baber/WOPTO huggingface dataset:
Patent JP-2001306032-A (JP)
Title: Drive method and derive circuit for light-emitting element
Inventor: KOBAYASHI NOBUYUKI
IPC: H01L33/00
Filed: 2000-04-21
Abstract: PROBLEM TO BE SOLVED: To compatibly attain a light-emitting element having high luminance and prevention of the electric breakdown due to a reverse voltage, at the driving of pixels to a matrix form. SOLUTION: In this pixel drive circuit, a first voltage as the anode-on voltage of a pixel element, a second voltage as a cathode-non-selection voltage, a third voltage lower than the first voltage as an anode-off voltage and a fourth voltage lower than the second voltage as a cathode-selection voltage are prepared. Then, the light-emitting element is drive by setting the first voltage higher than the second voltage and setting the third voltage higher than the fourth voltage.
Patent JP-2001303070-A (JP)
Title: Fuel oil composition and driving system of automobile
Inventor: AKIMOTO YASUSHI
IPC: H01M8/06
Filed: 2000-04-24
Abstract: PROBLEM TO BE SOLVED: To provide a low sulfur fuel oil composition usable for both of a hybrid engine and a fuel cell, and to provide a driving system of an automobile carrying the hybrid engine using the fuel composition. SOLUTION: This fuel oil composition comprises a deeply desulfurized light naphtha, and can be usable for both of the hybrid engine and the fuel cell. The driving system of the automobile carries out the driving in a high load region mainly by a motor, and the driving in a low load region mainly by an internal combustion engine, by using the fuel oil composition as the fuel in the automobile carrying the hybrid engine.
Patent JP-2001307073-A (JP)
Title: Three-dimensional space reconstitution device and three- dimensional space reconstitution method
Inventor: HAMAZAKI SHOGO
IPC: G06T1/00
Filed: 2000-04-24
Abstract: PROBLEM TO BE SOLVED: To provide a three-dimensional space reconstitution method for dramatically reducing an operation amount and making a sufficient resolution and a high-speed processing compatible with each other. SOLUTION: A maximum voxcel that an object can not be fitted in is decided. Plural voxcels for which a measurement object space is divided by the maximum voxcel are outputted as divided voxcels at first and the divided voxcels for which a supplied voxcel is divided into the fixed number of pieces are outputted thereafter. Whether or not the respective divided voxcels and the object overlap each other is decided. Further, in the case that the divided voxcel decided as overlapping the object does not satisfy a fixed escape condition, the divided voxcel is repeatedly divided. Only meaningful voxcels are divided stepwise from big to small.
Patent JP-2001302718-A (JP)
Title: Catalyst for vapor phase polymerization, method for vapor phase polymerization using the same, and olefin polymer
Inventor: SADASHIMA TAKANORI
IPC: C08F4/654
Filed: 2000-04-24
Abstract: PROBLEM TO BE SOLVED: To produce a catalyst for vapor phase polymerization, which has high polymerization activity and can effectively give an olefin polymer of high flowability by adding a small amount of hydrogen, to provide a method of vapor phase polymerization, and to obtain an olefin polymer. SOLUTION: The catalyst is used for the vapor phase polymerization of an α-olefin compound in the presence of hydrogen and contains (A) a solid catalyst component consisting of (a) a magnesium compound, (b) titanium tetrachloride and (c) a dialkyl phthalate (the alkyl group is a 3-20C branched hydrocarbon group, or the like), (B) an organoaluminum compound, and (C) an organosilicon compound represented by the general formula: (R1)(R2CH2)Si(OR3)(OR4) (1) (wherein R1 is a 3-12C alicyclic hydrocarbon group; R2 is a 3-20C branched hydrocarbon group; and R3 and R4 are each a 1-20C hydrocarbon group).
Patent JP-2000327372-A (JP)
Title: Stabilization of glass ceramic
Inventor: CROOK RUSSELL A
IPC: C03C17/25
Filed: 2000-04-25
Abstract: PROBLEM TO BE SOLVED: To minimize the change in dimensions and coefficient of thermal expansion due to reaction with water content under high temperature and humidity and stabilize a ceramic body having microcrack by subjecting glass ceramic body to treatment with a metasilicic acid alkali aqueous solution, treatment with a non-porous silane solution or continuous treatment with metasilicic acid alkali and a silane. SOLUTION: Sodium metasilicate alone, a highly nonpolar silane (e.g. pentafluorophenylpropyltrimethoxysilane) alone or a coating material obtained by successively mixing these two materials is used in order to stabilize the ceramic body. Namely, a method for immersing the ceramic body in 0.4% aqueous solution of metasilicate for 4 days and then drying the ceramic body in a desiccator, a method for immersing the ceramic body in 5% silane solution and a solution containing cyclohexane, ethanol and n-butanol or a method for immersing the ceramic body in sodium metasilicate solution for 2 min and successively immersing the ceramic body in a silane solution for 5 days is adopted. Sequential change of dimensions with time is minimized by these treatments to stabilize value of coefficient of thermal expansion of a substrate material.
Patent JP-2001313003-A (JP)
Title: Colored bulb, lighting device for automobile and automobile
Inventor: ARAI TOSHIYUKI
IPC: F21Y101/00
Filed: 2000-04-27
Abstract: PROBLEM TO BE SOLVED: To provide a colored bulb and a lighting device for use with a vehicle or the like with excellent optical characteristics, and a vehicle, of which selection of pigments is easy, with decreased change of color due to temperature rise or change with time of a bulb in use. SOLUTION: There are provided the colored bulb L1 composed of a translucent airtight vessel 1, a coil-shaped filament 4 set in the translucent airtight vessel 1 through lead wires 31, 31, and a colored film 5 made from coating resin mixed with isoindolinon based yellow pigments of an average particle diameter of 140 to 200 nm formed on the surface of the translucent airtight vessel 1, the lighting device 8 for a vehicle equipped with the bulb L1, and the vehicle 7 equipped with the lighting device 8.
Patent JP-2001312509-A (JP)
Title: System and recording medium for distributing electronic data
Inventor: NAKADA KAZUO
IPC: G06F17/30
Filed: 2000-04-28
Abstract: PROBLEM TO BE SOLVED: To provide a system that enables subscribers to receive only a required data, and to see and read easily the received data and that can reduce the data transmission amount and the storage capacity. SOLUTION: The system is an electronic information transmission system distributing news published by a plurality of newspaper companies to a plurality of subscribers, and has a news database 34 that stores the news published, a subscriber database 37 that stores data to select required news for each subscriber, an editing processor 41 that searches for the required news stored in the news database 34 based upon a selection criterion and edits them, an individual news database 38 that stores the edited news for each subscriber, and a data transmission processor 33 that transmits the news stored in the individual news database 38.
Patent JP-2001311971-A (JP)
Title: Optical waveguide device
Inventor: ROOSHAN TAPURIYA
IPC: G02B6/12
Filed: 2000-05-01
Abstract: PROBLEM TO BE SOLVED: To provide an optical waveguide device which has a high degree of freedom for designing a device, and can be produced at a low cost, and can also couple outputs with a high coupling efficiency by optimizing a form of an output beam. SOLUTION: An EO deflector 10 is provided with a conductive substrate 12 as a lower part electrode, a thin film optical waveguide 14, an optical waveguide lens 16, upper part electrodes 18A and 18B, and a rectangular prism 20 for outgoing light. The incident side end part of the bottom face of the rectangular prism 20 for outgoing light is raised to a prescribed height by supporting bodies 22A and 22B, and between the bottom face of the prism and the thin film optical wave guide 14, an air space 24 of which the thickness is reduced in a tapered form in the direction of light traveling is formed. This tapered air space varies a value of a transfer function P(Sk), and an output beam from the rectangular prism 20 for outgoing light is corrected into a form suitable for coupling with an optical fiber.
Patent JP-2001319603-A (JP)
Title: Substrate for forming electron source, electron source and image display apparatus
Inventor: DANJIYOU KATSUSHI
IPC: H01J9/02
Filed: 2000-05-08
Abstract: PROBLEM TO BE SOLVED: To provide a substrate for forming electron source that does not cause contraction of the product life due to deterioration of vacuum degree, shortage between neighboring circuits through a getter, and deterioration in characteristics of the electron source even for long-term operation. SOLUTION: The substrate for forming electron source constitutes an envelope of an image display apparatus by sealing with other members, and electron emitting elements are disposed thereon. An antistatic film is provided on the said surface on which electron emitting elements are disposed except for sealing regions with the other members.
Patent JP-2001317974-A (JP)
Title: Ultrasonic flowmeter
Inventor: KUMAGAI MINORU
IPC: G01F1/66
Filed: 2000-05-09
Abstract: PROBLEM TO BE SOLVED: To provide a meter and a method for ultrasonic flow rate measurement, where the flow-velocity distribution is improved and the measurement accuracy of flow rate is enhanced, and to provide an ultrasonic flowmeter, which is worked and molded easily and of which the measurement accuracy of flow rate is enhanced. SOLUTION: An U-shaped fluid channel 1 and a cover-body fluid channel 2 constitute the flow rate measuring part. The fluid channel 1 is constituted of opposite side faces, on which a pair of ultrasonic vibrators 3 are arranged and installed. The fluid channel 1 is constituted of a bottom face which connects the opposite side faces. The fluid channel 1 is constituted of an opening face which faces the bottom face. The fluid channel 2 is installed, so as to cover the opening face of the fluid channel 1, it faces the bottom face, and it forms a part of the flow rate measuring part. When the fluid channel 2 is installed so as to cover the opening face, a cross section which is perpendicular to the longitudinal direction of the flow rate measuring part is formed in a cross-sectional convex shape.  A base plate 5 which constitutes a part of the fluid channel and whose cross section is convex is fixed and bonded to a groove part 4 on the bottom face of the fluid channel 1.
Patent JP-2001319878-A (JP)
Title: Semiconductor manufacturing method
Inventor: FUKUSHIMA YASUMORI
IPC: H01L21/336
Filed: 2000-05-11
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor manufacturing method which can reduce catalytic elements enough in a crystalline silicon film and allows the area of the crystalline silicon film remaining on a substrate to be enlarged. SOLUTION: The method comprises a step of introducing a catalytic element 13 for accelerating the crystallization into an amorphous silicon film on a substrate 11, applying a first heat treatment to crystallize the amorphous silicon film into a crystalline silicon film 14, laying a mask layer 15 having openings 18 extending through the thickness on the surface of the crystalline silicon film 14, forming thereon a sacrificial film 16 continuously covering the mask layer 15 surface and corresponding portions 14c of the crystalline silicon film to the openings, introducing a getter element 17 for gettering the catalytic element 13 into the sacrificial film 16 and the opening corresponding portions 14c of the silicon film 14, and applying a second heat treatment to getter the catalytic element 13 into the victim film 16 through the openings 18 from the crystalline silicon film 14.
Patent JP-2001320537-A (JP)
Title: Automatic document transfer device, document reader, and image forming device
Inventor: SANO MOTOYA
IPC: H04N1/00
Filed: 2000-05-11
Abstract: PROBLEM TO BE SOLVED: To provide an automatic document transfer device which easily performs a self-check test work. SOLUTION: A read control part 91 of a controller 24 is provided with an F gate signal for self-check test; and when the self-check test of a contact image sensor 51 without transfering a document is performed, the controller 24 transmits the F gate signal for self-check test to the contact image sensor 51, and the contact image sensor outputs test pattern data of an area based on the F gate signal for self-check test to a main body control part 75 of an image forming device main body 5.
Patent JP-2001319281-A (JP)
Title: Security system
Inventor: TAKAGI YOSHIZUMI
IPC: G08B25/01
Filed: 2000-05-12
Abstract: PROBLEM TO BE SOLVED: To provide a security system that can efficiently manage the operations of security devices which are optionally arranged in respective buildings by effectively utilizing network technique. SOLUTION: The security units 19 optionally arranged in a house 11, the respective apartments 13a and 13b of an apartment house 13 or a store 15 which are located in different areas are connected to a communication network (an information communication network 17) constituting a CATV system. A center device 20 disposed in a CATV managing company is provided with a control means 25 for controlling operation information of the security unit 19. Accordingly the control means 25 monitors the operation state of the unit 19 by way of the information communication network 17.
Patent JP-2001320551-A (JP)
Title: Device and method for reading image and computer readable storage medium
Inventor: SUGIURA TAKASHI
IPC: G03B27/50
Filed: 2000-05-12
Abstract: PROBLEM TO BE SOLVED: To provide an image reader capable of simultaneously reading both faces of an original to increase image read speed and also made small and inexpensive. SOLUTION: This image reader is provided with a light source 207, a CCD linear image sensor 201 for receiving reflected light of the light source 207, a CCD linear image sensor 202 for receiving transmitted light from the light source 207, lenses 203 and 204 and mirrors 205 and 206, arranges a reflection scanning position by the sensor 201 so as to precede a transmission scanning position by the sensor 202 and also arranges the light source 207 so that the distance (a) between the source 207 and the transmission scanning position is shorter than the distance (b) between the source 207 and the reflection scanning position.
Patent JP-2001325814-A (JP)
Title: Headlight for vehicle
Inventor: KUSAYA MASAHIRO
IPC: F21Y101/00
Filed: 2000-05-15
Abstract: PROBLEM TO BE SOLVED: To increase a stroke enlarging action between a solenoid and a shade, while maintaining a required occupying space small in a headlight for a vehicle constructed to change light intensity distribution by moving the shade using the solenoid. SOLUTION: A shade 26 is connected to a shaft 30 which can make reciprocate motion in a vehicle front and rear direction and a solenoid 34 is provided with a plunger 34A reciprocatable in a vehicle front and rear direction. The shaft 30 and the plunger 34A are coupled engagedly via a two-tooth pinion 42 comprised of a large diameter pinion 42A meshing with a rack part 30a formed on the shaft 30 and a small diameter pinion 42B meshing with a rack part 34Aa formed on the plunger 34A. The stroke of the shaft 30 with respect to stroke of the plunger 34A, thereby, is increased. This increase action is contributed by two groups of rack and pinion mechanisms using the two-tooth pinion 42 for realizing a compact stroke increase mechanism.
Patent JP-2001325459-A (JP)
Title: Contents distributing system, contents transmitting method, contents receiving method and recording medium with recorded contents receiving program
Inventor: HORIKOSHI TSUTOMU
IPC: G06Q30/04
Filed: 2000-05-15
Abstract: PROBLEM TO BE SOLVED: To prevent the illegal use of pay digital contents. SOLUTION: When access from a user is received, a charging gateway 4 of a substitutive price collecting server in digital contents selling correspondently stores a user ID and contents identification information added to digital contents and periodically or non-periodically sends the stored information to a contents ID managing center 11.
Patent JP-2001321637-A (JP)
Title: Method and device for treating gas containing nitrogen monoxide
Inventor: MIYAMOTO NORITO
IPC: B01D53/56
Filed: 2000-05-15
Abstract: PROBLEM TO BE SOLVED: To provide a safe method and device for removing NO from an NO- containing gas with good operability and at a low cost. SOLUTION: In the method, the NO-containing gas is brought into contact with a radical capable of converting NO to NO2 and then with a carrier carrying a microorganism capable of reducing the product formed by dissolving NO2 in water and moisture. The device 10 includes a suction port 3, a first treating chamber 1 having a means for generating the radical to convert NO to NO2, first delivery pipes 4 and 6 for delivering gas from the suction port to the first treating chamber, a second treating chamber 2 having the carrier 9 carrying the microorganism capable of reducing the product formed by dissolving NO2 in water and moisture and an outlet, a second delivery pipe 7 for delivering the gas from the first treating chamber to the second treating chamber and a gas delivery means 5.
Patent JP-2001325282-A (JP)
Title: Information processor, its processing method and program storage medium
Inventor: UCHIO YUICHI
IPC: G06F19/00
Filed: 2000-05-16
Abstract: PROBLEM TO BE SOLVED: To provide an information processor, its processing method and a program storage medium by which facsimile information is efficiently fetched in a network environment and managed. SOLUTION: The information processor is the one for fetching facsimile data which are received through a line into a database and is provided with a receiving means for receiving facsimile data and a retrieving means for retrieving a specified item on the database from the facsimile data.
Patent JP-2001327100-A (JP)
Title: Power supply system
Inventor: ITO TOSHIYUKI
IPC: G05F1/67
Filed: 2000-05-16
Abstract: PROBLEM TO BE SOLVED: To supply an independent load with a high quality uninterruptible power having arranged voltage and frequency, while realizing 100% facility utilization rate for a fuel cell power generation system, even during variation of the independent load. SOLUTION: The power supply system comprises a fuel cell power generation system, connected with a DC bus and having a fuel cell outputting a DC power where a plurality of unit cells generating power through reaction of fuel gas and oxidizing agent gas are connected, and a plurality of inverters connected with the DC bus and converting DC power into AC power being supplied to an independent load. At least one inverter has an interlinking operation function with an AC system for supplying excessive power to a commercial system, i.e., the AC system, while preferentially supplying power to the independent load.
Patent JP-2001321980-A (JP)
Title: Metallic flux cored wire for arc welding
Inventor: HASHIMOTO TETSUYA
IPC: B23K35/02
Filed: 2000-05-16
Abstract: PROBLEM TO BE SOLVED: To provide a metallic flux cored wire(FCW) for arc welding capable of reducing a generating spatter in welding by forward welding and excellent in welding workability. SOLUTION: A metallic FCW1 for arc welding has a flux rate of 25-45 mass% and a lap part 4 where both end parts in a band plate width direction overlap at the cross section vertical to the longitudinal direction of FCW1, when a band plate width direction end part is defined as a point A and an intersecting point between the longest line segment among segments reaching an outer surface of an outer skin 2 of opposite side through flux and the outer surface is defined as a point B, the point, on which an extension line of a line segment BC passing the point B and in contact with a width direction end part of the band plate of inside of the lap part 4 is intersected with the outer surface of the band plate outside the lap part 4, is defined as a point D and a length of the line segment connecting the point A and the point D is defined as RL,  a ratio Rr of RL to an average diameter Wd of FCW1(RL/Wd×100%) is 3-30%.
Patent JP-2001322038-A (JP)
Title: Induction heating shrink-fit apparatus
Inventor: OTOMO HIROSHI
IPC: H05B6/36
Filed: 2000-05-12
Abstract: PROBLEM TO BE SOLVED: To reduce the size of a mechanism, and to dispense with excessive man power in adjusting an induction heating coil. SOLUTION: In this induction heating shrink-fit apparatus, the AC current is carried in an induction heating coil 1, a tool holder 2 is heated by the induced current generated thereby, and the shank portion of a blade 3 is shrink-fitted and fixed to a hole 3. The induction heating coil comprises a pair of coils 1a and 1b, the coils 1a and 1b are accommodated in holding parts 4a and 4b and located on a side surface of a tool holder 2 set on a shrink-fitting apparatus body 5. The holding parts 4a and 4b are fixed to a base 16, and fixed to laterally movable pedestals of a slide pack. A rack A21 and a rack B22 are fixed to each of the pedestals, a pinion fixed to the base 16 and having a load in one direction is provided. A stopper is provided on the holding part 4a, a shaft is passed through the stopper, and a spring 18 is provided thereon.
Patent JP-2001296917-A (JP)
Title: System for monitoring behavior and environment of precision electronics
Inventor: YAMANAKA HIDEYUKI
IPC: G05B23/02
Filed: 2000-04-11
Abstract: PROBLEM TO BE SOLVED: To provide a system for monitoring the behavior and environment of precision electronics by which the operation of the precision electronics itself and a peripheral state surrounding the precision electronics can instantaneously be recognized. SOLUTION: This system is provided with a plurality of sensors such as a vibration sensor, a magnetic field sensor 13, a temperature sensor 16, a noise sensor 20, or an air speed sensor 17 which are arranged adjacently to the precision electronics P. In the system, each measured data obtained by those sensors are processed real time and Fourier analysis is processed, the Fourier analysis processed data are preserved as history data, the history data are displayed at a monitor 37, each data obtained when a main device is normally operated are used as a set value and the set value is compared with each history data obtained from the precision electronics P in an operation,  and a signal showing the generation of any abnormality is outputted to the outside part or a monitor 37 when any change is detected in the behavior or surrounding environment of the precision electronics P from the compared data.
Patent JP-2000357380-A (JP)
Title: Tape cartridge
Inventor: MASUDA NORIAKI
IPC: G11B23/30
Filed: 2000-05-22
Abstract: PROBLEM TO BE SOLVED: To constitute a first large-sized tape cartridge and second small-sized tape cartridge which vary in the height sizes of their respective body cases but are set at the same in the width of the tapes to be respectively housed therein in such a manner that the connecting terminals on a VTR side in contact with the terminal parts of memory elements respectively built therein are common. SOLUTION: The first large-sized tape cartridge C1 of the greater height size is provided with a loading part 32 like a raised bottom on the inner base surface of its body case 1 and the memory element 25 is placed on the loading part 32. The memory element 25 is arranged on the inner base surface of the body case 1 of the second small-sized tape cartridge C2 of the smaller height size. The height positions of the terminal parts 26 of the respective memory elements 35 of the large-sized and small-sized tape cartridges C1 and C2 are set at the position of the same size from a tape traveling center position X.