INFORMATION REPRODUCTION APPARATUS AND METHOD FOR CONTROLLING SAME
    1.
    发明申请
    INFORMATION REPRODUCTION APPARATUS AND METHOD FOR CONTROLLING SAME 审中-公开
    信息再现装置及其控制方法

    公开(公告)号:US20120008476A1

    公开(公告)日:2012-01-12

    申请号:US13238612

    申请日:2011-09-21

    IPC分类号: G11B7/135

    摘要: According to one embodiment, an information reproduction apparatus includes an information acquisition unit, an error detection unit, and a control unit. The information acquisition unit is configured to irradiate a reference beam, convert the reference beam into a luminance signal, and output the luminance signal when reproducing an information recording Medium. The error detection unit is configured to detect at least one selected from a first error and a second error by extracting a feature extraction quantity from the luminance signal. The first error is of an irradiation angle of the reference beam. The second error is of at least one selected from a temperature and a wavelength of the reference beam. The control unit is configured to control at least one selected from the irradiation angle and the at least one selected from the reproduction temperature and the wavelength of the reference beam using the second error.

    摘要翻译: 根据一个实施例,信息再现设备包括信息获取单元,错误检测单元和控制单元。 信息获取单元被配置为照射参考光束,将参考光束转换成亮度信号,并且在再现信息记录介质时输出亮度信号。 误差检测单元被配置为通过从亮度信号提取特征提取量来检测从第一误差和第二误差中选出的至少一个。 第一误差是参考光束的照射角度。 第二误差是从参考光束的温度和波长中选出的至少一个。 控制单元被配置为使用第二误差来控制从照射角度和从再现温度和参考光束的波长中选择的至少一个中选择的至少一个。

    Information storage device, information recording medium, and information storage method
    2.
    发明授权
    Information storage device, information recording medium, and information storage method 失效
    信息存储装置,信息记录介质和信息存储方法

    公开(公告)号:US08593926B2

    公开(公告)日:2013-11-26

    申请号:US13353474

    申请日:2012-01-19

    IPC分类号: G11B7/00

    摘要: An information storage device includes an information recording medium, at least a single light source that emits laser light, an illuminating unit that illuminates substantially the same position of the information recording medium with two light rays generated from the laser light, in different directions, a light detecting unit that detects reflection light of the two light rays reflected from the information recording medium and outputs a detection signal, an operation unit that calculates position error information of the information recording medium based on the detection signal; and, a driving device that changes the position of the information recording medium based on the position error information.

    摘要翻译: 信息存储装置包括:信息记录介质,至少一个发射激光的光源;照明单元,其以不同方向从激光产生的两束光照射基本相同位置的信息记录介质; 光检测单元,其检测从信息记录介质反射的两个光线的反射光并输出检测信号;运算单元,其基于检测信号计算信息记录介质的位置误差信息; 以及基于位置误差信息改变信息记录介质的位置的驱动装置。

    INFORMATION STORAGE DEVICE, INFORMATION RECORDING MEDIUM, AND INFORMATION STORAGE METHOD
    3.
    发明申请
    INFORMATION STORAGE DEVICE, INFORMATION RECORDING MEDIUM, AND INFORMATION STORAGE METHOD 失效
    信息存储设备,信息记录介质和信息存储方法

    公开(公告)号:US20120140606A1

    公开(公告)日:2012-06-07

    申请号:US13353474

    申请日:2012-01-19

    IPC分类号: G11B7/0065

    摘要: An information storage device includes an information recording medium, at least a single light source that emits laser light, an illuminating unit that illuminates substantially the same position of the information recording medium with two light rays generated from the laser light, in different directions, a light detecting unit that detects reflection light of the two light rays reflected from the information recording medium and outputs a detection signal, an operation unit that calculates position error information of the information recording medium based on the detection signal; and, a driving device that changes the position of the information recording medium based on the position error information.

    摘要翻译: 信息存储装置包括:信息记录介质,至少一个发射激光的光源;照明单元,其以不同方向从激光产生的两束光照射基本相同位置的信息记录介质; 光检测单元,其检测从信息记录介质反射的两个光线的反射光并输出检测信号;运算单元,其基于检测信号计算信息记录介质的位置误差信息; 以及基于位置误差信息改变信息记录介质的位置的驱动装置。

    Optical pickup and optical disk apparatus
    4.
    发明授权
    Optical pickup and optical disk apparatus 失效
    光学拾取和光盘设备

    公开(公告)号:US08582413B2

    公开(公告)日:2013-11-12

    申请号:US13709787

    申请日:2012-12-10

    IPC分类号: G11B7/00

    摘要: According to one embodiment, an optical pickup configured to record and to reproduce on a layer of a disk, including, a light source configured to emit a laser beam, an objective lens including a variable use magnification and configured to focus the laser beam on the layer, a collimator lens configured to change the magnification of the objective lens by moving along an optical axis direction, and a liquid crystal module configured to generate spherical aberration to cancel a coma aberration which may occur because an object point and an image point of the objective lens at the use magnification do not exist on an optical axis of the objective lens.

    摘要翻译: 根据一个实施例,一种光学拾取器,被配置为在盘的层上记录和再现,包括被配置为发射激光束的光源,包括可变放大倍率的物镜,并且被配置为将激光束聚焦在 层,准直透镜,被配置为通过沿着光轴方向移动来改变物镜的放大倍数;以及液晶模块,被配置为产生球面像差以消除可能由于对象点和图像点的像点而可能发生的彗形像差 在物镜的光轴上不存在使用放大率的物镜。

    Holographic recording method detecting displacement of a holographic recording medium, and recording and reproduction apparatus
    5.
    发明授权
    Holographic recording method detecting displacement of a holographic recording medium, and recording and reproduction apparatus 失效
    全息记录方法检测全息记录介质的位移,以及记录和再现装置

    公开(公告)号:US08542566B2

    公开(公告)日:2013-09-24

    申请号:US13684435

    申请日:2012-11-23

    CPC分类号: G11B7/0065 G11B7/083 G11B7/09

    摘要: A method for recording information in form of a hologram. The method can generate a displacement signal by detecting a displacement of a holographic recording medium. The method can perform an exposure control operation that, if the sampling value of the displacement signal falls within an allowable displacement range, records the information item in the holographic recording medium, and if the sampling value of the displacement signal falls outside the allowable displacement range, blocks or reduces at least one of the information light and the reference light to a light intensity with which the information item is not recorded in the holographic recording medium.

    摘要翻译: 一种以全息图形式记录信息的方法。 该方法可以通过检测全息记录介质的位移来产生位移信号。 该方法可以执行曝光控制操作,如果位移信号的采样值落在容许位移范围内,则将信息项记录在全息记录介质中,并且如果位移信号的采样值落在容许位移范围之外 将信息光和参考光中的至少一个阻挡或减少到信息项目不记录在全息记录介质中的光强度。

    OPTICAL PICKUP AND OPTICAL DISK APPARATUS
    6.
    发明申请
    OPTICAL PICKUP AND OPTICAL DISK APPARATUS 失效
    光学拾取和光盘设备

    公开(公告)号:US20130094341A1

    公开(公告)日:2013-04-18

    申请号:US13709787

    申请日:2012-12-10

    IPC分类号: G11B7/1378

    摘要: According to one embodiment, an optical pickup configured to record and to reproduce on a layer of a disk, including, a light source configured to emit a laser beam, an objective lens including a variable use magnification and configured to focus the laser beam on the layer, a collimator lens configured to change the magnification of the objective lens by moving along an optical axis direction, and a liquid crystal module configured to generate spherical aberration to cancel a coma aberration which may occur because an object point and an image point of the objective lens at the use magnification do not exist on an optical axis of the objective lens.

    摘要翻译: 根据一个实施例,一种光学拾取器,被配置为在盘的层上记录和再现,包括被配置为发射激光束的光源,包括可变放大倍率的物镜,并且被配置为将激光束聚焦在 层,准直透镜,被配置为通过沿着光轴方向移动来改变物镜的放大倍数;以及液晶模块,被配置为产生球面像差以消除可能由于对象点和图像点的像点而可能发生的彗形像差 在物镜的光轴上不存在使用放大率的物镜。

    HOLOGRAPHIC RECORDING METHOD, AND RECORDING AND REPRODUCTION APPARATUS
    7.
    发明申请
    HOLOGRAPHIC RECORDING METHOD, AND RECORDING AND REPRODUCTION APPARATUS 失效
    全息记录方法,记录和再现装置

    公开(公告)号:US20130077457A1

    公开(公告)日:2013-03-28

    申请号:US13684435

    申请日:2012-11-23

    IPC分类号: G11B7/0065

    CPC分类号: G11B7/0065 G11B7/083 G11B7/09

    摘要: In one embodiment, a method is disclosed for recoding information in form of a hologram. The method can generate a displacement signal by detecting a displacement of a holographic recording medium. The method can perform an exposure control operation that, if the sampling value of the displacement signal falls within an allowable displacement range, records the information item in the holographic recording medium, and if the sampling value of the displacement signal falls outside the allowable displacement range, blocks or reduces at least one of the information light and the reference light to a light intensity with which the information item is not recorded in the holographic recording medium.

    摘要翻译: 在一个实施例中,公开了用于以全息图的形式重新编码信息的方法。 该方法可以通过检测全息记录介质的位移来产生位移信号。 该方法可以执行曝光控制操作,如果位移信号的采样值落在容许位移范围内,则将信息项记录在全息记录介质中,并且如果位移信号的采样值落在容许位移范围之外 将信息光和参考光中的至少一个阻挡或减少到信息项目不记录在全息记录介质中的光强度。

    INFORMATION RECORDING AND REPRODUCING APPARATUS
    8.
    发明申请
    INFORMATION RECORDING AND REPRODUCING APPARATUS 有权
    信息记录和再现设备

    公开(公告)号:US20130021892A1

    公开(公告)日:2013-01-24

    申请号:US13618173

    申请日:2012-09-14

    IPC分类号: G11B7/1374 G11B7/1376

    摘要: According to one embodiment, an information recording and reproducing apparatus including, a focus control module, an objective lens control module, a calculation module, and a tracking control module. If, detection the recording marks line, to focus a laser light of a second wavelength to the recording layer through an objective lens and to operation a recording layer tracking control using a tracking error signal taken out from a second reflected light and a laser light of a first wavelength to a track groove through the objective lens and to operation a guide layer tracking control to control the objective lens using a tracking error signal taken out from a first reflected light.

    摘要翻译: 根据一个实施例,一种信息记录和再现装置,包括聚焦控制模块,物镜控制模块,计算模块和跟踪控制模块。 如果检测记录标记线,则通过物镜将第二波长的激光聚焦到记录层,并且使用从第二反射光和第二反射光的激光中取出的跟踪误差信号来操作记录层跟踪控制 通过物镜的轨道槽的第一波长,并且使用从第一反射光取出的跟踪误差信号来操作引导层跟踪控制来控制物镜。

    Pickup head, information recording method and reproducing method
    10.
    发明授权
    Pickup head, information recording method and reproducing method 失效
    拾音头,信息记录方法和再现方法

    公开(公告)号:US08614936B2

    公开(公告)日:2013-12-24

    申请号:US13410649

    申请日:2012-03-02

    IPC分类号: G11B7/09

    摘要: According to one embodiment, a pickup head includes a plurality of light sources, a first objective lens, second objective lens, a driving unit, a first control unit, a second control unit, light receiving units. The first objective lens focuses a first light beam at a first recording layer. The second objective lens focuses a second light beam at a second recording layer. The driving unit moves the first objective lens and the second objective lens in a first direction and a second direction. The first control unit corrects displacement from target track along the first direction. The second control unit controls a moving direction of a position of the second light spot in the second direction.

    摘要翻译: 根据一个实施例,拾取头包括多个光源,第一物镜,第二物镜,驱动单元,第一控制单元,第二控制单元,光接收单元。 第一物镜将第一光束聚焦在第一记录层。 第二物镜将第二光束聚焦在第二记录层。 驱动单元沿第一方向和第二方向移动第一物镜和第二物镜。 第一控制单元沿着第一方向校正与目标轨迹的位移。 第二控制单元控制第二光点在第二方向上的位置的移动方向。