Patents by Inventor William E. Merritt

William E. Merritt 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).

  • System for warning aircraft pilot of potential impact with a power line and generating time-to-time impact signal
    Patent number: 5252912
    Abstract: A detector for use on board an aircraft traveling along a path of movement to detect a power line comprises an antenna for sensing the electric field associated with the power line and producing an electric field signal, and a signal processor for receiving the electric field signal and generating a time-to-impact signal representative of the time for the aircraft to reach the power line if it continues on its path of movement. Sensors are used to determine the direction of the power line.
    Type: Grant
    Filed: June 6, 1991
    Date of Patent: October 12, 1993
    Assignee: William E. Merritt
    Inventors: William E. Merritt, Joel Johnson