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:
Mar. 25, 1997
Filed:
Nov. 01, 1994
Applicant:
Inventor:
Shinichi Matsuyama, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
396 77 ; 396128 ;
Abstract
An optical apparatus includes an image pickup part arranged to convert a light flux representative of an object image into an image signal, a detecting part arranged to detect information on the object image by using the image signal, a discriminating part arranged to discriminate the size of a main object by using the information on the object image detected by the detecting part, and a deciding part which decides, on the basis of a discrimination made by the discriminating part, a focal length of an optical system to be changed.
Matsuyama, Shinichi. (1997). Optical apparatus with image area sensors for controlling lens focal (U.S. Patent No. 5615398). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5615398
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile