Patents by Inventor Frank Van de Sande

Frank Van de Sande 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).

  • High performance mixed signal circuit
    Patent number: 8040971
    Abstract: The present invention is related to a digital circuit for use in a mixed-signal circuit.
    Type: Grant
    Filed: May 5, 2008
    Date of Patent: October 18, 2011
    Assignee: Agilent Technologies, Inc.
    Inventor: Frank Van De Sande
  • Circuit for sample rate conversion
    Patent number: 7724162
    Abstract: The present invention is related to a circuit for converting the sample rate of a digital signal, comprising an input for applying the digital signal, a conversion filter having either a symmetrical or anti-symmetrical impulse response and implemented as a plurality of subfilters in parallel, each subfilter having a symmetrical or anti-symmetrical response derived from components of a polyphase decomposition of said impulse response, combining means for deriving from said applied digital signal input signals of said plurality of subfilters or for combining output signals of said plurality of subfilters into a digital signal with converted sample rate, an output for outputting said digital signal with converted sample rate.
    Type: Grant
    Filed: July 25, 2008
    Date of Patent: May 25, 2010
    Assignee: Agilent Technologies, Inc.
    Inventors: Frank Van de Sande, Alvin Andries
  • Dither methods for suppression of data-dependent activity variations
    Patent number: 7626721
    Abstract: A system and method are provided for minimizing data-dependent power variations. The system and method can include summing an input with a dither signal, processing the summed signal, and substantially removing the effects of the dither signal from the output. The output is an approximation of processing to the input alone, while certain aspects of processing activity, such as temperature changes and current draw, are less dependent on input values. Variations in data-dependent activities are thus reduced. The effects of the dither signal may be removed by equivalently processing the dither signal alone, and using that result as a compensating signal to cancel components of the processed signal that result from the presence of the dither signal.
    Type: Grant
    Filed: October 12, 2006
    Date of Patent: December 1, 2009
    Assignee: Agilent Technologies, Inc.
    Inventors: George S. Moore, Frank Van de Sande
  • CIRCUIT FOR SAMPLE RATE CONVERSION
    Publication number: 20090058692
    Abstract: The present invention is related to a circuit for converting the sample rate of a digital signal, comprising an input for applying the digital signal, a conversion filter having either a symmetrical or anti-symmetrical impulse response and implemented as a plurality of subfilters in parallel, each subfilter having a symmetrical or anti-symmetrical response derived from components of a polyphase decomposition of said impulse response, combining means for deriving from said applied digital signal input signals of said plurality of subfilters or for combining output signals of said plurality of subfilters into a digital signal with converted sample rate, an output for outputting said digital signal with converted sample rate.
    Type: Application
    Filed: July 25, 2008
    Publication date: March 5, 2009
    Applicant: AGILENT TECHNOLOGIES, INC.
    Inventors: Frank Van de Sande, Alvin Andries
  • HIGH PERFORMANCE MIXED SIGNAL CIRCUIT
    Publication number: 20090021285
    Abstract: The present invention is related to a digital circuit for use in a mixed-signal circuit.
    Type: Application
    Filed: May 5, 2008
    Publication date: January 22, 2009
    Applicant: AGILENT TECHNOLOGIES, INC.
    Inventor: Frank Van De Sande
  • Dither methods for suppression of data-dependent activity variations
    Publication number: 20080143565
    Abstract: A system and method are provided for minimizing data-dependent power variations. The system and method can include summing an input with a dither signal, processing the summed signal, and substantially removing the effects of the dither signal from the output. The output is an approximation of processing to the input alone, while certain aspects of processing activity, such as temperature changes and current draw, are less dependent on input values. Variations in data-dependent activities are thus reduced. The effects of the dither signal may be removed by equivalently processing the dither signal alone, and using that result as a compensating signal to cancel components of the processed signal that result from the presence of the dither signal.
    Type: Application
    Filed: October 12, 2006
    Publication date: June 19, 2008
    Inventors: George S. Moore, Frank Van de Sande