Patent application number | Description | Published |
20110110356 | WIRELESS COMMUNICATION APPARATUS, MOBILE TERMINAL AND WIRELESS COMMUNICATION METHOD - To implement wireless communication also with a communicating apparatus that is a limited band terminal capable of receiving only part of frequencies. | 05-12-2011 |
20120082254 | Wireless Communication Apparatus, Mobile Terminal and Wireless Communication Method - Wireless communication with a communicating apparatus that is a limited band terminal capable of receiving only part of frequencies. A frequency channel allocating section allocates frequency channels, a terminal reception quality information processing section calculates an optimal modulation rate and required transmit power for each subcarrier, a subcarrier power control section controls a level of transmit power for each subcarrier, and a determining section checks a reception bandwidth of a communicating apparatus, while determining whether the communicating apparatus is a full band terminal capable of receiving all the frequency channels in the system band or a limited band terminal capable of receiving only part of frequencies. When the communicating apparatus is the limited band terminal, the transmit power of all or part of subcarriers is decreased in a frequency channel that is adjacent to a reception band allocated to the communicating apparatus and that is allocated to another communicating apparatus. | 04-05-2012 |
20120113923 | Wireless Communication Apparatus, Mobile Terminal and Wireless Communication Method - Wireless communication with a communicating apparatus that is a limited band terminal capable of receiving only part of frequencies. A frequency channel allocating section allocates frequency channels, a terminal reception quality information processing section calculates an optimal modulation rate and required transmit power for each subcarrier, a subcarrier power control section controls a level of transmit power for each subcarrier, and a determining section checks a reception bandwidth of a communicating apparatus, while determining whether the communicating apparatus is a full band terminal capable of receiving all the frequency channels in the system band or a limited band terminal capable of receiving only part of frequencies. When the communicating apparatus is the limited band terminal, the transmit power of all or part of subcarriers is decreased in a frequency channel that is adjacent to a reception band allocated to the communicating apparatus and that is allocated to another communicating apparatus. | 05-10-2012 |
20120113924 | Wireless Communication Apparatus, Mobile Terminal and Wireless Communication Method - Wireless communication with a communicating apparatus that is a limited band terminal capable of receiving only part of frequencies. A frequency channel allocating section allocates frequency channels, a terminal reception quality information processing section calculates an optimal modulation rate and required transmit power for each subcarrier, a subcarrier power control section controls a level of transmit power for each subcarrier, and a determining section checks a reception bandwidth of a communicating apparatus, while determining whether the communicating apparatus is a full band terminal capable of receiving all the frequency channels in the system band or a limited band terminal capable of receiving only part of frequencies. When the communicating apparatus is the limited band terminal, the transmit power of all or part of subcarriers is decreased in a frequency channel that is adjacent to a reception band allocated to the communicating apparatus and that is allocated to another communicating apparatus. | 05-10-2012 |
Patent application number | Description | Published |
20100308513 | TEMPLATE AND PATTERN FORMING METHOD - According to one embodiment, a template for imprint lithography includes a transparent substrate having a pattern with a recess portion and a protruding portion, and a light-shielding portion formed on a bottom surface of the recess portion and on a top surface of the protruding portion. A side wall of the protruding portion is inclined. | 12-09-2010 |
20100315643 | METHOD FOR INSPECTING NANO-IMPRINT TEMPLATE - A method for inspecting a nano-imprint template, includes irradiating light onto a template for nano-imprinting from a back surface side of the template, the template having a front surface where a pattern is formed, detecting near-field light which is generated near the front surface of the template by the irradiation of the light, and performing an inspection of the template on the basis of the detected near-field light. | 12-16-2010 |
20110068081 | Pattern Forming Method - According to one embodiment, a pattern forming method is disclosed. The method includes contacting a template with light curable resin on a substrate. The template comprises a concave-convex pattern including concave portions and convex portions, and a metal layer provided on a convex portion of the concave-convex pattern. The concave-convex pattern is to be contacted with the light curable resin. The pattern forming method further includes irradiating the light curable resin with light of a predetermined wavelength under a condition ε | 03-24-2011 |
20120228804 | NEAR-FIELD EXPOSURE MASK, RESIST PATTERN FORMING METHOD, DEVICE MANUFACTURING METHOD, NEAR-FIELD EXPOSURE METHOD, PATTERN FORMING METHOD, NEAR-FIELD OPTICAL LITHOGRAPHY MEMBER, AND NEAR-FIELD NANOIMPRINT METHOD - A near-field exposure mask according to an embodiment includes: a silicon substrate; and a near-field light generating unit that is formed on the silicon substrate, the near-field light generating unit being a layer containing at least one element selected from the group consisting of Au, Al, Ag, Cu, Cr, Sb, W, Ni, In, Ge, Sn, Pb, Zn, Pd, and C, or a film stack formed with layers made of some of those materials. | 09-13-2012 |
20130080991 | PATTERN FORMING APPARATUS - According to one embodiment, a pattern forming apparatus includes a control unit. The control unit is configured to execute a test patterning to same patterns using probes under same conditions, obtain a position error and a size error by comparing a position and a size of the same patterns with a target value, select a normal probe in which the position error and the size error is in an allowable range among the probes, execute a correction process which adjusts sub patterning areas which are patterned by the normal probe among a main patterning area of a substrate, and execute a patterning of the sub patterning areas using the normal probe. | 03-28-2013 |
20130260290 | NEAR-FIELD EXPOSURE MASK AND PATTERN FORMING METHOD - A near-field exposure mask according to an embodiment includes: a substrate; a concave-convex structure having convexities and concavities and formed on one surface of the substrate; a near-field light generating film arranged at least on a tip portion of each of the convexities, the near-field light generating film being a layer containing at least one element selected from the group consisting of Au, Al, Ag, Cu, Cr, Sb, W, Ni, In, Ge, Sn, Pb, Zn, Pd, and C, or a film stack formed with layers made of some of those materials; and a resin filled in each of the concavities. | 10-03-2013 |
Patent application number | Description | Published |
20100195687 | Semiconductor laser device - A semiconductor laser device has a semiconductor laser diode structure made of group III nitride semiconductors having major growth surfaces defined by nonpolar planes or semipolar planes. The semiconductor laser diode structure includes a p-type cladding layer and an n-type cladding layer, a p-type guide layer and an n-type guide layer held between the p-type cladding layer and the n-type cladding layer, and an active layer containing In held between the p-type guide layer and the n-type guide layer. The In compositions in the p-type guide layer and the n-type guide layer are increased as approaching the active layer respectively. Each of the p-type guide layer and the n-type guide layer may have a plurality of In | 08-05-2010 |
20120189029 | SEMICONDUCTOR LASER DEVICE - A semiconductor laser device includes a semiconductor laminate structure that includes a light emitting layer that contains In, a p-type guide layer disposed at one side of the light emitting layer, an n-type guide layer disposed at another side of the light emitting layer; a p-type clad layer disposed at an opposite side of the p-type guide layer to the light emitting layer, and an n-type clad layer disposed at an opposite side of the n-type guide layer to the light emitting layer. The semiconductor laminate structure includes a rectilinear waveguide formed parallel to a projection vector of a c-axis onto the crystal growth surface, and a pair of laser resonance surfaces formed of cleavage planes perpendicular to the projection vector. | 07-26-2012 |
20120213242 | SEMICONDUCTOR LASER DEVICE - A semiconductor laser device includes a nitride semiconductor laminate structure including an n-type clad layer, an n-type guide layer formed on the n-type clad layer, a light emitting layer formed on the n-type guide layer and a p-type semiconductor layer formed on the light emitting layer. The nitride semiconductor laminate structure does not include a p-type semiconductor clad layer. The semiconductor laser device further includes an upper clad layer formed on the p-type semiconductor layer. The upper clad layer includes a first conductive film made of an indium oxide-based material and a second conductive film formed on the first conductive film and made of a zinc oxide-based material, a gallium oxide-based material or a tin oxide-based material. | 08-23-2012 |
20130016751 | SEMICONDUCTOR LASER DEVICEAANM TAKADO; ShinyaAACI KyotoAACO JPAAGP TAKADO; Shinya Kyoto JPAANM Kashiwagi; JunichiAACI KyotoAACO JPAAGP Kashiwagi; Junichi Kyoto JP - A semiconductor laser device generates blue-violet light with an emission wavelength of 400 to 410 nm. The device includes an n-type group III nitride semiconductor layer, an active layer laminated on the n-type semiconductor layer and having an InGaN quantum well layer, a p-type group III nitride semiconductor layer laminated on the active layer, and a transparent electrode contacting the p-type semiconductor layer and serving as a clad. The n-type semiconductor layer includes an n-type clad layer and an n-type guide layer disposed between the clad layer and the active layer. The guide layer includes a superlattice layer in which an InGaN layer and an Al | 01-17-2013 |
20150036709 | SEMICONDUCTOR LASER DEVICE - A semiconductor laser device generates blue-violet light with an emission wavelength of 400 to 410 nm. The device includes an n-type group III nitride semiconductor layer, an active layer laminated on the n-type semiconductor layer and having an InGaN quantum well layer, a p-type group III nitride semiconductor layer laminated on the active layer, and a transparent electrode contacting the p-type semiconductor layer and serving as a clad. The n-type semiconductor layer includes an n-type clad layer and an n-type guide layer disposed between the clad layer and the active layer. The guide layer includes a superlattice layer in which an InGaN layer and an Al | 02-05-2015 |
Patent application number | Description | Published |
20110019306 | MAGNETIC DISK APPARATUS - According to one embodiment, there is provided a magnetic disk apparatus having a magnetic disk having magnetic dot lines each including magnetic dots arrayed at equal intervals in a down track direction, and a read/write head which uses a plurality of adjacent magnetic dot lines as one track and sequentially performs read and write on the magnetic dots included in the magnetic dot lines constituting the track, in which the magnetic dots included in each of the magnetic dot lines in each track of the magnetic disk are displaced in the down track direction from the magnetic dots included in the adjacent dot line in the track depending on a possible skew angle between the read/write head and the track so that the magnetic dots are sequentially accessed by the read/write head. | 01-27-2011 |
20110085268 | MAGNETIC RECORDING MEDIUM, METHOD OF FABRICATING THE SAME, AND MAGNETIC RECORDING APPARATUS - According to one embodiment, there is provided a magnetic recording medium having a data region in which a plurality of recording tracks, each including magnetic dots arrayed in a down-track direction with a pitch p, are formed in a cross-track direction, and a servo region including a preamble in which a plurality of lines of magnetic dots, which are arrayed in a cross-track direction with a pitch p, are formed at equal intervals in the down-track direction. | 04-14-2011 |
20140004272 | MAGNETIC RECORDING MEDIUM MANUFACTURING METHOD | 01-02-2014 |
20140118857 | INFORMATION WRITE APPARATUS AND INFORMATION WRITE METHOD - According to one embodiment, an information write apparatus writes a track on a magnetic disk by a shingled write recording method. The information write apparatus calculates a write target position of the track based on a pitch. The information write apparatus calculates a positioning error. The information write apparatus stores the calculated positioning error. The information write apparatus integrates positioning errors of tracks written before the predetermined track is written, and corrects a write target position based on the integrated positioning error. The information write apparatus controls the position of the write head based on the corrected write target position. | 05-01-2014 |
20150046764 | RECORDING AND REPRODUCING APPARATUS - According to one embodiment, a recording and reproducing apparatus includes a first masking unit configured to apply first bit masking to error correction code (ECC) encoded data using a bit sequence for masking, to generate a masked bit sequence to be recorded on a medium, and a de-masking unit configured to apply de-masking, using the bit sequence for masking, to a sequence of decision values based on a signal read from the medium to generate a sequence of de-masked decision values to be ECC decoded. The bit sequence for masking comprises an iteration of a fixed bit sequence of N (>1) bits. The bit de-masking is an inverse process corresponding to the first bit masking. | 02-12-2015 |
Patent application number | Description | Published |
20090135519 | Magnetic recording medium, method and apparatus for manufacturing magnetic recording apparatus - A magnetic recording medium includes a disk substrate, and recording cells arrayed on the disk substrate in a track direction, the recording cells includes a ferromagnetic pattern and a magnetic pattern formed on one of two sidewalls of the ferromagnetic pattern in the track direction and having a lower crystalline magnetic anisotropy constant Ku than that of the ferromagnetic pattern. | 05-28-2009 |
20100271726 | MAGNETIC RECORDING APPARATUS, MAGNETIC RECORDING MEDIUM, AND METHOD OF TESTING MAGNETIC RECORDING APPARATUS - According to one embodiment, a magnetic recording apparatus includes a magnetic recording medium including magnetically recordable recording tracks with a width L | 10-28-2010 |
20110149437 | METHOD AND APPARATUS FOR READ AND WRITE DATA IN A DISK DRIVE WITH DISCRETE TRACK DISK - According to one embodiment, a disk drive includes a disk and a data read/write module. The disk has a disk substrate, tracks and non-recording areas. The tracks and the non-recording areas are formed on the disk substrate and arranged in the radial direction of the disk. The tracks are magnetic layers and have a recording area each. The non-recording areas are made of non-magnetic layers and arranged between the tracks. Thus, valid recording area and invalid recording areas are provided in each track, at a predetermined ratio. The data read/write module is configured to write data in or read data from the valid recording areas, but not in or from the invalid recording areas. | 06-23-2011 |
20110255189 | METHOD OF DETECTING TOUCHDOWN OF MAGNETIC HEAD USING TIMESTAMPS, AND MAGNETIC DISK DRIVE TO WHICH THE METHOD IS APPLIED - According to one embodiment, a method of detecting contact of a magnetic head with a magnetic disk by changing the dynamic flying height of the magnetic head in a magnetic disk drive is disclosed. The method can detect a change in the rotational speed of the magnetic disk. The method can detect the contact of the magnetic head with the magnetic disk based on the detected change in the rotational speed. | 10-20-2011 |
20120002316 | MAGNETIC RECORDING APPARATUS AND METHOD OF TESTING MAGNETIC RECORDING APPARATUS - According to one embodiment, there is provided a magnetic recording apparatus including a head slider including read and write elements, and a magnetic recording medium including magnetically recordable recording tracks with a width L | 01-05-2012 |
20120063028 | MAGNETIC RECORDING APPARATUS - According to one embodiment, there is provided a magnetic recording apparatus including a bit-patterned medium having a data area including magnetic dot rows each of which includes magnetic dots, a magnetic head having a width covering a plurality of magnetic dot rows, and an actuator configured to actuate the magnetic head in a cross-track direction. The magnetic dots included in a n-th magnetic dot row have a higher coercivity than the magnetic dots included in a (n+1)-th magnetic dot row. | 03-15-2012 |
20130182348 | MAGNETIC DISK DRIVE AND DATA BUFFERING METHOD APPLIED TO THE SAME - According to one embodiment, there is provided a method of temporarily storing data in a buffer. The method determines whether data written based on sequential writing is of a first type or a second type in data type. The method stores the written data in association with the determined data type in the buffer. The method further controls the buffer so that the data of the first type stored in the buffer may be held in the buffer for a length of time twice as long as time T | 07-18-2013 |
20130188276 | DISK DRIVE AND METHOD FOR ARRANGING AND MANAGING CALIBRATION AREA IN DISK DRIVE - According to one embodiment, there is provided a disk drive. In the disk drive, a calibration module calibrates a write condition using a first area in a sequential access area on a disk to which data is to be written next time as a calibration area if the calibration is required. A manager enters the calibration area in a management table in association with a physical address of the first area used as the calibration area. A sequential write module continues a sequential writing from a second area following the first area based on skipping the first area. | 07-25-2013 |
20130215528 | INFORMATION REPRODUCING APPARATUS AND INFORMATION REPRODUCING METHOD - According to one embodiment, an information reproducing apparatus is configured to obtain, from a read sample value sequence obtained by sampling a read signal read from a first recording track of a magnetic recording medium, an interference-component-removed read sample value sequence, from which an interference component from a second recording track adjacent to the first recording track is removed. The apparatus includes a decoding module. The decoding module is configured to generate a first interference-component-removed read sample value sequence based on a cancellation weight column which varies according to a difference in polarity between a first bit of the first recording track and a second bit of the second recording track adjacent to the first bit. | 08-22-2013 |
20140153135 | MAGNETIC RECORDING APPARATUS HAVING VARIABLE-WIDTH TRACKS AND METHOD OF TESTING SAME - According to one embodiment, there is provided a magnetic recording apparatus including a head slider including read and write elements, and a magnetic recording medium including magnetically recordable recording tracks with a width L1, a wide land track with a width L2 larger than the width L1 of the recording track, and non-recording sections with a width G1 each provided between adjacent recording tracks. The width L1 of the recording track is smaller than a bottom read width BRW of the read and write elements, and the width L2 of the wide land track is larger than the bottom read width BRW of the read and write elements. | 06-05-2014 |
Patent application number | Description | Published |
20090214154 | FIBER OPTIC DISTRIBUTED SENSOR APPARATUS - A distributed fiber optic sensor device that employs a photonic band gap fiber as a sensing medium, in which: the photonic band gap fiber, which is the sensing medium, includes: a quartz section; and a plurality of high refractive index portions provided in the quartz section along the longitudinal direction of the fiber, the high refractive index portions being photonic band gaps periodically arranged to form a triangular-lattice pattern; the photonic band gap fiber has a bandwidth in which a wavelength band of a Stokes beam generated due to stimulated Raman scattering is included; and the photonic band gap fiber has a band gap width in which a wavelength band of an anti-Stokes beam generated due to the stimulated Raman scattering and a wavelength band of an optical signal incident into the photonic band gap fiber are included. | 08-27-2009 |
20110149383 | AMPLIFICATION OPTICAL FIBER, AND OPTICAL FIBER AMPLIFIER AND RESONATOR USING THE SAME - There are provided an amplification optical fiber, and an optical fiber amplifier and a resonator using the same capable of outputting light of high beam quality even when a higher-order mode that is axially symmetric is excited in addition to LP01 mode. | 06-23-2011 |
20120105947 | AMPLIFICATION OPTICAL FIBER AND OPTICAL FIBER AMPLIFIER AND RESONATOR USING THE SAME - The invention provides an amplification optical fiber, which can output light with a good beam quality even when a higher-order mode is excited, and an optical fiber amplifier using the amplification optical fiber. | 05-03-2012 |
20130209046 | SOLD PHOTONIC BAND GAP FIBER, FIBER MODULE USING SOLD PHOTONIC BAND GAP FIBER, FIBER AMPLIFIER, AND FIBER LASER - A solid photonic band gap fiber includes: a core area located at a central portion of a cross-section with respect to a longitudinal direction of the fiber, the core area being formed of a solid substance having a low refractive index; cladding areas having base portions formed of a solid substance having a low refractive index, the cladding areas surrounding the core area; and a plurality of fine high refractive index scatterers provided in the cladding areas, and disposed in a dispersed manner so as to surround the core area, the number of fine high refractive index scatterers being formed of a solid substance having a high refractive index, wherein in a state that the solid photonic band gap fiber is held at a predetermined bending radius, propagation in a high-order mode is suppressed by using a difference in a bending loss between a fundamental mode and the high-order mode, and only the fundamental mode is substantially propagated, the fundamental mode and the high-order mode being caused by bending. | 08-15-2013 |
20140029084 | AMPLIFICATION OPTICAL FIBER, AND OPTICAL FIBER AMPLIFIER AND RESONATOR USING SAME - An amplification optical fiber includes a core and a clad which covers the core. The core propagates light having a predetermined wavelength in at least an LP01 mode, an LP02 mode, and LP03 mode and, in the core, when the LP01 mode, the LP02 mode, and the LP03 mode are standardized by a power, in at least a part of a region where an intensity of at least one of the LP02 mode and the LP03 mode is stronger than an intensity of the LP01 mode, an active element which stimulates and emits light having a predetermined wavelength is added with a higher concentration than that in at least a part of a region where the intensity of the LP01 mode is stronger than the intensities of the LP02 mode and the LP03 mode. | 01-30-2014 |
20140178021 | BRIDGE FIBER, COMBINER, AND FIBER LASER DEVICE - A bridge fiber includes a core layer | 06-26-2014 |
Patent application number | Description | Published |
20090052164 | DIRECTIONAL BACKLIGHT, DISPLAY APPARATUS, AND STEREOSCOPIC DISPLAY APPARATUS - A stereoscopic display apparatus includes a liquid-crystal display device that has display pixels arranged in a matrix and displays an elemental image array formed from a plurality of field images on the display pixels to render stereoscopic display, a parallax creating unit provided on the front surface or the rear surface of the liquid-crystal display device, and a directional backlight that emits light through the liquid-crystal display device then through the parallax creating unit and switches directions of the thus-emitted light among a plurality of directions according to a display of the field image is disclosed. | 02-26-2009 |
20090244682 | STEREOSCOPIC-IMAGE DISPLAY APPARATUS - Mediums that are arranged opposite to an elemental-image display unit, that form two lens arrays having different principal planes together with substrates, and that switches a polarization direction of incident light corresponding to applied voltage, thereby making lens effect of either one of the lens arrays effective are included. By controlling the polarization direction synchronizing with a display timing of images to be displayed on the elemental-image display unit, the lens array to be effective is switched at each display timing, and images having different near or far direction are alternately displayed on the elemental-image display unit. | 10-01-2009 |
20110211142 | Directional backlight, display apparatus, and stereoscopic display apparatus - A stereoscopic display apparatus includes a liquid-crystal display device that has display pixels arranged in a matrix and displays an elemental image array formed from a plurality of field images on the display pixels to render stereoscopic display, a parallax creating unit provided on the front surface or the rear surface of the liquid-crystal display device, and a directional backlight that emits light through the liquid-crystal display device then through the parallax creating unit and switches directions of the thus-emitted light among a plurality of directions according to a display of the field image is disclosed. | 09-01-2011 |
20120224389 | BACKLIGHT DEVICE AND DISPLAY APPARATUS - According to one embodiment, a backlight device includes a light source, a light guide plate, a light beam controller, and a directivity control element. The light guide plate is formed with plural diffusion portions that diffuse light from the light source. The light beam controller is configured to emit plural linear light beams. The directivity control element has plural optical openings. The optical openings extend in a second direction and are arranged in a first direction perpendicular to the second direction. The light beam controller emits the linear light beams that extend in a third direction tilted with respect to the second direction. The light guide plate has a first region in which the diffusion portions are formed in the third direction and a second region in which no diffusion portions are formed, the first region and the second region being arranged alternately in the first direction. | 09-06-2012 |
20130222742 | OPTICAL DEVICE AND IMAGE DISPLAY DEVICE - In an embodiment, an optical device includes a first substrate; a second substrate; a liquid crystal layer; a plurality of first electrodes; a second electrode; and a light shielding portion. The liquid crystal layer provided between the first substrate and the second substrate. The plurality of first electrodes is provided on the first substrate and arranged in a first direction, extending in a second direction. The second electrode is provided on the second substrate. The light shielding portion is configured to be provided at a position between the first substrate and the second substrate to overlap with the first electrodes when viewed from the third direction. The light shielding portion covers a less space than the first electrodes. | 08-29-2013 |
20130286342 | LIQUID CRYSTAL OPTICAL ELEMENT AND IMAGE DISPLAY DEVICE - According to one embodiment, liquid crystal optical element includes: first board; second board; liquid crystal layer; first electrodes; second electrodes; third electrodes; and fourth electrode. The liquid crystal optical element generates refractive index distribution functioning as a lens. The first electrodes are at positions corresponding to end portions of the lens and on the liquid crystal layer side of the first board. The second electrodes are at positions corresponding to discontinuity points of the lens and on the liquid crystal layer side of the first board. The third electrodes are at positions corresponding to lens surfaces of the lens and on the liquid crystal layer side of the first board. The fourth electrode is provided to the whole surface on the liquid crystal layer side of the second board and includes first cutout portions formed at parts opposing the third electrodes. | 10-31-2013 |
Patent application number | Description | Published |
20090079818 | STEREOSCOPIC IMAGE DISPLAY APPARATUS AND STEREOSCOPIC IMAGE DISPLAY METHOD - It is made possible to provide a stereoscopic image display apparatus capable of preventing a luminance difference from being caused between left and right eyes irrespective of the observation position even if the viewing zone is wide and the number of parallaxes is large. A stereoscopic image display apparatus includes: a display unit including pixels arranged in a matrix form in a longitudinal direction and a lateral direction; an optical plate installed so as to be opposed to the display unit and having linear optical openings prolonged in a longitudinal direction and arranged in a lateral direction; and a luminance compensation processing unit which, for each of elemental images associated with the optical openings, sets a brightness of an image displayed on a pixel located in a center of the elemental image smaller than a brightness of an image displayed on a pixel located in each of boundaries of the elemental image. | 03-26-2009 |
20090244270 | STEREOSCOPIC IMAGE DISPLAY APPARATUS - A stereoscopic image display apparatus includes: a plane display device; a lens array provided in front of the display surface to distribute light rays from pixels of the display device to predetermined angles, and having a plurality of lenses arranged in a first direction; a variable polarizer provided between the plane display device and the lens array to polarize light rays from the pixels; and a double refraction prism array provided on an opposite side of the lens array from the display device, and including a plurality of double refraction prisms. Each of the double refraction prisms has a ridge in a second direction perpendicular to the first direction and arranged in the first direction with a pitch which is substantially twice a lens pitch in the lens array, and has double refraction in which a refractive index in a ridge direction is different from a refractive index in a direction perpendicular to the ridge direction. | 10-01-2009 |
20110187948 | STEREOSCOPIC IMAGE DISPLAY APPARATUS - Certain embodiments provide a display device a plurality of subpixels arranged in a first direction and a second direction perpendicular to the first direction to form a matrix, and each having an aperture provided with a color component; and an optical controller provided to be opposed to the display device having a plurality of rectilinear optical apertures extending in the second direction are arranged in the first direction. A shape pf the aperture in the subpixel is depending upon a condition that the apertures in the subpixels adjacent to each other in the first direction have a nonoverlapping region which is a nonoverlapping region in the second direction and a condition that an aperture ratio indicating a ratio of the aperture to the subpixel in length in the second direction is substantially constant in one line in the second direction irrespective of a position in the first direction. | 08-04-2011 |
20120069255 | STEREOSCOPIC IMAGE DISPLAY APPARATUS - A stereoscopic image display apparatus is structured such that strip-shaped electrodes opposing a planar electrode and having end electrodes and a center electrode are disposed at intervals in a pitch direction of the liquid crystal lens array, such that a potential difference between the planar electrode and the center electrode is set smaller than a rising voltage Vth of the liquid crystal layer and a third voltage V3 larger in absolute value than a first voltage V1 applied to the planar electrode and a second voltage V2 applied to the center electrode and also larger than the rising voltage is applied to the end electrodes, and such that the relation 0.07503-22-2012 | |
20120113358 | DISPLAY APPARATUS AND BACK LIGHT APPARATUS - A back light apparatus according to an embodiment includes: an optical aperture part comprising a plurality of optical apertures arranged in parallel to each other; a light source unit comprising a plurality of line sources, the light source unit configured to generate line-shaped light rays associated with the optical apertures respectively; and a diffusion state switching unit configured to be capable of switching a diffusion state of light illuminated from the light source unit. | 05-10-2012 |
20120113682 | SURFACE LIGHTING APPARATUS - According to one embodiment, a surface lighting apparatus includes surface light source units stacked, and a control unit. Each surface light source unit includes a light guide plate and light-emitting units. The light guide plate includes a light incident surface for introducing light emitted by the light-emitting units, and a light-outputting region configured to output light through a front surface. The front surface is provided with a light transmission control part to prevent light from diffusing in a direction of arranging the light-emitting units. The light-emitting units are linearly arranged opposite to the light incident surface. The control unit controls a light intensity for each of the light-emitting units. A light guide plate of each surface light source unit other than a lowermost surface light source unit further includes a window region configured to transmit light output from one or more lower surface light source units. | 05-10-2012 |
20120200562 | STEREOSCOPIC IMAGE DISPLAY APPARATUS - A stereoscopic image display apparatus according an embodiment includes: an elemental image display unit having a display face in which pixels having sub-pixels are arranged in a matrix form, the display face being divided into a plurality of elemental images for display; and an optical plate provided on a viewer side of the elemental image display unit, the optical plate having a plurality of lenses arranged periodically with respect to the display face to be respectively associated with the plurality of elemental images, each of the lenses controlling light rays from the pixels which display an associated elemental image. In each lens, the sub-pixels which display an elemental image associated with the lens differing in isolation degree between adjacent sub-pixels depending upon whether a location is in a central portion of the lens or in a peripheral portion of the lens. | 08-09-2012 |
20120327132 | IMAGE DISPLAY APPARATUS AND METHOD - According to one embodiment, an image display apparatus includes a light-emitting source, a light modulation unit, a first control unit and a display. The light-emitting source emits a light beam. The light modulation unit is configured to modulate the light beam to generate data beams related to image data item displayed in a unit pixel region, and the unit pixel region includes at least one column of pixels defined by dividing all pixel region. The first control unit is configured to control beam paths of the data beams to guide the data beams to the unit pixel region. The display displays a parallax image by emitting the corresponding data beams from unit pixel regions of the all pixel region. | 12-27-2012 |
20130229336 | STEREOSCOPIC IMAGE DISPLAY DEVICE, STEREOSCOPIC IMAGE DISPLAY METHOD, AND CONTROL DEVICE - According to one embodiment, a stereoscopic image display device includes a display element in which a plurality of pixels are arranged in a matrix topology, an optical element coupled to the display element, the optical element having variable optical characteristics. The device also includes an acquirer, calculator, and controller. The acquirer is configured to acquire person's information including a position of each of at least one person viewing a stereoscopic image. The calculator is configured to calculate, based on the person's information, a weight representing a quality of stereoscopic viewing for each person. The controller is configured to select optical characteristic parameters corresponding to the weight, and control the optical characteristics of the optical element based on the optical characteristic parameters. | 09-05-2013 |
20130258446 | IMAGE DISPLAY APPARATUS - According to one embodiment, an image display apparatus includes a light source, a modulation unit, a first array and a second array. The modulation unit modulates intensity and a color of the light to generate beams corresponding to each of modulated pixels included in a modulated pixel group. The first array is formed by juxtaposing a plurality of first deflection elements each having a generating line parallel to a vertical direction of the modulated pixels. The second array is formed by juxtaposing a plurality of second deflection elements each having a generating line tilted by an angle represented by tan | 10-03-2013 |
20140118647 | LIQUID CRYSTAL LENS DEVICE AND METHOD OF DRIVING THE SAME - A liquid crystal lens device according to an embodiment includes: a first substrate; a pair of first electrodes on a first surface of the first substrate, extending in a first direction, and arranged in a second direction perpendicular to the first direction; a pair of second electrodes between the pair of first electrodes on the first surface, extending in the first direction, and arranged in the second direction; third electrodes each between one of the first electrodes and one of the second electrodes on the first surface, extending in the first direction, and arranged in the second direction; a second substrate including a second surface facing the first surface; a counter electrode on the second surface of the second substrate; and a liquid crystal layer between the first substrate and the second substrate. | 05-01-2014 |
20140139766 | LIQUID CRYSTAL OPTICAL ELEMENT AND IMAGE DISPLAY DEVICE - According to one embodiment, a liquid crystal optical element includes: a pair of first and second substrates; a liquid crystal layer provided between the first and second substrates; first electrodes provided on the first substrate on the liquid crystal layer side and arranged along a first direction; second electrodes provided on the second substrate on the liquid crystal layer side and arranged along a second direction; and a driving unit configured to apply a voltage between the first electrodes and the second electrodes. The first electrodes are divided into electrode regions arranged along a third direction. The first electrodes included in each of the electrode regions are electrically connected to an extension line. | 05-22-2014 |
20140192169 | STEREOSCOPIC IMAGE DISPLAY DEVICE, CONTROL DEVICE, AND DISPLAY PROCESSING METHOD - According to an embodiment, a stereoscopic image display device includes a display, an optical element, a detector, a calculator, a deriver, and an applier. The display has a display surface including pixels arranged thereon. The optical element has a refractive-index distribution that changes according to an applied voltage. The detector detects a viewpoint position representing a position of a viewer. The calculator calculates a gravity point of the viewpoint positions when a plurality of viewpoint positions are detected. The deriver derives a drive mode according to the gravity point, where the drive mode is indicative of a voltage to be applied to the optical element. The applier applies a voltage to the optical element according to the drive mode such that a visible area within which a display object displayed on the display is stereoscopically viewable is set at the gravity position. | 07-10-2014 |
20140192284 | Gradient Index Liquid Crystal Optical Device and Image Display Device - According to one embodiment, an optical device includes a first substrate, a second substrate arranged to face the first substrate, a liquid crystal layer, first electrodes, second electrodes, a third electrode, and fourth electrodes. The first electrodes are provided on the first substrate on a side of the liquid crystal layer and extends in a first direction. The second electrodes are arranged between the first electrodes and extend in the first direction. The third electrode is provided on the second substrate on the side of the liquid crystal layer and extends in a third direction. The fourth electrodes are arranged between the first and second electrodes and extend in the first direction. The second electrodes adjacent in a second direction are electrically connected, and the fourth electrodes adjacent in the second direction are electrically connected. | 07-10-2014 |
20140233101 | IMAGE DISPLAY DEVICE - According to an embodiment, an image display device includes an optical element, a voltage controller, and a display. Regarding the optical element, the refractive-index distribution changes according to the voltage applied thereto. The voltage controller controls, in a first mode, the voltage applied to the optical element in such a way that a first-type refractive-index distribution is achieved which acts as a first-type Fresnel lens; and controls, in a second mode that is different than the first mode, the voltage applied to the optical element in such a way that a second-type refractive-index distribution is achieved which acts as a second-type Fresnel lens having a greater number of steps than the first-type Fresnel lens. The display is disposed on the back side of the optical element and displays images. | 08-21-2014 |
20140285741 | Liquid Crystal Lens Device, Image Display Apparatus, Drive Device, and Drive Method - According to an embodiment, a liquid crystal lens device includes an optical element and a voltage controller. The optical element includes: a refractive index modulation layer of which a refractive index distribution changes according to a voltage applied thereto; and electrodes to apply a voltage to the refractive index modulation layer. In a first voltage state, the voltage controller controls voltages applied to the electrodes such that a first refractive index distribution is arranged periodically in the optical element. In a second voltage state, the voltage controller controls voltages applied to the electrodes such that a second refractive index distribution is achieved. In an intermediate voltage state, the voltage controller controls a voltage applied to a first-type electrode, to which a first voltage that is the maximum value among the voltages applied to the electrodes in the first voltage state is applied, to a second voltage lower than the first voltage. | 09-25-2014 |
Patent application number | Description | Published |
20100033106 | HIGH-PRESSURE DISCHARGE LAMP, HIGH-PRESSURE DISCHARGE LAMP LIGHTING SYSTEM AND LIGHTING EQUIPMENT - Disclosed is a high-pressure discharge lamp includes a translucent ceramics sealed container provided with an enclosed part with a discharge space formed therein, a pair of electrodes disposed inside of both end parts of the translucent sealed container, an ionization medium having a structure containing a metal halide that primarily emits light, a starting gas and substantially no mercury, the metal halide that primarily emits light including 30% by mass or more of a halide of at least one lanthanoid type rare earth metal and the starting gas having a pressure P (atm) satisfying the equation, 1≦P≦20, the ionization medium being sealed in the translucent ceramics sealed container, wherein the ratio D/G satisfies the equation, 0.3≦D/G≦2.4 when the maximum inside diameter of the translucent ceramics sealed container is D and the inter-electrode distance is G. | 02-11-2010 |
20130249407 | Light Emitting Module and Lighting System - A first LED group including a plurality of LEDs is regularly arranged in a toric shape on the circumference of a center of an approximately rectangular substrate which is formed of ceramics. In addition, the first LED group including the plurality of LEDs is entirely covered in a toric shape with a sealing member. In addition, a second LED group including a plurality of LEDs is regularly arranged in a grid shape in the vicinity of the center of the approximately rectangular substrate. In addition, the LED group including the plurality of LEDs is entirely covered with a sealing member. In addition, the sealing member entirely covers the inside of the toric portion of a first region. | 09-26-2013 |
20130249411 | Light Emitting Module and Lighting System - A light emitting module includes a toric sealing unit which seals blue LEDs arranged in a toric shape on a substrate from above, and a sealing unit which seals red LEDs arranged in the vicinity of a center of the toric shape of the blue LEDs. The sealing unit is formed to fill the inside of the toric shape of the toric sealing unit. The sealing unit has a refractive index of light higher than that of the toric sealing unit. The light which are emitted from the blue LEDs and the red LEDs, are refracted on the interface between the sealing unit and sealed gas, and proceed to the direction of the sealed gas, thereby being composed appropriately. | 09-26-2013 |
Patent application number | Description | Published |
20080275181 | Block Copolymerized Polyimide Ink Composition for Printing - The object is to provide a polyimide ink composition having good printing properties and good continuous printing properties, which composition can be dried at a low temperature of not higher than 220° C., and which composition gives a coating film, after being dried, having excellent dimensional stability, heat resistance, low modulus of elasticity, flexibility, resistance to warping, chemical resistance, adhesiveness with substrates, and plating resistance. This object is accomplished by a polyimide ink composition for printing, comprising a mixed solvent containing an benzoic acid ester solvent and a glyme solvent, and a polyimide soluble in the mixed solvent; wherein the polyimide is obtained by polycondensing a polyimide oligomer with a tetracarboxylic dianhydride component(s) and/or a diamine component(s) having no siloxane bond in molecular skeleton thereof the polyimide oligomer being prepared by polycondensing a tetracarboxylic dianhydride component(s) and a diamine component(s) having siloxane bonds in molecular skeleton thereof in the presence of a base catalyst(s), or a mixed catalyst including a lactone(s) and/or an acidic compound(s) and a base(s); the content of the diamine component(s) having siloxane bonds based on the total diamine components being 15 to 85% by weight. | 11-06-2008 |
20090229870 | BLOCK COPOLYMERIZED POLYIMIDE INK COMPOSITION FOR PRINTING - The object is to provide a polyimide ink composition having good printing properties and good continuous printing properties, which composition can be dried at a low temperature of not higher than 220° C., and which composition gives a coating film, after being dried, having excellent dimensional stability, heat resistance, low modulus of elasticity, flexibility, resistance to warping, chemical resistance, adhesiveness with substrates, and plating resistance. This object is accomplished by a polyimide ink composition for printing, comprising a mixed solvent containing an benzoic acid ester solvent and a glyme solvent, and a polyimide soluble in the mixed solvent; wherein the polyimide is obtained by polycondensing a polyimide oligomer with a tetracarboxylic dianhydride component(s) and/or a diamine component(s) having no siloxane bond in molecular skeleton thereof, the polyimide oligomer being prepared by polycondensing a tetracarboxylic dianhydride component(s) and a diamine component(s) having siloxane bonds in molecular skeleton thereof in the presence of a base catalyst(s), or a mixed catalyst including a lactone(s) and/or an acidic compound(s) and a base(s); the content of the diamine component(s) having siloxane bonds based on the total diamine components being 15 to 85% by weight. | 09-17-2009 |
Patent application number | Description | Published |
20080292287 | HIGH-RESOLUTION OPTICAL DISK FOR RECORDING STEREOSCOPIC VIDEO, OPTICAL DISK REPRODUCING DEVICE, AND OPTICAL DISK RECORDING DEVICE - An optical disk for recording stereoscopic videos and high-quality video signals and a system for reproducing the videos and signals from the optical disk are made compatible with the conventional video reproducing system. A reproducing device which is used for reproducing stereoscopic videos and high-quality videos obtains stereoscopic video or high-quality videos by reproducing both first and second interleaved blocks on the optical disk in which first and second video signals are alternately recorded on the left and right sides by dividing the first and second video signals into frame groups of one GOP or more and a reproducing device which is not used for reproducing the stereoscopic videos and high-quality videos obtains ordinary videos by only reproducing either the first or second interleaved block by jumping tracks. | 11-27-2008 |
20100150529 | PLAYBACK DEVICE, PLAYBACK METHOD, PLAYBACK PROGRAM, AND INTEGRATED CIRCUIT - The reading unit reads an application program, image data, a video stream, and an application management file from a recording medium. The virtual machine unit executes the application program. The memory unit includes an image data area for storing the image data. The playback unit plays back video data with use of the image data and the video stream in accordance with the application program. The management unit, in accordance with the application management file, instructs the virtual machine unit to start and terminate the application program and instructs the memory unit to change the image data area. Before instructing the memory unit to change the image data area, the management unit causes the virtual machine unit to forcibly terminate the application program even when the application management file specifies the continuous execution of the application program. | 06-17-2010 |
20110038614 | OPTICAL DISC FOR REPRODUCING STEREOSCOPIC VIDEO IMAGE - [Problem] To provide an optical disc whose monoscopic and stereoscopic video images recorded thereon can be respectively played back on a playback device incapable of 3D display and on a 3D-capable playback device. | 02-17-2011 |
20110080468 | HIGH-RESOLUTION OPTICAL DISK FOR RECORDING STEREOSCOPIC VIDEO, OPTICAL DISK REPRODUCING DEVICE, AND OPTICAL DISK RECORDING DEVICE - An optical disk for recording stereoscopic videos and high-quality video signals and a system for reproducing the videos and signals from the optical disk are made compatible with the conventional video reproducing system. A reproducing device which is used for reproducing stereoscopic videos and high-quality videos obtains stereoscopic video or high-quality videos by reproducing both first and second interleaved blocks on the optical disk in which first and second video signals are alternately recorded on the left and right sides by dividing the first and second video signals into frame groups of one GOP or more and a reproducing device which is not used for reproducing the stereoscopic videos and high-quality videos obtains ordinary videos by only reproducing either the first or second interleaved block by jumping tracks. | 04-07-2011 |
20110181695 | HIGH-RESOLUTION OPTICAL DISK FOR RECORDING STEREOSCOPIC VIDEO, OPTICAL DISK REPRODUCING DEVICE, AND OPTICAL DISK RECORDING DEVICE - An optical disk for recording stereoscopic videos and high-quality video signals and a system for reproducing the videos and signals from the optical disk are made compatible with the conventional video reproducing system. A reproducing device which is used for reproducing stereoscopic videos and high-quality videos obtains stereoscopic video or high-quality videos by reproducing both first and second interleaved blocks on the optical disk in which first and second video signals are alternately recorded on the left and right sides by dividing the first and second video signals into frame groups of one GOP or more and a reproducing device which is not used for reproducing the stereoscopic videos and high-quality videos obtains ordinary videos by only reproducing either the first or second interleaved block by jumping tracks. | 07-28-2011 |
20110181696 | HIGH-RESOLUTION OPTICAL DISK FOR RECORDING STEREOSCOPIC VIDEO, OPTICAL DISK REPRODUCING DEVICE, AND OPTICAL DISK RECORDING DEVICE - An optical disk for recording stereoscopic videos and high-quality video signals and a system for reproducing the videos and signals from the optical disk are made compatible with the conventional video reproducing system. A reproducing device which is used for reproducing stereoscopic videos and high-quality videos obtains stereoscopic video or high-quality videos by reproducing both first and second interleaved blocks on the optical disk in which first and second video signals are alternately recorded on the left and right sides by dividing the first and second video signals into frame groups of one GOP or more and a reproducing device which is not used for reproducing the stereoscopic videos and high-quality videos obtains ordinary videos by only reproducing either the first or second interleaved block by jumping tracks. | 07-28-2011 |
20110222605 | IMAGE CODING APPARATUS, IMAGE DECODING APPARATUS, IMAGE CODING METHOD, AND IMAGE DECODING METHOD - An image coding apparatus using an encoder which places restrictions on the bit depth to codes a current image to be coded having a bit depth greater than a predetermined bit depth, and includes: a down-converter ( | 09-15-2011 |
20110234751 | HIGH-RESOLUTION OPTICAL DISK FOR RECORDING STEREOSCOPIC VIDEO, OPTICAL DISK REPRODUCING DEVICE, AND OPTICAL DISK RECORDING DEVICE - An optical disk for recording stereoscopic videos and high-quality video signals and a system for reproducing the videos and signals from the optical disk are made compatible with the conventional video reproducing system. A reproducing device which is used for reproducing stereoscopic videos and high-quality videos obtains stereoscopic video or high-quality videos by reproducing both first and second interleaved blocks on the optical disk in which first and second video signals are alternately recorded on the left and right sides by dividing the first and second video signals into frame groups of one GOP or more and a reproducing device which is not used for reproducing the stereoscopic videos and high-quality videos obtains ordinary videos by only reproducing either the first or second interleaved block by jumping tracks. | 09-29-2011 |
20110234752 | HIGH-RESOLUTION OPTICAL DISK FOR RECORDING STEREOSCOPIC VIDEO, OPTICAL DISK REPRODUCING DEVICE, AND OPTICAL DISK RECORDING DEVICE - An optical disk for recording stereoscopic videos and high-quality video signals and a system for reproducing the videos and signals from the optical disk are made compatible with the conventional video reproducing system. A reproducing device which is used for reproducing stereoscopic videos and high-quality videos obtains stereoscopic video or high-quality videos by reproducing both first and second interleaved blocks on the optical disk in which first and second video signals are alternately recorded on the left and right sides by dividing the first and second video signals into frame groups of one GOP or more and a reproducing device which is not used for reproducing the stereoscopic videos and high-quality videos obtains ordinary videos by only reproducing either the first or second interleaved block by jumping tracks. | 09-29-2011 |
20110236001 | HIGH-RESOLUTION OPTICAL DISK FOR RECORDING STEREOSCOPIC VIDEO, OPTICAL DISK REPRODUCING DEVICE, AND OPTICAL DISK RECORDING DEVICE - An optical disk for recording stereoscopic videos and high-quality video signals and a system for reproducing the videos and signals from the optical disk are made compatible with the conventional video reproducing system. A reproducing device which is used for reproducing stereoscopic videos and high-quality videos obtains stereoscopic video or high-quality videos by reproducing both first and second interleaved blocks on the optical disk in which first and second video signals are alternately recorded on the left and right sides by dividing the first and second video signals into frame groups of one GOP or more and a reproducing device which is not used for reproducing the stereoscopic videos and high-quality videos obtains ordinary videos by only reproducing either the first or second interleaved block by jumping tracks. | 09-29-2011 |
20120314965 | IMAGE ENCODING APPARATUS, IMAGE DECODING APPARATUS, IMAGE ENCODING METHOD, AND IMAGE DECODING METHOD - An image coding apparatus to reduce data involved in coding a picture having a bit-depth higher than a bit-depth supported by an encoder, includes a down-converter which generates a base layer picture by down-converting a target picture to reduce the bit-depth of the target picture by a first value, a first encoder codes the base layer picture to generate a reconstructed picture by decoding the coded base layer picture, a subtractor performs shift amount adjustment on the reconstructed picture to increase the bit-depth of the reconstructed picture by a second value, and generates, based on the reconstructed picture on which the adjustment has been performed and the target picture, an enhancement layer picture for enhancing the quality of the base layer picture, a second encoder codes the enhancement layer picture; and an output unit outputs the coded base layer picture and the coded enhancement layer picture. | 12-13-2012 |
20130176489 | PRODUCTION APPARATUS AND CONTENT DISTRIBUTION SYSTEM - Provided is a production apparatus that can produce a distribution content that offers an even richer color tone expression during playback of video. The production apparatus for producing a distribution content including distribution video data is constituted by an original acquisition unit that acquires original video data; a distribution video acquisition unit that acquires the distribution video data, the distribution video data having been generated by conversion of the original video data to a lower gradation; a difference generation unit that generates difference data between the original video data and the distribution video data; and an output unit that outputs the difference data. A playback apparatus plays back the distribution content. | 07-11-2013 |