Patents by Inventor John Albert Piunno, Jr.

John Albert Piunno, 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).

  • Method and apparatus for performing frequency synthesis in communication systems
    Patent number: 6711222
    Abstract: A method and apparatus for performing frequency synthesis in a communication system. A fiber optic repeater connected between a copper bus and a fiber optic cable includes a voltage controlled oscillator and associated circuitry to adjust the frequency at which the repeater operates to match the frequency of the device that generated the incoming data stream. This adjustment is performed on-both data received from the copper bus or the fiber optic cable on a message by message basis.
    Type: Grant
    Filed: September 18, 2000
    Date of Patent: March 23, 2004
    Assignee: ABB Automation Inc.
    Inventors: John Albert Piunno, Jr., Thomas Richard Heilman