Patents by Inventor James Lesurf

James Lesurf 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).

  • Publication number: 20070257188
    Abstract: A calibration load is provided for calibrating a signal in a range of wavelengths or of a single known wavelength. In one embodiment, the load comprises a calibration surface including an emissive material, the calibration surface having relief features, such as pyramids or wedges, that have a dimension that is substantially the same as or less than the shortest wavelength of the range of wavelengths or the single known wavelength that has to be calibrated.
    Type: Application
    Filed: September 6, 2004
    Publication date: November 8, 2007
    Applicant: Valtion Teknillinen Tutkimuskeskus
    Inventors: Duncan Robertson, David Macfarlane, James Lesurf
  • Publication number: 20050228265
    Abstract: A medical imaging apparatus for imaging subcutaneous body temperature that comprises a detector (22) for sensing millimetre wave electromagnetic radiation and a collector for collecting radiation emitted from Scanned spot a patient's body and directing it along a collection path (20) to the detector. The collector is configured so that the collected radiation has a defined sensitivity profile across and along substantially the entire length of that path. The collected radiation may have a Gaussian or a Bessel sensitivity profile.
    Type: Application
    Filed: March 26, 2003
    Publication date: October 13, 2005
    Applicant: The University Court of the University of St. Andrews
    Inventors: Duncan Robertson, David MacFarlane, James Lesurf