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:
Feb. 27, 2001
Filed:
Apr. 20, 1999
Applicant:
Inventor:
Hiroshi Kanazawa, Saitama-ken, JP;
Assignee:
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 2/608 ;
U.S. Cl.
CPC ...
G02B 2/608 ;
Abstract
A scanning optical device is provided with a light source, a polygon mirror, and a beam detector which detects the beam reaching a predetermined position in the main scanning direction. The beam detector has at least one elongated light receiving surface. The beam detector is supported by an adjustable holder. The adjustable holder is rotatable that the longitudinal direction of the light receiving surface can be varied with respect to the main scanning direction.