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:
Mar. 16, 1993
Filed:
Oct. 23, 1989
Applicant:
Inventor:
Akira Morimoto, Tokyo, JP;
Assignee:
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359212 ; 359217 ; 359219 ; 359618 ; 250235 ; 346108 ;
Abstract
A light scanning apparatus is disclosed having: a light source portion, a correction deflecting element for finely deflecting a light beam emitted by the light source portion in an auxiliary scanning direction, a scan deflector for deflecting the light beam from the correction deflecting element in a principal scanning direction, a lens system disposed between the correction deflecting element and the scan deflector and adapted to bring both of them in an optically conjugate relation, and a scanning lens for imaging the light beam deflected by the scan deflector onto a scanning surface.