Television receiver with switchable chrominance signal filter

Details Television receiver with switchable chrominance signal filter Television receiver with switchable chrominance signal filter

1992-09-16

1994-03-29

Powell, Mark R.

Television

Image signal processing circuitry specific to television

Color television signal processing

348708, 348607, 348711, H04N 964, H04N 974

Patent

active

052989828

ABSTRACT:
A fixed filter determines a lower portion of the amplitude characteristic of a chrominance signal sideband correction filter. A variable filter determines the upper portion of the amplitude characteristic. A control signal tunes the variable filter for providing a symmetrical response for video signals having balanced color sidebands and tunes the variable filter for providing an asymmetrical response for video signals having unbalanced sidebands.

REFERENCES:
patent: 3969762 (1976-07-01), Favreau
patent: 4603353 (1986-07-01), Henson
patent: 4616252 (1986-10-01), Schiff
patent: 4620220 (1986-10-01), Naimpally et al.
patent: 4651196 (1987-03-01), Harwood et al.
patent: 4907073 (1990-03-01), Sugiyama
patent: 4935807 (1990-06-01), Sendelweck
patent: 4963958 (1990-10-01), Sendelweck
patent: 4963979 (1990-10-01), Sendelweck
patent: 5107341 (1992-04-01), Sendelweck et al.

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