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:
Oct. 03, 2017
Filed:
Oct. 06, 2016
Applicant:
Hewlett-packard Development Company, L.p., Houston, TX (US);
Inventors:
Assignee:
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01); B41J 2/165 (2006.01); B41J 2/045 (2006.01); B41J 2/14 (2006.01);
U.S. Cl.
CPC ...
B41J 2/165 (2013.01); B41J 2/0458 (2013.01); B41J 2/04541 (2013.01); B41J 2/1404 (2013.01); B41J 2/14129 (2013.01); B41J 2/1753 (2013.01); B41J 2/17546 (2013.01); B41J 2/17566 (2013.01); B41J 2002/14354 (2013.01); B41J 2002/17579 (2013.01);
Abstract
In an embodiment, a fluid ejection device includes an ink slot formed in a printhead die. The fluid ejection device also includes a printhead-integrated ink level sensor (PILS) to sense an ink level of a chamber in fluid communication with the slot, and a clearing resistor circuit disposed within the chamber to clear the chamber of ink.