Patents by Inventor Dustin D. Forman

Dustin D. Forman 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).

  • Digital sampling mixer with multiphase clocks
    Patent number: 7902877
    Abstract: A multiphase clock generates pulses at a rate much higher than the clock frequency.
    Type: Grant
    Filed: January 6, 2010
    Date of Patent: March 8, 2011
    Assignee: ESS Technology, Inc.
    Inventors: Dustin D. Forman, Andrew Martin Mallinson
  • Low noise digital to pulse width modulated converter with audio applications
    Patent number: 7570693
    Abstract: The present invention relates to digital-to-analog conversion. In particular, it has application to conversion of pulse code modulated signals, such as used in CDs and DVDs, to a pulse width modulated or analog signal.
    Type: Grant
    Filed: September 26, 2005
    Date of Patent: August 4, 2009
    Assignee: ESS Technology, Inc.
    Inventors: A. Martin Mallinson, Dustin D. Forman, Simon Damphousse
  • Asynchronous sample rate converter
    Patent number: 7436333
    Abstract: Various embodiments perform sample rate conversion of a sample series at an input rate to an output rate. A version of the sample series is corrected with timing error information generated by a digital loop. The digital loop is locked to a first rate and clocked at a second rate.
    Type: Grant
    Filed: November 28, 2007
    Date of Patent: October 14, 2008
    Assignee: ESS Technology, Inc.
    Inventors: Dustin D. Forman, Andrew Martin Mallinson
  • Digital to analog converter calculating a difference between multiple indicators of a multi-bit input signal
    Patent number: 7379006
    Abstract: The present invention relates to multi-bit to pulse width modulated signal conversion, with extensions to digital-to-analog conversion. In particular, it has application to conversion of pulse code modulated signals, such as used in CDs and DVDs, to audio output.
    Type: Grant
    Filed: October 2, 2006
    Date of Patent: May 27, 2008
    Assignee: ESS Technology, Inc.
    Inventors: Dustin D. Forman, A. Martin Mallinson, Simon Damphousse
  • Low noise digital to signal interval converter with audio applications
    Patent number: 7138935
    Abstract: The present invention relates to digital-to-analog conversion. In particular, it has application to conversion of pulse code modulated signals, such as used in CDs and DVDs, to a pulse width modulated or analog signal.
    Type: Grant
    Filed: September 26, 2005
    Date of Patent: November 21, 2006
    Assignee: ESS Technology, Inc.
    Inventors: Simon Damphousse, A. Martin Mallinson, Dustin D. Forman
  • Low noise digital to analog converter with audio applications
    Patent number: 7116257
    Abstract: The present invention relates to multi-bit to pulse width modulated signal conversion, with extensions to digital-to-analog conversion. In particular, it has application to conversion of pulse code modulated signals, such as used in CDs and DVDs, to audio output.
    Type: Grant
    Filed: September 26, 2005
    Date of Patent: October 3, 2006
    Assignee: ESS Technology, Inc.
    Inventors: Dustin D. Forman, A. Martin Mallinson, Simon Damphousse