Audio and/or video signal transmission system, transmitting...

Interactive video distribution systems – Video distribution system with upstream communication – Server or headend

Reexamination Certificate

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Details

C725S048000, C725S049000, C725S059000, C725S133000, C725S153000, C348S555000, C348S556000, C348S558000

Reexamination Certificate

active

07934245

ABSTRACT:
In order to accurately display information on the format of different signals from respective different signal source apparatuses as an image, the output signals of analog signal sources are supplied through an interface, signal lines and other interfaces to an analog signal processing circuit. Also, output signals of digital signal sources and output signals of information generating circuits are synthesized by multiplexers and supplied to a demultiplexer through interfaces, buses and an interface. The signals from the separated signal sources are processed in a digital signal processing circuit. The signals from the separated generating circuits are supplied to an information processing circuit, so that an image corresponding to the information indicating the format of the apparatus and/or the output signal is formed, and is synthesized with the signals from the signal processing circuits to be supplied to a monitor.

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Office Action from Japanese Application No. 11-084329, dated Jul. 13, 2010.

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