Patents by Inventor Bernard W. Jordan, Jr.

Bernard W. Jordan, 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).

  • Identification system using coded passive transponders
    Patent number: 4096477
    Abstract: An identification system including a transmitter, a receiver, a decoding subsystem, and a passive transponder identifier. One passive transponder identifier of the invention is a surface acoustic wave device provided with pad means for applying and removing pressure on a substrate of the device at preselected locations. A second identifier of the invention is a microacoustic shear bulk wave device. The passive transponder identifiers are programmed to produce a characteristic coded electronic reply in response to an electromagnetic signal interrogation.
    Type: Grant
    Filed: April 22, 1977
    Date of Patent: June 20, 1978
    Assignee: Northwestern University
    Inventors: Max Epstein, Bernard W. Jordan, Jr.