Unified program guide interface

Details Unified program guide interface Unified program guide interface

H - Electricity

04

N

H04N 7/035 (2006.01) H04N 7/01 (2006.01) H04N 7/088 (2006.01) H04N 5/00 (2006.01) H04N 5/44 (2006.01) H04N 5/445 (2006.01)

Patent

CA 2156871

Analog and digital video signals are each representative of a picture and each may carry program guide information. A demultiplexer has the digital video signal as an input and the program guide information as an output. A demodulator has at least a luminance component of the analog video signal as an input and the program guide information as an output. A microprocessor, a video graphics adapter, the demultiplexer and the demodulator are interconnected by a data bus. Either of the program guide outputs is transferable to the video graphics adapter, which formats a graphics video signal representative of the program guide information. The graphics video signal and a selected one of the video signals are inputs to a multiplexes, which outputs a combined video signal representative of both the program guide information and the picture represented by the selected video signal.

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