Patents by Inventor Charles Phillips

Charles Phillips 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).

  • Detection of radiation
    Patent number: 4070581
    Abstract: In a computerized axial tomographic apparatus it is proposed to use, as radiation detectors, alkali halide scintillator crystals cooperating with photodiodes to measure the light output therefrom, or else photodiodes directly sensitive to the radiation passed through the patient. For advantageous operation, especially in regard to drift and rapidity of operation, it is proposed to use the photodiodes photovoltaically and in the so-called "current mode".
    Type: Grant
    Filed: July 2, 1976
    Date of Patent: January 24, 1978
    Assignee: EMI Limited
    Inventors: David John Gibbons, Wieslaw Antoni Karwowski, Charles Phillip Cousins, Ian MacDonald Green, John James Jarrett