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. 18, 1986
Filed:
Jun. 15, 1983
Kazuo Minoura, Yokohama, JP;
Masamichi Tateoka, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
This specification discloses a plural-beam scanning apparatus in which the directions of light emission of light-emitting portions such as semiconductor lasers or light-emitting diodes are determined so that the central rays of light beams emitted from the light-emitting portions are emitted as if they originate from or pass through substantially the same point as viewed from a direction perpendicular to the deflection scan plane and which has a deflector for deflecting a plurality of light beams from the light source unit at one time and optical means for making said same point and a point near the deflecting-reflecting surface of the deflector optically conjugate.