Patents by Inventor Robert Alexander Batchelor

Robert Alexander Batchelor 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).

  • Bidirectional amplifier
    Patent number: 5821813
    Abstract: A bidirectional amplifier has first and second two-terminal ports each capable of acting as either an input or an output for said amplifier. A field effect type transistor is connected in common gate mode with the common (or grounded) terminal of each of said ports being at least AC connected with the gate of said transistor, and the source and drain of said transistor being respectively connected to a corresponding one of the other terminals of said ports via an impedance matching device.
    Type: Grant
    Filed: May 15, 1996
    Date of Patent: October 13, 1998
    Assignee: Commonwealth Scientific & Industrial Research Organisation
    Inventors: Robert Alexander Batchelor, John William Archer