Patents by Inventor Rijo Varghese

Rijo Varghese 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).

  • Method for synchronizing clocks of at least two devices
    Patent number: 11740652
    Abstract: A method for synchronizing clocks of at least two devices in a distributed network of a vehicle, comprising: establishing unencrypted communication between the at least two devices to determine a temporal difference between the clocks of the two devices, exchanging messages between the at least two devices via the unencrypted communication, ascertaining a temporal difference between the clocks of the at least two devices using the messages, establishing encrypted communication between the at least two devices to authenticate the exchange of messages, authenticating the messages that were used to ascertain the temporal difference, using the ascertained temporal difference, when the authentication of exchanged messages has been completed successfully.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: August 29, 2023
    Assignee: VOLKSWAGEN AKTIENGESELLSCHAFT
    Inventors: Arul Matheswaran, Jürgen Elberich, Rijo Varghese
  • Method For Synchronizing Clocks Of At Least Two Devices
    Publication number: 20220179447
    Abstract: A method for synchronizing clocks of at least two devices in a distributed network of a vehicle, comprising: establishing unencrypted communication between the at least two devices to determine a temporal difference between the clocks of the two devices, exchanging messages between the at least two devices via the unencrypted communication, ascertaining a temporal difference between the clocks of the at least two devices using the messages, establishing encrypted communication between the at least two devices to authenticate the exchange of messages, authenticating the messages that were used to ascertain the temporal difference, using the ascertained temporal difference, when the authentication of exchanged messages has been completed successfully.
    Type: Application
    Filed: December 7, 2021
    Publication date: June 9, 2022
    Applicant: Volkswagen Aktiengesellschaft
    Inventors: Arul Matheswaran, Jürgen Elberich, Rijo Varghese