Television – Basic receiver with additional function
Patent
1996-12-19
2000-04-25
Britton, Howard
Television
Basic receiver with additional function
348564, H04N 544, H04N 545, H04N 5445
Patent
active
060550236
ABSTRACT:
Television apparatus includes first and second auxiliary data decoders for simultaneously extracting auxiliary data from respective first and second television signals to produce first and second auxiliary data. The data decoders can selectably extract data from one or more auxiliary data intervals, e.g., one or more line intervals during vertical blanking within a television signal. The first and second auxiliary data is coupled to a controller such as the main microprocessor of the television system. The second auxiliary data is coupled to the controller via an auxiliary data buffer and an I.sup.2 C serial data bus. The television signal from which the second auxiliary data is extracted can be provided by a second television signal source such as a second tuner or an external signal source (e.g., video cassette recorder, video disk player, and the like).
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PCT International Search Report dated Mar. 19, 1998.
Forler Joseph Wayne
Maze Kenneth Wayne
Rumreich Mark Francis
Britton Howard
Emanuel Peter M.
Shoneman David T.
Thomson Consumer Electronics
Tripoli Joseph S.
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