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:
Jan. 12, 2010
Filed:
Jan. 08, 2008
Koichi Sugiura, Yokohama, JP;
Koichi Sugiura, Yokohama, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A photographic lens drive control apparatus according to the present invention includes a cap detection section which determines that a lens cap is attached to a lens barrel when a lens barrel movement detection section does not detect movement amount of the lens barrel while a lens barrel drive section allows the lens barrel to move from a contained position to a standby position; and a cap detection control section which performs a series of control over the lens barrel drive section to move the lens barrel from the contained position to the standby position and to stop the lens barrel from moving when the cap detection section determines that the lens cap is attached to the lens barrel, in which a cap detection area where the lens barrel moves from the contained position within a predetermined amount is set in a movement area of the lens barrel.