Patents by Inventor Roswell P. Barnes, Jr.

Roswell P. Barnes, Jr. 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).

  • Seismic apparatus for discrimination between track-type vehicles and wheel-type vehicles
    Patent number: 4158832
    Abstract: 10. A vehicle identifying circuit comprising: means for detecting seismic brations created by passing vehicles and converting them into electrical impulses; frequency-sensing circuit means coupled to said detecting means for producing electrical signals in accordance with the frequency characteristics of said impulses, said frequency-sensing circuit means comprising an amplifier, a clipper circuit, a differentiator circuit, a rectifier and an integrator coupled in sequence to produce said electrical signals; and vehicle discriminating circuit means coupled to said frequency-sensing means to convert said signals into output pulses having voltage levels indicative of the character of the suspension system of the passing vehicle.
    Type: Grant
    Filed: June 19, 1961
    Date of Patent: June 19, 1979
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Roswell P. Barnes, Jr., Glenn E. Fellows