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:
Aug. 10, 1993
Filed:
Aug. 14, 1991
Shigeru Sasada, Kyoto, JP;
Abstract
An image scanning and recording method and apparatus for compensating for a pyramidal error of a rotating body having at least two reflective mirror surfaces by fine-adjusting an angle of a light beam incident on the rotating body. A scanning lens having a scanning characteristic of f.multidot.sin.theta. is provided on an optical path of the light beam reflected on the rotating body in such a manner that an optical axis of the scanning lens is substantially orthogonal to a rotating axis of the rotating body. The angle of the light beam incident on the rotating body is deflected by a deflecting device within a plane including the rotating axis and the optical axis for each reflective mirror surface based on an equation: