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:
Jan. 28, 2025
Filed:
Mar. 01, 2023
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Shinichi Arazaki, Fujimi-Machi, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01); B41J 2/21 (2006.01); B41J 2/14 (2006.01);
U.S. Cl.
CPC ...
B41J 2/0451 (2013.01); B41J 2/04581 (2013.01); B41J 2/2114 (2013.01); B41J 2/2142 (2013.01); B41J 2/04593 (2013.01); B41J 2002/14354 (2013.01); B41J 2202/21 (2013.01);
Abstract
A printing apparatus includes a first printing unit including a plurality of nozzles configured to eject ink onto a medium, a second printing unit configured to perform printing on the medium using a special liquid, a defective nozzle detector configured to detect a defective nozzle among the plurality of nozzles, and a control unit configured to control the first printing unit and the second printing unit. The special liquid is a liquid rendered invisible depending on an elapsed time after printing on the medium or an environment in which a printed result on the medium is visually recognized.