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, 1993
Filed:
Dec. 11, 1991
Applicant:
Inventor:
Donald DeJager, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359758 ; 359740 ;
Abstract
A high aperture finite conjugate lens suitable for use in applications requiring high numerical aperture on both object and image sides of the lens such as in a laser thermal printer system. The lens system has six lens components, the first lens component is identical to the sixth lens component but is reversed in orientation; and the third lens component is identical to the fourth lens component, but is reversed in orientation.