Patents by Inventor JACK R. ENGSBERG

JACK R. ENGSBERG 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 and apparatus for determining the position and orientation of an object using a doppler shift of electromagnetic signals
    Publication number: 20040196184
    Abstract: A method and apparatus for determining the position and/or the orientation of a movable object using a Doppler shift of electromagnetic signals. The apparatus includes a transmitter for transmitting a periodic electromagnetic signal, a sensor mountable on the object for receiving the signal transmitted by the transmitter and a controller in communication with the transmitter and the sensor for determining the position and/or orientation of the sensor relative the transmitter.
    Type: Application
    Filed: April 7, 2003
    Publication date: October 7, 2004
    Inventors: KEVIN HOLLANDER, JOHN STANDEVEN, JACK R. ENGSBERG