Patents by Inventor Gregory Roach

Gregory Roach 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).

  • Method and apparatus for improving detection limits in x-ray and nuclear spectroscopy systems
    Patent number: 7966155
    Abstract: A spectrometry method and apparatus for filtering step-like pulses output by a preamplifier to measure the energy or other desired characteristics of events occurring in a detector attached to the preamplifier. The spectrometer provides a set of filters that are capable of measuring the desired characteristic with different accuracy or resolution, detects the pulses in the preamplifier signal, and measures the time between consecutive pairs of detected pulses. For each detected pulse, the spectrometer selects a filter from the set of available filters, based on the measured time intervals between the pulse and its immediately preceding and succeeding detected pulses, applies it to the pulse, and indexes the output of the filtering operation with one or more indices identifying the selected filter.
    Type: Grant
    Filed: May 31, 2005
    Date of Patent: June 21, 2011
    Inventors: William K. Warburton, Jackson T. Harris, Peter M. Grudberg, Gregory Roach
  • Method and apparatus for improving detection limits in x-ray and nuclear spectroscopy systems
    Publication number: 20060015290
    Abstract: A spectrometry method and apparatus for filtering step-like pulses output by a preamplifier to measure the energy or other desired characteristics of events occurring in a detector attached to the preamplifier. The spectrometer provides a set of filters that are capable of measuring the desired characteristic with different accuracy or resolution, detects the pulses in the preamplifier signal, and measures the time between consecutive pairs of detected pulses. For each detected pulse, the spectrometer selects a filter from the set of available filters, based on the measured time intervals between the pulse and its immediately preceding and succeeding detected pulses, applies it to the pulse, and indexes the output of the filtering operation with one or more indices identifying the selected filter.
    Type: Application
    Filed: May 31, 2005
    Publication date: January 19, 2006
    Applicant: William K. Warburton
    Inventors: William Warburton, Jackson Harris, Peter Grudberg, Gregory Roach