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    • 71. 发明授权
    • Angle multiplexing holographic storage device and method
    • 角复用全息存储装置及方法
    • US07193757B2
    • 2007-03-20
    • US11167645
    • 2005-06-27
    • Tsan-Yuan Chen
    • Tsan-Yuan Chen
    • G03H1/28
    • G11B7/1362G03H1/265G03H2223/24G11B7/0065
    • In an angle multiplexing holographic storage device, a movable beam splitter is used for splitting a source beam into an object beam and a reference beam. An encoding device is used for encoding the object beam with pixel data. A parabolic reflector differentially reflects the reference beam with the movement of the movable beam splitter. A holographic storage medium is arranged at the focal point of the parabolic reflector and made to lie in the optical path of the encoded object beam so that the differentially reflected reference beams encounter and interfere with the encoded object beam at the same site of the holographic storage medium to form and record various interference patterns.
    • 在角度复用全息存储装置中,使用可移动分束器将源光束分割成物体光束和参考光束。 编码装置用于使用像素数据对目标光束进行编码。 抛物面反射器随着可移动分束器的移动而差异地反射参考光束。 全息存储介质布置在抛物面反射器的焦点处并且被制成位于编码对象光束的光路中,使得差分反射的参考光束在全息存储器的相同位置处遇到并干扰编码对象光束 介质形成和记录各种干涉图案。
    • 72. 发明授权
    • Track jump method for dual-layered optical disk reading device
    • 双层光盘读取装置的跳转方法
    • US07173886B2
    • 2007-02-06
    • US10626335
    • 2003-07-24
    • Yu-Hung Sun
    • Yu-Hung Sun
    • G11B21/08
    • G11B7/08523G11B2007/0013
    • A method is disclosed for jumping tracks on a double-layer optical disk from a first address A on a first data layer to a target address D on a second data layer. According to the method, the first address A where the optical head is currently positioned is read. Then, after jumping to the second data layer, a relative second address B on the second data layer that corresponds to the first address A on the first data layer is read. If the second address B on the second data layer is smaller than the first address A on the first data layer, then the address of the second address B on the second data layer is shifted and a new target address is obtained on the second data layer based on this address shift. A calculation function is performed based on the first address A and the new target address, and then the optical head is moved to the new target address on the second data layer. On the other hand, if the second address B on the second data layer is larger than the first address A on the first data layer, then a calculation function is calculated based on the second address B and the target address D, and then the optical head is moved to the target address D on the second data layer.
    • 公开了一种用于将双层光盘上的轨道从第一数据层上的第一地址A跳转到第二数据层上的目标地址D的方法。 根据该方法,读取光头当前所在的第一地址A. 然后,在跳到第二数据层之后,读取与第一数据层上的第一地址A对应的第二数据层上的相对第二地址B. 如果第二数据层上的第二地址B小于第一数据层上的第一地址A,则第二数据层上的第二地址B的地址被移位,并且在第二数据层上获得新的目标地址 基于这个地址班。 基于第一地址A和新的目标地址执行计算功能,然后将光头移动到第二数据层上的新目标地址。 另一方面,如果第二数据层上的第二地址B大于第一数据层上的第一地址A,则基于第二地址B和目标地址D计算计算函数,然后计算光学 头移动到第二数据层上的目标地址D。
    • 79. 发明授权
    • Method of detecting and compensating fail pixel in hologram optical storage system
    • 全息光学存储系统中失效像素的检测和补偿方法
    • US08135219B2
    • 2012-03-13
    • US11682920
    • 2007-03-07
    • Chia-Yen ChangHsin-Ping Cheng
    • Chia-Yen ChangHsin-Ping Cheng
    • G06K9/62G03H1/00G03H1/26G03H5/32
    • G11B7/0065G11B7/00375
    • A method of detecting and compensating fail pixels in a holographic storage system. The method includes steps of: providing a plurality of image frames to show on a data plane for all pixels on the data plane being capable of outputting a light state or a dark state; sequentially recording the image frames into a storage medium; detecting the image frames by using a detecting apparatus for all pixels on the detecting apparatus being capable of outputting sensing signals corresponding to the light state and the dark state; defining a sensing difference value, which is a difference of the sensing signal outputting the light state and the dark state generated by one pixel; comparing the sensing difference value with a threshold value; and defining the corresponding pixel is a fail pixel if the sensing difference value is smaller than the threshold value.
    • 一种在全息存储系统中检测和补偿失败像素的方法。 该方法包括以下步骤:提供多个图像帧以在数据平面上显示能够输出光状态或暗状态的数据平面上的所有像素; 顺序地将图像帧记录到存储介质中; 通过使用检测装置的检测装置来检测图像帧,所述检测装置能够输出对应于光状态和暗状态的感测信号; 定义感测差值,其是输出光状态的感测信号与由一个像素产生的暗状态的差; 将感测差值与阈值进行比较; 并且如果感测差值小于阈值,则定义相应像素是失效像素。