Patents by Inventor Tilman H. Foust, Jr.

Tilman H. Foust, 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).

  • Read and write circuitry
    Patent number: 4053936
    Abstract: The present invention relates to circuitry providing both read and write capability for a two track card reader magnetic head which senses flux changes in either track. The write circuitry provides an interface between logic TTL format input and the current drive used to write with the magnetic head. The circuitry also provides control and level shifting network enabling the same magnetic head to be used for both reading and writing.
    Type: Grant
    Filed: June 3, 1976
    Date of Patent: October 11, 1977
    Assignee: AMP Incorporated
    Inventor: Tilman H. Foust, Jr.