Patents by Inventor John P. DeCelles,

John P. DeCelles, 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).

  • Publication number: 20030169875
    Abstract: A modem generally comprising an analog front end circuit, a hybrid circuit, and a variable impedance element. The hybrid circuit may be configured to couple the analog front end circuit to a transmission line. The variable impedance may be disposed within the analog front end circuit and connected to the hybrid circuit to trim an echo cancelling function of the hybrid circuit.
    Type: Application
    Filed: July 17, 2002
    Publication date: September 11, 2003
    Applicant: LSI LOGIC CORPORATION
    Inventors: Sang-Soo Lee, Hiroshi Kimura, Ju Hi John Hong, Jin-Der Wang, John P. DeCelles,, Bryan S. Rowan