Patents by Inventor Peter Chantiles

Peter Chantiles 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).

  • Programmable fractional frequency digital frequency synthesizer for synchronous residual time stamp service clock regenerator phase locked loop
    Patent number: 6144714
    Abstract: A service clock regenerator regenerates a local clock from time stamps of a remote clock transmitted over a network by determining the slope of (or difference between current and previous) time stamps of the remote clock and the slope of time stamps of the local clock. A phase difference is formed as the difference between the slope of the time stamps of the remote clock and the slope of the time stamps of the local clock and this phase difference is accumulated to generate a phase error signal. The phase error signal is filtered to generate a frequency adjustment signal having a magnitude that depends on the phase error signal. The frequency of the local clock is adjusted according to the magnitude of the frequency adjustment signal thereby reducing a phase difference between the remote time stamps and the local time stamps.
    Type: Grant
    Filed: January 6, 1998
    Date of Patent: November 7, 2000
    Assignee: Maker Communications, Inc.
    Inventors: Scott Bleiweiss, Peter Chantiles
  • Modular circuitry architecture for residual time stamp service clock regenerator phase locked loop
    Patent number: 6122337
    Abstract: A service clock regenerator regenerates a local clock from time stamps of a remote clock transmitted over a network by determining the slope of (or difference between current and previous) time stamps of the remote clock and the slope of time stamps of the local clock. A phase difference is formed as the difference between the slope of the time stamps of the remote clock and the slope of the time stamps of the local clock and this phase difference is accumulated to generate a phase error signal. The phase error signal is filtered to generate a frequency adjustment signal having a magnitude that depends on the phase error signal. The frequency of the local clock is adjusted according to the magnitude of the frequency adjustment signal thereby reducing a phase difference between the remote time stamps and the local time stamps.
    Type: Grant
    Filed: January 6, 1998
    Date of Patent: September 19, 2000
    Assignee: Maker Communications, Inc.
    Inventors: Scott Bleiweiss, Peter Chantiles
  • Combined synchronous residual time stamp generator and service clock regenerator architecture
    Patent number: 6011823
    Abstract: A service clock regenerator regenerates a local clock from time stamps of a remote clock transmitted over a network by determining the slope of (or difference between current and previous) time stamps of the remote clock and the slope of time stamps of the local clock. A phase difference is formed as the difference between the slope of the time stamps of the remote clock and the slope of the time stamps of the local clock and this phase difference is accumulated to generate a phase error signal. The phase error signal is filtered to generate a frequency adjustment signal having a magnitude that depends on the phase error signal. The frequency of the local clock is adjusted according to the magnitude of the frequency adjustment signal thereby reducing a phase difference between the remote time stamps and the local time stamps.
    Type: Grant
    Filed: January 6, 1998
    Date of Patent: January 4, 2000
    Assignee: Maker Communications, Inc.
    Inventors: Scott Bleiweiss, Peter Chantiles
  • Synchronous residual time stamp service clock regenerator phase locked loop phase comparator and loop filter
    Patent number: 5970107
    Abstract: A service clock regenerator regenerates a local clock from time stamps of a remote clock transmitted over a network by determining the slope of (or difference between current and previous) time stamps of the remote clock and the slope of time stamps of the local clock. A phase difference is formed as the difference between the slope of the time stamps of the remote clock and the slope of the time stamps of the local clock and this phase difference is accumulated to generate a phase error signal. The phase error signal is filtered to generate a frequency adjustment signal having a magnitude that depends on the phase error signal. The frequency of the local clock is adjusted according to the magnitude of the frequency adjustment signal thereby reducing a phase difference between the remote time stamps and the local time stamps.
    Type: Grant
    Filed: January 6, 1998
    Date of Patent: October 19, 1999
    Assignee: Maker Communications, Inc.
    Inventors: Scott Bleiweiss, Peter Chantiles