baber/WOPTO huggingface dataset:
Patent JP-2001211646-A (JP)
Title: Alternating-current voltage regulator
Inventor: HATAKEYAMA YOSHIHIRO
IPC: H02M5/12
Filed: 2000-01-27
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive, small-sized alternating-current voltage regulator through adoption of four switching elements and compensate voltage drop in distribution lines. SOLUTION: A duty wave for control matched with a power supply phase is produced at a PWM control portion 54 and a phase control portion 57 according to the difference between a target voltage set on a target voltage setting portion 53 and a voltage detected at a voltage detecting portion 52. Inverter output smoothed by controlling the switching elements Q1 to Q4 of an inverter 3 is passed through a differential transformer 4 installed between an alternating- current power supply 1 and a load 2 to regulate voltages on the load side.
Patent JP-2000286297-A (JP)
Title: Mounting method for electronic component and its device
Inventor: NISHIDA KAZUTO
IPC: H01L21/60
Filed: 2000-01-28
Abstract: PROBLEM TO BE SOLVED: To provide an electronic component mounting method for jointing an electronic component to a board with high productivity and high reliability, without the need for a sealing resin process and a bump leveling process after the joint of the circuit board and the electronic component is made. SOLUTION: In a mounting method, bumps and board electrodes are positioned by interposing an insulating resin 6, containing inorganic fillers 6f between the bumps 3 formed on the electrodes 2 of an IC chip 1 and the board electrodes. A chip is pressurized to a board by a head 8 with the welding pressure of not less thin 20 gf per bump. The warpage of the chip and the board is corrected, and insulating resin 6m is cured while the bumps are crushed to joint the chip and the board.
Patent JP-2001208975-A (JP)
Title: Microscopic device
Inventor: UENO YASUNORI
IPC: G02B21/00
Filed: 2000-01-28
Abstract: PROBLEM TO BE SOLVED: To make diopter adjustable without depending on observer's subjectivity in a microscopic device which is equipped with an optical system for guiding a luminous flux made incident from an objective lens to an eyepiece and where the position of the eyepiece in an optical axis direction is varied. SOLUTION: This microscopic device is equipped with the optical system for guiding the luminous flux made incident from the objective lens to the eyepiece, and the position of the eyepiece in the optical axis direction is varied. It is equipped with a detection means 102 detecting the position of the eyepiece in the optical axis direction and a display means 42 displaying the detected result by the detection means 102.
Patent JP-2001214877-A (JP)
Title: Scroll compressor
Inventor: KOBAYASHI NORIHIDE
IPC: F04C29/00
Filed: 2000-01-31
Abstract: PROBLEM TO BE SOLVED: To eliminate the difficulty in assembling oil discharge passages for returning lubricating oil after lubricating a sliding part to a lubrication oil reservoir without being mixed with fluid gas. SOLUTION: A shell inside oil discharge passage 67 and a motor part oil discharge passage 9a fixed to a frame oil discharge passage 4b are connected by elastic force of elastic body passages 69, 71 via the elastic body passages.
Patent JP-2001206524-A (JP)
Title: Belt conveyor system
Inventor: MASUDA YOSHIMI
IPC: B65G21/00
Filed: 2000-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a belt conveyor system easy to position the belt conveyor system against an installing machine, excellent in workability and in a storing property and excellent in a product aligning property. SOLUTION: A moving means 9 free to make contact with and to be separated from an installing machine 8 and positioning fixing means 12, 13, 14 to position a conveyor installing position against the installing machine 8 are provided on a conveyor body on this belt conveyor system 1 furnished with the conveyor body, a ring belt 2 suspended on the conveyor body, a belt driving mechanism part to rotate the belt 2 and a product receiving part 3 to receive a product.
Patent JP-2001211953-A (JP)
Title: Bearing assembling structure for legless chair
Inventor: NIIMOTO YOSHIHARU
IPC: A61H7/00
Filed: 2000-02-01
Abstract: PROBLEM TO BE SOLVED: To provide a beating assembling structure for a legless chair improved so as to attain improvement in assembly ability. SOLUTION: This structure is provided with a back frame 31 for supporting a back cushion and a side frame 42 for supporting the back frame 31, and a reclining shaft 6 integrally provided with a flange 62 is interposed between the back frame 31 and the side frame 42 and a bolt inserting hole 621 is bored on the flange 62. On the other hand, a bracket 311 is provided with a bolt inserting hole 313 corresponding to the bolt inserting hole 621 and a nut N, an axial hole 42a for supporting the fram 42 by letting the reclining shaft 6 pass through is bored on the side frame 42, and a bolt bead passing hole 44, through which the head of a bolt can be passed, is bored at a position opposite to the bolt inserting hole 621.
Patent JP-2001214666-A (JP)
Title: Operation data collection system for automatic door
Inventor: ONOZUKA TAKESHI
IPC: G01D9/00
Filed: 2000-02-03
Abstract: PROBLEM TO BE SOLVED: To provide an operation data collection system when a door is opened and closed capable of obtaining the speed data continuously, easily and advantageously in terms of cost in addition to output such continuous opening and closing data on the job site and to permit data comparison before and after adjustment rapidly. SOLUTION: The device comprises a door speed detection means for directly measuring the opening and closing speed of the automatic door 1 with a reflection type photo sensor or the like and a storage section 4E for storing the measured opening and closing speed data. For example, reflected light from a reflection body 2 adhered to the automatic door 1 is identified by a photo sensor 3 and a pulse signal is output, and arithmetic sections 4C, 4D of a portable terminal device 4 calculate the opening and closing speed and time of the automatic door 1 based on the signal. Also, as an output means for outputting the opening and closing speed data, a display device having a display screen 4G or a printer 4H printable on a paper 5 is provided in configuration.  By doing this, no connection to a motor and a controller for driving the automatic door 1 is required, and a door speed curves as continuous speed data during opening and closing can be easily made available on the spot.
Patent JP-2001287296-A (JP)
Title: Tranparent foil powder and formed item containing foil powder
Inventor: MURAKAMI YOSHINAGA
IPC: B32B9/00
Filed: 2000-02-04
Abstract: PROBLEM TO BE SOLVED: To provide an extremely thin uniformly thick foil powder having transparency and electroconductivity and to provide a formed item obtained by adding the foil powder to a resin such as a film, a sheet, a coated film and other item of a string shape or an other arbitrary shape showing excellent flexibility to donate an excellent flex resistance, transparence, conductivity and other various properties. SOLUTION: A foil powder is a cashed flake of a laminate having a resin layer at least on one side of an inorganic thin film such as indium oxide, the crashed flake having a thickness of 0.1 to 5 μm, an average diameter of 0.5 to 500 μm and a light transmission of not less than 10% at a wave length of 500 nm. A resin formed item is a film, a sheet, a coated layer or an item of a string shape or an arbitrary shape containing the transparent foil powder formed by using a resin containing the foil powder.
Patent JP-2001218018-A (JP)
Title: Picture reading method and picture reader
Inventor: OUCHI SATOSHI
IPC: H04N1/107
Filed: 2000-02-04
Abstract: PROBLEM TO BE SOLVED: To prevent the occurrence of background information being an obstacle, which cannot be removed by an original frame deleting processing when the original of a different size is read, and to prevent the sight through of an original in a regular size. SOLUTION: A variable color panel 5 such as a liquid crystal display panel is installed in an original cover 4. When the original in the size except for the regular size is read, the color of the variable color panel 5 is controlled to colors (white and yellow) that can be considered to be similar to the base color of the original. For reading the original in the regular size, the color of the variable color panel 5 is controlled to the color (black) effective for preventing sight through.
Patent JP-2001220917-A (JP)
Title: Vibration-damping duilding using horizontal vibration- damping device
Inventor: MINEWAKI SHIGEO
IPC: E04H9/02
Filed: 2000-02-09
Abstract: PROBLEM TO BE SOLVED: To provide a vibration-damping building having a horizontal vibration- damping device displaying a vertical-damping effect by using deformation of a building frame by horizontal force of an earthquake, etc. SOLUTION: Two fulcrums are provided with a distance in the axial direction of an objective member to deform to extend and contract in the axial direction as a building receives horizontal force, two rotating members one ends of which are supported by the two fulcrums and the objective member form a triangle as they are arranged with the fulcrums at positions with a distance in the orthogonal direction with an axis of the objective member, and the fulcrums of the two rotating members are connected to each other free to rotate. A fixed plate is provided in arrangement in parallel with rotating surfaces of the two rotating members, a rotating plate is provided in arrangement in parallel with the fixed plate on the rotating member, and a horizontal vibration- damping device is constituted by setting a viscoelastic body in a clearance between the fixed plate and the rotating plate.
Patent JP-2001272256-A (JP)
Title: Vortex flowmeter
Inventor: ABE CHIKAAYA
IPC: G01N21/65
Filed: 2000-02-15
Abstract: PROBLEM TO BE SOLVED: To provide a vortex flowmeter with which also the flow rate of a fluid can be measured, without errors as much as possible, when a flow in two back-and- forth directions exists inside a pipeline and when the fluid generates a pulsating flow. SOLUTION: In the vortex flowmeter, a first vortex generating body 2a which generates Karman's vortexes m with reference to a flow in one direction and a second vortex generating body 2b which generates Karman's vortexes with respect to a flow in the opposite direction are provided inside a pipe 1, and Karma 's vortexes m, which are generated by the respective vortex generating bodies 2a, 2b are detected by vortex detection means X, Y. A conventional vortex flowmeter, which uses Karman's vortexes can detect a flow rate in one direction. The vortex flowmeter can detect the flow rate of the fluid which generates the flow in both directions inside the same pipe. When a reverse flow, such as the pulsating flow is generated, Karman's vortexes which are generated by the first and second vortex generating bodies 2a, 2b are detected respectively by the vortex detection means X, Y, and the output value of the number of pulses or the like is subtracted. Therefore, the flow in the opposite direction can be offset, and the flow rate which is as precise as possible can be detected.
Patent JP-2001227210-A (JP)
Title: Latch member
Inventor: KINOSHITA TAKUO
IPC: E05B15/10
Filed: 2000-02-16
Abstract: PROBLEM TO BE SOLVED: To provide a latch member at reduced cost without requiring complex processes for manufacturing it. SOLUTION: Of two sides 8 and 18 of the latch member 1 which are formed in adjacent relation via an obtuse ridgeline for effecting alternative operations of the latch member 1 in a normal position and in an inverted position, the side 18 is formed by a grooved receiving part 19. Only the grooved receiving part 19 is formed by cutting. The side 18 serving as an undercut during die forming is obtained by performing a cutting operation once after the die forming.
Patent JP-2001226931-A (JP)
Title: Impeller for removing snow
Inventor: FUBE MAKOTO
IPC: E01H5/09
Filed: 2000-02-17
Abstract: PROBLEM TO BE SOLVED: To improve the throwing capacity of snow in an impeller for removing snow applied for the blower of a snow removal device of a totary snow removal vehicle, a two-stage system (auger blower system) in particular. SOLUTION: The impeller is constituted of a main body 2, a boss 3, and an impeller 4. The impeller 4 is protrusively curved so as to extend along an inclined line 7 whose curved ridgeline 5 is tilted rearward by a specified angle θfrom the radius direction line 6.
Patent JP-2001227919-A (JP)
Title: Optical fiber sensor
Inventor: KURII MASATO
IPC: G01B11/16
Filed: 2000-02-17
Abstract: PROBLEM TO BE SOLVED: To provide a sensor with excellent accuracy of detecting the deformation of a structure, and easy and inexpensive to install, maintain and control. SOLUTION: The sensor includes optical fiber fixing portions 3 installed on plural portions of the structure 51, and an optical fiber 4 laid along the structure 51 by being fixed to the optical fiber fixing portions 3 and extended between the fixing portions 3. As the structure 51 is deformed, the adjacent optical fiber fixing portions 3 are moved toward or away from one another whereby elongation and distortion of the optical fiber 4 extended between the optical fiber fixing portions 3 is varied.
Patent JP-2001233516-A (JP)
Title: Method of holding lateral both end parts of film-shaped object
Inventor: TOYA YOSHIHIRO
IPC: B65H20/16
Filed: 2000-02-21
Abstract: PROBLEM TO BE SOLVED: To provide a method of holding the lateral both end parts of a film- shaped object with sufficient accuracy and strength and long service life by eliminating defects of insufficient accuracy and strength due to the use of a curved chain increasing a clearance between a bush and a pin shaft and early looseness causing a short service life. SOLUTION: This method of holding a film-shaped object is formed so that the film-shaped object is fed between a pair of clip chains opposed to each other at a distance generally equal to the width dimension of the film-shaped object and having a plurality of clips installed thereon and the lateral both end parts of the film-shaped object are held by the clips. When holding the film-shaped object, before an area holding the film-shaped object the lateral sectional shape of the film-shaped object is warped generally in an arc shape to make the lateral dimension smaller than the clearance of the pair of click chains. In an area for holding the film-shaped object, the lateral sectional shape of the film-shaped object warped generally in the arc-shaped is stretched linearly, inserting the film-shaped object into the clips for holding.
Patent JP-2001232287-A (JP)
Title: Coating film forming method
Inventor: YAMAMOTO HIROYUKI
IPC: B05D1/26
Filed: 2000-02-25
Abstract: PROBLEM TO BE SOLVED: To provide a coating film forming method for forming a coating film of a uniform thickness all over the whole surface of a material to be coated such as a base without generating flashes on the outer periphery of the formed film. SOLUTION: A fixed frame 2 of a similar figure of the base 1 having a recess slightly larger than the outer diameter of the base 1 formed on one face of the base is used. First, the base 2 is disposed on the recess of the fixed frame 2. Then a fluid 3 composed of a resin component and a solvent is applied thereon. Successively a solvent in the fluid 3 is dried until the fluid is removed. When the fluidity of the fluid 3 is completely removed, the base 1 is removed from the fixed frame 2. Successively an outer frame with an opening of the similar shape to the shape of the base 1 and larger than the outer diameter of the base 1 is moved from the side of a face of the base whereon the fluid is applied into the direction of an uncoated face, and a section protruded to the base side is removed, and then the fluid is sufficiently dried.
Patent JP-2001243831-A (JP)
Title: Shelf assembly having illumination device and desk provided with it
Inventor: UEDA TAKAHARU
IPC: F21V33/00
Filed: 2000-02-25
Abstract: PROBLEM TO BE SOLVED: To mount an illumination device to a shelf assembly without adversely affecting the housing efficiency thereof. SOLUTION: The shelf assembly 3 consists of an upper shelf 3a and a lower shelf 3b each having side plates 5, rear plates 6, 7, and a bottom plate 8. A gap 14 is provided between the upper and lower back plates 6 and 7. A support body 15 is provided with a channel-shaped bottom mounted on the upper end of the lower rear plate 7 so as to hold an illumination fixture 16.
Patent JP-2001242151-A (JP)
Title: Method for determining hexavalent chromium in copper oxide
Inventor: YOSHIDA HIROSHI
IPC: G01N1/28
Filed: 2000-03-01
Abstract: PROBLEM TO BE SOLVED: To provide a method for hexavalent chromium dissolved in copper oxide without causing its valence value to change even in the presence of copper and accurately determining hexavalent chromium. SOLUTION: When quantitatively determining hexavalent chromium contained in a copper oxide, the copper oxide is dissolved at 20-30 deg.C through the use of concentrated nitric acid of a concentration of 60-61%. The solution is used as a sample to determine hexavalent chromium, using a method such as diphenyl carbazide absorption method as stipulated by JIS K 0102.
Patent JP-2000196295-A (JP)
Title: Component recognition device of packaging machine
Inventor: NISHIKAWA KOICHI
IPC: H05K13/08
Filed: 2000-03-01
Abstract: PROBLEM TO BE SOLVED: To enhance the accuracy of recognition of a component by taking in a component image of brightness more suitable for recognition of the image. SOLUTION: A sensor unit 23 composed of a sensor main body 25 having a line sensor and of an illumination unit is provided, and a component sucked on a nozzle member is recognized by moving a head unit in relation to the sensor unit 23. The illumination unit is constituted of a large number of LEDs 27 mounted on a substrate 28 and of a diffusing plate 29 and is disposed above the sensor main body. Slits 28a and 29a for taking in an image are formed in the substrate 28 and the diffusing plate 29, and these are slanted respectively on the opposite sides of the slits 28a and 29a as the bottoms of troughs. As a result, the LEDs 27 are disposed in the shape of a letter V practically.
Patent JP-2001244354-A (JP)
Title: Method for fabricating semiconductor device
Inventor: KATO YOSHIKI
IPC: H01L21/8249
Filed: 2000-03-02
Abstract: PROBLEM TO BE SOLVED: To provide a method for fabricating semiconductor device capable of restraining channeling which is tend to occur while forming a source-drain. SOLUTION: In a process of fabricating BiCMOS, a bipolar base layer 10 is formed, a polycrystal silicon layer 15 and an insulating layer 16 are formed by lamination, then the layer is patterned to form an emitter electrode 17 and a gate electrode 18. Then, ion is implanted for source/drain formation, with the insulating layer 16 left on the emitter electrode 17 and the gate electrode 18. Thus, ion penetration to the area just below the gate electrode 18 is prevented.
Patent JP-2001249251-A (JP)
Title: Optical connector
Inventor: WATANABE TAKEHITO
IPC: G02B6/36
Filed: 2000-03-03
Abstract: PROBLEM TO BE SOLVED: To provide an optical connector that fixes an optical fiber with a small number of parts without using an adhesive and that facilitates application. SOLUTION: A housing 14 is fitted to a hollow body holding member 16 in which an annular member 20, spring member 22 and an optical fiber holding member 18 are incorporated, thereby generating a force for holding an optical fiber and, if a ferrule is equipped, also generating a force for extruding the ferrule.
Patent JP-2001248604-A (JP)
Title: Control method and control device for pneumatic actuation device
Inventor: KIMURA MASAHIDE
IPC: F15B11/06
Filed: 2000-03-06
Abstract: PROBLEM TO BE SOLVED: To control a pneumatic actuation device in accordance with a demand power. SOLUTION: This method is provided with a supply process of supplying pneumatic pressure to a pneumatic actuation device, a detection process of detecting supply pressure of the pneumatic pressure and flow rate of supply gas, a multiplication process of multiplying the detected supply pressure by the flow rate, a comparison process of comparing the determined power determined by multiplication with a demand power demanded to the pneumatic actuation device, and a power regulation process of regulating supply quantity of the pneumatic pressure in accordance with result of comparison, and supply of the pneumatic pressure is increased when the demand power is larger, while supply of the pneumatic pressure is reduced when the determined power is larger.
Patent JP-2001250752-A (JP)
Title: Manufacturing method of electric double-layer capacitor and manufacturing device thereof
Inventor: UEDA SADAHIKO
IPC: H01G11/42
Filed: 2000-03-07
Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method of an electric double layer capaci tor of a structure that the combination size of the capacitor is stable and the capacitor is superior in sealing. SOLUTION: An electric double layer capacitor is manufactured by a method, where a cathode electrode 24 and an anode electrode 22 are pinched between a sealing plate 23 and a case 21 via a separator 25 in a space 38, wherein a sealing plate holding jig 31 is formed of a combination jig 32 inserted with an insertion hole 37 and a case holding jig 33, while an exhaust using a vacuum suction is performed through a vacuum suction hole 35 and the electrodes 24 and 22 are sealed with the sealing plate 23 and the case 21 with a sealing compound 27 via a gasket 26.
Patent JP-2001246730-A (JP)
Title: Screen printing method
Inventor: MIYAHARA SEIICHI
IPC: H05K3/34
Filed: 2000-03-07
Abstract: PROBLEM TO BE SOLVED: To provide a screen printing method capable of reducing paste discarded without being printed and capable of excluding wasteful work at the time of step change/maintenance. SOLUTION: In the screen printing method wherein cream solder 5 is pressed by a pressure plate 32 while a squeegee head 13 storing cream solder 5 is moved to apply printing to a substrate 3 through the pattern apertures of a mask plate 12, when the squeegee head 13 is separated from the mask plate 12, the squeegee head 13 is horizontally moved by a predetermined distance in such a state that the pressing of the cream solder 5 is stopped and subsequently raised from the mask plate 12. By this constitution, the squeegee head 13 can be separated from the mask plate 12 in such a state that the close contact state of the cream solder 5 with the upper surface of the mask plate 12 is lowered and the adhesion and remaining of the cream solder 5 on the upper surface of the mask plate 12 can be prevented.
Patent JP-2001253210-A (JP)
Title: Pneumatic tire for cart
Inventor: NOGUCHI YOJI
IPC: B60C9/06
Filed: 2000-03-10
Abstract: PROBLEM TO BE SOLVED: To improve the operation stability by improving the grounding follow-up ability under a large fluctuation of load to be generated when cornering at a high speed. SOLUTION: This pneumatic tire for cart has a carcass 5 provided with a tread part 1, a side wall part 2, and a bead part 3 and extended between the bead cores 4 arranged in the bead part 3, and has a tread rubber 6 arranged in the periphery of a crown part of the carcass 5. A mean value (TRc1) of the outline curvature radius over 70% of 50% of a grounding half width (TW/2) from a tire equatorial (CL) to both sides, a mean value(TRc2) of the outline curvature radius over 70% of 50-90% of the grounding half width (TW/2), and the maximum tire width (SW) are set so as to satisfy the following condition: TRc1=50-600 (mm), TRc1/SW=0.35-3.50, TRc2=30-200 (mm), TRc2/SW =0.20-1.20.