Patents by Inventor Robert Joseph Strain

Robert Joseph Strain 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).

  • Analog inverter for use in charge transfer apparatus
    Patent number: 3935477
    Abstract: In charge transfer apparatus, an analog inverter comprises a charge storage medium to which are applied varying voltages through a plurality of electrodes, illustratively: a source electrode, a reference electrode and a collector electrode arranged in tandem. Between the source and reference electrodes there is a first control electrode and, in one embodiment, between the reference and collector electrodes there is a second control electrode and a signal electrode.
    Type: Grant
    Filed: October 7, 1974
    Date of Patent: January 27, 1976
    Assignee: Bell Telephone Laboratories, Incorporated
    Inventors: Robert Joseph Strain, Robert Henry Walden