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. 30, 2018
Filed:
Nov. 27, 2017
Applicant:
Hewlett-packard Development Company, L.p., Houston, TX (US);
Inventors:
Daryl E. Anderson, Corvallis, OR (US);
Huston W. Rice, Vancouver, WA (US);
Eric T. Martin, Corvallis, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01); B41J 29/38 (2006.01); G06F 21/62 (2013.01);
U.S. Cl.
CPC ...
B41J 29/38 (2013.01); B41J 2/0458 (2013.01); B41J 2/04535 (2013.01); B41J 2/04565 (2013.01); B41J 2/04586 (2013.01); G06F 21/62 (2013.01); B41J 2202/17 (2013.01);
Abstract
A fluid ejection device includes a plurality of analog devices, and a storage element storing an authentication value based on electrical characteristics of a subset of the plurality of analog devices.