baber/WOPTO huggingface dataset:
Patent JP-2002207459-A (JP)
Title: Driving method of liquid crystal display device, driving circuit of liquid crystal display device, liquid crystal display device and electonic equipment
Inventor: IIZAKA HIDETO
IPC: G02F1/133
Filed: 2001-01-10
Abstract: PROBLEM TO BE SOLVED: To suppress the generation of flicker and also to improve the aperture ratio. SOLUTION: The device has pixels 1 each of which is made of an electrode 3 which is arranged at each of the crossing points of multiple scanning lines 22 and multiple data lines 21, a switching element 2 which controls the voltage applied to every pixel electrode, liquid crystals held at each of the crossing regions of the multiple data lines and multiple scanning lines and an opposing electrode 4 which is oppositely arranged with respect to the pixel electrode. The device is provided with control signals to conduct a.c. driving while data are written into each of the pixels. Moreover, the device has a gamma converting circuit 13 to compensate for the data to be written into each of the pixels so that the optical characteristics of the pixels in a positive polarity segment and the optical characteristics of the pixels in a negative polarity segment become the same.
Patent JP-2002206989-A (JP)
Title: Retroreflective performance measuring device
Inventor: TANAKA KAZUYOSHI
IPC: G01M11/02
Filed: 2001-01-10
Abstract: PROBLEM TO BE SOLVED: To provide a retroreflective performance measuring device capable of measuring the reflective performance of a retroreflective material by space saving without cutting out a sample. SOLUTION: A light source 11, a reflecting member 12 reflecting the light irradiated from the light source 11 toward the retroreflective material 13, and a condensing optical system 14 arranged between the reflecting member 12 and the retroreflective material 13 are combined. Since the course of light is changed by the reflecting member 12 and the condensing optical system 14, the retroreflective performance measuring device can be made more compact than the conventional measuring device. The work for fitting a sample piece cut out from a measured object to the device is not required.
Patent JP-2002214884-A (JP)
Title: Image forming device
Inventor: SEKIGUCHI MANAMI
IPC: G03G9/08
Filed: 2001-01-15
Abstract: PROBLEM TO BE SOLVED: To provide an ozoneless/cleanerless image forming device constituted, so that image forming operation is stably performed over a long period. SOLUTION: For the image forming device provided with an image carrier 1, a flexible electrifying member 20 forming a contact part (a) with the image carrier 1, electrification accelerating particles M lying in the contract part (a) where the image carrier 1 comes into contact with the electrifying member 20, a developing member 40 for visualizing an electrostatic latent image formed on the image carrier 1 with developer and a control member 42 for controlling the thickness of the developer (t) lying on the surface of the developing member 40, the shape of the developer particle (t) is spherical or nearly spherical, and the developing member 40 is arranged so that it comes into contact with the image carrier 1, directly or via a developer layer.
Patent JP-2002216505-A (JP)
Title: Vehicle headlamp
Inventor: HORIBA TAKESHI
IPC: F21Y101/00
Filed: 2001-01-16
Abstract: PROBLEM TO BE SOLVED: To clearly form a cut-off line and secure the sufficient amount of light in the vicinity of the cut-off line for enhancing the distant visibility, in a vehicle headlight that carries out low-beam irradiation in a light-distribution pattern having a prescribed cut-off line, even if the right-to-left width of its reflector is small. SOLUTION: In the lower vicinity of a light source 18a are provided a plurality of light shielding portions 22a1, 22a2, 22a3 in the front and rear directions at a prescribed space, which shield part of the light that travels from the light source 18a to a lower reflection region 20a1 of a reflection surface 20a.  The vertical section of the lower reflection region 20a1 is so made that, a parabola is formed along first regions A1, A2, A3, extending from a first point of intersection P1 at which a linear line connecting the rear end position of the light source 18a and the rear end edges of respective light shielding portions intersects with the lower reflection region, to a second point of intersection P2 at which a linear line connecting the front end position of the light source 18a and the rear end edges of respective light shielding portions intersects with the lower reflection region, while positions of the rear end edges of the respective light shielding portions 22a1, 22a2, 22a3 are made the focal points F1, F2, F3. This makes it possible to align the upper end edges of the images of the light source 18a formed by the reflected light from the first regions A1, A2, A3.
Patent JP-2002210575-A (JP)
Title: Method for discriminating weld condition in laser welding
Inventor: OIKAWA MASASHI
IPC: B23K26/00
Filed: 2001-01-18
Abstract: PROBLEM TO BE SOLVED: To provide a method for discriminating weld condition by which the presence/nonpresence of a defect in a welded zone of laser spot lap welding with is discriminated. SOLUTION: By the method for detecting the welded condition for the laser beam spot lap welding, which is applied for the laser spot lap welding with, the welded condition is discriminated on the basis of a comparison of integrated values of signals with respect to time of the first half term and the second half term in which a plasma beam is generated, by using a time sequential signal given by detecting the plasma beam intensity which has a wavelength band in which the intensity of the plasma beam, which is generated in an assist gas which is used in the laser spot lap welding, shows a maximum value.
Patent JP-2002209870-A (JP)
Title: Magnetic resonance imaging instrument
Inventor: TOMIZAWA KAZUNORI
IPC: G01R33/32
Filed: 2001-01-18
Abstract: PROBLEM TO BE SOLVED: To correctly grasp a distance from the inlet of a needle to a needlepoint or from the needlepoint to a measurement target as a numerical value from a profile on an image without stopping continuous measurement and image re-constitution. SOLUTION: This magnetic resonance imaging instrument is provided with a magnetostatic field generating magnetic circuit 2, inclination magnetic field coil groups 9a and 9b, a sequencer 7, a transmission system 4 for irradiating a subject with a high-frequency magnetic field, a reception system 5 for detecting an echo signal, a signal processing system 6 for calculating image re-constitution through the use of the detected echo signal and a display 20 for displaying the obtained image. The instrument is also provided with a function for repeatedly measuring the echo signal emitted by magnetic resonance and performing continuous measurement and image re-constitution concerning the tomographic image of the subject.  The instrument is further provided with a means for measuring the distance from the needle inlet to the needlepoint or from the needlepoint to the needle insertion target as the numerical value by using the image without stopping the continuous measurement and image re-constitution function and an insertion distance display means which is incident to the display 20 and displays the measured numerical value.
Patent JP-2001273965-A (JP)
Title: Spark plug for internal combustion engine
Inventor: SEGAWA MASAYUKI
IPC: H01T13/39
Filed: 2001-01-18
Abstract: PROBLEM TO BE SOLVED: To provide a spark plug for an internal combustion engine, that is superior in anti-lead corrosiveness and wherein a chip for outside electrode does not exfoliate or fall off because of a difference of thermal expansion. SOLUTION: Each chip for a central electrode and an outside electrode of 0.9 mm in a diameter and 0.6 mm of thickness is made of Ir alloy containing a specific amount of (1) Rh, (2) Pt, or (3) Rh and Pt or Ru, and chips for an intermediate layer of 1.2 mm in a diameter and 0.3 mm of thickness made of Ir alloy containing 40 wt.% Ni are fabricated by a powder processing method. After that, the chip for the central electrode is welded by laser to the end face of the base body of the central electrode made of Ni alloy (Inconel 600). Further, the chip for the intermediate layer is abutted on a designated position of the outside electrode, and the chip for the outside electrode is abutted on the central part of this chip for the intermediate layer, and while pressed, these are welded with an electric resistance welding.  Further, the spark plug is obtained consisting of insulators and metal fittings made of general materials and structure.
Patent JP-2002098386-A (JP)
Title: Fluid control valve, control device of air conditioner, and the air conditioner
Inventor: KITANO SHINICHI
IPC: F16K31/06
Filed: 2001-01-24
Abstract: PROBLEM TO BE SOLVED: To save energy, improve handleability, and improve reliability when performing dehumidification operation in an air conditioner. SOLUTION: In a second throttling device 9A3 of an indoor heat exchanger 9A, the seat of a valve element can be retained by the differential pressure between a valve chest and a valve port that are separated by a throttling section. A second throttling drive source 11 (electromagnetic coil) for driving the second throttling device 9A3 is energized by rated power, the valve element is seated at the valve seat for composing a throttling section between the valve chest and the valve port, and dehumidification operation is started. After the second throttling drive source 11 (electromagnetic coil) is energized (after seating), energization of the second throttling device drive source 11 (electromagnetic coil) is broken after specific time. Or, energization (intermittent energization) is made by smaller power than the rated power.  When switching from the dehumidification operation to heating operation or cooling operation, a channel-switching valve 100 is controlled without stopping a compressor 4, the difference between the low-pressure and high-pressure sides in the second throttling device 9A3 of the indoor heat exchanger 9A is eliminated, and the second throttling device 9A3 is set to 'valve open'.
Patent JP-2002221479-A (JP)
Title: Diameter distribution measuring apparatus for dynamically light scattering particle
Inventor: UMEZAWA MAKOTO
IPC: G01N15/02
Filed: 2001-01-24
Abstract: PROBLEM TO BE SOLVED: To provide a diameter distribution measuring apparatus for dynamically light scattering particle which measures a concentration of a sample used for measuring before measuring a particle diameter distribution, automatically dilutes the sample until the predetermined concentration for measuring is attained, and can efficiently perform the predetermined particle diameter distribution measurement. SOLUTION: In the diameter distribution measuring apparatus for dynamically light scattering particle in which a measured sample 4 that is a dispersing medium 4b with dispersed particles 4a is accommodated in a sample cell 2 and a laser light 15 irradiates the measured sample 4 and the particle diameter distribution is found based on an intensity distribution in frequency of the light scattered by the particles 4a, the dispersing medium 4b and the dispersed particles 4a are supplied, a dispersing bus 1 for dispersing the dispersed particles 4a in the dispersing medium 4b and the sample cell 2 are connected through a circularly flowing path 3, the measured sample 4 is supplied from the dispersing bus 1 to the sample cell 2 prior to the particle diameter distribution measurement, the laser light 15 irradiates the measured sample 4, the concentration of the measured sample 4 is measured based on an obtained intensity of a scattered light, the measured concentration is compared with a preset target concentration, and a concentration adjustment of the measured sample 4 can be performed based on a result of the comparison.
Patent JP-2002220742-A (JP)
Title: Polyester conjugated yarn for highly stretchable woven or knitted fabric
Inventor: MORI YOSHITOKI
IPC: D01F8/14
Filed: 2001-01-24
Abstract: PROBLEM TO BE SOLVED: To provide a polyester conjugated yarn for a highly stretchable woven or knitted fabric having smooth and elegant feelings and a high stretchability, obtained by using a polytrimethylene terephthalate(PTT) as the high-viscosity component of a side-by-side conjugated yarn and optimizing the shape of the yarn cross section and extension percentage. SOLUTION: This polyester conjugated yarn for the highly stretchable woven or knitted fabric is characterized in that at least a high-viscosity component is PTT, the ratio CD/EF of the lengths of a segment CD and a segment EF is 1.2-4.0 when two intersecting points of a straight line X passing through the center of a segment AB connecting two contact points A and B of a contacting surface of two components of the filament cross section and the filament outer periphery and intersecting the segment AB at right angles and the outer periphery of the conjugated filament are C and D and two intersecting points of a straight line Y passing through the center of the segment CD and intersecting the segment CD at right angles and the filament outer periphery are E and F and the extension percentage under 1.8×10-3 cN/dtex load is >=40% in the side-by-side type conjugated yarn.
Patent JP-2002226029-A (JP)
Title: Work carrying device
Inventor: KAWASHIMA SOSUKE
IPC: B65G35/06
Filed: 2001-01-26
Abstract: PROBLEM TO BE SOLVED: To provide a work carrying device for carrying a work with high cycle and applying highly precise treatment to the work being carried in a predetermined section. SOLUTION: The work carrying device for carrying a pallet 30, on which a work W is placed, together with the work W comprises usual carriage sections A, C in which the pallet 30 is carried via a belt conveyor 1 and a highly precise carriage section B ranging to the usual carriage sections A, C for carrying the pallet 30 with a highly precise carrying mechanism 5 combining a ball screw device 10 and a linear guide device 14.
Patent JP-2002223361-A (JP)
Title: Picture copying machine
Inventor: ITO KEITOKU
IPC: G03G15/00
Filed: 2001-01-29
Abstract: PROBLEM TO BE SOLVED: To provide a picture copying machine which permits a degree concerning how colors are viewed to coincide with the degree before an environment is changed without giving influence on the degree even when the circumferential environment is changed in the case of observing a color picture. SOLUTION: A storage unit 102 stores a plurality of groups of measurement results in a light detecting unit 101 as circumferential light information and manages them. A judgement unit 103 reads the plurality of groups of circumferential light information stored in the storage unit 102 and performs processing to judge an observation light source. A color correction unit 105 corrects a chrominance signal outputted by a picture reading unit 104 based on the observation light source judged by the judgement unit 103 and outputs a correction chrominance signal. Then a picture recording unit 106 records a picture based on the correction chrominance signal which is outputted from the color correction unit 105 and outputs a reproduced picture.
Patent JP-2002229830-A (JP)
Title: Backup method of database file and its device
Inventor: HIRAOKA YUMIKO
IPC: G06F12/16
Filed: 2001-01-30
Abstract: PROBLEM TO BE SOLVED: To shorten a backup file open time, to suppress increase of a load on a system even when a large-scale database file is backed up, to keep safety of data during backup execution, and to remove an information retrieval factor before renewal. SOLUTION: This device is equipped with a database application processing program part 1 for executing processing for utilizing the database, a backup creation part 2 for executing creation processing of the backup file F1, a backup restoration part 3 for executing processing for database restoration, and a renewal history preservation part 4 for executing processing for preserving database renewal history information in a database renewal history file F3. The creation processing of the backup file F1 is executed in each record of the database file, referring the renewal information in the database file F2.
Patent JP-2002225671-A (JP)
Title: Inflator and method of manufacturing for the same
Inventor: DOI MAKOTO
IPC: B60R21/26
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide an inflator that has advantages of, for example, reducing floating separation and recurvature of adhesive tape closing a gas burst hole in an inflator body. SOLUTION: A slit strip of the adhesive tape 1 for covering a plurality of gas burst holes is stuck to the interior of a side plate of the inflator body. The tape 1 uses aluminum foil as a base material, to one face of which adhesive is applied. The tape 1 has a plurality of slits 3 extending from a side edge to the width middle. The slits 3 are formed in three places 1A to 1C spaced apart along the length of the tape 1, and the places 1A to 1C each have an alternate pair of a slit 3A' to 3C' cut from one side edge and a slit 3A" to 3C" cut from the other side edge.
Patent JP-2002232156-A (JP)
Title: Onu stand
Inventor: TAKEDA YOSHIAKI
IPC: H05K5/02
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide an ONU stand, on which one ONU of communication system or two ONUs of communication system and video system can be installed stably for both the stationary type and the wall type. SOLUTION: Since the ONU stand has a pair of parallel walls 15, standing erect at the opposite end parts of a rectangular bottom plate 14 and a pair of isolation walls 16 disposed on the bottom plate 14 between the parallel walls 15 in parallel therewith through a specified interval, and an optical network unit(ONU) can be clamped between the pair of parallel walls 15 and the pair of isolation walls 16, respectively, one ONU unit of communication system or two ONU units of communication system and video system can be supported stably for both the stationary type and the wall type.
Patent JP-2002228041-A (JP)
Title: Water hammering preventing structure of valve
Inventor: MIYAJIMA HIDEYUKI
IPC: F16K5/10
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To prevent generation of a water hammering by a rapid stop of water flow resulting from rapid rotation of a cylinder valve element of a valve which includes an opening for passing water provided on the cylinder valve element of a cylindrical shape and a casing on an outer side, opens and cuts off a water passage, and adjusts flow rate by rotation of the cylinder valve element. SOLUTION: The valve, which is provided with openings 30 and 28 for passing water formed on the cylinder valve element 24 and the casing 26 on an outer side, opens and cuts off the water passage, and adjusts the flow rate in accordance by the rotation of the cylinder valve element 24, includes a taper shaped part 34 which is formed on the opening 30 and has an opening width reduced toward a circumferential direction and a direction for closing the water passage. The taper shaped part 34 is formed so as to protrude from the opening 28 in a circumferential direction in a state that the water passage is fully opened.
Patent JP-2002231932-A (JP)
Title: Bipolar semiconductor device and method of manufacturing the same
Inventor: FUJIMOTO HARUHIKO
IPC: H01L29/732
Filed: 2001-02-01
Abstract: PROBLEM TO BE SOLVED: To provide a bipolar semiconductor device having a high speed and a low leakage current by reducing the resistance of an intrinsic base and an external base while suppressing the leakage in the junction between the emitter and the base and a leakage current from the base to the emitter. SOLUTION: By making a side wall 2 formed on the external surface of an emitter electrode double structured, the simultaneous formation of a metal silicide film in an external base region and an emitter layer by epitaxial growth can be realized. By this method, the resistance of both the intrinsic base and the external base region can be reduced, the former by increasing the concentration of impurities in a base layer and the latter by the metal silicide film. Consequently, a bipolar semiconductor device having a high speed and a low leakage can be provided.
Patent JP-2002225376-A (JP)
Title: Recorder
Inventor: HORAGUCHI NORIO
IPC: B41J19/18
Filed: 2001-02-05
Abstract: PROBLEM TO BE SOLVED: To detect the home position of a carriage accurately. SOLUTION: The recorder comprises a recording head 18 carried on a carriage 19 traveling along a platen 21 and recording an image on a sheet carried between the recording head and the platen, and a detector 35 for detecting the home position of the carriage. The home position detector comprises a flag 37 provided on the carriage, and a photointerrupter 36 for detecting the flag 37 wherein the photointerrupter 36 is provided on a sensor plate 41 interlocked with movement of the carriage for adjusting a platen gap PG between the platen and the recording head.
Patent JP-2002238007-A (JP)
Title: Integrated circuit
Inventor: TSUBONO NAOKI
IPC: H04N5/60
Filed: 2001-02-08
Abstract: PROBLEM TO BE SOLVED: To simplify selection of a mode for simultaneously displaying a plurality of images and to prevent an audio output state corresponding to a preset image from being interrupted, even if there is switching. SOLUTION: The integrated circuit 120 has a function of processing reproduced data (storage information) of a DVD 101 and a function of processing internet information (external information) acquired through a modem 114. An operation key section 142 is provided with a changeover key 142a, that selects a simultaneously displaying mode of two images from video data of a processor 129 at the simultaneous processing of the DVD and the Internet. Depressing the key 142a can supply a switching signal to a CPU 121 of the integrated circuit 120. Every time the key 142a is depressed, the master-slave relation between a browsed image of the Internet and a reproduced image of the DVD, included in the video data from the processor 129, becomes reverse. Audio data from a processor 134 are always made corresponding to the display image of the master image.
Patent JP-2001325351-A (JP)
Title: Consumables delivery management system, digital photographic image printer, consumables delivery managing method, and medium with recorded consumables delivery managing program
Inventor: ARIGA SHUICHI
IPC: G06Q50/10
Filed: 2001-02-09
Abstract: PROBLEM TO BE SOLVED: To solve the problem that it is troublesome for employees to pay attention to the consumption states of consumables and the problem that it is difficult to circulate low-priced printing forms, etc., of high quality on a market that a new printing form trader, etc., is hindered in joining. SOLUTION: The consumables consumption state of a main-body product which uses consumables is detected and a sending indication is automatically sent by a computer connected through the Internet according to the detected state. A sending trader immediately sends consumables according to the sending indication and makes a primary sending indication according to the stock quantity to secure the stock. An employee need not take trouble to replenish the product with consumables and the free competition of printing media can be accelerated.
Patent JP-2001294481-A (JP)
Title: Dielectric ceramic composition and multilayer ceramic capacitor using the same
Inventor: NAKAYAMA MASAFUMI
IPC: C04B35/49
Filed: 2001-02-09
Abstract: PROBLEM TO BE SOLVED: To provide a dielectric ceramic composition which exhibits stable electric characteristics by firing in a non-oxidizing atmosphere and to provide a multilayer ceramic capacitor. SOLUTION: The dielectric ceramic composition is obtained by adding, as additives, 0.1 to 0.7 wt.% Mn3O4, 0.5 to 3.0 wt.% BaSiO3, 0.01 to 0.07 wt.% V2O5 and 0.05 to 0.30 Al2O3 to a composition which is composed of main components expressed by general formula, n(BaOx-SrOy-CaOz)(ZrmTi1-m)O2(x+y+ z=1, x, y, z, m and n each represent molar ratio.), wherein x, y and z are each in the range obtained by surrounding points a, b, c, d and e, shown in Table 1, with straight lines, m>=0.95, and 0.8<=n<=104.