Patents by Inventor R. Mark O'Barr

R. Mark O'Barr 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).

  • Apparatus and method for modem wake-up with autobaud function
    Patent number: 5631952
    Abstract: An apparatus and method for a data communications device, such as a modem, having a sleep mode for conserving energy and an operational mode for data transmission, to transition from the sleep mode to the operational mode. The wake up method and apparatus respond to the receipt of serial data from a terminal, including response to existing terminal commands. The wake up method and apparatus also autobauds to the serial data transmit signal. The wake up and autobauding operations occur in a way that are transparent to the user.
    Type: Grant
    Filed: October 18, 1994
    Date of Patent: May 20, 1997
    Assignee: Motorola, Inc.
    Inventors: R. Mark O'Barr, Lisa R. East, Mark Butler