baber/WOPTO huggingface dataset:
Patent JP-2003046879-A (JP)
Title: Signal transmission circuit, solid-state imaging device, camera and liquid crystal display unit
Inventor: YAMAGUCHI TAKUMI
IPC: H04N5/376
Filed: 2001-08-01
Abstract: PROBLEM TO BE SOLVED: To reduce a chip area by reducing the number of pulses supplied from the outside, in a signal transmission circuit which is used in an MOS type solid-state imaging device and a liquid crystal display unit. SOLUTION: This signal transmission circuit is provided with a plurality of input parts 62, 63 corresponding to one shift register 61 from among a plurality of shift registers for supplying voltage pulses necessary for a light sensitive region. One start pulse VST1 is supplied in common to the input parts. A plurality of driving pulses V1 and V2 different in timing are supplied to the input parts 62 and 63, respectively. The one shift register 61 is made to start at different timing by each timing of a plurality of the driving pulses to the start pulse.
Patent JP-2003046594-A (JP)
Title: Wireless data communication device and its control method
Inventor: HIROKI SHIGERU
IPC: H04W28/00
Filed: 2001-08-01
Abstract: PROBLEM TO BE SOLVED: To provide a wireless data communication device that can eliminate retransmission of wasteful packets caused by factors in data transfer interruptions, such as a deteriorated radio state and the occurrence of hand-over. SOLUTION: When a PIAFS protocol control section 205 detects a CRC error (factor in data transfer interruption) during data transferring of the PIAFS protocol control section 205 starts resynchronization sequence and informs a TCP/IP protocol control section 207 about the start of resynchronization. When a retransmission timer is started and the TCP/IP protocol control section 207 receives a notice of resynchronization start (step S306), the TCP/IP protocol control section 207 temporarily stops a retransmission timer (step S307); when the TCP/IP protocol control section 207 receives end of resynchronization from the PIAFS protocol control section 205 in a temporary stop state of the retransmission timer (step S308), the TCP/IP protocol control section 207 restarts the restart timer temporarily stopped (step S309).
Patent JP-2003049026-A (JP)
Title: Resin molding and composite resin product comprising the molding
Inventor: YAMASA HIROYUKI
IPC: C08L23/10
Filed: 2001-08-07
Abstract: PROBLEM TO BE SOLVED: To provide a resin molding having a low coefficient of linear expansion and a composite resin product constituted of the resin molding. SOLUTION: The resin molding is mainly constituted of a polypropylene resin or an olefin-based thermoplastic elastomer. The composite resin product (10) has two or more integrated resin molding parts (12, 14, 16 and 18) having mutually different compositions in which at least one resin molding part (18) is mainly constituted of the polypropylene resin of the olefin-based thermoplastic elastomer. The resin molding or at least one resin molding part comprises 1-10 wt.% of a fibrous filler consisting essentially of carbon fiber and 0-50 wt.% of a powdery filler as extension and contraction control parts.
Patent JP-2002063847-A (JP)
Title: Plasma display panel
Inventor: KADO HIROYUKI
IPC: H01J11/34
Filed: 2001-08-09
Abstract: PROBLEM TO BE SOLVED: To provide a plasma display panel having high white color temperature, without greatly deteriorating brightness. SOLUTION: The distances between separation walls 17 are made different with each other corresponding to the color of phosphor layers 18, 19, 20 (red, green, blue), and provided that the luminous flux of phosphor layers emitting red, green, and blue colors having the same area with each other are la, lb, lc respectively, the color temperature of white color is controlled in a prescribed color temperature, by making the color temperature depending on a×la, b×lb, c×lc (a, b, c are coefficients representing the ratio of distances between separation walls for red, green, and blue colors respectively) 9,000 K or higher, and by making the distance of separation walls for the blue phosphor layer c/b times as large as the distance of separation walls for the green phosphor layer (excepting c/b=1).
Patent JP-2003057599-A (JP)
Title: Composite optical element
Inventor: HATA KENJIRO
IPC: G02B27/28
Filed: 2001-08-21
Abstract: PROBLEM TO BE SOLVED: To resolve the problem that light passing one of adhesive areas for coupling birefringence areas is leaked to the other area to degrade optical characteristics in a conventional composite optical element constituted of a first birefringence area, a second birefringence area, and a fifth adhesive area for junction of these areas, which are provided on one face of a Farady rotator, and a third birefringence area, a fourth birefringence area, and a sixth adhesive area for junction for these areas, which are provided on the other, face in the case that optical fibers or optical waveguides are provided in both end faces of the composite optical element and light emitted from one optical fiber or optical waveguide passes as a parallel light or a convergent light so that the fifth and sixth adhesive areas may be in the center of the optical axis by one or more lenses. SOLUTION: The fifth and sixth adhesive areas are made of such materials that the refractive index after hardening of these adhesive areas may be lower than refractive indexes to ordinary and extraordinary rays of the first, second, third, and fourth birefringence materials, and thus light is totally reflected in the adhesive areas.
Patent JP-2003066376-A (JP)
Title: Wavelength separation optical device and wavelength multiple optical transmission module
Inventor: SUGITA TATSUYA
IPC: H04B10/29
Filed: 2001-08-23
Abstract: PROBLEM TO BE SOLVED: To provide a wavelength separation optical device which is easily assembled and adjusted and has few light loss. SOLUTION: An optical signal made to be a wavelength and transmitted on an optical fiber 10 is made incident on a refractive index distribution lens 34 to be almost a parallel light, made incident on a polarization conversion element 20a, and divided into two beams to be two linear polarizations, and the two linear polarizations are outputted. The optical signal of the linear polarizations is separated by wavelength separation filters 28a, 28b and 28c, and made incident on a polarization conversion element 20b or a polarization conversion element 20c by two wavelength at a time, and a polarization conversion element 20a combines optical paths of the beams separated into two to be a beam by one wavelength at a time in each wavelength.  A four-wavelength optical signal is reflected by a mirror 31b or a mirror 31c, converged by a hologram lens 40c, etc., reflected at a mirror 32, and then detected by an optical detector array 36 provided in each wavelength.
Patent JP-2003068281-A (JP)
Title: Metal oxide electrode and its producing method, and lithium secondary battery using the same
Inventor: IN KEISHAKU
IPC: H01M4/48
Filed: 2001-08-23
Abstract: PROBLEM TO BE SOLVED: To provide a method oxide electrode that prevents a lowering of capacity due to an irreversible reaction of a carbon electrode occurred during primary charging of a lithium battery and can enhance cycle life by supplying an amount of wasted lithium ion, and its producing method. SOLUTION: A pair of winding rolls 12a, 12b of a metal oxide electrode are housed in a vacuum chamber 10, and the metal oxide electrode 20 wound on the roll 12a of one side is unwound on the roll 12b in the other side at a prescribed speed. At this time, a porous film 22 of a metal, a metal oxide or carbon of a few Å - a few μm in thickness is formed on at least one surface of the metal oxide electrodes 20 from a evaporation source 14 of the metal, the metal oxide or carbon between the pair of rolls. Then, the metal oxide 20 is maintained under given temperature and a vacuum condition for a prescribed period of time and stabilized, and the metal oxide electrode having the porous film of the metal, the metal oxide or carbon on its surface is produced.
Patent JP-2002117863-A (JP)
Title: Forming method of direct methanol feed fuel cell
Inventor: SURAMPUDI SUBBARAO
IPC: H01M8/10
Filed: 2001-08-24
Abstract: PROBLEM TO BE SOLVED: To form a methanol fuel cell having good fuel efficiency. SOLUTION: The forming method of the fuel cell is constituted by including a process, in which catalyst material is prepared, a process, in which a mixed catalyst material is formed by mixing the catalyst material with an ionomer and a water-repellent material, and a process, in which the mixed catalyst material is attached to a backing material of the electrode. In this case, it is desired to constitutes at first the mixing process so that it includes a mixing process, in which the catalyst material and the water-repellent material is mixed, then a process adding the ionomer. In this case, it is desirable that the water- repellent material is poly-tetra-fluoro-ethylene, and the ionomer is liquefied Naphyon (registered trademark).
Patent JP-2002303652-A (JP)
Title: Apparatus and method for inspecting semiconductor integrated circuit
Inventor: FUJIMOTO KEIICHI
IPC: G01R31/26
Filed: 2001-08-27
Abstract: PROBLEM TO BE SOLVED: To improve durability in a bump and at the same time unify contact resistance between the bump and an external electrode by preventing the peripheral section of a wiring board from being deformed to the wide of a wafer tray when the pressure of a sealed space formed by the wafer tray, wiring board, and annular sealing member is reduced. SOLUTION: A semispherical bump 104 is provided at a site corresponding to the external electrode 2 in a semiconductor wafer 1 in an elastic sheet 103 that is fixed to a wiring board 101. Also, a plurality of dummy bumps 106 projecting toward the semiconductor wafer 1 are provided at the peripheral section on a surface that opposes the semiconductor wafer 1 in the elastic sheet 103. The plurality of dummy bumps 106 prevent the wiring board 101 from being deformed toward the water tray 111 when the pressure in the sealing space 118 formed by the wafer tray 111, an annular seal member 112, and the wiring board 101 is reduced.
Patent JP-2003064984-A (JP)
Title: Apparatus and method for propelling shield machine different in diameter
Inventor: ASAKUMA MASAO
IPC: E21D9/06
Filed: 2001-08-28
Abstract: PROBLEM TO BE SOLVED: To provide a propelling apparatus for a shield machine different in diameter, which can cope with tunnels of various diameters. SOLUTION: The propelling apparatus for the shield machine different in diameter, is comprised of an eccentric length adjusting fixture 20 and an adjusting shoe 25. The eccentric length adjusting fixture 20 is detachably attached to a rod 15 of a shield jack 12, and has its eccentric length L set beforehand according to an eccentric distance of the rod 15 with respect to a tunnel diameter. The adjusting shoe 25 has its periphery shaped according to the tunnel diameter, and has its rear end abutted on an existing segment S and its front end mounted on the eccentric length adjusting fixture 20.
Patent JP-2002119838-A (JP)
Title: Stirring blade and stirring method
Inventor: NODA HIDEO
IPC: C12M1/02
Filed: 2001-08-30
Abstract: PROBLEM TO BE SOLVED: To provide a stirring blade used suitably for the mixing of liquids each having different specific gravity with each other or the mixing of liquids each having different content of a dispersoid and a stirring method using the stirring blade. SOLUTION: The stirring blade is formed by arranging one or plural hollow pipe bodies 12 each having an upper part opening and a lower part opening respectively at the upper part and the lower part to be vertically or obliquely to the stirring shaft 2 and to make the upper part opening 124 and the lower part opening 125 respectively to face the upper part 61 and the lower part 62 of a liquid in a stirring vessel on a fixture 11 mounted on a stirring shaft 2 and the stirring method is performed using the stirring blade.
Patent JP-2003076686-A (JP)
Title: Decision making support method and decision making support device capable of utilizing the same
Inventor: MATSUDA JUN
IPC: G06Q10/00
Filed: 2001-08-31
Abstract: PROBLEM TO BE SOLVED: To solve such a conventional problem that the classification of contents is difficult unless an inquiry from a customer is inputted in a fixed form. SOLUTION: In a decision making support device 12, a sentence acceptance part 22 receives data of the inquiry, a character string sampling part 24 samples a plurality of characteristic character strings from the data to form a concept, and a classification processing part 30 compares it with classification conditions for classification. A process processing part 32 samples the optimum operation process based on the classification from a process holding part 36 in correspondence to the inquiry and performs processing based on it.
Patent JP-2003076007-A (JP)
Title: Positive type photosensitive resin precursor composition
Inventor: FUJITA YOJI
IPC: G03F7/037
Filed: 2001-08-31
Abstract: PROBLEM TO BE SOLVED: To provide an alkali-developable positive type photosensitive resin precursor composition. SOLUTION: The positive type photosensitive resin precursor composition is characterized in that it contains (a) a polymer based on structural units of formula (1) (where R<1> is a di-to octavalent >=2C organic group; R<2> is a di-to hexavalent >=2C organic group, R<1> and/or R<2> has an alicyclic substituent; R<3> is H or a 1-20C organic group; (n) is an integer of 10-100,000; (m) is an integer of 0-2; and (p) and (q) are each an integer of 0-4 but p+q>0), (b) a compound having a phenolic hydroxyl group and (c) an esterified quinonediazido compound.
Patent JP-2003075632-A (JP)
Title: Device and method for polarized light conversion
Inventor: ARAI HISAO
IPC: G02B5/30
Filed: 2001-08-31
Abstract: PROBLEM TO BE SOLVED: To provide a device and a method for polarized light conversion which are suitably used for a transmission type LCD, etc., and can reduce the light quantity loss of incident light, more specifically, a device and a method for polarized light conversion which have high polarized light conversion even for diffused light from the back light of the transmission type LCD. SOLUTION: The polarized light converting device has a birefringent device having a plurality of λ/2 plates laid out in specific position relation and a light converging device which converges the incident light on the plurality of λ/2 plates and the polarized light converging method uses the birefringent device and is characterized by that the incident light on the birefringent device is split into a plurality of parts and made incident while converged respectively and a normal light beam after doubly-refracted by the birefringent device is converted by the λ/2 plates into an extraordinary light beam.
Patent JP-2003072466-A (JP)
Title: Step stand for getting-on/off
Inventor: UENO MAMORU
IPC: B60R3/02
Filed: 2001-09-03
Abstract: PROBLEM TO BE SOLVED: To provide a step stand for getting-on and off, capable allowing a person to easily get on and off an automobile having an entrance at a position comparatively high from the ground surface. SOLUTION: This step stand is formed by assembling a mounting member 2 to be mounted on a step part, for example, a floor face of the entrance of the automobile or its neighborhood, left and right slide rails 3 supported by the mounting member 2 and capable of being longitudinally advanced and retracted, left and right elevating stays 8 assembled by supporting slide rails 6, 7 respectively mounted on the left and right slide rails 3 by means of pins, a step stand body 9 horizontally supported to the left and right elevating stays 8, and an engraved grip 10 formed on the step stand body 9 for longitudinally advancing and retracting the step stand body 9, and moving up and down the same.
Patent JP-2003081643-A (JP)
Title: Method of manufacturing transparent glass preform
Inventor: MATSUI MASAHIKO
IPC: C03B37/014
Filed: 2001-09-07
Abstract: PROBLEM TO BE SOLVED: To provide a method of manufacturing a transparent glass preform which is capable of preventing the degradation in the quality of the transparent glass preform by infiltration of outdoor air during dewatering and clearing without drastically changing the conventional facility constitution. SOLUTION: This method of manufacturing the transparent glass preform is a method of manufacturing a transparent glass preform by heating the porous glass preform in a heating zone of a furnace tube of a sintering furnace while rotating the porous glass preform around its axis to dewater and clear the glass preform and comprises dewatering the porous glass preform while moving the porous glass preform from above to below in the heating zone within the above furnace tube, then clearing the porous glass preform while moving the porous glass preform from below to above.
Patent JP-2002172453-A (JP)
Title: Water-coolable furnace roller for conveying, for example, continuous-cast material through roller hearth furnace
Inventor: LEMKE JURGEN
IPC: F16C13/00
Filed: 2001-09-07
Abstract: PROBLEM TO BE SOLVED: To provide means for increasing the heat dissipation from a support ring onto a shaft, extending the availability of the support ring with reduced formation of scale thereon, and at the same time, ensuring a reliable torque transmission between the support ring and the shaft. SOLUTION: A water-coolable furnace roller has the shaft supported to the outside of the furnace to be driven in rotation, and is used for conveying a material to be transported, for example, a continuous-cast material through a roller hearth heating furnace provided with the cooling medium ducts 4 and 5 in the hollow space of the shaft and the support ring 7 which is arranged with a receiving bore 1 on the shaft and forms a conveying plane. The furnace roller is characterized in that contact surfaces at the inner diameter of the receiving bore 1 of the support ring 7 and/or at the outer diameter of the shaft 3 are formed as a polygon contour of a substantially constant diameter with the fitting surfaces 6 and 6', i.e., with a so-called weak interference.
Patent JP-2003034081-A (JP)
Title: Phase change type optical information recording medium
Inventor: HARIGAI MASATO
IPC: G11B7/243
Filed: 2001-09-11
Abstract: PROBLEM TO BE SOLVED: To provide a phase change type optical information recording medium, which can cope with higher linear speeding-up and higher densifying and is excellent in repeating characteristics and preserving characteristics. SOLUTION: In the phase change type optical information recording medium having a recording layer made of a phase change type recording material, the phase of which reversibly changes between an amorphous phase and a crystalline phase through the irradiation with electromagnetic waves, the phase change type recording material consists of Ge, Ga, Sb, Te and Mg and/or Ca.
Patent JP-2003079962-A (JP)
Title: Eyelid-moving system
Inventor: MATSUMOTO HIROAKI
IPC: A63H13/04
Filed: 2001-09-11
Abstract: PROBLEM TO BE SOLVED: To provide an eyelid-moving system which can realize an appearance being close to a living creature and the flexible movement by a simple structure. SOLUTION: This eyelid-moving system is equipped with eyeball units 2 having an eyelid 1 which opens/closes, an eyelid driving means 3 which moves the eyelids, and a torque-transmitting member 4 which transmits the torque of the driving means to the eyelids. Then, the torque-transmitting member is formed of a member having flexibility and elasticity.
Patent JP-2003079671-A (JP)
Title: Front-wheel supporting mechanism for wheelchair
Inventor: YOSHIOKA KOJI
IPC: A61G5/02
Filed: 2001-09-12
Abstract: PROBLEM TO BE SOLVED: To provide a front-wheel supporting mechanism for wheelchair that can relieve the vibrations and shocks received by a person riding on a wheelchair from recessing and projecting parts or obstacles on the surface of a road and can reduce the sensation of fear felt by the person for overturning. SOLUTION: A suspension mechanism 5 is installed to the lower end section of the body frame of the wheelchair through a connecting section 2, a planar rotating section 3, and a supporting member 41. The mechanism 5 is provided with a crank shaft structure 50 and a magnet gear. The structure 50 is composed of a horizontal bearing shaft 51 rotatably supported by the lower end section of the supporting member 41, an axle 52 rotatably supporting front wheels 1, and an arm 53 which is positioned perpendicularly to the bearing shaft 51 and axle 52 to connect one end of the shaft 51 to that of the axle 52.
Patent JP-2003086508-A (JP)
Title: Compound semiconductor layer substrate, method of manufacturing the same, and device manufactured on the same substrate
Inventor: OKUDA MASAHIRO
IPC: H01L21/20
Filed: 2001-09-12
Abstract: PROBLEM TO BE SOLVED: To obtain a compound semiconductor layer substrate having the superior quality of inexpensive compound semiconductor layer manufactured thereon, and also a device manufactured on the substrate. SOLUTION: The substrate includes a GaAs substrate 101 having a porous region 102, pores 103 in the porous region, and a wall part 104 forming the pores 103. A layer of surface part 105 sealing the pores is formed on a surface of the porous GaAs layer. A III-V compound semiconductor layer 106 is formed on the surface part 105. At this time, the thickness of the formed compound semiconductor layer 106 is made much heavier than the thickness of the surface part 105. Thereby dislocation generated based on a lattice constant difference or thermal expansion coefficient difference can be prevented and thus the superior quality of inexpensive compound semiconductor substrate can be obtained. Further, the superior quality of crystal of another compound semiconductor not lattice-matched with the above substrate can be obtained.  In addition, with use of this substrate, an inexpensive compound semiconductor device having proper characteristics can be obtained.
Patent JP-2003087149-A (JP)
Title: High frequency composite switch module
Inventor: KUSHITANI HIROSHI
IPC: H01L25/04
Filed: 2001-09-14
Abstract: PROBLEM TO BE SOLVED: To provide a high frequency composite switch module obtained by uniting a switch circuit, a low bandpass filter of a transmitting side, a bandpass filter of a receiving side and a power amplifier into one. SOLUTION: An amplifier means 104 and an impedance conversion circuit 105 are formed in the same IC chip, at least a matching circuit 106, a power supply means 107 and a phase shift circuit 108 are configured in a laminated body composed of an electrode pattern and a dielectric layer, and at least the IC chip and a SAW filer are mounted on the laminated body.
Patent JP-2002133715-A (JP)
Title: Optical information recording medium and manufacturing method for information recording medium
Inventor: KONDO TETSUYA
IPC: G11B7/24038
Filed: 2001-09-17
Abstract: PROBLEM TO BE SOLVED: To provide an optical disk with a multi-layer structure and its manufacturing method effective for both accuracy and productivity. SOLUTION: The optical disk 1 has two information recording faces in a thickness direction of a substrate 4. A second information recording face has a double pass double refraction of <=±50 nm and it is formed on a transparent layer 6 composed by laminating a thermoplastic resin sheet 37 with an even thickness within a range of 20-100 μm on the substrate 4. Pits 4B of the transparent layer 6 are formed by forming the thermoplastic resin sheet 37 by thermally pressurizing it with the substrate 4 and a stamper 36 for forming the second information recording face 3.