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Wireless broadcast protocol

  • US 7,475,322 B2
  • Filed: 09/23/2004
  • Issued: 01/06/2009
  • Est. Priority Date: 11/14/2003
  • Status: Expired due to Fees
First Claim
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1. In a keyboard-video-mouse (“

  • KVM”

    ) system in which a target computer may be wirelessly accessed by a plurality of remote stations, a method comprising, by the target computer;

    (A) obtaining a frame of video data;

    (B) transmitting packets for the frame;

    (C) transmitting a query packet requesting at least some of said plurality of remote stations to provide a list of packets that need to be resent;

    (D) obtaining from each of at least two of the remote stations, a list of one or more packets that need to be resent, wherein the list of packets from a particular remote station identifies packets missed by that particular remote station;

    (E) removing duplicates from the lists of packets that need to be resent; and

    then(F) resending at least some of the requested packets.

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