METHOD FOR EXTENDING DYNAMIC RANGE OF LUMINOUS GRADATION AND/OR ILLUMINATION INTENSITY IN TELEVISION SYSTEM Russian patent published in 2003 - IPC

Abstract RU 2199827 C2

FIELD: television engineering. SUBSTANCE: entire illumination range is instrumentally divided into several parallel conversion channels; self-descriptiveness of various sections of entire luminance and/or illumination range of object and light- signal conversion transconductance of separate channels are varied. Each light-signal converter has illumination range shifting device. Total dynamic range of all channels of conversion chain equals luminance and/or illumination range of object so that natural illumination range can be recovered with desired quantity of luminance gradations. EFFECT: facilitated monitoring of objects having too large illumination range. 1 dwg

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RU 2 199 827 C2

Authors

Vilenchik L.S.

Goncharenko B.G.

Kurkov I.N.

Razin A.I.

Rozval Ja.B.

Dates

2003-02-27—Published

2000-08-24—Filed