Patents by Inventor Norm Hendrickson

Norm Hendrickson 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).

  • Data de-skew method and system
    Patent number: 7406616
    Abstract: Systems and methods for deskewing parallel data lines using at least one extra channel in parallel to the parallel data lines to carry data for comparing to data on the parallel data lines.
    Type: Grant
    Filed: September 1, 2005
    Date of Patent: July 29, 2008
    Assignee: Vitesse Semiconductor Corporation
    Inventors: Norm Hendrickson, Andrew Schmitt, Timothy Coe
  • RZ recovery
    Patent number: 7123678
    Abstract: A data and clock recovery system adapted for use with RZ data. In one embodiment a phase detector provides phase information for low to high data signal transitions only. In another embodiment a clock recovered from rising transitions is mixed with a clock recovered from falling transitions to form a recovered clock signal.
    Type: Grant
    Filed: February 1, 2002
    Date of Patent: October 17, 2006
    Assignee: Vitesse Semiconductor Corporation
    Inventor: Norm Hendrickson
  • Data de-skew method and system
    Publication number: 20060129869
    Abstract: Systems and methods for deskewing parallel data lines using at least one extra channel in parallel to the parallel data lines to carry data for comparing to data on the parallel data lines.
    Type: Application
    Filed: September 1, 2005
    Publication date: June 15, 2006
    Inventors: Norm Hendrickson, Andrew Schmitt, Timothy Coe
  • RZ recovery
    Publication number: 20020110215
    Abstract: A data and clock recovery system adapted for use with RZ data. In one embodiment a phase detector provides phase information for low to high data signal transitions only. In another embodiment a clock recovered from rising transitions is mixed with a clock recovered from falling transitions to form a recovered clock signal.
    Type: Application
    Filed: February 1, 2002
    Publication date: August 15, 2002
    Inventor: Norm Hendrickson
  • Forward data de-skew method and system
    Publication number: 20020093986
    Abstract: Systems and methods for deskewing parallel data lines using at least one extra channel in parallel to the parallel data lines to carry data for comparing to data on the parallel data lines.
    Type: Application
    Filed: December 31, 2001
    Publication date: July 18, 2002
    Inventors: Norm Hendrickson, Andrew Schmitt
  • Reverse data de-skew method and system
    Publication number: 20020093994
    Abstract: Systems and methods for deskewing parallel data lines using at least one extra channel in parallel to the parallel data lines to carry data for comparing to data on the parallel data lines.
    Type: Application
    Filed: December 31, 2001
    Publication date: July 18, 2002
    Inventors: Norm Hendrickson, Andrew Schmitt, Timothy Coe
  • Digital clock recovery system
    Publication number: 20020090045
    Abstract: A digital clock recovery circuit. The digital clock recovery circuit uses a lumped delay line and a digital phase detector to form a recovered clock signal. The recovered clock signal is limited to one clock period of the delay line so as to prevent false locking.
    Type: Application
    Filed: January 3, 2002
    Publication date: July 11, 2002
    Inventor: Norm Hendrickson
  • Data de-skew method and system
    Publication number: 20020091885
    Abstract: Systems and methods for deskewing parallel data lines using at least one extra channel in parallel to the parallel data lines to carry data for comparing to data on the parallel data lines.
    Type: Application
    Filed: December 31, 2001
    Publication date: July 11, 2002
    Inventors: Norm Hendrickson, Andrew Schmitt, Timothy Coe