Patents by Inventor Michael D. Pulsipher

Michael D. Pulsipher 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).

  • Emergency locating system and method using spread-spectrum transceiver
    Patent number: 8183999
    Abstract: An emergency locating system can include emergency transceivers and locator transceivers. The emergency transceivers can be capable of transmission of spread-spectrum encoded messages, and can be actuated by a user to send a distress message. A locator transceiver can be capable of receiving the distress messages and performing two-way ranging to determine a distance between the locator transceiver and the emergency transceiver.
    Type: Grant
    Filed: January 7, 2009
    Date of Patent: May 22, 2012
    Assignee: L-3 Communications, Corp.
    Inventors: Thomas R. Giallorenzi, Eric K. Hall, Michael D. Pulsipher, Kyle L. Henderson, Kent M. Erickson, Marc J. Russon
  • Low probability of detection emergency signaling system and method
    Patent number: 7944351
    Abstract: An emergency locating system can include emergency transceivers and rescue transceivers. The emergency transceivers can be capable of repeat transmission of a distress message using a variable power level and variable spreading factor. A receive transceiver can be capable of receiving the distress messages and sending a confirmation message to the emergency transceiver. The emergency transceiver can be capable of receiving the confirmation message and terminating transmission of the distress message.
    Type: Grant
    Filed: January 7, 2009
    Date of Patent: May 17, 2011
    Assignee: L-3 Communications Corp.
    Inventors: Thomas R. Giallorenzi, Eric K. Hall, Michael D. Pulsipher, Marc J. Russon