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    • 1. 发明申请
    • AIRCRAFT IN-FLIGHT ENTERTAINMENT SYSTEM WITH ROBUST DAISY-CHAINED NETWORK
    • 具有可靠的大连网络的飞机飞行娱乐系统
    • WO2013165696A1
    • 2013-11-07
    • PCT/US2013/037136
    • 2013-04-18
    • THALES AVIONICS, INC.
    • COULEAUD, Jean-YvesBRADY, Kenneth A. Jr.
    • H04N7/18H04N7/10
    • H04N21/41422H04H20/62H04N21/436H04N21/4385H04N21/4436
    • An aircraft in-flight entertainment system includes a plurality of seat electronic units (SEUs) that are daisy chained through a packet data network (PDN) loop to a content server containing media content. The SEU includes a power supply, a communication switch, a processor, a communication interface, and a power control circuit. The power supply supplies power to the communication switch, the processor, and the communication interface. The communication switch selectively routes packets containing media content through the processor and the communication interface to the video display unit, or through a segment of the PDN loop to a downstream electronic unit. The power control circuit responds to the power supply supplying less than a threshold level of power by supplying power to the communication switch from the segment of the PDN loop connected to the upstream electronic unit and/or the downstream electronic unit.
    • 航空器飞行娱乐系统包括通过分组数据网络(PDN)循环链接到包含媒体内容的内容服务器的多个座位电子单元(SEU)。 SEU包括电源,通信开关,处理器,通信接口和功率控制电路。 电源为通信交换机,处理器和通信接口供电。 通信交换机通过处理器和通信接口选择性地将包含媒体内容的分组路由到视频显示单元,或者通过PDN环路的一段路由到下游电子单元。 电力控制电路通过从连接到上游电子单元和/或下游电子单元的PDN环路的段向通信交换机供电来响应提供小于阈值电平的电力供应。