Patents by Inventor Michael L. Bean

Michael L. Bean 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).

  • Integrated optics encryption device
    Patent number: 7236595
    Abstract: The present invention relates generally to an integrated optics encryption device. The preferred embodiment of the invention is an integrated optics encryption device comprising a coherent light source connected to a multi-functional integrated optics chip (MIOC). The MIOC comprises two divergent paths with mirrored ends. The MIOC also has an encrypted message output. One path is connected to a message signal input that can alter the refractive index of the path. The other path is connected to a key signal input that can alter the refractive index of the other path.
    Type: Grant
    Filed: April 18, 2000
    Date of Patent: June 26, 2007
    Assignee: Litton Systems, Inc.
    Inventors: Michael L. Bean, Lawrence E. Bean, George A. Pavlath, Eric Lee Goldner