Patent application number | Description | Published |
20090059985 | EL SEMICONDUCTOR DEVICE - An n-type cladding layer structure which has good luminescence properties without the use of substances corresponding to RoHS Directive and a high Cl-doping efficiency, i.e. which facilitates the manufacture of a semiconductor optical element and device with low crystal defects and high reliability, and an active layer and a p-type cladding layer therefor are provided. The n-type layer being lattice matched to an InP substrate and containing Group II-VI compound as a main ingredient is a Group II-VI compound semiconductor, in which the Group II elements consist of Mg, Zn, and Be and the Group VI elements consist of Se and Te. The n-type layer of the present invention is characterized by a large energy gap, high energy of the bottom of a conduction band that is effective for suppress the Type II luminescence, high carrier concentration, and low crystal defects attributed to a good quality crystallinity. | 03-05-2009 |
20090141763 | SEMICONDUCTOR LASER - There is disclosed a Be-containing II-VI group semiconductor laser that has a laminated structure formed on an InP substrate to continuously emit at room temperature without crystal degradation. A basic structure of the semiconductor laser is formed over the InP substrate by use of a lattice-matched II-VI group semiconductor including Be. An active layer and cladding layers are formed to be a double heterostructure with a type I band lineup, in order to increase the efficiency for injecting carriers into the active layer. The active layer and the cladding layers are also formed to enhance the light confinement to the active layer, in which the Mg composition of the p-type cladding layer is set to Mg<0.2. | 06-04-2009 |
20110096383 | LIGHT BEAM SCANNING IMAGE PROJECTION APPARATUS - The object of the invention included in the present application is to automatically prevent the deterioration of the image even when the image quality of the projected image is deteriorated due to the replacement of the light source or the like. The following light beam scanning image projection apparatus is one means for achieving the object. In the light beam scanning image projection apparatus including a plurality of light sources which emit the light beams of respectively different wavelengths, a driving section which modulates the intensity of each light beam in accordance with the image signal, the light axis alignment means which aligns the light axes of each light beam, and scanning means which scans the light beams, the light axis alignment means includes: a plurality of optical elements; and an adjusting section which adjusts at least one of a position and a gradient of at least one of the optical elements, and the light beam scanning image projection apparatus further includes: detecting means which detects a shift between a spot center of each light beam and a center reference point; and position correction means which controls the adjusting section based on a detection result in the detecting means to adjust at least one of the position and the gradient of at least one of the optical elements of the light axis alignment means, thereby aligning the light axes of each light beam. | 04-28-2011 |
Patent application number | Description | Published |
20100038249 | METHOD FOR REPROCESSING SPENT NUCLEAR FUEL AND CENTRIFUGAL EXTRACTOR THEREFOR - A spent nuclear fuel is reprocessed by dissolving a spent nuclear fuel in an aqueous nitric acid solution and separating and recovering nuclides contained in the resulting fuel solution by solvent extraction. A spent nuclear fuel reprocessing method includes: an electrolytic valence adjustment step in which nuclides contained in the fuel solution is electrolytically reduced without removing fission products or minor actinides until valence of plutonium is at a level at which solvent extraction efficiency is low by using the valence of plutonium contained in the fuel solution as a parameter; and a nuclide separation step in which, by using an extraction solvent which extracts uranium contained in the fuel solution, uranium is distributed from the fuel solution subjected to the electrolytic valence adjustment step to the extraction solvent. | 02-18-2010 |
20100314260 | PROCESS FOR PRODUCING RARE METAL AND PRODUCTION SYSTEM THEREOF - According to one embodiment, a process for producing rare metals includes the steps of: electrolyzing an electrolytic solution to extract a Re oxide at a cathode; recovering the Re oxide, and electrolyzing the Re oxide in a molten salt electrolyte to extract metallic Re; recovering a Nd containing residue solution; treating the Nd containing residue solution to produce Nd oxide; electrolyzing the Nd oxide in a molten salt electrolyte to extract metallic Nd; recovering a Dy containing residue solution; treating the Dy containing residue solution to produce Dy oxide; and electrolyzing the Dy oxide in a molten salt electrolyte to extract metallic Dy. | 12-16-2010 |
20110108434 | METHOD OF PRODUCING METAL ZIRCONIUM - An object of the present invention is to provide a method of producing metal zirconium, the method having a fewer steps and a smaller amount of secondary wastes generated, wherein the metal zirconium is obtained from a zirconium compound containing hafnium. A method of producing metal zirconium according to the present invention includes: a separation step of separating a hafnium oxychloride from a first substance containing a zirconium oxychloride and a hafnium oxychloride to obtain a second substance having a higher content of the zirconium oxychloride; a calcination step of calcining the second substance to obtain a third substance containing at least any of a zirconium oxychloride and a zirconium oxide; and a direct reduction step of holding the third substance in a molten salt with the third substance brought into contact with a cathode and applying a voltage between the cathode and an anode to directly reduce the third substance to obtain metal zirconium. | 05-12-2011 |
20150097805 | TOUCH SCREEN FILM, AND TOUCH SCREEN USING SAID FILM, AND STYLUS PEN USED TOGETHER WITH SAID FILM - To detect a position on a screen with which even a thin nib is in contact, and improve operativity, visibility at the time of operation, and a feeling of use. A touch screen film | 04-09-2015 |
Patent application number | Description | Published |
20080199983 | METHOD FOR MANUFACTURING A SEMICONDUCTOR LASER - A method of manufacturing semiconductor laser device including a GaN wafer includes forming a semiconductor layer on the GaN wafer and on which ridge portions are formed. Grooves are formed in the semiconductor layer such that each groove is disposed in line with the scribe marks, between each of the ridge portions and an upstream scribe mark. The grooves are curved and convex outwardly towards a downstream side, and each groove has an apex on a cleavage line. The side extending from the apex preferably does not form an angle of 60 degrees with respect to a cleavage direction or the cleavage line. | 08-21-2008 |
20080247434 | SEMICONDUCTOR LIGHT-EMITTING DEVICE - A semiconductor light-emitting device capable of increasing the carrier concentration of a p-type cladding layer and improving light-emitting efficiency is provided. A semiconductor light-emitting device is made of a Group II-VI compound semiconductor, and the semiconductor light-emitting device includes an active layer between an n-type cladding layer and a p-type cladding layer, in which the active layer has a Type II superlattice structure, and the junctions between the active layer and the n-type cladding layer and between the active layer and the p-type cladding layer each have a Type I structure, and the p-type cladding layer includes tellurium (Te) as a Group VI element. | 10-09-2008 |
20080298415 | SEMICONDUCTOR DEVICE - A semiconductor device having high reliability, a long lifetime and superior light emitting characteristics by applying a novel material to a p-type cladding layer is provided. A semiconductor device includes a p-type semiconductor layer on an InP substrate, in which the p-type semiconductor layer has a laminate structure formed by alternately laminating a first semiconductor layer mainly including Be | 12-04-2008 |
20090111203 | METHOD FOR MANUFACTURING SEMICONDUCTOR LIGHT EMITTING DEVICE - A laminated structure having light-emitting units is formed on a single-crystal wafer. Electrode patterns are formed on the single-crystal wafer opposite the light-emitting units. Dummy patterns are formed on the single-crystal wafer at a location spaced apart from a location opposite the light-emitting units, and offset from a desired cleavage line intersecting the light-emitting units. A scratch is formed on the desired cleavage line. The wafer is cleaved, originating on the scratch, along the cleavage line orientation, in the direction from the dummy pattern, toward the light-emitting units. | 04-30-2009 |
20090309978 | Receiver, situation-of-installation notification method, and transmitting and receiving system - A receiver includes: a band detection unit that detects a frequency band within which the receiver can be connected to a transmitter by radio; a quality detection unit that detects the transmission quality level of video data, which is transmitted from the transmitter, using the frequency band detected by the band detection unit; and a notification unit that notifies an area in which the frequency band within which the receiver can be connected to the transmitter by radio is detected and the transmission quality level is detected to be higher than a predetermined threshold. | 12-17-2009 |
20100040103 | SEMICONDUCTOR DEVICE - The present invention provides a semiconductor device including: a semiconductor layer including an n-type first cladding layer, an n-type second cladding layer, an active layer, a p-type first cladding layer, and a p-type second cladding layer in this order on an InP substrate. The n-type first cladding layer and the n-type second cladding layer satisfy formulas (1) to (4) below, or the p-type first cladding layer and the p-type second cladding layer satisfy formulas (5) to (8) below. | 02-18-2010 |
20100248448 | METHOD OF MANUFACTURING SEMICONDUCTOR DEVICES - A method of manufacturing semiconductor devices by cleaving a semiconductor wafer along a crystal orientation of the semiconductor wafer includes forming a semiconductor layer on the semiconductor wafer, forming an insulating film on the semiconductor layer such that the insulating film includes an insulating film thinned region extending parallel to the crystal orientation and that is thinner than other regions of the insulating film, forming an electrode on the insulating film and that crosses the insulating film thinned region, forming a cut in the insulating film thinned region, the cut serving as a starting point for cleaving, and cleaving the semiconductor wafer such that cleaving starts at the cut and propagates along the insulating film thinned region. | 09-30-2010 |
20120113504 | INFRARED OPTICAL SYSTEM - An infrared optical system, which can obtain excellent image even when used under a severe condition, is easily and cheaply produced by molding. The infrared optical system, is provided with a configuration of 2 groups 2 lenses having the first lens L | 05-10-2012 |
20120155518 | WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION METHOD - [Object] To prevent or reduce the degradation in transmission characteristics caused by fast fading (fluorescent lamp interference) to achieve optimized throughput. | 06-21-2012 |
20140020006 | RECEIVING APPARATUS, INFORMATION PROCESSING METHOD, PROGRAM, TRANSMITTING APPARATUS, AND APPLICATION INTERLOCKING SYSTEM - Disclosed herein is a receiving apparatus including: an extracting part configured to extract signature data representing a feature of reproduced content from the content; a profile generating part configured to generate user profile data; a query generating part configured to generate a query containing the signature data and the user profile data, transmit the query thus generated to a transmitting apparatus, and receive a response that is sent back from the transmitting apparatus in accordance with the query and that has been caused to match with the user profile data in the transmitting apparatus; and an application executing part configured to acquire and execute an application in conjunction with reproduction of the content based on the response thus received. | 01-16-2014 |
20140149395 | INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHOD - An information processing apparatus includes: a content management block managing first content which may be viewed on a content reproduction apparatus for reproducing content; a database block generating reference data by relating, with first signature data indicative of a feature of the first content extracted therefrom, rights management information about the first signature data and a content identifier indicative of the first content from which the first signature data was extracted and put the generated reference data into a database; and an identification block identifying, in response to a query which is transmitted from the content reproduction apparatus and is including second signature data indicative of a feature of second content extracted from the second content being viewed by a user of the content reproduction apparatus, the content by referencing the reference data stored in the database block, thereby returning a response indicative of a result of the identification. | 05-29-2014 |
20140245338 | INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, INFORMATION PROVISION DEVICE, AND INFORMATION PROVISION SYSTEM - An ACR service is realized by an information provision server which has not prepared feature point information of a sub sound because only the feature point information is extracted from a main sound and an inquiry is made to the information provision server even when the sub sound is listened to in a client device. In addition, even when content that has a main sound and a plurality of pieces of audio information is distributed, it is not necessary for the information provision server to prepare feature point information of sub sounds, and the capacity of the database may not increase. | 08-28-2014 |
Patent application number | Description | Published |
20090135548 | Positive Electrode for Electric Double Layer Capacitors, and Electric Double Layer Capacitors - The present invention provides a positive electrode for electric double layer capacitors which can improve basic characteristics, such as energy density, of electric double layer capacitors and also can improve electric double layer capacitors in useful life and stability under high temperatures. Provided is a positive electrode for electric double layer capacitors comprising as electrode active materials a carbonaceous material having a ratio of rhombohedral crystal structure to hexagonal crystal structure in crystal structure of carbon within the range of not less than 20%. | 05-28-2009 |
20090294299 | SPENT FUEL REPROCESSING METHOD - A spent fuel reprocessing method has a dissolution step of dissolving the spent fuel in nitric acid solution, an electrolysis/valence adjustment step of reducing Pu to trivalent, maintaining the pentavalent of Np, a uranium extraction step of collecting UO | 12-03-2009 |
20100008695 | IMAGE FORMING APPARATUS - An image forming apparatus having a liquid-cooled cooling system prevents problems caused by a potential leakage of coolant used in the liquid-cooled cooling system. The liquid-cooled cooling system cools a heat-generating image forming portion using the coolant, which is circulated by a pump through a circulating path. The cooling system includes a heat-receiving member disposed in thermal contact with the image forming portion to absorb heat generated by the image forming portion. The heat-receiving member is connected with the circulating path via a joint. The joint is disposed within an enclosed space between the image forming portion and an electrical component drive portion for driving or controlling the image forming portion, so that the image forming portion and the electrical component drive portion can be protected from the coolant in the event of coolant leakage via the joint. | 01-14-2010 |
20120201454 | SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, IMAGING APPARATUS, AND IMAGING PROCESSING METHOD - A signal processing device includes: an enhancement countermeasure unit in which when a linear matrix gain using a linear matrix coefficient is multiplied to a pixel value of an image signal output for each channel by a pixel of an imaging device, whereby an enhancement of color occurs in an image based on the image signal, the image signal in which a portion where the enhancement of color occurs is corrected for each channel is output based on a color-difference component separated from the result of multiplication of the linear matrix coefficient to the pixel value for each channel and a luminance calculated from the result. | 08-09-2012 |
20130050514 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, PROGRAM, AND INFORMATION PROCESSING SYSTEM - There is provided an information processing apparatus including a correspondence relationship information change unit for changing a correspondence relationship information indicating each correspondence relationship between a plurality of image pickup devices and a plurality of controllers, the image pickup devices and the controllers being associated with each other, the controller being used to operate at least one of the plurality of image pickup devices, and the controller being capable of operating the image pickup device associated with the controller. | 02-28-2013 |
20140255062 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A developing device includes a developer bearer disposed facing a latent image bearer in a development range, and an alternating voltage application unit to apply alternating voltage to the developer bearer to generate an alternating electrical field in the development range to cause toner to move from the developer bearer to the latent image bearer while reciprocating therebetween. The alternating voltage has a frequency within a range from 20 kHz to 60 kHz and a peak-to-peak voltage equal to or greater than 300 V. | 09-11-2014 |
Patent application number | Description | Published |
20110147572 | ROTARY ENCODER AND ROTATION MECHANISM INCLUDING THE SAME - A rotary encoder includes two first detection units disposed at positions that are symmetrical about a rotation axis, each of the first detection units outputting an incremental signal, and second detection unit that outputs an absolute signal φ | 06-23-2011 |
20130096862 | ENCODER AND APPARATUS WITH THE SAME - The encoder includes a scale provided with a periodic pattern, a sensor relatively movable with respect to the scale and reading the periodic pattern to output analog signals each having a changing period corresponding to the periodic pattern and having mutually different phases, an A/D converter performing time-division analog-to-digital conversion on the analog signals output from the sensor to produce digital signals, and a phase detector detecting a phase from the digital signals. The encoder further includes a corrector calculating a correction value by using a relative movement speed of the scale and the sensor and the detected phase detected by the phase detector, and calculating a corrected phase from the correction value and the detected phase, and a position detector calculating a position in a direction in which the scale and the sensor are relativity moved by using the corrected phase. | 04-18-2013 |
20130099105 | ENCODER AND APPARATUS USING THE SAME - The encoder includes a scale including first and second periodic patterns, and a detector relatively movable with respect to the scale and whose detection state is switchable between a first detection state to read the first periodic pattern and output a first signal and a second detection state to read the second periodic pattern and output a second signal. A processor performs a first process to detect a first absolute position by using the first and second signals and then performs a second process to calculate a relative movement amount by using a specific signal that is one of the first and second signals and detect a second absolute position by using the relative movement amount and the first absolute position. The specific signal is obtained from the detector set in a same detection state as that set last in the first process. | 04-25-2013 |
20130126718 | OPTICAL ENCODER AND APPARATUS INCLUDING THE SAME - The optical encoder includes a scale provided with a periodic pattern in which an optical portion is periodically formed with a first period in a first direction, and a light receiver movable relatively with the scale in the first direction and photoelectrically converts a detection light from a light source and then passing through the optical portions. The optical portion periodically has a pattern, which is formed by pattern portions mutually adjacent in a second direction orthogonal to the first direction and mutually shifted in the first direction, in the second direction with a second period of t. A width w of the light source in the second direction satisfies w=(a+b)/b·nt where n represents a natural number, and a:b represents a ratio of a distance from the light source to the periodic pattern and a distance from the periodic pattern to the light receiver. | 05-23-2013 |
20130163654 | ENCODER - An encoder ( | 06-27-2013 |
20130292556 | ENCODER AND APPARATUS USING THE SAME - The encoder includes a scale having a first periodic pattern and a second periodic pattern, a sensor relatively movable with the scale. The sensor outputs in a first detection state a first periodic signal changing with a change period corresponding to the first periodic pattern and outputs in a second detection state a second periodic signal changing with a longer change period corresponding to the second periodic pattern than that of the first periodic signal. A processor calculates a position in a relative movement direction of the scale and sensor by using both the first and second periodic signals. The processor takes in the second periodic signal, the first periodic signal and the second periodic signal in this order at mutually different times, calculates phases of the second, first and second periodic signals at a specific time and calculates the position at the specific time by using the calculated phases. | 11-07-2013 |
20130292557 | ENCODER AND APPARATUS USING THE SAME - The encoder includes a scale provided with first and second tracks, a sensor relatively movable with the scale and reading periodic patterns to output periodic signals, and a processor calculating a position in a relative movement direction of the scale and sensor by using the periodic signals. The first track includes first and second periodic patterns whose periods are mutually different, and the second track includes a third periodic pattern whose period is different from that of the second pattern and is an integral multiple or an integral fraction of that of the first periodic pattern. The processor calculates, by using a phase difference between the periodic signals corresponding to the first and third periodic patterns, the position in which a sensor reading error due to a relative displacement between the first and second tracks and the sensor is corrected. | 11-07-2013 |
20140277730 | POSITION DETECTION APPARATUS, LENS APPARATUS, IMAGE PICKUP SYSTEM, AND MACHINE TOOL APPARATUS - A position detection apparatus ( | 09-18-2014 |
20150198467 | ENCODER, APPARATUS INCLUDING THE ENCODER, ENCODER CALCULATION METHOD AND STORAGE MEDIUM STORING ENCODER CALCULATION PROGRAM - The encoder includes a scale provided with multiple periodic patterns having mutually different periods, a sensor outputting, with a relative movement between the scale and the sensor, multiple periodic signals periodically changing respectively corresponding to the periods of the periodic patterns, and a signal processor calculating a detected movement amount as a detected relative movement amount between the scale and the sensor. The signal processor calculates, by using each of the periodic signals, an accumulated movement amount which is an accumulated value of the relative movement amount between the scale and the sensor in units of one over an integer of the period of the periodic pattern corresponding to the periodic signal used, unifies the units of the accumulated movement amounts calculated by using the respective periodic signals, and calculates the detected movement amount from the accumulated movement amounts with the unified units. | 07-16-2015 |