The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 18, 2006
Filed:
Oct. 09, 2001
Applicant:
Takaaki Hashimoto, Kanagawa, JP;
Inventor:
Takaaki Hashimoto, Kanagawa, JP;
Assignee:
PENTAX Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/225 (2006.01); H04N 5/238 (2006.01);
U.S. Cl.
CPC ...
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.