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    Method and equipment for storing holographic data
    3.
    发明申请
    Method and equipment for storing holographic data 失效
    存储全息数据的方法和设备

    公开(公告)号：US20050088947A1

    公开(公告)日：2005-04-28

    申请号：US10930770

    申请日：2004-09-01

    申请人： Katsutaro Ichihara ,  Urara Ichihara ,  Kazuki Matsumoto ,  Akiko Hirao ,  Rumiko Hayase

    发明人： Katsutaro Ichihara ,  Urara Ichihara ,  Kazuki Matsumoto ,  Akiko Hirao ,  Rumiko Hayase

    IPC分类号： G03H1/04 ,  G11B7/00 ,  G11B7/0065 ,  G11B7/09 ,  G11B7/135 ,  G11B13/00 ,  G11B19/20

    CPC分类号： G11B19/20 ,  G11B7/0065 ,  G11B7/0938

    摘要： A method for storing holographic data in a medium having a reflection layer and a recording layer comprises: recording, rotating and repeating. An interference pattern is recorded at a recording position of the recording layer of the medium in a stationary state. The interference pattern is formed by an interference between an object beam and a reference beam which are irradiated into the recording layer from an opposite side of the reflection layer. The medium is rotated so as to shift the recording position by a distance of n×Sh where n is a positive integer and Sh is a predetermined recording shift amount. The recording and the rotating are repeated alternately.

    摘要翻译： 一种用于在具有反射层和记录层的介质中存储全息数据的方法包括：记录，旋转和重复。 在静止状态的介质的记录层的记录位置处记录干涉图案。 干涉图案由物体光束与从反射层的相对侧照射到记录层中的参考光束之间的干涉形成。 旋转介质以将记录位置移动距离为nxSh，其中n为正整数，Sh为预定的记录位移量。 交替重复记录和旋转。

    Hologram recording medium and method of hologram recording and reproduction
    5.
    发明申请
    Hologram recording medium and method of hologram recording and reproduction 审中-公开
    全息记录介质和全息记录和再现方法

    公开(公告)号：US20050002311A1

    公开(公告)日：2005-01-06

    申请号：US10835614

    申请日：2004-04-30

    申请人： Katsutaro Ichihara ,  Urara Ichihara ,  Akiko Hirao ,  Kazuki Matsumoto

    发明人： Katsutaro Ichihara ,  Urara Ichihara ,  Akiko Hirao ,  Kazuki Matsumoto

    IPC分类号： G03H1/18 ,  G03H1/22 ,  G11B7/00 ,  G11B7/0065 ,  G11B7/007 ,  G11B7/09 ,  G11B7/135 ,  G11B7/24

    CPC分类号： G11B7/00781 ,  G11B7/0065 ,  G11B7/0938 ,  G11B7/24079

    摘要： A hologram recording medium has a transparent substrate having an incidence surface, on which a write beam and a reference beam are made incident, and a servo surface opposite to the incidence surface, the servo surface including a header section and a data section, a reflecting layer formed on the servo surface of the transparent substrate, and a hologram recording layer provided on the incidence surface of the transparent substrate, the servo surface having intermittent tracking grooves in the data section except for recording positions, and a width of the tracking grooves being set at a value to less than an e−2 diameter of the reference beam.

    摘要翻译： 全息记录介质具有透明基板，具有写入光束和参考光束入射的入射面和与该入射面相反的伺服面，该伺服面包括标题部和数据部，反射 形成在所述透明基板的伺服面上的层，以及设置在所述透明基板的入射面上的所述全息图记录层，所述伺服面在所述数据部中除了记录位置之外具有间歇跟踪槽，所述跟踪槽的宽度为 设置为小于参考光束的e <-2>直径的值。

    Reproducing apparatus, recording and reproducing apparatus and reproducing method
    6.
    发明申请
    Reproducing apparatus, recording and reproducing apparatus and reproducing method 审中-公开
    再现装置，记录和再现装置和再现方法

    公开(公告)号：US20050195722A1

    公开(公告)日：2005-09-08

    申请号：US11065075

    申请日：2005-02-25

    申请人： Takayuki Tsukamoto ,  Kazuki Matsumoto ,  Rumiko Hayase ,  Akiko Hirao ,  Katsutaro Ichihara ,  Urara Ichihara

    发明人： Takayuki Tsukamoto ,  Kazuki Matsumoto ,  Rumiko Hayase ,  Akiko Hirao ,  Katsutaro Ichihara ,  Urara Ichihara

    IPC分类号： G03H1/26 ,  G11B7/00 ,  G11B7/0065 ,  G11B7/135

    CPC分类号： G11B7/0065 ,  G03H1/22 ,  G03H1/2286 ,  G03H2001/2228 ,  G03H2222/56 ,  G03H2250/42 ,  G11B7/00781 ,  G11B7/24044

    摘要： Provided is a technique for reproducing information recorded on a holographic recording medium including a reflecting layer and a recording layer. When reproducing, a reproducing reference light is focused on a reflecting surface of the reflecting layer to produce a phase conjugate reproduced light and an ordinary reproduced light, and the phase conjugate reproduced light and the ordinary reproduced light are guided to a sensing surface of an image sensor to produce on the sensing surface a first reproduced image and a second reproduced image smaller than the first reproduced image, respectively. An intensity of the ordinary reproduced light on the sensing surface is higher than an intensity of the phase conjugate reproduced light on the sensing surface. An output of the image sensor corresponding to a non-overlapping portion of the first reproduced image which does not overlap the second reproduced image is utilized for reproducing the information.

    摘要翻译： 提供了一种用于再现记录在包括反射层和记录层的全息记录介质上的信息的技术。 当再现时，再现参考光聚焦在反射层的反射表面上以产生相位共轭再现光和普通再现光，并且相位共轭再现光和普通再现光被引导到图像的感测表面 传感器，以在感测表面上分别产生第一再现图像和小于第一再现图像的第二再现图像。 感测表面上的普通再现光的强度高于感测表面上的相位共轭重现光的强度。 利用与不与第二再现图像重叠的第一再现图像的非重叠部分对应的图像传感器的输出来再现信息。