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:
Sep. 03, 1996
Filed:
Nov. 07, 1994
Tsuneo Watanabe, Kawasaki, JP;
Yoshiharu Shiokama, Chiba-ken, JP;
Nikon Corporation, Tokyo, JP;
Abstract
A lens barrel mountable on a camera body includes a phototaking lens system, an absolute position detecting device for detecting the absolute position of the phototaking lens system in the axial direction, a phototaking distance data memory device for storing phototaking distance data corresponding to the absolute position of the phototaking lens system, an aberration data memory device for storing aberration data between a predetermined image plane and the actual image plane of the phototaking lens system, and a calculation device for correcting the phototaking distance data based on the aberration data, wherein the corrected phototaking distance data are transferred to the camera body.