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    • 28. 发明授权
    • Electronic paper display updates
    • 电子纸显示更新
    • US08819568B1
    • 2014-08-26
    • US12418500
    • 2009-04-03
    • Christopher Thomas HullJohn LattyakLawrence Arnold Lynch-Freshner
    • Christopher Thomas HullJohn LattyakLawrence Arnold Lynch-Freshner
    • G06F3/00G06F15/02G06F3/0483
    • G06F15/0291G06F3/0483G09G3/344G09G5/14G09G2310/04
    • A windowing system for an electronic device that uses an electronic paper display may include a compositor, a frame buffer, and a display controller manager. One or more applications running on the electronic device may request multiple changes to windows. The compositor may determine multiple update areas, where an update area indicates the smallest area of the electronic paper display that should be updated as a result of changes being made to a window. The update areas may be stored in the frame buffer. The display controller manager may create a cumulative update area based on the update areas that are determined between a begin update instruction and an end update instruction. The display controller manager may instruct a display controller to update only the portion of the display corresponding to the cumulative update area.
    • 使用电子纸显示器的电子设备的开窗系统可以包括合成器,帧缓冲器和显示控制器管理器。 在电子设备上运行的一个或多个应用可以请求对窗口的多个改变。 合成器可以确定多个更新区域,其中更新区域指示由于对窗口的改变而应当更新的电子纸显示器的最小区域。 更新区域可以存储在帧缓冲器中。 显示控制器管理器可以基于在开始更新指令和结束更新指令之间确定的更新区域来创建累积更新区域。 显示控制器管理器可以指示显示控制器仅更新与累积更新区域相对应的显示部分。
    • 30. 发明授权
    • Survivable network using reverse protection ring
    • 生存网络采用反向保护环
    • US5003531A
    • 1991-03-26
    • US392744
    • 1989-08-11
    • Anthony P. FarinholtJohn LattyakBlaine C. ReadlerJoseph F. Svacek, III
    • Anthony P. FarinholtJohn LattyakBlaine C. ReadlerJoseph F. Svacek, III
    • H04L1/22H04L12/437
    • H04L1/22H04L12/437
    • In a data communications network comprising a series of nodes connected by optical fiber links providing direct bidirectional communication between adjacent nodes, and communication between non-adjacent nodes in both directions through the same set of intermediate nodes, failure of a single link or of a single node is overcome by protection switching to a standby transmisison loop, including a standby link connecting the head end and tail end nodes of the series. The network provides survivability while also taking advantage of the ability of add/drop multiplexers to allow reuse of bandwidth. Rapid switchover to the protection loop is achieved by providing each node with the capability of detecting and responding to adjacent faults and, in normal operation, maintaining a high-speed by-pass path for the protection loop through all of the nodes except the head end node.
    • 在包括通过提供相邻节点之间的直接双向通信的光纤链路连接的一系列节点的数据通信网络中,以及通过同一组中间节点在两个方向上的非相邻节点之间的通信,单个链路或单个链路的故障 节点通过保护切换到备用传输环路来克服,包括连接该系列的头端和尾端节点的备用链路。 该网络提供了生存能力,同时也利用了添加/删除多路复用器的能力,以允许重用带宽。 通过为每个节点提供检测和响应相邻故障的能力,实现快速切换到保护环路,并且在正常操作中,通过除头端之外的所有节点保护用于保护环路的高速旁路路径 节点。