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:
Jun. 30, 1998
Filed:
Apr. 23, 1997
Applicant:
Inventors:
Katsumi Shimada, Kanagawa-ken, JP;
Osamu Kuroda, Kanagawa-ken, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359205 ; 359206 ; 359207 ; 359216 ; 359662 ; 359793 ;
Abstract
An optical condenser system for a light scanning apparatus includes a first lens which is a single lens formed of plastic and a second lens which is a plano-convex lens formed of glass and convex toward the scanning surface. The first lens is concave toward a deflector of the light scanning apparatus and each side of the first lens is an aspheric surface defined by the following formula (6). The first and second lens satisfying the following formulae (1) to (5)