Patents by Inventor Robert Stebbins Doyle

Robert Stebbins Doyle 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).

  • Radio altimeter test method and apparatus
    Patent number: 6812885
    Abstract: A method, apparatus and circuit for testing a radio altimeter is disclosed. During the test-mode operation of the altimeter, a signal processor controls a transmitter to generate a radio frequency signal at a first period of time, which is transmitted through an attenuator, transmitted then through a receiver and received by the signal processor at a second period of time for processing of altimeter operational information.
    Type: Grant
    Filed: May 24, 2002
    Date of Patent: November 2, 2004
    Assignee: Honeywell International Inc.
    Inventors: William Howard Brettner, III, Robert Stebbins Doyle
  • RADIO ALTIMETER TEST METHOD AND APPARATUS
    Publication number: 20040178949
    Abstract: A method, apparatus and circuit for testing a radio altimeter is disclosed. During the test-mode operation of the altimeter, a signal processor controls a transmitter to generate a radio frequency signal at a first period of time, which is transmitted through an attenuator, transmitted then through a receiver and received by the signal processor at a second period of time for processing of altimeter operational information.
    Type: Application
    Filed: May 24, 2002
    Publication date: September 16, 2004
    Inventors: William Howard Brettner, Robert Stebbins Doyle