Patents by Inventor Francis E. Hinkle

Francis E. Hinkle 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).

  • Level-code encoded multiplexer
    Patent number: 3979561
    Abstract: Apparatus for multiplexing a large number of digital signals onto a few aog channels using a level code encoded multiplexer. Each digital signal to be multiplexed is assigned a unique reference level to represent a logical "one", with all digital inputs assigned the same zero ground as a base line for a logical "zero".
    Type: Grant
    Filed: May 6, 1975
    Date of Patent: September 7, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Francis E. Hinkle, David F. Rohde