公开(公告)号：US20120127286A1

公开(公告)日：2012-05-24

申请号：US13296738

申请日：2011-11-15

申请人： Yoshihisa SATO ,  Yoshiki OKAMOTO ,  Tetsuyuki YOSHIDA ,  Atsuhiro CHIBA ,  Sho SAKAMOTO

发明人： Yoshihisa SATO ,  Yoshiki OKAMOTO ,  Tetsuyuki YOSHIDA ,  Atsuhiro CHIBA ,  Sho SAKAMOTO

IPC分类号： H04N13/04

CPC分类号： H04N13/139 ,  H04N13/31 ,  H04N13/315 ,  H04N13/359

摘要： A display device includes: an optical barrier unit which includes a plurality of gate groups each including a plurality of gates, and in which gates in different groups perform a gating operation individually at different timings; a combined image generator which generates a plurality of sequences of combined images each corresponding to the plurality of gate groups based on a plurality of different viewpoint images in accordance with an opening timing of the respective gate groups; and a display unit which displays the corresponding sequence of combined images in synchronization with the gating operation of the respective gate groups, wherein the combined image generator generates at least one sequence of combined images through interpolation.

摘要翻译： 显示装置包括：光阻挡单元，其包括多个栅极组，每个栅极组包括多个栅极，并且其中不同组中的栅极在不同的定时单独执行选通操作; 组合图像生成器，其根据各个门组的打开定时，基于多个不同的视点图像生成各自对应于多个门组的多个组合图像序列; 以及显示单元，其显示与各个门组的门控操作同步的组合图像的相应序列，其中组合图像生成器通过内插生成至少一个组合图像序列。

公开(公告)号：US20100245955A1

公开(公告)日：2010-09-30

申请号：US12704587

申请日：2010-02-12

申请人： Akio YAMAKAWA ,  Yoshiki OKAMOTO ,  Kenji TANAKA ,  Kazutatsu TOKUYAMA ,  Koji TAKASAKI

发明人： Akio YAMAKAWA ,  Yoshiki OKAMOTO ,  Kenji TANAKA ,  Kazutatsu TOKUYAMA ,  Koji TAKASAKI

IPC分类号： G03H1/04

CPC分类号： G11B7/1275 ,  G11B7/00781 ,  G11B7/083 ,  G11B7/0908 ,  G11B7/128 ,  G11B7/1374 ,  G11B7/1378 ,  G11B7/24038 ,  G11B7/24044

摘要： A light irradiation device includes: a focus servo control unit including a light source, a spatial light modulating unit, and a light irradiating unit, for focus servo control so that the ideal focal position of light via an objective lens is such that distance between an ideal focal position and a hologram recording medium surface is smaller than distance from the surface to the lower layer side face of the recording layer, and the focal position of light via the objective lens is constant at the ideal focal position; an objective-lens/relay-lens distance adjusting unit to adjust distance between the objective lens and a relay lens close to the objective lens; a light reception unit to receive marker light; and a constant distance control unit to control the objective-lens/relay-lens distance adjusting unit based on error between the ideal position of the marker light, and the actual position of the marker light.

摘要翻译： 光照射装置包括：聚焦伺服控制单元，包括光源，空间光调制单元和光照射单元，用于聚焦伺服控制，使得经由物镜的光的理想焦点位置使得 理想焦点位置和全息图记录介质表面小于记录层的表面到下层侧面的距离，并且通过物镜的光的焦点位置在理想焦点位置处是恒定的; 物镜/中继透镜距离调节单元，用于调整物镜与靠近物镜的中继透镜之间的距离; 光接收单元，用于接收标记光; 以及恒定距离控制单元，其基于标记光的理想位置与标记光的实际位置之间的误差来控制物镜/中继透镜距离调节单元。

公开(公告)号：US20090323481A1

公开(公告)日：2009-12-31

申请号：US12476397

申请日：2009-06-02

申请人： Masaaki HARA ,  Satoru SEKO ,  Hitoshi Okada ,  Tomiji TANAKA ,  Yoshiki OKAMOTO

发明人： Masaaki HARA ,  Satoru SEKO ,  Hitoshi Okada ,  Tomiji TANAKA ,  Yoshiki OKAMOTO

IPC分类号： G11B7/00

CPC分类号： G11B7/083 ,  G11B7/00781 ,  G11B7/08541 ,  G11B7/1275 ,  G11B7/24038 ,  G11B7/24044

摘要： A drive apparatus includes a light irradiation section for applying light from a light source via an object lens on a hologram recording medium having a recording layer on which a hologram is formed and a track formation layer on which an address recording track composed of a pit string recording address information representing the hologram recording position on the recording layer and an auxiliary track composed of a continuous groove formed side by side with the address recording track are formed, a light spot displacement section for displacing a light spot formed by the light irradiation section in a radius direction of the hologram recording medium, and a control section for controlling the light spot displacement section following a light information signal upon the auxiliary track traverse of the light spot obtained in accordance with the light spot displacement to execute a jump operation between the address recording tracks.

摘要翻译： 驱动装置包括光照射部分，用于经由物镜将光从光源施加到具有形成全息图的记录层的全息图记录介质上，以及轨道形成层，其上由凹坑串构成的地址记录轨道 形成表示记录层上的全息图记录位置的记录地址信息和由与地址记录轨道并排形成的连续槽组成的辅助轨道，用于将由光照射部分形成的光点移位的光点位移部分 全息图记录介质的半径方向，以及控制部分，用于控制根据光斑位移获得的光点的辅助轨道横越之后的光信息信号的光点位移部分，以执行地址 录制曲目。

公开(公告)号：US20080117724A1

公开(公告)日：2008-05-22

申请号：US11874464

申请日：2007-10-18

申请人： Yoshiki OKAMOTO

发明人： Yoshiki OKAMOTO

IPC分类号： G11B11/00 ,  G11B7/00

CPC分类号： G11B7/0909 ,  G11B7/1378 ,  G11B2007/0013

摘要： An optical pickup includes: a light source emitting a light beam; an objective lens condensing the light beam emitted from the light source on a recording layer of an optical disc; a photodetector including a photoreception portion receiving the returned light from the optical disc; an optical-path separating unit separating the optical path of the returned light reflected at the optical disc from the optical path of the light beam emitted from the light source; an astigmatism generating unit generating astigmatism regarding a light beam to pass through, forming an image in a first direction at a first position in the optical axis direction, and also forming an image in a second direction generally orthogonal to the first direction at a second position in the optical axis direction; and a polarization-direction adjusting unit adjusting the polarization direction of a light beam to pass through for each region.

摘要翻译： 光拾取器包括：发射光束的光源; 将从光源发射的光束聚光在光盘的记录层上的物镜; 光电检测器，其包括接收来自光盘的返回光的光接收部分; 光路分离单元，将从光盘反射的返回光的光路与从光源发射的光束的光路分离; 产生与光束通过的像散的像散生成单元，在光轴方向上的第一位置沿第一方向形成图像，并且还在第二位置形成大致正交于第一方向的第二方向的图像 在光轴方向; 以及偏振方向调整单元，调整每个区域的光束的偏振方向通过。

公开(公告)号：US20080089205A1

公开(公告)日：2008-04-17

申请号：US11859165

申请日：2007-09-21

申请人： Yoshiki OKAMOTO ,  Katsuhiro Seo

发明人： Yoshiki OKAMOTO ,  Katsuhiro Seo

IPC分类号： G11B3/74

CPC分类号： G11B7/1353 ,  G11B7/1381 ,  G11B2007/0013

摘要： An optical pickup for recording/reproducing information on/from an optical disc having recording layers, includes a light source; an objective lens for condensing an optical beam emitted from the light source on the recording layer; a photo-detector having a light-receiving section for receiving return light from the optical disc; an optical-path separating unit for separating the optical path of the return light reflected by the optical disc from the optical path of the optical beam emitted from the light source; and a masking member having a masking unit shielding part of a passing-through optical beam, in which the masking unit shields the central region of the optical beam to be incident in the light-receiving section among the optical beams reflected by the other recording layers or surfaces different from the recording layer recording/reproducing information so as not to admit the central region to the light-receiving section.

摘要翻译： 一种用于在具有记录层的光盘上记录/再现信息的光学拾取器，包括光源; 用于将从光源发射的光束聚光在记录层上的物镜; 光检测器，具有用于从光盘接收返回光的光接收部分; 光路分离单元，用于将由光盘反射的返回光的光路与从光源发出的光束的光路分离; 以及遮蔽构件，其具有通过光束的掩模单元屏蔽部分，其中所述掩蔽单元屏蔽由所述其它记录层反射的光束中的入射在所述光接收部分中的所述光束的中心区域 或与记录层记录/再现信息不同的表面，以便不将中心区域接纳到光接收部分。