Patents by Inventor Shannon M. Nelson

Shannon M. Nelson 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).

  • Shock-resistant backplane utilizing infrared communication scheme with electrical interface for embedded systems
    Patent number: 6898378
    Abstract: Infrared communications scheme for use in an embedded system. According to a preferred embodiment, the invention comprises the use of an infrared communications scheme, according to IrDA protocol, which is utilized to transmit and receive data via an electrical interface between circuit cards housed within an enclosed, embedded system. Preferably, each respective circuit card is provided with a digital tri-stateable transmitter element and a digital receiver to respectively transmit and receive data. The systems and methods of the present invention provide increased reliability than prior-art systems and methods.
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: May 24, 2005
    Assignee: Northrop Grumman Corporation
    Inventors: Shannon M. Nelson, Stuart J. Collar, Mark D. Hischke