Patents by Inventor William Ian Duncombe Rae

William Ian Duncombe Rae 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: 9861335
    Abstract: This invention relates to a mammographic tomography test object (hereinafter referred to as a phantom) and more particularly, but not exclusively, to a mammographic tomography test phantom for use in the verification of image reconstruction positions in digital breast tomosynthesis. The phantom includes a body made from an approximately tissue equivalent x-ray attenuating material; an upper spacer located on top of the body, and a lower spacer located below the body, the spacers being made from a substantially non-compressible material; and a plurality of x-ray opaque granules located at predetermined positions within the body.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: January 9, 2018
    Assignee: UNIVERSITY OF THE FREE STATE
    Inventors: Bernine Jonson, William Ian Duncombe Rae
  • Publication number: 20150272535
    Abstract: This invention relates to a mammographic tomography test object (hereinafter referred to as a phantom) and more particularly, but not exclusively, to a mammographic tomography test phantom for use in the verification of image reconstruction positions in digital breast tomosynthesis. The phantom includes a body made from an approximately tissue equivalent x-ray attenuating material; an upper spacer located on top of the body, and a lower spacer located below the body, the spacers being made from a substantially non-compressible material; and a plurality of x-ray opaque granules located at predetermined positions within the body.
    Type: Application
    Filed: September 6, 2013
    Publication date: October 1, 2015
    Applicant: University of the Free State
    Inventors: Bernine Joson, William Ian Duncombe Rae