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:
Nov. 16, 2021
Filed:
May. 11, 2018
Applicant:
Sony Corporation, Tokyo, JP;
Inventors:
Isao Takahashi, Kanagawa, JP;
Satoko Asaoka, Kanagawa, JP;
Taichi Takeuchi, Kanagawa, JP;
Asuka Tejima, Kanagawa, JP;
Kentaro Kuriyama, Kanagawa, JP;
Mitsunari Hoshi, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M 7/00 (2006.01); B41J 2/475 (2006.01); B41M 5/30 (2006.01); B41M 5/34 (2006.01);
U.S. Cl.
CPC ...
B41M 7/0009 (2013.01); B41J 2/4753 (2013.01); B41M 5/30 (2013.01); B41M 5/34 (2013.01); B41J 2002/4756 (2013.01); B41M 2205/04 (2013.01); B41M 2205/38 (2013.01);
Abstract
An erasing unit according to an embodiment of the present disclosure is a unit that performs erasing of information written on a reversible recording medium. This erasing unit includes: a light source section including one or a plurality of laser devices; and a controller that controls the light source section to cause the light source section to emit a smaller number of laser light beams having emission wavelengths than the number of the recording layers included in the reversible recording medium.