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. 16, 2021
Filed:
Apr. 17, 2018
Applicant:
Sony Corporation, Tokyo, JP;
Inventors:
Kenichi Kurihara, Kanagawa, JP;
Aya Shuto, Kanagawa, JP;
Nobukazu Hirai, Kanagawa, JP;
Yuki Oishi, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/455 (2006.01); B41M 7/00 (2006.01);
U.S. Cl.
CPC ...
B41M 7/0009 (2013.01); B41J 2/455 (2013.01);
Abstract
An optical apparatus according to an embodiment of the present disclosure is an apparatus that performs one or both of writing and erasing of information with respect to a reversible recording medium. This optical apparatus includes a plurality of laser devices varying in emission wavelength in a near infrared region (700 nm to 2500 nm), an optical system that multiplexes laser beams outputted from the plurality of laser devices, and a scanner unit that scans a multiplexed light beam obtained by multiplexing by the optical system, on the reversible recording medium.