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:
Jan. 28, 1997
Filed:
Apr. 20, 1995
Applicant:
Inventor:
Shingo Hayakawa, Kanagawa-ken, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359557 ; 359554 ;
Abstract
A photographic lens system having an image stabilizing function is disclosed, comprising, from front to rear, a first lens unit of positive refractive power and a second lens unit of negative refractive power, the second lens unit having a front lens sub-unit of negative refractive power and a rear lens sub-unit of positive refractive power, the first lens unit being moved axially to effect focusing, the front lens sub-unit being moved in directions perpendicular to an optical axis to correct the shake of an image at the focal plane, and the following conditions being satisfied: