Patents by Inventor Lyle Alan Fajen

Lyle Alan Fajen 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 accomplishing extended range TCAS using a dual bandwidth receiver
    Patent number: 5923293
    Abstract: A Traffic Alert and Collision Avoidance System (TCAS) uses a dual bandwidth receiver to achieve extended range operation. During normal operations TCAS radio signals are filtered by a bandpass filter which passes all TCAS radio signals of interest. When extended range operation is desired the TCAS radio signals are filtered by a more narrow bandpass filter. The narrower filter passes only selected TCAS radio signals and improves the signal to noise ratio and thus allows detection of selected TCAS radio signals at extended range. The TCAS system switches between the normal mode and the extended range mode to detect and track aircraft at both near and far distances.
    Type: Grant
    Filed: September 30, 1997
    Date of Patent: July 13, 1999
    Assignee: Honeywell Inc.
    Inventors: Mark D. Smith, Lyle Alan Fajen