Patents by Inventor Alan J. Gibbs

Alan J. Gibbs 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).

  • Noise assessment of PCM regenerators
    Patent number: 4300233
    Abstract: Instruments are disclosed for testing the susceptibility of PCM regenerators to rear end and far end crosstalk noise. The instruments of the invention are more compatible with PCM system engineering rules since certain important PCM system parameters are synthesized in the circuitry. The instrument for measuring susceptibility to rear end crosstalk includes a filter having a voltage transfer function 1/R.sub.3 .vertline.f/.sub.fo .vertline..sup.3/4 and the instrument for measuring susceptibility to far end crosstalk includes a filter having a voltage transfer function 1/R.sub.3 .vertline.f/.sub.fo .vertline..
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: November 10, 1981
    Assignee: Australian Telecommunications Commission
    Inventor: Alan J. Gibbs