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.:

US 9375944 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 28, 2016

Filed:

Sep. 01, 2011
Applicant:

Kazutaka Yamamoto, Kanagawa, JP;

Inventor:

Kazutaka Yamamoto, Kanagawa, JP;

Assignee:

RICOH COMPANY, LTD., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M 7/00 (2006.01); B41J 2/32 (2006.01); B41J 2/47 (2006.01); B41J 2/475 (2006.01); B41M 5/30 (2006.01);
U.S. Cl.
CPC ...
B41J 2/32 (2013.01); B41J 2/473 (2013.01); B41J 2/4753 (2013.01); B41J 2202/37 (2013.01); B41M 5/305 (2013.01);
Abstract

A laser erasing apparatus includes a conveyance unit to move a reversible thermal recording medium having display information thereon at a predetermined moving speed, the reversible thermal recording medium reversibly changing a color tone thereof depending on a temperature; and a laser erasing unit configured to erase the display information by irradiating the reversible thermal recording medium with a laser beam while the reversible thermal recording medium is moving and by deflecting the laser beam at a predetermined scanning speed lower than the predetermined moving speed in a same direction as a moving direction of the reversible thermal recording medium.


Find Patent Forward Citations

Yamamoto, Kazutaka. (2016). Laser erasing apparatus and laser erasing method (U.S. Patent No. 9375944). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9375944

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