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:
May. 29, 1984
Filed:
Feb. 26, 1982
Applicant:
Inventors:
Hideo Ikari, Tokyo, JP;
Michio Hirohata, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354477 ; 35419512 ;
Abstract
A camera having two built-in lenses with selective control of the focal length, wherein a first focal length is obtained by the first lens optical system and, after the first lens optical system has been moved along a lens axis without causing movement of a device for receiving light from an object to be photographed, the second lens optical system is moved to a composite position with the first lens optical system so that a second focal length is obtained by the first and second lens optical systems.
Ikari, Hideo. (1984). Camera having a plurality of built-in lenses (U.S. Patent No. 4451129). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4451129
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile