Patents by Inventor David F. Colicchio

David F. Colicchio 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).

  • Linear photon coupled isolator
    Patent number: 3952205
    Abstract: A light emitting diode is driven by an input signal and electromagnetically coupled to a photodiode. The photodiode is connected to a high impedance load across which is obtained a signal linearly related to but electrically isolated from the input signal.
    Type: Grant
    Filed: November 25, 1974
    Date of Patent: April 20, 1976
    Assignee: Hewlett-Packard Company
    Inventors: Morley C. Tobey, Jr., David F. Colicchio