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. 19, 2008
Filed:
Sep. 28, 2005
Hajime Fukui, Suginami-ku, JP;
Hajime Fukui, Suginami-ku, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A focus-state detecting device, to which a removable lens unit is mounted, that includes, for example, a focus-state detection unit that detects a focus-adjusted state; a first acquisition unit that acquires information on chromatic aberration; a second acquisition unit that acquires information on spectral characteristics of a subject; a correction unit that corrects information on the focus-adjusted state which has been detected by the focus-state detection unit; and a control unit that repeats operations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile