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. 24, 1998
Filed:
Feb. 21, 1997
Akira Akashi, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An equipment having a line of sight detection device includes a line of sight detection device for detecting a user's line of sight, a first detector for performing a focus detecting operation in a plurality of focus detection areas, a selector for selecting a specific focus detection area from among the plurality of focus detection areas on the basis of the line of sight detected by the line of sight detection device, a second detector for detecting any change in the focus state in the specific focus detection area at least from the result of the past focus detection in the specific focus detection area, and a determination device for determining a reliability of the specific focus detection area selected by the selecting device, on the basis of the change in the focus state detected by the second detector.