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:
Oct. 22, 1996
Filed:
Jul. 05, 1994
Applicant:
Inventor:
Keisuke Aoyama, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
396123 ; 396 99 ; 396121 ;
Abstract
A focus detecting apparatus detecting focus to a plurality of areas receives outputs from a plurality of sensors. A processing circuit evaluates the plurality of output signals from the respective plurality of sensors, and independently evaluates whether or not each of the output signals fulfills each of a plurality of predetermined judgement conditions. A selection circuit (i) determines the total number of judgement conditions fullfilled by each of the output signals, (ii) selects the output from one of the plurality of sensors on the basis of the determination.