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. 19, 2002
Filed:
Sep. 23, 1996
Applicant:
Inventor:
Kenji Kyuma, Soka, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/225 ;
U.S. Cl.
CPC ...
H04N 5/225 ;
Abstract
In an interchangeable lens type camera system composed of an interchangeable lens unit and a camera body and having an optical zooming process and an electronic zooming process, information about inhibition or permission of the electronic zooming process is transmitted from the lens unit to the camera body, and information about the stoppage or moving direction of a zoom lens is transmitted from the camera body to the lens unit, so that a switching between the optical zooming process and the electronic zooming process is smoothly carried out.