| Patent application number | Description | Published |
| 20100087613 | DIVIDED REDOX-CURING TYPE COMPOSITION - The present invention provides a divided redox-curing type composition including a first part in which at least an oxidizing agent (b) is dissolved in a first radical monomer including a radical monomer (a) having an acidic group and/or a hydrophilic group; and a second part in which at least an aromatic sulfinate (d) is dispersed in a second radical monomer including a radical monomer (c) having neither an acidic group nor a hydrophilic group. According to the present invention, a redox-curing type composition capable of securing a time necessary for an adhesion operation and exhibiting high bond strength not only at the initial stage of adhesion but also over a long period of time thereafter in application to a wetting material such as a tooth or a bone as well as a tooth crown repairing material such as a metal or porcelain. | 04-08-2010 |
| 20100267856 | CEMENT FOR DENTAL APPLICATIONS - A cement for dental use, containing a first agent and a second agent, wherein both of the first agent and the second agent contain a polymerizable monomer (a) and a filler (b), wherein the first agent and/or the second agent further contains a photopolymerization initiator (c), wherein further as a chemical polymerization initiator (d), either one of the first agent and the second agent contains an oxidizing agent (f) and the other contains a reducing agent (g), the oxidizing agent (f) and the reducing agent (g) constituting a redox polymerization initiator, wherein the photopolymerization initiator (c) contains an α-diketone, and the photopolymerization initiator (c) is contained in a total amount of from 0.010 to 0.100 parts by weight, based on 100 parts by weight of the total amount of the polymerizable monomer (a), wherein the chemical polymerization initiator (d) is contained in a total amount of from 0.001 to 20 parts by weight, based on 100 parts by weight of the total amount of the polymerizable monomer (a), and wherein a cured product has a compression modulus immediately after photocuring of from 100 to 400 MPa, and a compression modulus after 24 hours from photocuring of 500 MPa or more. The cement for dental use of the present invention is suitably used for adhering the dentine and a crowning restorative material in the field of dental therapy, or the like. | 10-21-2010 |
| Patent application number | Description | Published |
| 20120061961 | WIND TURBINE GENERATOR AND METHOD OF CONTROLLING THE SAME - An object of the present invention is to, if a frequency decrease has occurred in a power system, avoid a trip in a wind turbine generator and reliably contribute to recovery of the frequency of the power system. The present invention provides a wind turbine generator that, if a predetermined frequency decrease that requires PFR has occurred in the power system, calculates a marginal active power based on the difference between a predetermined rotational speed lower limit value, which is obtained by providing the parallel-off rotational speed with a predetermined margin, and a measured value of the shaft rotational speed, and generates an active power command value based on the marginal active power. | 03-15-2012 |
| 20120104753 | CONTROL SYSTEM OF WIND POWER GENERATOR, WIND FARM, AND METHOD FOR CONTROLLING WIND POWER GENERATOR - A wind power generator generates power through a rotation of a rotor and is interconnected, and operated with its power generation output previously limited in order to be able to further supply the power to a power system in response to a decrease in system frequency. Thus, a concentrated control system derives a required restricted amount corresponding to a power generation output required to respond to the decrease in system frequency, derives a value by subtracting an amount corresponding to a latent power generation output with which the power generation output can be increased, from the required restricted amount, and sets a restricted amount of the power generation output in each wind power generator to perform the operation with the power generation output previously limited to respond to the decrease in system frequency, based on the above value. | 05-03-2012 |
| 20120104755 | WIND FARM CONTROL SYSTEM, WIND FARM, AND WIND FARM CONTROL METHOD - To prevent disconnection of wind turbine generators due to changes in wind conditions even if the wind turbine generators is operated to limit the power output. A plurality of wind turbine generators that generate electric power by the rotation of rotors are provided in a wind farm are interconnected and are operated while the power outputs are limited in advance so as to be able to further supply electric power to a utility grid in response to a decrease in the frequency or voltage of the utility grid. The rotational speed of the rotor, which is a physical quantity related to increase and decrease in the power output of the wind turbine generator, is measured for each of the wind turbine generators by a wind-turbine control system, and the limitation amount of the power output of the wind turbine generator is set for each of the wind turbine generators by a central control system on the basis of the rotational speed of the rotor measured. | 05-03-2012 |
| 20120205912 | WIND-TURBINE-GENERATOR CONTROL APPARATUS, WIND TURBINE GENERATOR SYSTEM, AND WIND-TURBINE-GENERATOR CONTROL METHOD - A wind-turbine control device controls a wind turbine generator in which a rotor having a plurality of blades receives wind and rotates. The generator generates electrical power through the rotation of the rotor. The electrical power is supplied to a utility grid, and electric energy to be supplied to the utility grid can be changed according to a change in the frequency of the utility grid. The wind-turbine control device includes a subtracter to calculate a frequency change, which is the difference between a measurement value of the frequency of generated output power of the wind turbine generator and a set value of the frequency of the generated output power of the wind turbine generator. The wind-turbine control device further includes a limiter to limit a change in the electrical power corresponding to the frequency change calculated by the subtracter, based on the rotational speed of the generator. | 08-16-2012 |
| 20120261919 | CONTROL SYSTEM OF WIND POWER GENERATOR, WIND FARM, AND METHOD FOR CONTROLLING WIND POWER GENERATOR - A wind power generator generates power through a rotation of a rotor and is interconnected, and operated with its power generation output previously limited in order to be able to further supply the power to a power system in response to a decrease in system frequency. Thus, a concentrated control system derives a required restricted amount corresponding to a power generation output required to respond to the decrease in system frequency, derives a value by subtracting an amount corresponding to a latent power generation output with which the power generation output can be increased, from the required restricted amount, and sets a restricted amount of the power generation output in each wind power generator to perform the operation with the power generation output previously limited to respond to the decrease in system frequency, based on the above value. | 10-18-2012 |
| Patent application number | Description | Published |
| 20120314725 | OPTICAL DEVICE, MODULATOR MODULE, AND METHOD FOR MANUFACTURING THE OPTICAL DEVICE - An optical device includes a ridge-like optical waveguide portion, a mesa protector portion that is arranged in parallel to the optical waveguide portion, a resin portion that covers upper parts of the mesa protector portion and is disposed at both sides of the mesa protector portion, an electrode that is disposed on the optical waveguide portion, an electrode pad that is disposed on the resin portion located at an opposite side to the optical waveguide portion with respect to the mesa protector portion, and a connection portion that is disposed on the resin portion and electrically connects the electrode to the electrode pad. | 12-13-2012 |
| 20130051725 | OPTICAL DEVICE, OPTICAL MODULE, AND METHOD FOR MANUFACTURING OPTICAL DEVICE - An optical device includes a substrate and a first optical waveguide including a mesa. The mesa includes a first lower clad layer portion, a first core layer portion, and a first upper clad layer portion. The first lower clad layer portion, the first core layer portion, and the first upper clad layer portion are disposed in this order from the substrate side. The optical device also includes a first etch stop layer configured to stop etching when the first optical waveguide is formed. The first etch stop layer being laminated over the substrate. The first optical waveguide is laminated on the first etch stop layer. | 02-28-2013 |
| Patent application number | Description | Published |
| 20080205235 | Optical-pickup-adjustment optical disk, method of adjusting optical pickup device, and method of producing optical pickup device - An optical-pickup-adjustment optical disk used for adjusting or producing an optical pickup device, includes a transparent protective substrate; and an optical-pickup-adjustment middle-depth information recording layer formed on a side of an inside surface of the transparent protective substrate, wherein the optical-pickup-adjustment middle-depth information recording layer is formed to have a middle depth which is a center of the maximum depth of the maximum-depth information recording layer prescribed by the optical disk standard and the minimum depth of the minimum-depth information recording layer prescribed by the optical disk standard. | 08-28-2008 |
| 20090078857 | Optical Pickup Device and Optical Disk Device - A laser emitting device ( | 03-26-2009 |
| 20090097121 | Diffractive Optical Element and Optical Head - A diffractive optical element whose two diffraction gratings diffract three different wavelength light beams is provided. The diffractive optical element includes a first diffraction grating and a second diffraction grating that is located opposite the first one, and is configured in such a way that, among three different wavelength incident light beams, the diffraction efficiency in one light beam diffracted on the first diffraction grating is a predetermined value or less, and the diffraction efficiencies in the other two different incident light beams diffracted on the second diffraction grating are predetermined values or less. This arrangement can achieve a diffractive optical element capable of diffracting the three different wavelength light beams in a simple configuration. | 04-16-2009 |
| 20090135701 | Optical Pickup Device and Optical Disc Device - [Problem] An objective is to provide an optical pickup device, for recording on or reproducing from optical medias enable to use for the light beams with plural kind of wavelength, in which plural light beams reflected by the optical medium can be detected by a common photo detector. | 05-28-2009 |
| 20090201785 | OPTICAL PICKUP AND OPTICAL DISC DRIVE - An optical pickup has a semiconductor laser device that can emit laser beams with different wavelengths. A beam splitter and objective lens direct the emitted beam onto a rotating optical disc. Reflected light returns through the objective lens and beam splitter to a photodetector. A pair of liquid crystal elements on the optical path from the optical disc to the photodetector have controllable lens functions acting in different directions to produce an adjustable astigmatic effect that enables the photodetector to generate a focus error signal with a linear range appropriate for the type of optical disc, the number of signal layers in the optical disc, and the spacing between the layers. | 08-13-2009 |
| 20090303850 | OPTICAL DISC MEDIUM AND OPTICAL DISC DEVICE - When using an optical disc medium that includes pit trains having their widths narrower than a diffraction limit, it is difficult to detect a tracking error signal and take a tracking-servo control while increasing pit density in a direction orthogonal to a pit-train extension direction. | 12-10-2009 |
| 20100097917 | DIFFRACTIVE OPTICAL ELEMENT AND OPTICAL PICKUP - An optical pickup with a simplified structure in which, according to the type of optical disc, diffracted light from three types of laser light can be directed efficiently onto a photodetector and appropriate focus control can be performed based on the signals detected by the photodetector, and a diffractive optical element that can be used in the optical pickup, which has a semiconductor laser | 04-22-2010 |
| 20120106310 | OPTICAL HEAD DEVICE AND OPTICAL DISC DEVICE - An optical head device mounted in an optical disc device. The optical head device is provided with a diffractive optical element and a photodetector. The diffractive optical element has: a primary diffraction region at a location on which the positive and negative first-order components and some of the zero-order component of a reflectively diffracted light beam are incident; and secondary diffraction regions at locations on which the rest of the zero-order component but none of the positive or negative first-order components of the reflectively diffracted light beam are incident. A main light-receiving section of the photodetector receives the zero-order component of a transmissively diffracted light beam that has passed through the primary diffraction region and the secondary diffraction regions. Secondary light-receiving sections receive the positive first-order component and/or the negative first-order component of the transmissively diffracted light beam that has passed through the secondary diffraction regions. | 05-03-2012 |
| Patent application number | Description | Published |
| 20090110273 | Image Processing Device and Image Processing Program - An inspection apparatus includes an imaging device and an image processing device. The imaging device photographs a specimen and outputs a color image of the specimen to the image processing device. The image processing device subjects the color image of the specimen to negative-positive reversal. After detecting a mode value of the hue of the color image having been subjected to negative-positive reversal, the image processing device changes the hue of the color image in accordance with a difference between a boundary value of two predefined hues and the detected mode value. In accordance with the change of the hue, a plurality of target pixels different in the saturation is extracted and the saturation and the intensity of each pixel are changed, or the gradation of each pixel is converted so that the plurality of target pixels becomes most distant from one another in a color space. | 04-30-2009 |
| 20090141979 | IMAGE PROCESSING DEVICE AND RECORDING MEDIUM STORING IMAGE PROCESSING PROGRAM - An inspection apparatus includes an imaging device and an image processing device. The imaging device photographs a specimen and outputs a color image of the specimen to the image processing device. The image processing device subjects the color image of the specimen to negative-positive reversal. After detecting a mode value of the hue the color image having been subjected to negative-positive reversal, the image processing device changes the hue of the color image in accordance with a difference between a boundary value of two predefined hues and the detected mode value. In accordance with the change of the hue, a plurality of target pixels different in the saturation is extracted and the saturation and the intensity of each pixel are changed, or the gradation of each pixel is converted so that the plurality of target pixels becomes most distant from one another in a color space. | 06-04-2009 |
| 20110117821 | CHEMICAL MECHANICAL POLISHING AQUEOUS DISPERSION, CHEMICAL MECHANICAL POLISHING METHOD USING THE SAME, AND METHOD OF RECYCLING CHEMICAL MECHANICAL POLISHING AQUEOUS DISPERSION - A chemical mechanical polishing aqueous dispersion includes (A) abrasive grains, (B) an organic acid, and (C1) copper ions or (C2) at least one kind of metal atoms selected from Ta, Ti, and Rb, the chemical mechanical polishing aqueous dispersion including the copper ions (C1) at a concentration of 1×10 | 05-19-2011 |
| 20110228132 | CAMERA AND IMAGE COMPOSITION PROGRAM - A camera includes: an image-capturing unit; a storage unit; a positional deviation amount determination unit that determines an amount of positional deviation in each of a plurality of frame images; an image composition unit that positionally matches the frame images based upon the results of determination and performs additive composition; a decision unit that decides whether or not each of the frame images is suitable for a subject for the additive composition; and a control unit that, if a negative decision is reached for at least one of the frame images, selects as a source image a frame image decided as suitable, takes a duplicate image as a subject for the additive composition instead of the frame image decided to be negative, and controls the image composition unit so as to perform the additive composition while relatively shifting one of the duplicate and the source image by a predetermined amount. | 09-22-2011 |
| 20120013737 | IMAGE-CAPTURING DEVICE, AND IMAGE COMBINATION PROGRAM - An image-capturing device includes: an image-capturing unit that captures an image of a photographic subject; a selection unit that selects, as a reference image, a single image from among a plurality of images that have been captured in succession by the image-capturing unit; a calculation unit that calculates an amount of positional deviation between the reference image and each of the plurality of images other than the reference image; and a generation unit that generates a combined image by positionally aligning and then combining the reference image and those ones of the plurality of images whose amounts of positional deviation are less than or equal to a predetermined amount of deviation. The selection unit selects the reference image so that the number of images for which the amount of positional deviation is less than or equal to the predetermined amount of deviation becomes large. | 01-19-2012 |
| 20120026365 | IMAGING DEVICE AND IMAGE SYNTHESIS PROGRAM - An imaging device includes an imaging element, a RAM, an adding synthesizing unit, and a high dynamic range synthesizing means. The imaging element captures an image of a subject and generates image data. The RAM temporarily stores plural pieces of image data that have been consecutively captured by the imaging element. The adding synthesizing means adds and synthesizes the plural pieces of image data stored in the RAM to generate synthesized image data. The high dynamic range synthesizing means synthesizes one of the plural pieces of image data with the synthesized image data to generate high dynamic range image data and outputs the generated high dynamic range image data. | 02-02-2012 |