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:
May. 06, 1980
Filed:
Sep. 14, 1977
Kazuo Hoshito, Kawasaki, JP;
Hideaki Sato, Yokohama, JP;
Takashi Kitamura, Yokohama, JP;
Koichi Masegi, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An information formation apparatus for forming information on a beam-irradiated member by the use of a beam comprises beam generator-modulator for forming a beam modulated by information signals applied thereto, a deflector for deflecting the beam in accordance with a scan pass, an information formation member on which the beam deflected by the deflector is projected, the member having an information formation region on which information is formed by the beam, beam detector for detecting the intensity of the beam scanning the other portion of the information formation member than the information formation region and producing a detection signal corresponding to the beam intensity detected, and beam controller for controlling the intensity of the beam as it scans the information formation region of the information formation member.