Patent ID: 7075544

Claim:
A thin client/server network image processing system, comprising: a plurality of thin clients; and a server executing respective applications in response to respective requests of respective thin clients and transmitting respective results of executing the respective applications to the respective requesting thin clients through a network, the server including a hardware acceleration card which: accelerates rendering of respective graphic signals to be further processed at the request of the respective thin clients, encodes the rendered graphic signal and a video signal linked to the graphic signal for each respective thin client, and provides the respective encoded graphic signals and corresponding linked respective video signals to the server for transmission to the respective requesting thin clients, wherein, the hardware acceleration card comprises: a memory including a plurality of predetermined areas, each predetermined area independently allocated to one of the respective requesting thin clients, storing the respective rendered graphic signal and the video signal linked to the rendered graphic signal for the one respective thin client, and outputting the respective graphic and video signals, and an encoder which encodes the graphic and video signals output from the memory, and the encoder encodes a changed part of each rendered graphic and video signal based upon comparing the output graphic and video signals with previous graphic and video signals.