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:
Aug. 16, 2005
Filed:
Apr. 26, 2002
Hiroto Ohkawara, Toride, JP;
Hiroto Ohkawara, Toride, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A video camera system having a camera () and an interchangeable lens assembly () attachable to and detachable from the camera. A distance measurement frame is set by a distance measurement frame controller () on photographer's line-of-sight position information detected by line-of-sight detecting units (to), and a focal-point evaluation value is extracted by an AF signal processing circuit () from an image signal corresponding to the distance measurement frame. The line-of-sight position information, focal-length evaluation value, etc, are transmitted to the lens assembly (). A zoom lens () and focusing lens () are controlled by the lens assembly ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile