Appeal No. 2004-0547
Application No. 09/536,894
Claim 1 is representative of the invention:
1. A video phone system comprising:
a base video unit having a video display screen, a microphone, and a
speaker;
at least two remote video units that selectively provide audio and video
signals to said base video unit;
a multiplexer associated with said base video unit, said multiplexer unit
capable of being controlled by a caller for selecting a selected one of said audio
and video signals from said at least two remote units or said base video unit,
such that upon a selection input from said caller, said selected one of said audio
and video signals is automatically routed through said base video unit to said
caller without the need for human intervention; and
a first circuit for allowing the base video unit and the selected one of said
remote video units to electronically communicate with a standard external
telephone line, said first circuit adapted for routing said selected one of said
audio and video signals out through said standard external telephone line,
further wherein the base video unit and the remote video unit both include a
communication means for allowing the base video unit and the remote video unit
to electronically communicate with one another.
References
Mun et al. (Mun) 6,094,213 July 25, 2000
(filed April, 13, 1998)
Gerszberg et al. (Gerszberg) 6,020,916 Feb. 1, 2000
(filed Dec. 31, 1997)
Ratner 5,684,826 Nov. 4, 1997
Yamadera et al. (Yamadera) 5,444,477 August 22,1995
Lazik 5,237,602 August 17, 1993
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