TELEVISION CAMERA FOR OBSERVATION UNDER CONDITIONS OF COMPLICATED LIGHTING AND/OR COMPLICATED BRIGHTNESS OF OBJECTS Russian patent published in 2007 - IPC H04N5/225 G08B13/196 

Abstract RU 2305376 C1

FIELD: television cameras, working under conditions of complex lighting and/or complex brightness of objects, when simultaneously strongly and weakly lit objects and/or objects with sharp difference in brightness may be in camera field of view.

SUBSTANCE: components of combined image are formed in charge form on targets of first and second television sensors with various exposition times, optimal for each one of transferred scene fragments. Due to that, in output image of television camera, bright and light parts are transferred same as in prototype, without limitation of white, while dark and/or low light parts are transferred with high signal/noise ratio, and dynamic range of brightness degrees is therefore extended.

EFFECT: extended dynamic range of brightness degrees for control objects, transferred in combined image outside the "window" due to increase of signal/noise ratio for dark and/or low light parts of objects.

6 cl, 4 dwg

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RU 2 305 376 C1

Authors

Smelkov Vjacheslav Mikhajlovich

Dates

2007-08-27Published

2006-01-16Filed