Automatic brightness control apparatus for a monitor

Details Automatic brightness control apparatus for a monitor Automatic brightness control apparatus for a monitor

1995-09-15

1997-01-21

Burgess, Glenton B.

Television

Image signal processing circuitry specific to television

Brightness control

348673, 348678, H04N 5228, H04N 568

Patent

active

055963757

ABSTRACT:
Automatic brightness control apparatus for a monitor which can provide a high picture quality by properly adjusting the back raster's brightness in accordance with the picture's brightness produced on a screen. According to the apparatus, the back raster's brightness is lowered in a relatively bright picture state, while it is heightened in a relatively dark picture state.

REFERENCES:
patent: 3735029 (1973-05-01), Sunstein
patent: 3873767 (1975-03-01), Okada et al.
patent: 4947253 (1990-08-01), Neil
patent: 4982287 (1991-01-01), Lagoni

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