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:
Dec. 31, 1985
Filed:
May. 08, 1981
Applicant:
Inventors:
Keiji Kataoka, Kawagoe, JP;
Susumu Saito, Hachioji, JP;
Akira Arimoto, Musashimurayama, JP;
Akira Hashimoto, Ome, JP;
Kimio Tatsuno, Kokubunji, JP;
Assignees:
Hitachi, Ltd., Tokyo, JP;
Hitachi Koki Co, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350-68 ;
Abstract
An optical system provided with a single optical scanner for separating a plurality of laser beams from each other and for leading the separated laser beams to different recording materials to record information thereon is disclosed in which cylindrical lenses are provided in front of the recording materials in such a manner that a predetermined number of ones among the laser beams pass through the cylindrical lenses, respectively.