metals is measured.
Patent JP-2001294129-A (JP)
Title: Viper blade for vehicle
Inventor: KADOKURA AKIRA
IPC: B60S1/38
Filed: 2000-04-14
Abstract: PROBLEM TO BE SOLVED: To provide a wiper blade for a vehicle incapable of leaving a part unwiped by always containing the tip of a blade rubber on a wiping surface. SOLUTION: The wiper blade for a vehicle is formed by rotatably attaching a secondary lever 15 to a tip part 12A of a primary lever 12, attaching a yoke 17 to a tip part 15B of the secondary lever 15, attaching a sub lever 13 between the primary lever 12 and the secondary lever 15 and to the tip part 12A of the primary lever 12, and holding a blade rubber 18. An operation part 13B is provided on a tip part of the sub lever 13, and a projection 19 for pressing a sub lever is provided on the yoke 17. In accordance with follow-up movement of the yoke 17 to the wiping surface G, the projection 19 for pressing a sub lever presses and energizes the operation part 13B to press a tip part 13A of the sub lever 13 to the wiping surface G.
Patent JP-2001297026-A (JP)
Title: Computer system with a plurality of database management systems
Inventor: OEDA TAKASHI
IPC: G06F17/30
Filed: 2000-04-11
Abstract: PROBLEM TO BE SOLVED: To solve such a problem that it costs more to obtain data when an interface module actualized only by software is used to access a plurality of databases and to solve the problem that a database realizing optimum analysis is not always obtained since performance management of request freshness of data and replication such as the allocation of system resources accompanying it is not performed when the replication is performed by generating an intermedi ate volume by using a disk storage system. SOLUTION: A DB integrating means being software on a server and a resource managing means of a disk storage system stored with a database are associated with each other, the allocation of resources to the disk storage system is found so that specifications requested by a user given to the DB integrating means are met, and according to the allocation, the allocation and snapshot of a host path and a volume are controlled.
Patent JP-2000323728-A (JP)
Title: Internal band tunnel diode in heterostructure
Inventor: EL-ZEIN NADA
IPC: H01L29/88
Filed: 2000-04-19
Abstract: PROBLEM TO BE SOLVED: To provide an internal band tunnel diode in heterostructure which has high current density. SOLUTION: The internal band tunnel diode 10 in heterostructure comprises a contact layer 12 made of indium gallium arsenide of a 1st conductivity type, an injection layer 18 made of indium gallium arsenide of a 2nd conductivity type, a 1st doped layer 14 of the 1st conduction type positioned near the contact layer 12, and a 2nd doped layer 16 of the 2nd conductivity type which if formed between the 1st doped layer 14 and injection layer 18 side by side, and at least one of 1st and 2nd tunnel barrier layers is made of indium gallium arsenide, In a 2nd embodiment, the diode is composed of a doped layer 14 of the 1st conductivity type positioned near a contact layer 12, a barrier layer positioned nearby the injection layer 18, and indium gallium arsenide positioned between the doped layer and barrier layer side by side,  and at least one of the doped layer and barrier layer is made of indium gallium arsenide.
Patent JP-2001303845-A (JP)
Title: Door braking apparatus
Inventor: DEMUKAI YASUSHI
IPC: E05F5/02
Filed: 2000-04-20
Abstract: PROBLEM TO BE SOLVED: To provide a door braking apparatus at a low cost, which can easily and stably carry out braking of a door, in order to prevent sudden closing and opening of doors such as a sliding door and a revolving door. SOLUTION: The door braking apparatus is constituted of a braking apparatus main body 7, a revolving body 8, viscous fluid 19, upper-stage and lower-stage frictional rollers 13a, 13b, a contact member 15a, and another contact member. The braking apparatus main body 7 is installed on a sliding door 1. The revolving body 8 is housed in the braking apparatus main body 7, and rotated together with a vertical shaft 10 in one body. The viscous fluid 19 is filled in the braking apparatus main body 7 so as to surround the periphery of the revolving body 8. The upper-stage and lower- stage frictional rollers 13a, 13b are attached to the shaft 10 protruding from the braking apparatus main body 7 via respective one-way clutches 14a, 14b, and rotated together with the revolving body 8 about a vertical shaft center.  The contact member 15a is attached to a building such that one of the frictional rollers 13a abuts thereon in the vicinity of a location where the sliding door 1 is almost closed. The other contact member is attached to the building such that the other frictional roller 13b abuts thereon in the vicinity of a location where the sliding door 1 is almost opened.
Patent JP-2001301108-A (JP)
Title: Laminated polyester film
Inventor: SHIRAKAWA ARIMICHI
IPC: B32B27/36
Filed: 2000-04-20
Abstract: PROBLEM TO BE SOLVED: To provide a laminated polyester film capable of satisfying adhesiveness with an ink receiving layer in ink jet printing and water resistance. SOLUTION: The laminated polyester film is constituted by forming a coating layer, which comprises a composition prepared by mixing an aqueous polyester resin and a hydroxyl group-containing vinyl type resin. The hydroxyl number is 30-80 mgKOH/g, in a solid weight ratio of 50/50-85/15 on at least the single surface of a polyester film. The ink receiving layer can be further provided on the coating layer.
Patent JP-2001303421-A (JP)
Title: Thermoplastic composite nonwoven fabric and fiber product using the same
Inventor: KOJIMA MITSURU
IPC: D04H3/153
Filed: 2000-04-21
Abstract: PROBLEM TO BE SOLVED: To provide a thermoplastic composite nonwoven fabric having a soft touch, excellent fuzzing resistance and a necessary and sufficient nonwoven fabric strength, and to provide a fiber product, such as an absorbing article or a wiper, using the same. SOLUTION: This thermoplastic composite nonwoven fabric comprising a nonwoven fiber assembly (I) produced from a thermoplastic resin (A) as a raw material resin and nonwoven fiber assemblies (II) laminated to both the sides of the nonwoven fiber assembly (I) and produced from a thermoplastic resin (B) having a higher melting point than that of the thermoplastic resin (A) as a raw material resin, characterized in that the thermoplastic composite nonwoven fabric is bonded by a point thermocompression bonding method and in that the rate of the point thermocompression bonding surface is 4 to 30% based on the total surface of the nonwoven fabric.
Patent JP-2001303749-A (JP)
Title: External wall reforming structure and roof reforming structure for building, and method of construction for the same
Inventor: KOBAYASHI TAKEO
IPC: E04F13/08
Filed: 2000-04-21
Abstract: PROBLEM TO BE SOLVED: To provide an external wall reforming structure and a roof reforming structure for improving the appearance of a building by repairing and proving the building with an external heat insulated structure, and a method of construction for the same. SOLUTION: In this external wall reforming structure obtained by mounting plural panels on an external wall surface of a building by means of fittings in a connected state, the panels are respectively composed of a heat insulating board mounted while kept into contact with the external wall, and a facing board mounted on a surface side of the heat insulating board in a coating state, the heat insulating boards are respectively provided with through-holes capable of inserting fixing tools to be mounted on the external wall, anchor members to be fixed to the external wall by the fixing tools are fixed to a rear face of the through-hole parts at an external wall contact face side, inlets of the through-holes are packed with a filler having the low heat conductivity and the strength enough to endure the load in mounting the facing board,  and attachments for mounting the facing boards are fixed to the filler.