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:
Aug. 16, 2011
Filed:
Dec. 17, 2008
Applicants:
Kuniyoshi Kobayashi, Osaka, JP;
Masahiro Murakami, Kyoto, JP;
Osafumi Moriya, Osaka, JP;
Inventors:
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lens position detecting device includes a lens, a lens driver for moving the lens in the optical axis direction, a lens drive command unit for outputting a drive command to the lens driver, a position detector for detecting that the lens is located at a predetermined position, and a first reference position detector that moves the lens to a first position upon starting a detecting operation, receives an output signal from the position detector while moving the lens in one direction along the optical axis direction from the first position, and detects a reference position of the lens based on the output signal.