Appeal No. 2001-2307
Application No. 08/791,266
BACKGROUND
The disclosed invention relates to a computer workstation running video
conferencing applications. The workstation includes support modules for capturing,
sending, and receiving video signals in different formats. Claim 1 is reproduced below.
1. A first computer workstation for providing direct peer to peer
communications with a second computer workstation or terminal over a digital
communication link without requiring intervention of a central control facility, said
first workstation comprising:
means for receiving a video signal generated by associated means for
generating a video signal, wherein said video signal may have bandwidth greater
than the bandwidth of the communication link connecting said first computer
workstation and said second workstation;
a first video subsystem comprising means for converting the generated
video signal into a first predetermined data format, said processing including
compressing the generated video signal, such that it must be decompressed
before it can be subsequently displayed;
a second video subsystem comprising means for converting the
generated video signal into a second predetermined data format for
transmission; and
automatic means for selecting either the video signal in the first or the
second predetermined data format for transmission; and
means for transmitting the video signal in the selected data format to said
second computer workstation or terminal on said digital communications link.
The examiner relies on the following references:
Eppley et al. (Eppley) 4,941,845 Jul. 17, 1990
Press et al. (Press) 5,127,048 Jun. 30, 1992
(filed Jul. 16, 1990)
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