Patents by Inventor Calin CIMPEAN

Calin CIMPEAN 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).

  • COMMUNICATION METHOD FOR A TOLLING SYSTEM COMPRISING A SERVER AND AT LEAST ONE ON-BOARD-UNIT
    Publication number: 20150228126
    Abstract: A communication method for a tolling system having a server and at least one on-board-unit includes: predefining a message communication protocol comprising a predefined set of messages to be transmitted between the server and the on-board-unit; initializing a message format for each of the messages, the message format comprising a fixed length part and a variable length part with at least one status table; and assigning a multilevel security using at least two security levels attached to the messages and granted to the server and/or the on-board-unit.
    Type: Application
    Filed: February 9, 2015
    Publication date: August 13, 2015
    Inventors: Calin CIMPEAN, Doru ALDEA-UNGUREAN