Patents by Inventor Peter Le Chevallier

Peter Le Chevallier has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Logic circuitry packages for replaceable print apparatus components
    Patent number: 12182281
    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.
    Type: Grant
    Filed: April 26, 2022
    Date of Patent: December 31, 2024
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Jefferson P. Ward, Jesse Otto Sutherland, III, Peter Le Chevallier
  • LOGIC CIRCUITRY PACKAGES FOR REPLACEABLE PRINT APPARATUS COMPONENTS
    Publication number: 20230020478
    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.
    Type: Application
    Filed: April 26, 2022
    Publication date: January 19, 2023
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Jefferson P. Ward, Jesse Otto Sutherland, III, Peter Le Chevallier