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:
Dec. 09, 1997
Filed:
Apr. 20, 1995
Applicant:
Inventors:
Akira Yamada, Yokohama, JP;
Keiji Nagata, Yokohama, JP;
Yoshiaki Irie, Yokohama, JP;
Akihiko Nagano, Ichihara, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
396 51 ; 396292 ; 396299 ;
Abstract
A sight line detecting device includes a controller operable in a sight line information using mode for controlling an optical apparatus for use in accordance with sight line information, and usable in a sight line information prohibiting mode for controlling the apparatus without using the sight line information. A selector selects either mode for controlling the optical apparatus.