Diaphragm device of a television camera lens for a CCTV surveillance camera
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 18, 2006
Grant Date -
Apr 18, 2002
app pub date -
Oct 9, 2001
filing date -
Oct 13, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A diaphragm device of a lens for a CCTV camera includes a lens barrel, a diaphragm, a base plate which supports the diaphragm, a diaphragm driver for driving the diaphragm to adjust a size of an aperture formed by the diaphragm, an optical filter, and a filter driver for moving the optical filter into and out of an optical path of the lens; wherein each of the diaphragm and the optical filter lies on a corresponding surface of the base plate. The diaphragm, the base plate, the diaphragm driver, the optical filter, and the filter driver are provided in the lens barrel.
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