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    • 71. 发明申请
    • EXPOSURE APPARATUS AND IMAGE FORMING APPARATUS
    • 曝光装置和图像形成装置
    • US20120013961A1
    • 2012-01-19
    • US13016484
    • 2011-01-28
    • Jiro MINABE
    • Jiro MINABE
    • G03H1/02G02B26/10
    • G02B27/0018B41J2/45B41J2/465G02B5/003G02B5/32G02B2207/123G03G15/04G03G15/04054G03G15/0409G03H1/30
    • There is provided an exposing device including a light emitting element array of light emitting elements arrayed in a row along a predetermined first direction; a hologram recording layer in which hologram elements are multiplex recorded such that each of the hologram elements corresponds to one of the light emitting elements and diffracts an emission beam from the light emitting element and converges the light onto a light exposure plane, such that a focused beam spots are formed on the light exposure plane in a row along the first direction; and a first transmission control section, disposed at the light incident side of the hologram recording layer, provided with a structure in which light blocking sections and light transmitting sections are alternately arrayed along a second direction intersecting with the first direction, and selectively transmitting in the second direction light passing along the optical path of the reference beam.
    • 提供了一种曝光装置,包括沿着预定的第一方向排列成一行的发光元件的发光元件阵列; 全息图记录层,其中全息元件被复用记录,使得每个全息元件对应于一个发光元件,并衍射来自发光元件的发射光束,并将光会聚到曝光平面上,使得聚焦 光束点沿着第一方向一行地形成在曝光平面上; 以及第一透射控制部,设置在全息图记录层的光入射侧,具有遮光部和透光部沿与第一方向交叉的第二方向交替排列的结构,并且在 沿着参考光束的光路通过的第二方向光。
    • 76. 发明申请
    • OPTICAL RECORDING DEVICE AND OPTICAL RECORDING AND REPRODUCTION DEVICE
    • 光学记录装置和光学记录和再现装置
    • US20090213718A1
    • 2009-08-27
    • US12266285
    • 2008-11-06
    • Jiro MINABEYasuhiro OGASAWARA
    • Jiro MINABEYasuhiro OGASAWARA
    • G11B20/18G11B7/00
    • G11B7/1381G03H1/04G03H1/0465G03H2222/35G11B7/0065G11B7/1378
    • An optical recording device includes a light source, a spatial light modulator, a correcting optical system and a light guiding section. The spatial light modulator includes plural pixels, a signal light region that displays a signal light pattern, and a reference light region that displays a reference light pattern. The spatial light modulator modulates and outputs incident light for each pixel in accordance with a display pattern. The correcting optical system includes a pair of axicon lenses that correct the emitted light from the light source so as to flatten the light intensity distribution thereof on an irradiated surface of the spatial light modulator. The light guiding section guides the corrected light to the spatial light modulator. The signal light and the reference light are irradiated onto an optical recording medium simultaneously and a hologram is recorded into the optical recording medium.
    • 光记录装置包括光源,空间光调制器,校正光学系统和导光部。 空间光调制器包括多个像素,显示信号光图案的信号光区域和显示参考光图案的参考光区域。 空间光调制器根据显示图案调制并输出每个像素的入射光。 校正光学系统包括一对旋转透镜,其校正来自光源的发射光,以使其在空间光调制器的照射表面上的光强度分布变平。 导光部将校正后的光导向空间光调制器。 信号光和参考光同时照射到光学记录介质上,并将全息图记录到光学记录介质中。
    • 79. 发明授权
    • Hologram erasing method and hologram erasing apparatus
    • 全息擦除方法和全息擦除装置
    • US07426168B2
    • 2008-09-16
    • US10782758
    • 2004-02-23
    • Katsunori KawanoJiro MinabeShin YasudaTatsuya MaruyamaNorie Matsui
    • Katsunori KawanoJiro MinabeShin YasudaTatsuya MaruyamaNorie Matsui
    • G11B7/00
    • G11B7/0055G11B7/0065
    • The present invention discloses a hologram erasing method, in which a predetermined hologram is erased by irradiating a predetermined region of a hologram recording medium in which the hologram to be erased is recorded with a reference light beam and a signal light beam holding a random data pattern at the same time. In this method, the signal light beam and the reference light beam interfere with each other in the medium, and a Fourier transform hologram recorded in the region where the interference occurs is destroyed and erased by interference light beam. That is, a data page for erasing including a random pattern is overwritten to erase an original data page. According to the present invention, the hologram recorded in the optical recording medium can be selectively and completely erased in a simple method.
    • 本发明公开了一种全息擦除方法,其中通过用参考光束照射其中记录要擦除的全息图的全息图记录介质的预定区域和保持随机数据图案的信号光束来擦除预定的全息图 与此同时。 在这种方法中,信号光束和参考光束在介质中彼此干涉,并且记录在发生干涉的区域中的傅立叶变换全息图被干涉光束破坏并被擦除。 也就是说,覆盖包括随机模式的用于擦除的数据页被覆盖以擦除原始数据页。 根据本发明,记录在光学记录介质中的全息图可以以简单的方法被选择性地和完全地擦除。