baber/WOPTO huggingface dataset:
Patent JP-2009222796-A (JP)
Title: Optical limiter circuit and optical receiving circuit
Inventor: FUKUSHIMA SEIJI
IPC: G02F1/01
Filed: 2008-03-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical limiter circuit that is easily integrated with other optical function circuits and has a wide use wavelength, and to provide an optical receiving circuit.  <P>SOLUTION: A demultiplexing waveguide 102 is connected to an input waveguide 101, a multiplexing waveguide 105 is connected to an output waveguide 106, and a first arm waveguide 103 and a second arm waveguide 104 are formed to connect those demultiplexing waveguide 102 and multiplexing waveguide 105 to each other. Thus, the optical circuit constitutes a Mach-Zehnder optical interference waveguide. Those optical circuits are composed of a semiconductor waveguide (for example, silicon Si, indium phosphate InP, gallium arsenide GaAs, etc.), and defect increasing processing by impurity doping, low-temperature growth, ion implantation, etc., is performed on the first arm waveguide 103 to increase the absorption coefficient of the first arm waveguide 103. Namely, the first arm waveguide 103 and second arm waveguide 104 have their absorption coefficients set to have a difference in absorption coefficient.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009222962-A (JP)
Title: Pedal device for electronic musical instrument
Inventor: IWAMOTO TOSHIYUKI
IPC: G10H1/32
Filed: 2008-03-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a light-weighted pedal device for an electronic musical instrument, capable of attaining operation sensation which is identical to that of a damper pedal of an acoustic piano.  <P>SOLUTION: A lever 40 is supported by a lever support part 41. The lever 40 is energized by the first compression spring 45 and the second compression spring 48. The second compression spring 48 is engaged with a cam 46 interlocked with the lever 40, and an energizing force of the second compression spring 48 is varied by a large amount, when a pedaling-in amount for the lever 40 lies within a prescribed range. The energizing force of the first compression spring 45 varies over the full operation range of the lever 40.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009222975-A (JP)
Title: Fixing device and image forming device
Inventor: SATO HIDEKI
IPC: G03G15/20
Filed: 2008-03-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fixing device and an image forming device, capable of protecting a detecting part of a detector for detecting a recording medium, while attaining reduction in size.  <P>SOLUTION: This fixing device 40 has a pressing roll 36 and a pressing roll 38 for applying heat and pressure to the passing recording medium, and the recording medium is passed through a clearance of a pressure contact part 64 formed between the pressing roll 36 and the pressing roll 38. The fixing device 40 has the detector 74 for detecting the passage of the recording medium, and the detector 74 has a moving member 76 moving in response to the passage of the recording medium, and the detecting part 78 for detecting the moving of the moving member 76. The moving member 76 is constituted to prevent steam generated by the recording medium from reaching the detecting part 78, when the recording medium passes the pressure contact part 64.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2008152811-A (JP)
Title: Character size estimating method, device and recording medium
Inventor: OISHI TSUTOMU
IPC: G06K9/20
Filed: 2008-03-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a character size estimating method to accurately estimate the character size in an image.  <P>SOLUTION: A threshold value setting part 58 determines a threshold value, based on the distribution of run frequencies. A connecting rectangle extracting part 59 extracts a connecting rectangle only targeting runs larger than the threshold value for the runs extracted in the main and secondary scanning directions, and a ruler line extracting part 60 extracts ruler lines from the extracted connecting rectangle. A character rectangle determining part 61 determines the ruler lines to be a character rectangle if there are three or more ruler lines in both the main scanning direction and the secondary scanning direction.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008277771-A (JP)
Title: Method for film formation, structure having insulating film and its manufacturing method and electronic component
Inventor: OKUDA RYUICHI
IPC: H01L23/52
Filed: 2008-03-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for forming an even film on at least the inner wall face of a hole, a structure having an insulating film using the method, and its manufacturing method and an electronic component.  <P>SOLUTION: The method for film formation comprises a solvent coating step of coating a solvent on a substrate having the hole having an opening area of 25 to 10,000 μm<SP>2</SP>and a depth of 10 to 200 μm, a resin composition coating step of coating a resin composition to the substrate so as to come into contact with the solvent in the hole, the resin composition containing the resin component and the solvent, the ratio (V<SB>1</SB>/V<SB>2</SB>) of viscosity V<SB>1</SB>(mPa s) in the shearing speed 6 rpm to the viscosity V<SB>2</SB>(mPa s) in the shearing speed 60 rpm is 1.1 or higher, and a drying step of drying the coating film. Further, the film containing the resin component is formed on at least the inner wall face of the inner wall face and bottom face in the hole.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009228700-A (JP)
Title: Roller bearing for image formation device
Inventor: NAOTSUKA YOSUKE
IPC: F16C35/063
Filed: 2008-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a roller bearing for a highly reliable image formation device, reversibly preventing problems of unusual sound and wearing out, while an assemblability and maintainability of a roller rotation body are excellent.  <P>SOLUTION: The roller bearing 10 is provided with an outer ring 11 and an inner ring 12 which are relatively rotatably via a rolling element 15. Between these rings, the inner ring 12 is comprised of: an outer bore side 13 having rolling surface 12a1 of the rolling element 15 ; and an inner bore side 14 which is impregnated with a lube fluid into the inner air hole, and is fitted in and held by the outer periphery of the axial part 6 relatively rotatably against axial part 6 of the roller rotation body.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009228827-A (JP)
Title: Elastic roller and method for manufacturing the same
Inventor: SAOTOME HIROAKI
IPC: B05D1/18
Filed: 2008-03-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a manufacturing method of an elastic roller capable of stably manufacturing the high-quality elastic roller, by preventing image failure by restraining appearance failure by a coating defect, and to provide the elastic roller having an uniform surface layer.  <P>SOLUTION: This manufacturing method of the elastic roller comprises a shaft core body, an elastic layer formed on the outer periphery of the shaft core body, and a surface layer formed on the outer periphery of the elastic layer. The manufacturing method of the elastic roller comprises an application process of applying paint for forming the surface layer on the elastic layer, and comprises a process of adjusting surface free energy of an outside surface of the elastic layer to 10 mN/m or more before the application process. The elastic roller is manufactured by this method.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009229927-A (JP)
Title: Autofocus adjustment device and imaging apparatus
Inventor: TSUCHIYA HITOSHI
IPC: G02B7/36
Filed: 2008-03-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide an autofocus adjustment device and an imaging apparatus which can be prevent erroneous focusing even if a distance measurement view field is located at an end of a photographing view field when performing AF by a contrast system in a camera the focal distance of which is relatively long.  <P>SOLUTION: The autofocus adjustment device or the imaging apparatus is provided with a system controller 123. The system controller is configured so that a correlation value calculating means calculates the value of a correlation between a video in a focus detection area when a focus lens 102 is located in a lens position which is separated by a predetermined distance toward the proximity side from the lens position determined when a focus evaluation value has a peak value and a video in a focus detection area when the focus lens 102 is located in a lens position which is separated by a predetermined distance toward the infinity side from the lens position determined when the focus evaluation value has the peak value. When the value of the correlation calculated by the correlation value calculating means is equal to or greater than a predetermined value, it is determined that the lens position corresponding to the peak value is a lens position obtained when the lens is focused.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009228854-A (JP)
Title: Ball joint
Inventor: NINOMIYA JIRO
IPC: F16C11/06
Filed: 2008-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a ball joint having a friction characteristic corresponding to the movement direction of a ball stud.  <P>SOLUTION: This ball joint 4 has the ball stud 41 having a spherical head part 41a and a handle part 41b extending from the head part 41a, and a housing 42 having an opening part 42a for loosely insetting the handle part 41b and rockingly supporting the head part 41a. A high friction member 43 and a low friction member 44 are interposed between the head part 41a and the housing 42, and the low friction member 44 is arranged by being regulated by the head part 41a or the housing 42 so as to be movable in the predetermined direction and to be immovable in the other predetermined direction.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009229420-A (JP)
Title: Electronic control device
Inventor: MITSUGI SHINJI
IPC: G01R31/00
Filed: 2008-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electronic control device capable of checking each part of an input signal processing circuit, etc. for any error without requiring an additional path or timer.  <P>SOLUTION: An error checking signal is input to the input signal processing circuit 21 or a selector 22 based on a command to shift to an error check mode from a CPU3, and output signals OUT0 to OUT3 at that time are input to the CPU3 to conduct error check. This allows error check of a capturing function of the CPU3, in addition to the input signal processing circuitry 21, but also error check of each element and wiring of a path for transmitting a signal indicating a wheel speed to the CPU3.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009233678-A (JP)
Title: Manufacturing method of electric resistance welded tube having excellent welding quality
Inventor: OKABE YOSHITOMO
IPC: B23K13/00
Filed: 2008-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To manufacture an electric resistance welded tube having very excellent welding quality by measuring the length of a narrow space part from a welding point to a V-converging position with high accuracy, and setting the welding heat input so that the length of the narrow space part becomes optimum.  <P>SOLUTION: The image of a part in a vicinity of a welding point 3 of a workpiece 10 is continuously picked up for the time of ≥10ms at the image pickup speed of ≤1/200 second by a high speed camera 6, the length of a narrow space part 4 from the welding point 3 to the V-converging position 7 is measured based on the picked-up image. The welding heat input of the electric resistance welding is adjusted so that the measured length L(mm) of the narrow space part satisfies the inequalities (1) 0.259t+0.013d-0.00548v-6.16 <L< 0.259t+0.013d-0.00548v+23.84, where t denotes the thickness (mm) of a metal strip, d denotes the outside diameter (mm) of the tube, and v (mm/s) denotes the welding speed.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2008276757-A (JP)
Title: System and method for print scheduling
Inventor: OTA TAKESHI
IPC: B41J29/38
Filed: 2008-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide system and method for print scheduling achieving efficient processing.  <P>SOLUTION: In some embodiments of systems and methods for print scheduling, at least one of a plurality of entries in a request table associated with a printing device is updated with print job related information when a spool associated with a printing device is full. A priority is associated with the entries in the request table and an incoming print job is spooled at the time of a print job request when the spool associated with the printing device is not full and the entry corresponding to the print job in the request table has the highest priority. Embodiments of the methods disclosed provide for the ordered processing of print jobs in a timely fashion with minimal alterations to existing protocols.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009234849-A (JP)
Title: Method for producing semiconductor porcelain composition/electrode assembly
Inventor: INO KENTARO
IPC: H01C7/02
Filed: 2008-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor ceramic composition/electrode assembly, wherein the semiconductor ceramic composition comprises BaTiO<SB>3</SB>having a part of Ba substituted by Bi-Na and has a P type semiconductor in the crystal grain boundary and has low resistivity at room temperature of ≤100 Ω/cm and is made the change with time due to energization small.  <P>SOLUTION: This semiconductor porcelain composition/electrode assembly is formed by joining an electrode to the semiconductor ceramic composition comprising BaTiO<SB>3</SB>having a part of Ba substituted by Bi-Na and having the p-type semiconductor in the crystal grain boundary. The method of manufacturing the semiconductor ceramic composition/electrode assembly is carried out by heating the semiconductor ceramic composition at ≥100°C and ≤600°C for ≥0.5 hr and ≤23 hr after the electrode is joined.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009238627-A (JP)
Title: Light irradiation device
Inventor: TOKO YASUO
IPC: F21Y101/02
Filed: 2008-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a light irradiation device capable of distributing light with dazzle controlled which is sensed by a driver of an oncoming vehicle or pedestrians, while, as an example, using it as a lighting fixture for a vehicle at the time of raining.  <P>SOLUTION: The light irradiation device includes a prism layer with a long prism formed in a first direction and an orientation structure for controlling a longer axis direction of liquid crystal molecules in an interface with the prism layer so as to be parallel with the first direction, on an inner face of a liquid crystal cell. Of a liquid crystal layer, a first refractive index of a polarization direction to a polarization component parallel to the longer axis direction of liquid crystal molecules is mutually different from a second refractive index of the polarization direction to the polarization component perpendicular to the longer axis direction of liquid crystal molecules, the second refractive index and a refractive index of the prism layer are the same. In an interface between the liquid crystal layer and the prism layer, when a polarization component having a polarization direction parallel to the longer axis direction of liquid crystal molecules oriented parallel to the first direction is emitted from the liquid crystal cell, the first direction is selected so as the polarization direction of the polarization component is to be a perpendicular direction.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009234087-A (JP)
Title: Wiring structure, joining method, method of manufacturing liquid discharge head and liquid discharge head
Inventor: SANADA KAZUO
IPC: B41J2/055
Filed: 2008-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a wiring structure, enabling electric connection to piezoelectric elements disposed with high density without a complicated structure and with high reliability; a bonding method; a method of manufacturing a liquid discharge head and a liquid discharge head.  <P>SOLUTION: A FPC 100 is bonded to a piezoelectric element disposition surface 50A of the head 50. The FPC 100 is provided with a cover part 108 surrounding the periphery of the piezoelectric elements 58, and the cover part 108 has a function of securing upper space not to inhibit movement of the piezoelectric elements 58, a function of intercepting the piezoelectric elements 58 from an external environment by the space to prevent deterioration of the piezoelectric elements 58, and a function (an opening 112) as an ink injection passage. A complicated rugged shape is formed on the FPC 100 side, thereby bonding the head 40 and the FPC 100 to each other in a flat surface. According to a preferred mode, a filter structure is provided instead of the opening 112.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2008176339-A (JP)
Title: Voice coding method and voice decoding method
Inventor: TANAKA YOSHIAKI
IPC: G10L19/008
Filed: 2008-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To manage processing time of a reproduction side, when a voice signal of multi-channels is coded with a variable compression rate.  <P>SOLUTION: Predictive coding circuits 13D1, 13D2, and 15D1 to 15D4, and a buffer selection units 14D1, 14D2, and 16D1 to 16D4 predictively encode a six channel voice signal in a voice coding method. A decoding time stamp (DTS) creating unit 17 creates decoding time stamp information for indicating timing to read a compression data in an input buffer 22a of a decoding side, according to a prediction coding data amount for each channel, and a formatting circuit 19 formats it into a packet which has a packet header including the decoding time stamp information, and a user data including the compression data.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009244289-A (JP)
Title: Circuit device and circuit device apparatus
Inventor: TANAKA TAKEHITO
IPC: G02F1/03
Filed: 2008-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To obtain satisfactory microwave characteristics in a wider frequency band.  <P>SOLUTION: A circuit device includes: a dielectric substrate 41; a coplanar line 42 including a first line 42a and a second line 42b being decoupled mutually and ground electrodes 42c formed around the first and second lines 42a and 42b, which are formed on a first face 4A of the dielectric substrate 41; a capacitor member 43 mounted so as to connect the first and second lines 42a and 42b; a terminal resistance 44 formed so as to connect to the second line 42b; a microstrip line 45 formed on a second face 4B being opposite to the first face 4A of the dielectric substrate 41; and a conduction portion 46 formed in the dielectric substrate 41 to make the first line 42a and the microstrip line 45 conductive.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009057539-A (JP)
Title: Coating material
Inventor: ONOE SEIICHI
IPC: C09D201/00
Filed: 2008-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a coating material reducing labor in storage, distribution and the like and exhibiting good antifouling property in a formed coating film.  <P>SOLUTION: The coating material contains (A) a synthetic resin emulsion, (B) water-dispersible silica with a grain size of 1-200 nm, and (C) a fluorine-containing compound having a polyfluoroalkyl group and a nonionic/amphoteric hydrophilic group as essential constituents. The components (A), (B), and (C) are mixed at the following mixing ratios to the total amount of the coating material, the solid content in the component (A) is 1-50 wt.%, the solid content in the component (B) is 0.1-40 wt.%, and the component (C) is 0.01-3.0 wt.%.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008168433-A (JP)
Title: Polishing pad and manufacture method thereof, and cushioning layer for polishing pad
Inventor: ONO KOICHI
IPC: B24B37/24
Filed: 2008-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a polishing pad that performs a planarization process for a material required for high planarization, such as a silicon wafer for a semiconductor device, a magnetic disk, an optical lens, etc. at a stable and high speed; to provide a polishing pad that makes the production of the sheet-forming, the surface treatment of grooves, etc., easy and that has an excellent thickness precision, a high polishing speed and a uniform polishing speed; to provide a polishing pad that will not cause dispersion of quality due to individual difference, that is easy to perform the processing pattern change, that makes fine processing possible, and that has no occurrence of burr when projections and depressions are formed; and to provide a polishing pad that produces no slurry, can be mixed with grinding particles at a high concentration, and even if the grinding particles is dispersed, the scratch due to the aggregation of the grinding particles hardly occurs.  <P>SOLUTION: A polishing layer of the polishing pad is formed by a hardening composition that is hardened by energy ray, and the polishing layer has on its surface irregularities formed by a photolithography method. In the polishing pad, the polishing layer resin with distributed abrasive grains is a resin having 20 to 1,500 eq/ton ionicity radicals.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009245304-A (JP)
Title: Program, apparatus and method for associating images
Inventor: CHIN AKIRA
IPC: G06T7/20
Filed: 2008-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To quickly associate images with one another.  <P>SOLUTION: A pyramid feature-point graph creation unit 12a creates a pyramid feature-point graph by repeating the process of generating as a set of feature points of an upper hierarchy a set of representative feature points for each subset classified in a lower hierarchy, starting from the set of feature points of the lowest hierarchy. When associating two images, a matching list creation unit 12b creates a matching list by calculating similarities between feature points in the highest hierarchy of the pyramid feature-point graph created by the pyramid feature-point graph creation unit 12a. The matching list creation unit 12b associates the plurality of feature points of the lowest hierarchy with one another by repeating the process of creating a matching list by calculating, in a lower hierarchy, similarities between feature points included in a subset where the feature points associated in an upper hierarchy are representative feature points, starting from the hierarchy immediately below the highest hierarchy.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009242368-A (JP)
Title: Dorzolamide hydrochloride ophthalmic solution
Inventor: KAWAI KATSUHIRO
IPC: A61K9/08
Filed: 2008-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a dorzolamide hydrochloride ophthalmic solution with decreased eye irritancy.  <P>SOLUTION: In the ophthalmic solution which contains dorzolamide hydrochloride (its chemical name is (-)-(4S, 6S)-4-ethylamino-5,6-dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide monohydrochloride) as an active constituent, the condition for decreasing eye irritancy is discovered. The ophthalmic solution prepared by dissolving dorzolamide hydrochloride in purified water, etc., causes eye irritancy at the time of instillation of drop. Though the pH of the ophthalmic solution, which is exemplified as one cause of eye irritant property, is generally confirmed to be 5.5-5.9 in the acidic region, the condition decreasing the eye irritancy during the instillation of a dorzolamide hydrochloride ophthalmic solution is found to be especially 6.5-8.5 in the neutral region of pH.  <P>COPYRIGHT: (C)2010,JPO&INPIT