US 7,475,322 B2
Wireless broadcast protocol
Iain Huntly-Playle, La Jolla, Calif. (US); C. David Covington, Fayetteville, Ak. (US); Charles Lally, Vista, Calif. (US); Sheng Li, San Diego, Calif. (US); and Richard L. Moore, Escondido, Calif. (US)
Assigned to Avocent Huntsville Corporation, Huntsville, Ala. (US)
Filed on Sep. 23, 2004, as Appl. No. 10/947,164.
Claims priority of provisional application 60/519610, filed on Nov. 14, 2003.
Prior Publication US 2005/0108614 A1, May 19, 2005
Int. Cl. G08C 25/02 (2006.01); H04L 1/18 (2006.01); H04L 1/14 (2006.01); H03M 13/00 (2006.01)
U.S. Cl. 714—748  [714/749; 714/750; 714/751] 6 Claims
OG exemplary drawing
 
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.