baber/WOPTO huggingface dataset:
Patent JP-2002286430-A (JP)
Title: Solder printing inspection apparatus
Inventor: ARIMA NAOHIRO
IPC: B23K1/00
Filed: 2001-03-23
Abstract: PROBLEM TO BE SOLVED: To provide a solder printing inspection apparatus that is capable of performing accurate inspection after securing an accurate solder inspection region without requiring many kinds of data processings. SOLUTION: The solder printing inspection apparatus 1 is provided with a lighting apparatus 3 for applying a plurality of light patterns is a sinusoidal shape, whose phases change, from an oblique upper section to the surface of a printed circuit board K, and a CCD camera 4 for picking up the image of the section where light is applied on the printed circuit board K. Height data are obtained by the phase shift method at a three-dimensional measurement apparatus control section 7. At an inspection frame-setting section 8, a solder inspection frame is set based on a sample board, and the printing state of cream solder C that is provided on the printed circuit board K is inspected at a solder printing inspection section 9.  The inspection frame-setting section 8 obtains height information for each pixel unit by three-dimensionally measuring the sample board KM, extracts a section where solder is formed based on the height information, and further sets the inspection frame based on the extraction data.
Patent JP-2002290040-A (JP)
Title: Method of manufacturing ceramic board
Inventor: HIRAHARA SEIICHIRO
IPC: H05K3/00
Filed: 2001-03-23
Abstract: PROBLEM TO BE SOLVED: To provide a ceramic board manufacturing method capable of protecting a wiring board against burning shrinkage occurring in a planar direction and cracking in a burning process so as to manufacture the wiring board of high dimensional accuracy with high yield. SOLUTION: Metal powder-containing conductor material is applied on unburned ceramic sheets 1a to 1c so as to form wiring conductor layers 3 on the surfaces of the sheets 1a to 1c, the sheets 1a and 1c with the conductor layers 3 are laminated into a laminated molded body 10, and a ceramic sheet 4 which is hardly shrunk at a burning temperature is laminated at least on the one surface of the laminated molded body 10. The laminate composed of the ceramic sheets 1a to 1c and the ceramic sheet 4 is burned at a prescribed burning temperature, and then the ceramic sheet 4 is removed from the laminate for the formation of a wiring board.  In the above method of manufacturing the wiring board, the wiring conductor layer 3 formed on an interface between the laminated molded body composed of the ceramic sheets 1a to 1c and the ceramic sheet 4 is set equal to 70% or below as large in area as the whole interface.
Patent JP-2002288908-A (JP)
Title: Disk recording/reproducing device provided with clamper
Inventor: KANAMORI YOSHIAKI
IPC: G11B17/028
Filed: 2001-03-26
Abstract: PROBLEM TO BE SOLVED: To provide a strong clamping force when a disk is clamped but a weak absorbing force between a turntable and a clamper when the disk is not mounted on the turntable. SOLUTION: A spring piece 4 is projected from a clamper 5 toward a turntable 3 and a bending deformation amount when the spring piece 4 touches the turntable 3 is set smaller than the thickness of a disk 6. The spring piece 4 is not abutted on the turntable 3 in a state where the disk 6 is held between the clamper 5 and the turntable 3, and presses the clamper 5 to move away from the turntable 3 in a state where the clamper 5 is directly abutted on the turntable 3.
Patent JP-2002288835-A (JP)
Title: Optical recording medium and recording method
Inventor: SASA NOBORU
IPC: G11B7/24035
Filed: 2001-03-27
Abstract: PROBLEM TO BE SOLVED: To provide a write once type optical recording medium, in which a high modulation is easily obtained, and which can greatly improve the dependence of a recording layer on a refractive index, and a recording method for the same. SOLUTION: In an optical recording medium, in which a recording layer 2 is provided on a substrate 1 having at least a pre-groove, and which is made for forming a recorded part as the variation of the groove width in the pre- groove by irradiation with a laser beam, the optical recording medium is characterized, in that the recorded part is formed by making the amount for reducing a groove bottom part width larger than the amount for reducing a groove aperture width of the substrate.  In an optical recording medium, in which a recording layer is provided on a substrate having at least a pre-groove, and which is made for forming a recorded part as the variation of the groove width in the pre-groove by irradiation with a laser beam, the optical recording medium is characterized, in that a recorded part is formed by reducing only a groove bottom part width, without varying a groove aperture width of the substrate. A recording method is characterized, in that a recorded part is formed.
Patent JP-2002283602-A (JP)
Title: Thermal head
Inventor: TAIMA TAKASHI
IPC: B41J2/335
Filed: 2001-03-28
Abstract: PROBLEM TO BE SOLVED: To prolong the lifetime of the heating elements in a thermal head and to lessen loss of thermal energy. SOLUTION: A heater 15 and a circuit board 16 are provided on the insulation layer 12 of a holding member 11 and an alumina substrate 20, on which a heating element array 18 is formed, is bonded onto the insulation layer 12 to cover the heater 15. A heater drive circuit and a heating element drive circuit are provided on the circuit board 16. A heat sink 21 incorporating a temperature sensor 22 is fixed to the lower surface of the holding member 11. The heater 15 is controlled by the heater drive circuit based on the temperature of the alumina substrate 20 measured by the temperature sensor 22 to heat the heating element array 18 through the alumina substrate 20 thus generating a specified bias thermal energy for each recording color.  Each heating element in the heating element array 18 is driven by the heating element drive circuit to generate gradation thermal energy which is imparted to a recording sheet along with the bias thermal energy so that each pixel develops a color with an appropriate density.
Patent JP-2002300799-A (JP)
Title: Inverter control system and inverter control method
Inventor: SHINODA NAONOBU
IPC: H02P27/04
Filed: 2001-03-29
Abstract: PROBLEM TO BE SOLVED: To avoid lowering of the torque of a motor and the control performance of a magnetic flux caused by the presence of an error on an excitation inductance Lm and a secondary resistor Rr. SOLUTION: An inverter control circuit 3 for outputting a current instruction value idc* and a frequency instruction ωe* and controlling a current type inverter circuit 2 is provided with a current calculator 11 for calculating and outputting the current instruction idc* on the basis of output rotating speed ωr output by a rotating speed instruction ωr*, a magnetic flux instruction ϕr and an induction motor 1, a sliding calculator 12 for calculating and outputting a sliding frequency instruction ωs* on the basis of the rotating speed instruction ωr and the magnetic flux instruction ϕr*, and a motor constant correction calculator 13 for correcting the motor constant of the induction motor 1 and calculating and outputting an excitation inductance estimation value Lmh and a secondary resistance estimation value Rrh. The output of the induction motor 1 controlled on the basis of the current instruction idc* and the frequency instruction ωe* calculated on the basis of a corrected constant value is quickly surely converged by a more proper instruction value.
Patent JP-2002294628-A (JP)
Title: Continuous girder for bridge
Inventor: HAYASHI KENJI
IPC: E01D2/02
Filed: 2001-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a continuous girder for a bridge capable of improving load-carrying capacity to a negative bending moment around the intermediate fulcrum and reducing strength discontinuity in the bridge axial direction. SOLUTION: This continuous girder 10 for the bridge is provided with a steel beam main body 11 arranged along the bridge axis. In a supported area R1 around the intermediate fulcrum 10a, reinforced concrete 40 is placed in recess parts 11a defined by upper and lower flanges 12 and 13, a web 14, and vertical auxiliary rigid materials 15. A vertical reinforcement 42 (a first reinforcement) of the reinforced concrete 40 is extended vertically along the web 14, and its upper and lower ends are welded to the upper and lower flanges individually. A horizontal reinforcement 43 (a second reinforcement) extended horizontally along the bridge axis is bound to the vertical reinforcement 42 by means of an annealing wire. The supported area R1 is divided into a plurality area parts r1-r3 for the respective recess parts 11a.  Concrete strength of the area part r1 on the intermediate fulcrum 10a side is high, while that of the area part r3 in each end of the area R1 is low.
Patent JP-2002296363-A (JP)
Title: Raindrop sensor
Inventor: ISHINO HIROTSUGU
IPC: B60S1/08
Filed: 2001-04-02
Abstract: PROBLEM TO BE SOLVED: To provide a raindrop sensor, in which the shape of a prism is contrived and in which a light-emitting element and a light-receiving element are arranged to the side of the center from both ends of the prism, while the expansion of the detection region of a raindrop is being ensured. SOLUTION: An incident-side prism wall 20b of the prism 20 refracts light from the light-emitting element 40 by a cross-sectional convex lens face 26, the light is changed into a parallel light, and the parallel light is reflected toward the inner surface of a front windshield W by a paraboloid-shaped outer face 28. The parallel light, reflected by the inner surface of the front windshield W, is reflected by a paraboloid-shaped outer face 29, so as to be condensed on a radiant-side prism wall 20c by the element 50 by a cross-sectional convex lens face 27. The cross-sectional convex shapes of the respective lens faces 26, 27 are formed into an arc shape, while the element 40 and the element 50 are used as the center.
Patent JP-2002292342-A (JP)
Title: Apparatus for arranging a plurality of rows of waste plastics and divider for waste plastics using the apparatus
Inventor: AOKI AKIO
IPC: B07C5/342
Filed: 2001-04-03
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus for arranging a plurality of the rows of waste plastics such as waste plastic bottles, in the longitudinal direction for dividing. SOLUTION: The apparatus has a conveyer 3 for conveying waste plastics and a posture controlling conveyer 7 which controls the posture of the waste plastics to fall on the conveyer 3 so that the charged waste plastics are arranged on the conveyer 3. The conveyer 7 has two linear members 9a and 9b extending in the conveyance direction of the conveyer 3, the upper member 9a is operated in the opposite direction to the conveyance direction of the conveyer 3, and the lower member 9b is operated in the same direction with the conveyance direction of the conveyer 3.
Patent JP-2002297437-A (JP)
Title: Cache device, cache control method, program and recording medium with cache control program recorded thereon
Inventor: TANI SEIICHIRO
IPC: G06F12/00
Filed: 2001-04-03
Abstract: PROBLEM TO BE SOLVED: To provide a cache device, a cache control method, a program and a recording medium with the program recorded thereon that can reduce a total access cost when caching files of different access costs. SOLUTION: A device for caching a file has a file evaluation value calculating means C2 that calculates an evaluation value for the file to be cached only from the access cost for acquiring the file and the file size for the file, and a file-to-be-deleted determining means C3 that selects the file to be deleted and determines it by a probability proportional to the evaluation value calculated with the file evaluation value calculating means C2, thus adopting a characteristic constitution.
Patent JP-2002303712-A (JP)
Title: Device for manufacturing fiber grating
Inventor: NAKAI MICHIHIRO
IPC: G02B6/10
Filed: 2001-04-03
Abstract: PROBLEM TO BE SOLVED: To provide a device for manufacturing a fiber grating in which fiber gratings with little variance in the optical characteristics can be manufactured. SOLUTION: The irradiation light L1 is divided into two beams by a first prism 1. The beam L3 passing a time delay circuit 4 acts as a beam with time delay and superposed with the ray L2 in the position where a phase mask 5 is disposed. Therefore, the optical fiber is irradiated with light having the energy density made uniform without decreasing the interference of the light and fiber gratins having little variance in the optical characteristics can be manufactured.
Patent JP-2001352707-A (JP)
Title: Electric machine
Inventor: SIEMS HANS-DIETER
IPC: F02N15/02
Filed: 2001-04-04
Abstract: PROBLEM TO BE SOLVED: To provide an electric machine including a casing section which is manufactured at a low cost and is simplified in assembling by improving the electric machine of the type provided with a casing 25 consisting of at least two sections. SOLUTION: At least two casing sections are coupled with each other by at least one shape coupling element 95 arranged at a common casing junction 80.
Patent JP-2002310582-A (JP)
Title: Heat accumulating method
Inventor: ISHIGURO MAMORU
IPC: F28D20/00
Filed: 2001-04-09
Abstract: PROBLEM TO BE SOLVED: To provide a heat accumulating method which can be situated in an idle space other than a living space, such as underfloor, ceiling back and the external part of a building or in the building and capable of storing quantities of hot heat or cold heat. SOLUTION: Through continuous passage of gas having temperature different from a melt point of a heat accumulation material in a heat accumulation tank filled with a solid matter of a micro-capsule containing a heat accumulation material, heat is accumulated. A heat accumulating material is preferably an aliphatic hydrocarbon compound, and/or an ester compound, and/or an alcohol compound. A film to form a micro-capsule is preferably urea formalin resin and melamine formalin resin.
Patent JP-2002308462-A (JP)
Title: Transport device and recording device
Inventor: KONDO KATSUYUKI
IPC: B65H5/06
Filed: 2001-04-10
Abstract: PROBLEM TO BE SOLVED: To favorably transport a sheet regardless of dimensions of a sheet. SOLUTION: This sheet transport mechanism part 3 (transport device) has a platen 21, a plurality of driven rollers 25A disposed in the longitudinal direction of the platen, and a sheet guide 22 having a plurality of openings 49 for respectively storing the plurality of driven rollers 25A and guiding the sheet S, wherein the sheet is held by the platen and the driven rollers and rotated to transport the sheet. The sheet guide is provided with a guide part 50 projected toward the platen between a plurality of driven rollers, and the guide part is adapted to guide the sheet to a nip point between the platen and the driven roller.
Patent JP-2002310803-A (JP)
Title: Infrared detector
Inventor: NAKATANI SEIJI
IPC: F25D19/00
Filed: 2001-04-11
Abstract: PROBLEM TO BE SOLVED: To provide an infrared detector having a thermal interface having good heat conduction efficiency without causing the deterioration of the contact pressure (spring property) to a cold finger and a cold plate. SOLUTION: This detector comprises an infrared sensor 5, a vacuum vessel 2 for vacuum-holding the space between an outer wall 2a and an inner wall 2b, and a cooling means for cooling the infrared sensor and a cold shield 3. The thermal interface 7 to be provided between the cold plate 6 provided on the end surface of the vacuum vessel inner wall 2b and the cold finger 8 provided at the tip of the cooling means is formed in a double structure consisting of an outer cylinder 7a formed by winding a metal foil such as copper or the like having a high heat conductivity and an inner cylinder 7b formed by winding an elastic metal foil such as bronze or the like. The outer cylinder is pressed to the circumferential direction by the elastic force of the inner cylinder to hold the contact pressure between the cold plate and the cold finger.  A plurality of thermal interfaces 7 is juxtaposed, whereby the sectional area of a heat conducting route is increased to enhance the heat conduction efficiency.
Patent JP-2002309998-A (JP)
Title: Cylinder head
Inventor: HONGO NARIATSU
IPC: B22D19/00
Filed: 2001-04-16
Abstract: PROBLEM TO BE SOLVED: To provide a cylinder head positively preventing the looseness and fall of valve guides from valve holes. SOLUTION: The valve guide 1 of an intake valve hole 3a is protrusively provided with projecting parts 1a, 1b at a prescribed interval on the outer peripheral surface of a cylindrical pipe, while the valve guide 2 of an exhaust valve hole 3b is protrusively provided with a protrusion 2a of flat R-shape on the outer peripheral surface of a cylindrical pipe, at the approximately center part in the longitudinal direction of the pipe. The valve guides 1, 2 of such shapes are respectively arranged in the positions where the intake valve hole 3a and exhaust valve hole 3b are formed, and the valve guides 1, 2 are cast in the cylinder head 3 when molten metal is poured into the mold to form the cylinder head 3. At this time, the valve guides 1, 2 take the form of being fitted to the cylinder head 3 by the projecting parts 1a, 1b and the protrusion 2a.
Patent JP-2002306800-A (JP)
Title: Pachinko game machine and simulation game program
Inventor: ITAKURA TOMOTANE
IPC: A63F13/69
Filed: 2001-04-16
Abstract: PROBLEM TO BE SOLVED: To provide a Pachinko game machine and a simulation game program capable of balancing a player in a disadvantageous condition and a player in an advantageous condition by preventing effects of nail adjustment as much as possible. SOLUTION: A recording means is provided for updating records in a forward direction based on first conditions concerning game ball consumption at the time of winning in lot drawing of shooting balls, or the like, and for updating records in a backward direction based on second conditions concerning starting of lot drawing at the time of detecting of starting prize winning, or the like. When recorded value of the recording means is in a specified depth in a forward direction, the number of prize balls in the starting prize winning is increased. When a player is in a specified or more disadvantageous condition in which the number of times of starting of lot drawing is fewer in comparison with consumption of game balls, decreasing of balls owned by the player is restrained for relieving the player in the disadvantageous condition.  Thereby, imbalance between the disadvantageous player and the player in an advantageous condition is improved.
Patent JP-2002314469-A (JP)
Title: Diversity antenna changeover device and method, and program
Inventor: IGUCHI TAKAYUKI
IPC: H04B7/26
Filed: 2001-04-17
Abstract: PROBLEM TO BE SOLVED: To provide a diversity antenna changeover device that utilizes an existing device able to select only two antennas and can easily select an optimum antenna among three or more antennas. SOLUTION: The diversity antenna changeover device is provided with a changeover device 2 that receives signals of two antennas included in a set selected from three or more antennas and provides the output of a 1st signal (DATADET) denoting a reception state and a 2nd signal (ANTSEL) denoting an antenna used for the reception, a discrimination circuit 11 that monitors whether or not the state is the reception state on the basis of the 1st signal from the changeover device and discriminates the antennas used in the set of the antennas on the basis of the 2nd signal when the result of monitoring indicates the reception state, a setting circuit 12 that sets again a set of the antennas on the basis of an output of the discrimination circuit, and a changeover circuit 13 that selects the two antennas included in the set of the antennas set by the setting circuit and supplies the output to the changeover device.
Patent JP-2002317073-A (JP)
Title: Method for treating electroconductive silicone rubber molded product as waste
Inventor: FUKUSHIMA MOTOO
IPC: B29B17/04
Filed: 2001-04-19
Abstract: PROBLEM TO BE SOLVED: To efficiently decompose a silicone rubber molded product by treating the electroconductive silicone rubber molded product as a waste having high conductivity under nonaqueous solvent conditions not deteriorating electroconductive powder, particularly metallic powder by using an alkali metal alkoxide as a decomposition accelerator. SOLUTION: This method for treating the electroconductive silicone rubber molded product as the waste is characterized by immersing it which has electroconductive powder dispersed and contained in silicone rubber into a nonaqueous solvent containing the alkali metal alkoxide as the decomposition accelerator and not substantially containing water and treating the immersed product at >=40 deg.C to decompose the silicone rubber molded product.
Patent JP-2002319271-A (JP)
Title: Information processing device and method, recording medium and program
Inventor: MORITA TOSHIHIRO
IPC: G10L25/51
Filed: 2001-04-19
Abstract: PROBLEM TO BE SOLVED: To readily return edited additional information to the original additional information. SOLUTION: A music file storage section 68-1 stores the additional information 70 for an original PC and the additional information 71 for editing the PC for edition, formed by copying the additional information 70 for the PC. A GUI section 61 displays the additional information 71 for editing the PC on a display, to allow a user to edit the additional information. Based on the user's operation, a music management section 64 deletes the old additional information 71 for editing the PC, then copies the additional information 70 for the PC, and stores the same as the new additional information 71 for editing the PC in the music file storage section 68-1. As a result, the edited additional information 71 for editing the PC is returned to the original additional information.
Patent JP-2002316010-A (JP)
Title: Charged filter and mask using the same
Inventor: SUZUKI YOSHIHIRO
IPC: B01D39/16
Filed: 2001-04-20
Abstract: PROBLEM TO BE SOLVED: To provide a charged filter which has high collection efficiency continuously and is low in the initial pressure drop. SOLUTION: This charged filter is constituted by laminating a prefilter layer, main filter layer and a backup filter layer, the prefilter layer comprises charged nonwoven fabric of weight per unit area of 40-120 g/m<2> in which the fibers of averaged size 1-6 dtex are entangled, the main filter layer comprises charged nonwoven fabric which consists of fibers of averaged fiber diameter <=10 μm, the backup filter layer comprises charged nonwoven fabric of weight per unit area of 100-300 g/m<2> in which the fibers of averaged size 1-6 dtex are entangled and the weight per unit area of the backup filter layer is larger than the weight per unit area of the prefilter layer.
Patent JP-2002318465-A (JP)
Title: Electrophotographic toner and method for forming image by using the same
Inventor: SATOU YOUJIROU
IPC: G03G9/087
Filed: 2001-04-23
Abstract: PROBLEM TO BE SOLVED: To prevent toner deposition or image flow for a long time in an electrophotographic system using a positive electrification type organic photoreceptor. SOLUTION: In the electrophotographic toner used for a positive electrification type organic photoreceptor, rutile type titanium oxide is incorporated as an external treating agent into the toner particles containing a binder resin and magnetic particles. The amount of the rutile type titanium oxide added is controlled to the range from 5 to 10 vol% of the whole amount of the electrophotographic toner.