baber/WOPTO huggingface dataset:
Patent JP-2004030724-A (JP)
Title: Optical pickup device
Inventor: NISHIOKA SUMUTO
IPC: G11B7/1392
Filed: 2002-06-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical pickup device capable of performing satisfactory recording and reproduction to two kinds of recording media regardless of reproducing wavelengths and the substrate thicknesses of the recording media.  <P>SOLUTION: The optical pickup device is provided with a semiconductor laser 1a emitting the light of a wavelength λ1 and a semiconductor laser 1b emitting the light of a wavelength λ2 different from the wavelength λ1 and the device performs the recording or the reproduction of information to an optical disk 13a by forming a converged light spot SPa on the disk 13a while making the light of the wavelength λ1 pass through an objective lens 11 and the device performs the recording or the reproduction of information to an optical disk disk 13b whose substrate thickness is different from that of the optical disk 13a by forming a converged light spot SPb on the disk 13b while making the light of the wavelength λ2 pass through the objective lens 11. Then, a diffraction element 10 which is formed by joining two materials whose wavelength dependence of refractive indexes are difference with each other and which has grid geometry at its joined surface, is provided among the semiconductor lasers 1a, 1b and the objective lens 11.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003011164-A (JP)
Title: Mold assembly for injection molding
Inventor: SHIROYAMA TATSUO
IPC: B29C45/26
Filed: 2002-06-25
Abstract: PROBLEM TO BE SOLVED: To provide a mold assembly for injection molding capable of obtaining a good molded article by preventing the leakage of gas from the outer periphery of a gas nozzle at the time of injection of the gas in a gas assisting injection mold assembly. SOLUTION: The mold assembly 1 for injection molding is constituted by forming a resin part 13 to the periphery of the gas nozzle 3 so as to cover the leading end 19 of the gas nozzle 3 with a molding resin and forming unevenness 15 to the outer periphery of the gas nozzle 3 and further arranging a core pin 21 in the gas nozzle 3 to sharpen the leading end of the core pin 21.
Patent JP-2004030796-A (JP)
Title: Objective lens driving unit
Inventor: ISHIKAWA TAKASHI
IPC: G11B7/095
Filed: 2002-06-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an objective lens driving unit of a high driving efficiency.  <P>SOLUTION: At least the 1st end 33a of a 1st tilt core member 33 is opposed to a 1st tilt magnet 39 in the axial direction at the 1st end 33a, and at least a 2nd end 34a of a 2nd tilt core member 34 is opposed to a 2nd tilt magnet 30 in the axial direction at the 2nd end 34a. A 1st tilt coil 31 is energized to magnetize the 1st tilt core member 33, and a 2nd tilt coil 32 is energized to magnetize the 2nd tilt member 34. Magnetic action between the 1st tilt core member 33 and the 2nd tilt magnet 29 and magnetic action between the 2nd tilt core member 34 and the 2nd core member 32 drive a lens holder 27 to be angularly displaced around a tilt axis line L38 relative to a supporting body 28.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004026103-A (JP)
Title: Container retaining device for automobile
Inventor: KAWABATA MASATOSHI
IPC: B60R7/04
Filed: 2002-06-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a container retaining device for an automobile capable of stably retaining a container and preventing deformation of an arm part by external force from above.  <P>SOLUTION: The retaining arm 5 constituting the container retaining device is provided with a first arm part 5a standing along a rear side wall 1e of a glove compartment recessed part 1c; a second arm part 5b integrally connected to an upper end of the first arm part 5a and extending so as to superpose on a rear side opening edge 1d; and right and left support arm parts 1c integrally connected to the second arm part 5b and extending along the opening edge 1d. A lower end of the first arm part 5a is pivotally supported on a bottom part of the glove compartment recessed part 1c. When the first arm part 5a is turned to a use position B where it is butted on a bottom wall 1f of the glove compartment recessed part 1c, a bottom part and a central part of the container 8 are retained by the first arm part 5a, the support arm part 5c and an inner side wall 1e of the glove compartment recessed part 1c.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004039927-A (JP)
Title: Device and method for generating optical wave
Inventor: KUBOMURA HIROYUKI
IPC: G21K5/02
Filed: 2002-07-04
Abstract: <P>PROBLEM TO BE SOLVED: To supply a target at comparatively high speed and to provide EUV of a large light volume.  <P>SOLUTION: A prescribed charge is given to the target T and it is charged by a charging part 23. It is accelerated by an acceleration voltage applied by an acceleration voltage generation part 33 and is transported to a laser irradiation position of a plasma generation device 3. A speed operation part 37 calculates speed in a speed detection position of the target T by detection from optical detectors 34 and 35. A time operation part 38 calculates necessary time required from speed detection time of the target T to arrival time to a laser irradiation position. A delay circuit 41 delays a trigger pulse supplied from a pulse generation circuit 39 by required time and supplies it to a laser device 2. The laser device 2 receives the trigger pulse at prescribed timing when the target T arrives at the laser irradiation position and irradiates the target T with a pulse-like laser beam L.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004039998-A (JP)
Title: Semiconductor device provided with light receiving element unit and manufacturing method thereof
Inventor: FUKUSHIMA TOSHIHIKO
IPC: H01L21/265
Filed: 2002-07-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor device provided with a light receiving element unit with an excellent response speed and high light receiving sensitivity.  <P>SOLUTION: The semiconductor device 30 is provided with the light receiving element unit A for converting light energy into electric energy, and an NPN transistor unit B. A reflection preventing film 12 comprising two layers of a silicon oxide film 10 and a silicon nitride film 11 is formed on the surface of a semiconductor substrate 31 in the light receiving region of the light receiving element unit A. Injecting ions of impurity elements through the reflection preventing film 12 form N type and P type impurity diffusion layers 32, 33 in the light receiving region. Since an impurity concentration profile in the thickness direction of the N type and P type impurity diffusion layers 32, 33 thus formed is formed in a way suitable for the generation and movement of carriers, the semiconductor device 30 provided with the light receiving element unit A with a high response speed and excellent light receiving sensitivity is obtained.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004042063-A (JP)
Title: Continuous casting device and continuous casting method
Inventor: HIRAYAMA TAKASHI
IPC: B22D11/115
Filed: 2002-07-09
Abstract: <P>PROBLEM TO BE SOLVED: To stably cast a high-quality cast slab over a long period of time.  <P>SOLUTION: The flow of molten steel 6 is stabilized over a long period of time by reducing a flow speed of a spouting flow 8 spouted from an immersion nozzle 4, and by reducing temporal fluctuations of the flow speed by imparting a DC magnetic field with an almost constant value within the range from ≥ 0.01 tesla to ≤ 0.1 tesla in the horizontal cross-sectional direction of a mold 2 by arranging a DC magnetic field generator 4 downward from an electromagnetic stirring device 3 while securing the stirring flow speed required for preventing occurrence of bubble-state defects and inclusion-state defects inside a steel slab.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004042413-A (JP)
Title: Method for manufacturing resin molding mold and method for manufacturing resin product
Inventor: IWABUCHI YASUO
IPC: B29C43/36
Filed: 2002-07-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing a mold which improves the mold release properties of the cavity surface of the mold by treating the surface when a resin molding having good adhesion to a silicone rubber is molded and can mold a resin product which can materialize either appearance of a semi-glass surface and a specular gloss surface and a method for manufacturing the product.  <P>SOLUTION: After a cavity 11 with a desired product shape engraved on a mold substrate is subjected to carving processing, spherical particles are sprayed on the surface of the cavity 11 to grind the angular vertexes of the unevenness of the surface of the cavity formed by the carving processing to form a satin finish surface, and a plating layer 12 is formed on the surface of the satin finish surface.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003036600-A (JP)
Title: Information signal recording method
Inventor: MATSUI KAZUNARI
IPC: G11B7/007
Filed: 2002-07-12
Abstract: PROBLEM TO BE SOLVED: To provide an information signal recording method by which the correlation between adjacent tracks can be removed, by using a scramble signal generated from a cyclic code in which the value acquired based on an address value of each sector is made to be an initial value. SOLUTION: In the information signal record method in which an information signal S3 is made to scramble with a scramble signal S2, a signal generated from the cyclic code in which the value acquired based on the address value of each sector is made to be an initial value, is used as the scramble signal when recording the information signal S3 on an information recording medium 5 having circumferential information tracks. This allows the correlation between adjacent tracks to be removed and stable tracking control to be obtained.
Patent JP-2004052790-A (JP)
Title: Fastening structure for self-tapping screw and structure of push rod of brake applying cylinder in brake device of vehicle using the tapping screw fastening structure
Inventor: SUGIYAMA ICHIRO
IPC: F16B39/282
Filed: 2002-07-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a slackening preventive structure of a self-tapping screw fastening structure equipped with a strengthened slackening preventive structure applicable favorably in a fastening structure for an object whereto impacts are applied with the time.  <P>SOLUTION: The slackening preventive structure for a self-tapping screw has such an engaging structure that engagement is generated while male threads 7 of the screw makes tapping of female threads 3 at the inside wall of a glide hole 2, and has a glide shaft part 14 protruding onto the shaft from the tip of a screw shaft part 13 on which the male threads 7 are formed, wherein the outside diameter R1 of the glide shaft part 14 is made slightly greater than the outside diameter R2 of the bottoms of the male threads 7 and the inside diameter 3 of the crests 3 of the female threads 3 formed by tapping, and prevention of the screw from slackening is established by abutting the glide shaft part 14 to the female threads 3 existing closely owing to the diametric difference t.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004050417-A (JP)
Title: Method for controlling printer, printer, program and recording medium
Inventor: SHIMIZU YOSHIAKI
IPC: B41J2/175
Filed: 2002-07-16
Abstract: <P>PROBLEM TO BE SOLVED: To more accurately monitor the residual quantity of ink in a printer.  <P>SOLUTION: A CPU 31 receives print data from an external computer 38 through an interface 35 and reads out data concerning the residual quantity of ink from the recording element 42 in the ink cartridge 22 of a printer 11. The CPU 31 determines whether the ink ejection pattern is a continuous ejection pattern or an intermittent ejection pattern (1-5 levels) for each dot of each color from the print data, and then counts the number of dots of each ink ejection pattern. Subsequently, the CPU 31 reads out a predicted ejection ink weight from a ROM 32 and calculates the quantity of used ink from the number of dots of each ink ejection pattern and the predicted ejection ink weight for each color. Finally, the CPU 31 subtracts the quantity of used ink from the residual quantity of ink thus calculating the residual quantity of ink when printing is performed.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004051687-A (JP)
Title: Aqueous pigment dispersion and ink composition
Inventor: INOUE TOMOKO
IPC: C09D11/033
Filed: 2002-07-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide an aqueous pigment dispersion which contains a self-dispersible colored organic pigment, does not cause blur or setoff in recording on plain paper, is excellent in resistances to water, light, and scratch, and can give a high-quality (high-definition, high-chroma) record with a high color density; and an ink composition containing the same.  <P>SOLUTION: The aqueous pigment dispersion contains a benzimidazolone pigment of which the maximum absorption wavelength λ<SB>max</SB>of absorption spectrum in a visible light region is in the range of 400-500; the pigment is prepared by subjecting a self-dispersible colored organic pigment having a sulfo group introduced to its surface by a chemical treatment to salt formation with a basic compound such as an amine and/or an alkali metal. The benzimidazolone pigment in an embodiment is C. I. Pigment Yellow 194.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004017037-A (JP)
Title: Apparatus for converting pressure transmitted repeatedly into propulsive force
Inventor: MISHIMA SHIZUO
IPC: H02K7/065
Filed: 2002-06-14
Abstract: <P>PROBLEM TO BE SOLVED: To constitute an apparatus 10 for converting pressure into propulsive force for moving a relative position by vibrating force transmitted repeatedly.  <P>SOLUTION: The apparatus 10 is constituted by installing a vibration member 20 which is vibrated by transmitting at least a part of a relative pressure transmitted by the vibration. By connecting the vibration member 20 with an external member 60 to relatively transmit the pressure by the vibration, the vibration is converted into propulsive force which can continuously move the relative position of the apparatus 10 in either normal or reverse direction, and the apparatus 10 is constituted so that the relative position can be moved in relation to the external member 60.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004058683-A (JP)
Title: Windshield molding for automobile
Inventor: FUJII YOSHITO
IPC: B60J1/02
Filed: 2002-07-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a light weight windshield molding for an automobile excellent in adhesive property without using polyvinyl chloride, having thermoplastic elastomer material of mainly olefin system or styrene system in material constitution, facilitating recycling even if the same consists of some kinds of compounded materials and excellent in environmental conservation.  <P>SOLUTION: In a windshield molding 1 for an automobile provided with a molding enclosure section 3 having roughly U-shape cross section and a lip section 4 for sealing with an automobile body projecting outward from one side surface of the molding enclosure section 3, the molding enclosure section 3 and the sealing lip section 4 is composed of thermoplastic elastomer and adhesive layer 7 composed of hydroxyl radical unfolding thermoplastic elastomer formulation is included on at least one place of the molding enclosure section 3.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004060704-A (JP)
Title: Magnetic gear device
Inventor: UEDA TAKESHI
IPC: F16H49/00
Filed: 2002-07-25
Abstract: <P>PROBLEM TO BE SOLVED: To attain highly efficient transmission by relieving the generation of magnetic fluxes between a plurality of magnetic gears magnetically engaging at one magnetic gear and restraining the inhibition of their rotation.  <P>SOLUTION: This planetary gear device is provided with a sun gear 1 constituted as a magnetic gear, a ring gear 2, and a plurality of planetary gears 3. A partition body 4 made of a magnetic substance is arranged in an annular space between a sun gear 1 and a ring gear 2 and is disposed between them and the planetary gear 3 magnetically engaging with them. With this constitution, the generation of magnetic fluxes is released between mutual planetary gears 3, thus restraining the inhibition of the rotation of the planetary gear 3 by action of these magnetic fluxes.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004060203-A (JP)
Title: Water leakage preventive structure of tunnel, its construction method and columnar packing
Inventor: JINNO ATSUSHI
IPC: E21F16/02
Filed: 2002-07-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a water leakage preventive structure for reducing work man-hours in a tunnel, improving an external appearance of the finish, and applicable not only to a vertical joint nut also to a horizontal joint and any crack in a concrete wall of the tunnel.  <P>SOLUTION: In this water leakage preventive structure of the tunnel, a water introducing groove 12 is formed along the joint 11 or the crack on the concrete wall 10 inside of the tunnel, a surface opening part of the water introducing groove 12 is sealed by fitting and adhering columnar packing 20 to the surface opening part of this water introducing groove 12, and this water introducing groove 12 is connected to a drainage ditch of a tunnel lower part. The columnar packing 20 is formed of a foaming body of independent foam composed of rubber, a thermoplastic resin or thermoplastic elastomer. The columnar packing 20 is pressed in and adhered to the water introducing groove 12 so as to become flush with a surface of the concrete wall 10, and a belt-like cover sheet 26 composed of elastomer is stuck over the surface of both side concrete walls 10 for sandwiching the columnar packing 20.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004058185-A (JP)
Title: Cylinder grinding method and device
Inventor: SEKI HIDETOSHI
IPC: B24B5/50
Filed: 2002-07-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cylinder grinding method and a device automatically grinding a cylinder without receiving a specially large grinding load when grinding projection parts irregularly formed in the axial direction of a work with a straight trunk part, for example, an ingot.  <P>SOLUTION: This method includes: to set an upper limit set value showing a grindable maximum diameter value, a lower limit set value showing a final diameter value targeted by the cylinder grinding, and a single or a plurality of intermediate set values set between the upper limit set value and the lower value set value and showing a diameter value determining grinding conditions of a partial grinding; and to grind the cylinder by combining the partial grinding and the straight trunk part grinding relative to the work with the straight trunk part based on the set values. This method measures the diameter of the work along the axial direction, compares the measured diameter value with the set value, determines the necessity/non-necessity of the partial grinding to the work based on the comparison result and a grinding procedure, and grinds the cylinder according to the determined grinding procedure so that the work is formed into the lower limit set value.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004062481-A (JP)
Title: Article ejector for automatic vending machine
Inventor: KONO MASAHIRO
IPC: G07F11/16
Filed: 2002-07-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide an article ejector for an automatic vending machine capable of surely preventing an article delivery defect due to article erection even in the case of fixing the position of a housing frame so as to make a depth dimension inside the housing frame longer or using the driving motor of small driving force.  <P>SOLUTION: The article ejector is provided with a lifter 25 held in a projected end attitude projected upwards from a mounting surface 10c for temporarily receiving a dropped article 1 and correcting it to a attitude close to horizontal when the ejecting operation of the article 1 at a lower end part is performed by a pusher 23 and the back side part of the article 1 second from the bottom is dropped downwards. The lifter 25 is held in an inclined posture of being lowered on a back side in the projected end attitude. Thus, when the article 1 is dropped onto the lifter 25, the article 1 is slid and moved in the inclined direction, the article 1 is corrected so as to be shifted to an excellent horizontal attitude and the article erection is prevented.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004058495-A (JP)
Title: Multicolor gravure printer
Inventor: YOSHIDA TSUGUAKI
IPC: B41F13/00
Filed: 2002-07-30
Abstract: <P>PROBLEM TO BE SOLVED: To prevent an initial misregistration at the setting of a gravure printing cylinder, when the gravure printing cylinder is set by being coupled to a line shaft.  <P>SOLUTION: This multi gravure printer 10 comprises the gravure printing cylinders 11 which have printing cylinder shafts 13, respectively, the line shaft 21 which is coupled to a driving part 20, and a driving shaft 22 which is coupled to the line shaft 21 and provided in each of the cylinders 11. A driven gear 18 is attached to the shaft 13 of the cylinder 11, and engaged with a driving gear 23 of the driving shaft 22. Both the driving gear 23 and the driven gear 18 are composed of helical gears. The driving gear 23 is moved along the driving shaft 22, so that the adjustment of the driven gear 18 in a rotational direction can prevent the initial misregistration.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004066530-A (JP)
Title: Portable device
Inventor: MORI YUKIHIRO
IPC: H01M2/10
Filed: 2002-08-02
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a portable device in which rigidity of a cover mechanism covering a battery containing section is enhanced.  <P>SOLUTION: A battery containing section cover mechanism 80 comprises a cover member 81, a turning central shaft module 90, and a turning central shaft module supporting structural section 100. The module 90 is supported by the module supporting structural section 100 movably in the X1 direction. A turning central shaft 92 is contained in a recess part 107. When the cover member 81 is opened excessively over a normal open position, the module 90 is moved in the X1 direction and the turning central shaft 92 projects from the recess part 107 to prevent application of an undue force to the part of the turning central shaft 92 thus protecting the cover mechanism 80 against damage.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004072900-A (JP)
Title: System and method for electric power network management
Inventor: NISHIDA TAKEHIKO
IPC: G06F19/00
Filed: 2002-08-06
Abstract: <P>PROBLEM TO BE SOLVED: To implement an electric power network management system wherein an electric power network which is supplied with generated output from a plurality of natural energy generating sets (e.g. photovoltaic power generator, wind turbine generator) is stabilized.  <P>SOLUTION: The controller 15 for each natural energy generator system 1 predicts the electricity generated for an expected date of power generation based on weather information for the expected date of power generation according to weather forecasting or the present season and predetermined electricity generated information. In addition, the controller 15 predicts the power consumption of a load 14 for the expected date of power generation based on the weather information, present season, or the expected data of power generation or its day of the week and predetermined power consumption information. An electric power network management apparatus 3 determines the amount of power supply of each natural energy generator system 1 based on the predicted electricity generated and power consumption, so that the sum of the amounts of power supply to the electric power network 2 becomes constant in the expected date of power generation.  <P>COPYRIGHT: (C)2004,JPO