Patents by Inventor Brian Colby

Brian Colby 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).

  • Patent number: 7466256
    Abstract: Ultrasound information for B-mode and CW Doppler mode use the same digital beamformer. Due to sigma-delta conversion or over sampling, sufficient dynamic range is provided for the desired bandwidth. By mixing the input ultrasound information to base band before conversion, additional dynamic range may be provided. The electrical impedance may be better matched to elements by connecting a different number of sigma-delta converters to an element. Elements with lower impedance may be connected to a plurality of sigma-delta converters. To increase the aperture size for elements with a higher impedance, the same sigma-delta converters may be used as separate receive beamformer channels without the summation.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: December 16, 2008
    Assignee: Siemens Medical Solutions USA, Inc.
    Inventors: Daniel Edward Brueske, D-L Donald Liu, Steven Martin, Brian Colby
  • Publication number: 20070236374
    Abstract: Ultrasound information for B-mode and CW Doppler mode use the same digital beamformer. Due to sigma-delta conversion or over sampling, sufficient dynamic range is provided for the desired bandwidth. By mixing the input ultrasound information to base band before conversion, additional dynamic range may be provided. The electrical impedance may be better matched to elements by connecting a different number of sigma-delta converters to an element. Elements with lower impedance may be connected to a plurality of sigma-delta converters. To increase the aperture size for elements with a higher impedance, the same sigma-delta converters may be used as separate receive beamformer channels without the summation.
    Type: Application
    Filed: March 30, 2007
    Publication date: October 11, 2007
    Inventors: Daniel Brueske, D-L Liu, Steven Martin, Brian Colby
  • Publication number: 20070229336
    Abstract: Receive beamformers for receive beamforming ultrasound information include a plurality of channels. The received signals for each channel are oversampled for conversion to digital form, such as sampling with a sigma-delta converter. The reconstruction of the samples into data at the Nyquist or other rate is performed in stages. Partial reconstruction to a rate less than the oversampling rate, but greater than the Nyquist rate, occurs prior to summation across channels. Delays are implemented by selecting data from the sample stream. After summation, the samples are reconstructed at a Nyquist or other rate.
    Type: Application
    Filed: March 30, 2007
    Publication date: October 4, 2007
    Inventors: D-L Liu, Daniel Brueske, Brian Colby