baber/WOPTO huggingface dataset:
Patent JP-2003009383-A (JP)
Title: Power supply
Inventor: UEMURA HITOSHI
IPC: G05F1/10
Filed: 2001-06-19
Abstract: PROBLEM TO BE SOLVED: To realize a power supply of high safety, in which a first output can also be stopped, when a second output is stopped due to short circuit, or the like, using a small number of components. SOLUTION: The power supply comprises an output voltage detection circuit 3, having a series connection of a shunt regulator 14 having an output voltage detection terminal (VREF) connected with a first resistor 4 and a second resistor 5 for dividing a first output voltage, a diode of a first photocoupler 13 connected with the control circuit section of a power supply 1, and a third resistor 12, an overvoltage detection circuit 2 comprising series connection of the diode of a second photocoupler 11 connected with the overvoltage protective circuit section of the power supply 1, a fourth resistor 10, and a Zener diode 9, and a DC-DC converter 6 for converting a first output into a second output, where a diode 7 is connected in the forward direction between the output voltage detection terminal (VREF) of the shunt regulator 14,  in the output voltage detection circuit 3 and the positive pole side of the second output.
Patent JP-2003004534-A (JP)
Title: Method of inspecting color tone of building material
Inventor: KUSAYAMA SHOHEI
IPC: G01J3/50
Filed: 2001-06-21
Abstract: PROBLEM TO BE SOLVED: To provide a method of inspecting color tone of a building material more precisely when inspecting gradation patterns printed on the building material. SOLUTION: This is a method for inspecting color tone of a building material 1 and a gradation pattern 3 printed on a top part 4 of a plate-like building material 1. The method photographs the spectral image on the upper surface 5 of the building material 1, extracts only color tone drawn on the top part 4, calculates the color tone value for each shape of the gradation pattern 3 adopted for printing, and the color tone value is collated with an inspection reference value prepared for each shape of the gradation pattern 3, and determines the acceptability of the color tone value.
Patent JP-2003008409-A (JP)
Title: Comparator circuit
Inventor: KATO YUKIO
IPC: H03K5/08
Filed: 2001-06-21
Abstract: PROBLEM TO BE SOLVED: To provide a comparator circuit with a hysteresis characteristic and an excellent response characteristic. SOLUTION: The comparator circuit is configured such that the comparator circuit is provided with; a current source; 1st and 2nd semiconductor elements whose one-side ends are connected to a point at a common level; and 3rd and 4th semiconductor elements whose one-side ends are connected to a point at the common level, a 1st input signal is applied to the 1st semiconductor element, a 2nd input signal is applied to the 2nd semiconductor element, the 3rd and 4th semiconductor elements configure a current mirror circuit, and an output circuit is connected to a connecting point between the 2nd and 4th semiconductor elements.  The comparator circuit is further provided with a 1st impedance circuit that is connected between the 4th semiconductor element and the point at the common level and the impedance of which is changed with an output signal from the output circuit or a 2nd impedance circuit that is connected between the 3rd semiconductor element and the point at the common level and the impedance of which is changed with an output signal from the output circuit.
Patent JP-2002063704-A (JP)
Title: Reading head protecting circuit and method
Inventor: IROAGA ECHERE
IPC: G11B5/00
Filed: 2001-06-22
Abstract: PROBLEM TO BE SOLVED: To protect the reading head of a hard disk drive. SOLUTION: This circuit 80 and the method 84 are arranged for protecting the reading head 18 of a hard disk drive system 100. A capacitor C1 is controllably connected to a dummy head RDUMMY during the VBIAS mode, and when turned back to the IBIAS mode, the capacitor C1 is controlled so as to have a low and predictable voltage to protect the reading head 18 from the damage. The circuit 80 includes a logic 82 and an algorithm 84 for deciding when the capacitor C1 is to be connected to the dummy head RDUMMY during the servo bank write(SBW) sequence.
Patent JP-2003013273-A (JP)
Title: Device for supplying electrolytic solution
Inventor: KAJI MASAHIRO
IPC: B01D35/02
Filed: 2001-06-27
Abstract: PROBLEM TO BE SOLVED: To improve maintenance for the time when salt is deposited on an apparatus for generating electrolyzed water, by composing a device for supplying an electrolytic solution as a separated container from the above apparatus, and further to easily supply the salt, easily accommodate them, and easily make an electrolytic solution of a constant concentration when using it. SOLUTION: This device for supplying the electrolytic solution comprises the main unit 21 having a compressible flexible part, for accommodating the electrolytic solution consisting of electrolyte and solution, a preventing means 24 for preventing excessive discharge of the electrolytic solution, which is releasably composed in the above main unit 21, a stub 23 having a protrusive opening 22 for spouting the electrolytic solution, which is communicated with the above preventing means 24, and a filtration means 25 in the above preventing means 24. Thereby, the device can be immersed in tap water for cleaning deposited salt, or spill in supplying salt, can be easily accommodated, consequently is superior in maintenance, and can supply a fixed amount of a saturated electrolytic solution of constant concentration.
Patent JP-2002217873-A (JP)
Title: Optical transmission system for radio access, and high- frequency optical transmitter
Inventor: SASAI HIROYUKI
IPC: H04B10/60
Filed: 2001-06-27
Abstract: PROBLEM TO BE SOLVED: To provide an optical transmission system where a frequency conversion part or an electric-optical conversion part is shared by a plurality of radio base stations by optically frequency-converting an IF signal into an RF signal. SOLUTION: A plurality of modulation parts 110 modulate an inputted baseband signal into the IF signals of different frequencies. A multiplexing part 120 multiplexes a plurality of modulated IF signals. The electric-optic conversion part 130 converts the multiplexed IF signal into an optical signal by an intensity-modulating system. A local oscillation signal source 140 outputs a local oscillation signal which has previously been decided. An outer modulation part 150 modulates the intensity of the optical signal by the local oscillation signal. An optical branching part 160 branches the optical signal, whose intensify is modulated and outputs the signals to the radio base stations. An optic-electric conversion part 21k converts the inputted optical signal into an electrical signal and obtains the RF signal obtained by frequency-converting the IF signal.  Only the desired radio frequency components in this RF signal extracted by a bandfilter part 22k in the RF signal is transmitted to a subscriber terminal from an antenna part 23k.
Patent JP-2003017608-A (JP)
Title: Package for housing semiconductor element and semiconductor device
Inventor: TANAKA NOBUYUKI
IPC: H01L23/04
Filed: 2001-06-27
Abstract: PROBLEM TO BE SOLVED: To always and stably operate a semiconductor element for a long period by assuring a hermetical sealability of the element to be housed therein. SOLUTION: A package for housing the semiconductor element comprises a base 1 made of a metal of a substantially rectangular shape having a screw mounting part 1b having a through hole 1c formed at bulged parts provided by extending four corners to an outside, a frame 2 made of a metal of a substantially rectangular shape in a planely observed, connected to a main surface of an upper side of the base 1 and having a mounting part 1a of an I/O terminal 3, and the I/O terminal 3 having a metallized wiring layer 3a engaged with the part 2a and electrically energizing an interior and an exterior of the frame 2. In this case, the parts 2a are provided at two adjacent sides of the frame 2. The hole 1c of the part 1b mounted at corners of the two sides provided with the parts 2a is provided at an inside sandwiched between extended surfaces of outside faces of the two adjacent sides.
Patent JP-2003017236-A (JP)
Title: Induction heating cooker
Inventor: TAKIMOTO HITOSHI
IPC: H05B6/12
Filed: 2001-06-28
Abstract: PROBLEM TO BE SOLVED: To enable to gain a large heating output irrespective of cooking ware types, and also, to enable simultaneously to prevent a heating breakdown of a switching element of an inverter main circuit with increase in the regenerative current. SOLUTION: The figure shows a relationship between an input current detecting voltage and a regenerated current detecting voltage of an inverter main circuit about a plurality of types of cooking wares (samples 'a' to 'c'). An output control circuit for the inverter main circuit determines whether or not the cooking ware is of a standard material (iron and iron family) based on whether or not the regenerated current detecting voltage is over a standard value B before the input current detecting voltage reaches a judging value A. When the cooking ware is of a standard material, the regenerated current detecting voltage is controlled not to exceed a standard limiter line L, and when the cooking ware is not of a standard material (magnetic stainless steel or the like), an input current limiter line M and a regenerated current limiter line N are set, then, the input current detecting voltage and the regenerative current detecting voltage are controlled not to exceed the respective limit line M and N.
Patent JP-2003014120-A (JP)
Title: Wear-resistant ring and manufacturing method therefor
Inventor: TAKIGUCHI HIROSHI
IPC: F16J1/00
Filed: 2001-06-29
Abstract: PROBLEM TO BE SOLVED: To provide a wear-resistant ring and a manufacturing method therefor with excellent machining property of a ring groove. SOLUTION: A pair of green compacts in a shape of stepped ring made of mixture of metallic powder with graphite powder. A ring-like easy-to-work material worked in a dimension and shape approximately corresponding to a piston ring groove is sandwiched between parts corresponding to the piston ring grooves of the pair of the green compacts, and they are sintered to be integrated. Preferably, the easy-to-work material is preferably a sintered body having a composition in which 0.1-3% of a kind or a plurality kinds of machining property improving particles selected from MnS, CaF2 , BN, and enstatite, 0.8-1.1% of C, and 0-4% of Cu are contained with the remaining substantially Fe, and having pearlitic structure as matrix structure. The easy-to-work material may be a solvent-soluble heat resistant material. Preferably, the metallic powder is preferably austenitic stainless steel powder.
Patent JP-2003013447-A (JP)
Title: Leader
Inventor: IKEDA MUNEYOSHI
IPC: E02D7/16
Filed: 2001-06-29
Abstract: PROBLEM TO BE SOLVED: To provide a leader, to which a Cable Bear (R) moved in the longitudinal direction while being moved in the vertical direction is not caught. SOLUTION: The leader is opened to left-right sides by a leader body 35 composed of a front plate 32, a rear plate 33 and a connecting plate 34 and protective members 36 fixed at the end sections of the front plate 32 and the rear plate 33 and has an approximately U-shaped guide section 31. In the leader, the protective members 36 have arcuate-section forming surfaces being wider than the plate thickness of the front plate 32 and the rear plate 33 and being directed in the longitudinal direction. Accordingly, since the contact areas of the Cable Bears for the protective members 36 are widened and the leader is formed in the arcuate-section forming surface, the Cable Bears moved in the longitudinal direction while being moved in the vertical direction are not caught.
Patent JP-2003014058-A (JP)
Title: Holder for mounting two-stage gear
Inventor: IZUMI MITSUO
IPC: F16H57/023
Filed: 2001-06-29
Abstract: PROBLEM TO BE SOLVED: To easily mount a plurality of two-stage gears. SOLUTION: This holder has a holding plate 32 that is made of flexible material and removably holds all two-stage gears 22 with its own elasticity. The holder has marks 34 for matching phases of all two-stage gears 22 by matching marks 29 indicating reference positions in the rotation direction of each two-stage gear 22.
Patent JP-2003010384-A (JP)
Title: Slot machine
Inventor: NAKAJIMA KAZUTOSHI
IPC: A63F5/04
Filed: 2001-06-29
Abstract: PROBLEM TO BE SOLVED: To easily change a machine kind in a slot machine having a direction control means independently of a directing device and a game control means which are intrinsic to the machine kind. SOLUTION: The slot machine 1 is roughly divided into a slot machine main body 30 consisting of a rear casing 31 and a front door 32, an exchange unit 11 to be housed inside the slot machine main body 30, a liquid crystal display unit 25 attached to the rear side of the front door 32 and upper and lower decorative panels 41 and 42 which are attached to the front side of the front door 32. The exchange unit 11 is formed by integrally assembling a reel unit 21, a game control baseboard 22 and a direction control board 23. The exchange unit 11 is inserted by sliding to the inner part of a rear casing 31 by rails 31b and 11a, 31c and 11b, placed on a shelf board 32a and fixed with stoppers 31d and 31e.
Patent JP-2003013977-A (JP)
Title: Rolling bearing
Inventor: ASAI HIROMITSU
IPC: F16C33/78
Filed: 2001-06-29
Abstract: PROBLEM TO BE SOLVED: To provide a rolling bearing having a superior wear-resistant property of a seal lip portion and having a low level of rotary torque and seal noises and further capable of maintaining superior sealing capability for a long time. SOLUTION: In the deep groove ball bearing comprising an outer ring 12, an inner ring 13, a plurality of balls rotatably arranged between the outer ring 12 and inner ring 13, a resin seal 16 installed in the outer ring 12 and lying between both rings 12 and 13, and lubricant filled up inside the seal 16 and between both rings 12 and 13, and also comprising a lip portion 16b of the seal 16 having a lip surface 18a slidably keeping in contact with the inner ring 13 and a lip surface 18b forming a gap between the inner ring 13 and the lip surface 18b, a lubricant reservoir accommodating the lubricant is arranged in the lip surfaces 18a and 18b.
Patent JP-2003018182-A (JP)
Title: VoIP COMMUNICATION DEVICE AND GATEKEEPER DEVICE
Inventor: AZUMA KAZUMASA
IPC: H04L45/586
Filed: 2001-07-03
Abstract: PROBLEM TO BE SOLVED: To enhance the possibility of a call being continued, when there are VoIP communication equipment having IP addresses which correspond to the same calling destination number. SOLUTION: When there are a plurality of VoIP communication terminals 4, having IP addresses corresponding to the calling destination number of a call incoming from a voice terminal 5 housed by its own VoIP communication terminal 4, a calling control part 401 conducts a calling control procedure with another VoIP communication terminal 4 by slide calling processing, when the VoIP communication terminal 4, with which the calling control procedure is executed is disabled of communication. Then, the calling control part 401 repeats the slide calling processing, until the VoIP communication terminal 4 which is able to reply to the connection of the call appears in accordance with a preset order.  Only when all the VoIP communication terminals 4 reject the connection of the call, will the calling execute call busy processing to the voice terminal 5 housed by own VoIP communication terminal 4.
Patent JP-2003021292-A (JP)
Title: Device for exchanging material gas during piping
Inventor: YAMAGISHI HIROYUKI
IPC: F16L55/07
Filed: 2001-07-05
Abstract: PROBLEM TO BE SOLVED: To exchange material gas of a new pipe by an unmanned or one- manned remote operation. SOLUTION: This device is for fully exchanging gas inside the new pipe 7 continuously extending from an open/close valve connection part A near a feed side (primary side) of the material gas to the other open/close valve connection part B with the same material gas as the primary side. It comprises an air supply part communicating and connecting a material gas feed device 2 with a branch pipe 3 fixed close to the valve connection part A via an automatic switching valve 1 with a pressure switch, an exhaust part communicating with the valve connection part B and connecting with the other automatic open/close valve 4 with a pressure switch, and a signal circuit for connecting both the automatic open/close valves 1, 4 via a control device 6.  Opening and closing of the automatic open/close valves 1, 4 are controlled according to the pressure values of the air supply part and the exhaust part.
Patent JP-2003019891-A (JP)
Title: Writing utensil refill
Inventor: ABE HIROYASU
IPC: B43K7/02
Filed: 2001-07-10
Abstract: PROBLEM TO BE SOLVED: To secure a sufficient ink supply from an ink reservoir barrel to a pen tip, even when the outside diameter of the ink reservoir barrel is small and ensure the positive connection between a pen tip retaining barrel and the ink reservoir cylinder. SOLUTION: The writing utensil refill 1 is structured of a pen tip 2, the pen tip retaining barrel 3 of a synthetic resin for retaining the rear end part outer face of the pen tip 2 and the ink reservoir barrel 4 of a synthetic resin equipped with the pen tip retaining barrel 3 at the forward end part. A metal connecting barrel 5 is forced into the rear end part inner face of the pen tip retaining barrel 3 and the forward end part inner face of the ink reservoir barrel 4. Thus the connection between the pen tip retaining cylinder 3 and the ink reservoir barrel 4 is achieved.
Patent JP-2003028617-A (JP)
Title: Method and apparatus for measurement of film thickness as well as method and apparatus for formation of magnetic recording medium
Inventor: KIKUCHI KIYOYUKI
IPC: G11B5/84
Filed: 2001-07-10
Abstract: PROBLEM TO BE SOLVED: To provide a film-thickness measuring apparatus by which the film thickness of two layers on the whole face and in the whole length of a magnetic recording medium can be measured and by which the film thickness during a coating process can be measured in real time. SOLUTION: The film-thickness measuring apparatus comprises a light emitting part 60 as a light source by which first polarized light and second polarized light having different polarization directions can be output toward the magnetic recording medium, a light receiving part 65 which detects quantities of light of the first polarized light and the second polarized light transmitted through the recording medium, and a controller 80 as a film-thickness calculation means which calculates the film thickness of a first layer and that of a second layer on the basis of a quantity of light to be output from the part 60 and on the basis of the quantities of light received by the part 65.
Patent JP-2003031650-A (JP)
Title: Method for manufacturing semiconductor device
Inventor: NISHIYAMA YUKIO
IPC: H01L21/3105
Filed: 2001-07-13
Abstract: PROBLEM TO BE SOLVED: To fill a trench having a high aspect ratio without generating any void. SOLUTION: In a process for filling an isolation trench with an insulation film, a silicon oxide film deposited by HDP-CVD and a silicon oxide film deposited by SOG are laid in layer thus preventing the generation of void and enhancing yield.
Patent JP-2003025288-A (JP)
Title: Punching device for mounting substrate
Inventor: KAWANO MIYOSHI
IPC: B26F1/44
Filed: 2001-07-16
Abstract: PROBLEM TO BE SOLVED: To provide a punching device for a mounting substrate capable of flexibly responding to various mounting substrates and manufacturable at a low cost. SOLUTION: A cutting edge 14 is passed through each hole 131 of a holding plate 13 to fix the holding plate 13 to a frame 12 and to fix a bottom plate 11 to the frame 12. Thus, a base for holding the cutting edge 14 is certainly held between the holding plate 13 and the bottom plate 11. The cutting edge is fixedly built in a laminating plate of a resin plate and a metal plate in upper/ lower cutting edge support bodies of a conventional mounting substrate punching device, so that they are manufactured every mounting substrate and must be scrapped when they are not required. However, in upper/lower cutting edge support bodies of the conventional mounting substrate punching device of the present invention, only the holding plate is customized in response to the mounting substrate, and the other cutting edge, frame, and bottom plate can be used incommon for all mounting substrates.  Therefore, the punching device is easily manufactured, only the holding plate is scrapped when it is not required, and the holding plate is metal and thus can be recycled.
Patent JP-2003025152-A (JP)
Title: Method for improving rolling surface of nut screw for ball screw
Inventor: KAMIYA TORU
IPC: B23G1/18
Filed: 2001-07-19
Abstract: PROBLEM TO BE SOLVED: To provide a method for improving a rolling surface of a nut screw for a ball screw in which the machining can be performed irrespective of the shape of the rolling surface of the nut screw, and the machining cost can be reduced. SOLUTION: The method for improving the rolling surface of the nut screw for the ball screw comprises a first step of turning or cutting the spiral rolling surface 8 of the nut screw 4 for the ball screw with a ball 5 of the ball screw rolling thereon, a second step of performing the surface hardening heat treatment by the carburizing or the induction hardening of the spiral rolling surface 8 obtained in the first step, and a third step of performing the surface finish by the electrolytic polishing of a surface-hardened layer of the spiral rolling surface 8 obtained in the second step.
Patent JP-2003026744-A (JP)
Title: Radiation-curable resin composition and method for forming pattern utilizing the same
Inventor: FURUKAWA AKIRA
IPC: C08F299/00
Filed: 2001-07-19
Abstract: PROBLEM TO BE SOLVED: To find a system responsive to radiation to rapidly cure with high sensitivity and to find a method for forming a pattern utilizing the same. SOLUTION: The radiation-curable resin composition comprises a polymer bearing a styrenic double bond in its side chain and a compound generating a radical by irradiation, and is free from an acrylate monomer and an acrylate oligomer.
Patent JP-2003025784-A (JP)
Title: Writing instrument and method for manufacturing its grip cylinder
Inventor: NAGAMINE KAZUO
IPC: B43K23/008
Filed: 2001-07-23
Abstract: PROBLEM TO BE SOLVED: To effect an antislipping action when a grip cylinder is grasped and to obtain a suitable elastic action in a writing instrument having the grip cylinder. SOLUTION: The writing instrument comprises the grip cylinder (2) having a substrate (3) formed of a hard material, an inner surface soft elastic section (5), and an outer surface soft elastic section (4) formed by injection molding a soft elastic material according to a procedure of dichroic molding or insert molding at an inside surface and an outside surface of the substrate (3). The cylinder (2) is mounted in a barrel (1) of the instrument in a state in which the elastic section (5) is brought into contact with a small-diameter part (8) of the barrel (1).