Patents by Inventor Daniel B. Schartz

Daniel B. Schartz 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).

  • Calibration device for a phased locked loop synthesiser
    Patent number: 7532696
    Abstract: A calibration device for a phase locked loop arranged to generate an output frequency based upon a first frequency range of an input signal applied to a first input and a second frequency range of the input signal applied to a second input, the calibration phase locked loop synthesizer device comprising an estimator arranged to use a two dimensional estimation algorithm with a signal value indicative of a mismatch between the first input path and the second input path to determine an estimate of the mismatch to allow matching of the first input path and the second input path.
    Type: Grant
    Filed: November 18, 2004
    Date of Patent: May 12, 2009
    Assignee: Freescale Semiconductor, Inc.
    Inventors: Patrick J. Pratt, Michael A. Milyard, Louis M. Nigra, Daniel B. Schartz