TELEVISION CAMERA FOR SUVEILLANCE IN CONDITIONS OF COMPLEX ILLUMINATION AND/OR COMPLEX BRIGHTNESS OF OBJECTS Russian patent published in 2009 - IPC H04N5/225 

Abstract RU 2362275 C1

FIELD: electronic engineering.

SUBSTANCE: invention relates to television cameras which work in conditions of complex illumination and/or complex brightness of objects, when in the field of vision there can be strong and weakly illuminated objects and/or objects with sharp difference in brightness at the same time. The technical outcome of the invention is achieved due to that, the television camera includes a frame delay unit, second comparator, OR element and an AND element.

EFFECT: wider dynamic range for tone gradation of the image created by the television camera, independent of spatial distribution in the field of vision of objects with sharp difference of illumination or brightness.

2 cl, 5 dwg, 2 tbl

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RU 2 362 275 C1

Authors

Smelkov Vjacheslav Mikhajlovich

Dates

2009-07-20Published

2007-11-23Filed