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. 21, 2004
Filed:
Sep. 27, 1999
Applicant:
Inventor:
Shigeru Ogino, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 7/18 ;
U.S. Cl.
CPC ...
H04N 7/18 ;
Abstract
In an image input apparatus, a position detecting part is arranged to detect the positions of a variator lens group and a focusing-and-compensating lens group of a photo-taking optical system, and a CPU is arranged to compute the position coordinates and direction vector of an object for a predetermined pixel of an image pickup device on the basis of focal length data, front principal point position data and rear principal point position data prestored in a ROM according to the values of the positions of the lens groups detected by the position detecting part.