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.

Date of Patent:
Dec. 31, 2024

Filed:

Apr. 26, 2022
Applicant:

Hewlett-packard Development Company, L.p., Spring, TX (US);

Inventors:

Jefferson P. Ward, Vancouver, WA (US);

Jesse Otto Sutherland, III, Vancouver, WA (US);

Peter Le Chevallier, Vancouver, WA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/44 (2013.01); G03G 15/00 (2006.01); G03G 15/08 (2006.01); G03G 21/18 (2006.01); G06F 21/60 (2013.01);
U.S. Cl.
CPC ...
G06F 21/608 (2013.01); G03G 15/0863 (2013.01); G03G 21/1882 (2013.01); G03G 21/1892 (2013.01); G06F 21/44 (2013.01);
Abstract

A logic circuitry package for a replaceable print apparatus component includes a logic circuit and an interface to communicate with a print apparatus logic circuit. The logic circuit is configured to include a plurality of personalities, each personality of the plurality of personalities including an ID and a cryptographic key. The logic circuit is further configured to start a cryptographic session with the print apparatus logic circuit using a selected personality of the plurality of personalities, and transmit a consumable level value to the print apparatus logic circuit in response to a request from the print apparatus logic circuit independent of which personality of the plurality of personalities is the selected personality.


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