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:
Feb. 21, 2012
Filed:
Mar. 31, 2010
Kunio Yata, Saitama, JP;
Kunio Yata, Saitama, JP;
Fujinon Corporation, Saitama-shi, JP;
Abstract
An autofocus system includes an image pickup unit that takes a subject image formed by an optical system; an autofocus unit that performs focus adjustment on the optical system so as to bring into focus a subject within a predetermined AF area in a photographing image taken by the image pickup unit; a tracking unit that moves an AF frame, which indicates an outline of the AF area, in accordance with the movement of the subject within the photographing image taken by the image pickup unit; a face direction detection unit that detects a face direction of the subject from the photographing image; a face direction registration unit that registers the face direction of the subject together with coordinates which represent a position of the AF frame in the photographing image; a face direction comparing unit that compares the detected face direction of the subject with the registered face direction.