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:
Apr. 13, 2021
Filed:
Oct. 16, 2018
Applicant:
Electronics for Imaging, Inc., Fremont, CA (US);
Inventors:
Juan Escudero Gonzalez, Almazora, ES;
Eduardo Bueno Espinal, Almazora, ES;
Assignee:
ELECTRONICS FOR IMAGING, INC., Fremont, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01); B41J 2/19 (2006.01);
U.S. Cl.
CPC ...
B41J 2/17566 (2013.01);
Abstract
Disclosed are high stability ink delivery system systems and methods for their use, in which a secondary reservoir is placed upstream of a printhead. The secondary reservoir can be opened to the atmosphere through a valve, such as based on the reading of a pressure sensor placed at a point before the printhead. The purpose of this valve is to open the secondary reservoir to the atmosphere when the pressure sensor indicates that the secondary reservoir can be open while avoiding air aspiration, and closing it when this condition is not satisfied.