Patents by Inventor Basil A. Barna

Basil A. Barna 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).

  • Vibration sensing method and apparatus
    Patent number: 4823601
    Abstract: A method and apparatus for nondestructive evaluation of a structure is disclosed. Resonant audio frequency vibrations are excited in the structure to be evaluated and the vibrations are measured and characterized to obtain information about the structure. The vibrations are measured and characterized by reflecting a laser beam from the vibrating structure and directing a substantial portion of the reflected beam back into the laser device used to produce the beam which device is capable of producing an electric signal containing information about the vibration.
    Type: Grant
    Filed: July 7, 1987
    Date of Patent: April 25, 1989
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventor: Basil A. Barna