Variable bandwidth luminance filter with commonly tuned delay an

Details Variable bandwidth luminance filter with commonly tuned delay an Variable bandwidth luminance filter with commonly tuned delay an

1992-09-16

1994-08-16

Powell, Mark R.

Television

Image signal processing circuitry specific to television

Color television signal processing

H04N 964

Patent

active

053391152

ABSTRACT:
A luminance signal filter for use in a multi-source television receiver, includes a tunable filter responsive to a bandwidth control input signal for determining the bandwidth of luminance signals applied to said filter and a variable delay circuit inversely responsive to said bandwidth control input signal for providing a substantially uniform overall delay for said luminance signal filter.

REFERENCES:
patent: 3924266 (1975-12-01), Harwood
patent: 3969762 (1976-07-01), Favreau
patent: 4472733 (1984-09-01), Bolger
patent: 5032900 (1991-07-01), Sendelweck
patent: 5107341 (1992-04-01), Sendelweck et al.
European Search Report dated Dec. 6, 1993 for EP 93114206.1.

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