Patents by Inventor Raymond J. Crampton

Raymond J. Crampton 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).

  • Switch circuit for FET devices having negative threshold voltages which utilize a positive voltage only
    Patent number: 5767721
    Abstract: A switch circuit is disclosed including a first FET device coupled in series with an input terminal and an output terminal. A second FET device coupled to the first device in a shunt configuration. The FET devices operative in a first mode to enable electronic signal transmission between the input and output terminals, and further operative in a second mode to prevent the electronic signal transmission. A biasing network for enabling a single control signal to operate the FET devices in both the first and second modes.
    Type: Grant
    Filed: June 6, 1996
    Date of Patent: June 16, 1998
    Assignee: ITT Industries, Inc.
    Inventor: Raymond J. Crampton