Patents by Inventor Robert W. Billings

Robert W. Billings 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).

  • Device and method for alert and density altitude features in a transponder
    Patent number: 7009553
    Abstract: A transponder having a subsystem for providing an altitude alert function signifying a deviation from a set altitude is described. The subsystem includes an input for receiving an altitude deviation limit associated with the set altitude, a CPU receiving updated altitude and determining a difference between the updated altitude and the set altitude associated with the altitude deviation limit, and a transponder subsystem output device for providing the difference between the updated altitude and the set altitude to a user.
    Type: Grant
    Filed: February 7, 2005
    Date of Patent: March 7, 2006
    Assignee: Garmin Ltd.
    Inventor: Robert W. Billings
  • Device and method for alert and density altitude features in a transponder
    Patent number: 6864830
    Abstract: A transponder having a subsystem for providing an altitude alert function signifying a deviation from a set altitude is described. The subsystem includes an input for receiving an altitude deviation limit associated with the set altitude, a CPU receiving updated altitude and determining a difference between the updated altitude and the set altitude associated with the altitude deviation limit, and a transponder subsystem output device for providing the difference between the updated altitude and the set altitude to a user.
    Type: Grant
    Filed: March 3, 2003
    Date of Patent: March 8, 2005
    Assignee: Garmin Ltd.
    Inventor: Robert W. Billings