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:
Jun. 16, 2009
Filed:
Jan. 26, 2005
Kunio Yata, Saitama, JP;
Kunio Yata, Saitama, JP;
Fujinon Corporation, Saitama-shi, JP;
Abstract
The present invention provides an autofocus system for controlling the focus of a taking lens by specifying a subject to be autofocused within an AF area, which is part of the field of view of a camera, and automatically focusing on the subject, comprising: a target subject specifying device which specifies a target subject to be focused, a target subject movement detection device which detects the movement of the target subject specified by the target subject specifying device, within the field of view, and an AF-area altering device which alters the extent of the AF area to track the movement of the target subject detected by the target subject movement detection device.