Tone correcting system for a display

Details Tone correcting system for a display Tone correcting system for a display

1995-09-12

1999-07-27

Mengistu, Amare

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

358456, 358298, 348674, G09G 500, H04N 140

Patent

active

059298359

ABSTRACT:
An A/D converter is provided for converting input video signal to a tone control unit is provided to produce a control signal a value of which increases non-linearly with respect to an input value. A modulator is provided for generating a driving signal for driving a display panel. The driving signal is modulated in dependence on the tone data and the control signal.

REFERENCES:
patent: 4468693 (1984-08-01), Fujita et al.
patent: 4716462 (1987-12-01), Wargo et al.
patent: 5189441 (1993-02-01), Fukui et al.
patent: 5257108 (1993-10-01), Muraoka
patent: 5280348 (1994-01-01), Honma et al.
patent: 5371612 (1994-12-01), Sakamoto
patent: 5455682 (1995-10-01), Ikuta

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