NON-BINARY HOLOGRAMS FOR INCREASED CAPACITY
    42.
    发明申请
    NON-BINARY HOLOGRAMS FOR INCREASED CAPACITY 有权
    增加能力的非二进制HOLOGRAMS

    公开(公告)号:US20120170437A1

    公开(公告)日:2012-07-05

    申请号:US12981279

    申请日:2010-12-29

    IPC分类号: G11B7/00

    摘要: Techniques are provided for increasing storage capacity in a holographic storage system. While typical holographic storage systems involve binary storage for each data position in a holographic disk, present techniques involve storing data such that more than two data levels may be recorded in each data position. In some embodiments, a recording beam directed to the disk may be adjusted to different power levels depending on the data level to be recorded. Furthermore, the recording time at a data position may be adjusted to increase the energy directed to the data position by increasing the amount of time the recording beam is impinged on the data position. Embodiments are suitable for different types of holographic storage, including dye-based medium.

    摘要翻译: 提供了用于增加全息存储系统中的存储容量的技术。 虽然典型的全息存储系统涉及用于全息盘中的每个数据位置的二进制存储,但是现有技术涉及存储数据,使得可以在每个数据位置记录两个以上的数据级别。 在一些实施例中,根据待记录的数据级别,可以将指向磁盘的记录光束调整到不同的功率电平。 此外,可以调整数据位置处的记录时间,以通过增加记录光束撞击在数据位置上的时间量来增加指向数据位置的能量。 实施例适用于不同类型的全息存储,包括基于染料的介质。

    Coding for optical storage systems with multiple reader heads and multiple optical disks
    43.
    发明授权
    Coding for optical storage systems with multiple reader heads and multiple optical disks 有权
    用于具有多个读取头和多个光盘的光学存储系统的编码

    公开(公告)号:US08107333B2

    公开(公告)日:2012-01-31

    申请号:US12769394

    申请日:2010-04-28

    IPC分类号: G11B15/02

    摘要: Provided are methods and systems of encoding and decoding techniques in an optical storage system having a multi-head detector. In one embodiment, source data may be encoded using error correction coding (e.g., turbo coding) techniques, and the encoded data may be interleaved and distributed to more than one detector head of the multi-head detector. Data recorded in an optical disc may be retrieved by the multi-head detector, and a read data from more than one detector head may be concurrently decoded to retrieve estimates of the original information in the source data. Further, more than one encoder/decoder may be used, and each encoder/decoder may encode or decode data from multiple data heads. Some embodiments also include replicating multiple discs.

    摘要翻译: 提供了具有多头检测器的光存储系统中的编码和解码技术的方法和系统。 在一个实施例中,可以使用纠错编码(例如,turbo编码)技术对源数据进行编码,并且编码数据可以被交织并分布到多头检测器的多于一个的检测器头。 记录在光盘中的数据可以由多头检测器检索,并且可以同时解码来自多于一个检测器头的读取数据,以检索源数据中的原始信息的估计。 此外,可以使用多于一个的编码器/解码器,并且每个编码器/解码器可以对来自多个数据头的数据进行编码或解码。 一些实施例还包括复制多个盘。

    SYSTEM AND METHOD FOR CONTROLLING TRACKING IN AN OPTICAL DRIVE
    46.
    发明申请
    SYSTEM AND METHOD FOR CONTROLLING TRACKING IN AN OPTICAL DRIVE 有权
    用于控制光驱跟踪的系统和方法

    公开(公告)号:US20110170391A1

    公开(公告)日:2011-07-14

    申请号:US12338841

    申请日:2008-12-18

    IPC分类号: G11B7/125

    摘要: The present techniques provide methods and systems for alignment of a read head with data tracks on an optical data disk. In embodiments, a multi-pixel detector that is segmented into multiple areas, or detector segments, may be used to detect a pattern in the light reflected from an optical data disk. The detector system may then combine the quantized values from each of the detector segments mathematically to determine the alignment of the read head with a target data track. If the read head drifts to one side or the other, detectors to the side of a center detector may start to pick up energy from the adjacent tracks. If this energy is continuously summed for the detectors on each side, the read head may be centered by balancing the sums from the detectors on each side.

    摘要翻译: 本技术提供了用于将读取头与光学数据盘上的数据轨迹对准的方法和系统。 在实施例中,分割成多个区域或检测器段的多像素检测器可用于检测从光学数据盘反射的光中的图案。 然后,检测器系统可以在数学上组合来自每个检测器段的量化值,以确定读取头与目标数据轨道的对准。 如果读取头漂移到一侧或另一侧,则中心检测器侧面的检测器可能开始从相邻轨道拾取能量。 如果对于每一侧上的检测器持续求和这个能量,则读头可以通过平衡来自每侧的检测器的和来居中。

    System and method for relaying turbo-coded piggyback messages
    48.
    发明授权
    System and method for relaying turbo-coded piggyback messages 有权
    用于中继turbo编码搭载消息的系统和方法

    公开(公告)号:US07885289B2

    公开(公告)日:2011-02-08

    申请号:US11640952

    申请日:2006-12-19

    IPC分类号: H04J3/16

    摘要: Systems and/or methods for relaying messages between nodes in a network (e.g. a wireless network) are provided. In accordance with certain exemplary embodiments, substantially simultaneous communications between nodes may be accomplished. At least one secondary turbo-coded message may be piggybacked onto a turbo-coded primary message. Messages in the network may be queued and sent from a transmitter to at least one receiver based at least in part on the signal-to-noise ratio(s) of the receiver nodes with respect to the transmitter. Thus, it may be possible to realize a network that reduces collision problems, reduces delays in communications, and/or increases throughput.

    摘要翻译: 提供了用于在网络(例如无线网络)中的节点之间中继消息的系统和/或方法。 根据某些示例性实施例,可以实现节点之间的基本上同时的通信。 至少一个二次涡轮编码消息可以搭载在turbo编码的主消息上。 至少部分地基于接收机节点相对于发射机的信噪比,网络中的消息可以被排队并从发射机发送到至少一个接收机。 因此,可以实现减少冲突问题,减少通信延迟和/或增加吞吐量的网络。