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 9855777 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 02, 2018

Filed:

Mar. 08, 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:
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 2/04565 (2013.01); G06F 21/62 (2013.01);
Abstract

A fluid ejection device includes a plurality of analog devices, and a storage element storing an authentication value including a plurality of bits, a first bit of the plurality of bits based on measured electrical characteristics of a first subset of the analog devices, and a second bit of the plurality of bits based on measured electrical characteristics of a second subset of the analog devices, the second subset different from the first subset.


Find Patent Forward Citations

Anderson, Daryl. (2018). Authentication value for fluid ejection device (U.S. Patent No. 9855777). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9855777

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…