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    • 91. 发明公开
    • Addressable storage device with display
    • Adressierbare Speichervorrichtung mit einer Anzeige
    • EP1239491A1
    • 2002-09-11
    • EP02251547.2
    • 2002-03-05
    • Hewlett-Packard Company
    • Taussig, Carl P.Hogan, Josh N.Edler, Richard E.
    • G11C13/04G11C17/16
    • G11C13/047G11C17/16
    • An electrically addressable device for recording, addressing and reading of data, includes a storage array module (20) having multiple layers (22) of data storage medium with an electrical marking device (25) disposed on at least one of the layers of storage medium of the storage array module (20) to provide a display indicating any pre-selected information, such as the nature of the content of the data stored on the storage array module (20). The electrical marking device (25) may comprise at least one layer functioning as a display layer (102) that is partially visually altered to provide a display of information, such as to display the subject matter and name of the content of the data and the amount of memory storage that has been used. The display layer (102) comprises a plurality of information storage elements (26), each representing the value of at least one data bit, wherein the visual appearance of each of the information storage elements (26) is varied depending on the value of the data bit.
    • 一种用于记录,寻址和读取数据的电可寻址装置,包括具有数据存储介质的多层(22)的存储阵列模块(20),其中电标记装置(25)设置在存储介质的至少一层上 以提供指示任何预先选择的信息的显示,诸如存储在存储阵列模块(20)上的数据的内容的性质。 电标记装置(25)可以包括用作显示层(102)的至少一层,其部分地被视觉上改变以提供信息的显示,例如显示主题和数据内容的名称,以及 已使用的内存存储量。 显示层(102)包括多个信息存储元件(26),每个信息存储元件(26)表示至少一个数据位的值,其中每个信息存储元件(26)的视觉外观根据 数据位。
    • 94. 发明公开
    • Holographic recording and reproducing apparatus and method
    • Vorrichtung und Verfahren zur Aufnahme und Wiedergabe von Hologrammen
    • EP1202137A2
    • 2002-05-02
    • EP01125863.9
    • 2001-10-30
    • Pioneer Corporation
    • Tanaka, Satoru, c/o Corporate R & D Laboratory
    • G03H1/04G11C13/04
    • G11B7/0065G03H1/181G03H1/20G03H1/26G03H1/265G03H2001/026G03H2001/0268G03H2001/0413G03H2001/184G03H2001/205G03H2210/562G03H2222/56
    • A holographic recording and reproducing apparatus preforms to record data on a recording medium and reproduce data from the recording medium. The recording medium is made of a photorefractive crystal having a parallel plate shape. The apparatus includes: a support portion for detachably supporting and rotating the recording medium; a recording-reference-light-beam-supplying-portion for supplying a coherent recording reference light beam propagating along an optical axis to a major surface of the recording medium; a signal-light-beam-supplying-portion for supplying a coherent signal light beam which is modulated in accordance with image data, in an optical path into the recording medium such that the signal light beam intersects with the reference light beam to produce an optical interference pattern with the reference and signal light beams within the recording medium; a reproducing-reference-light-beam-supplying-portion for supplying into the recording medium a coherent reproducing reference light beam propagating in an opposite direction along the optical axis of the recording reference light beam to generate a phase conjugate wave from a refractive-index grating of the light interference pattern; a splitting portion for splitting the phase conjugate wave from the optical path of the signal light beam to image a dot pattern with the phase conjugate wave; a photo-detecting portion for detecting the dot pattern imaged with the phase conjugate wave to reproduce the image data.
    • 全息记录和再现装置预先形成在记录介质上记录数据并从记录介质再现数据。 记录介质由具有平行板形状的光折射晶体制成。 该装置包括:用于可拆卸地支撑和旋转记录介质的支撑部分; 记录参考光束供应部分,用于将沿光轴传播的相干记录参考光束提供到记录介质的主表面; 信号光束供给部分,用于将以根据图像数据调制的相干信号光束在光路中提供到记录介质中,使得信号光束与参考光束相交,以产生光学 干涉图案与记录介质内的参考信号光束和信号光束; 再现参考光束供应部分,用于向记录介质提供沿着记录参考光束的光轴沿相反方向传播的相干再现参考光束,以从折射率产生相位共轭波 光干涉图案的光栅; 分离部分,用于将相位共轭波从信号光束的光路分割成与相位共轭波成像的点阵图形; 用于检测用相位共轭波成像的点图案以再现图像数据的光电检测部分。