Patents by Inventor Jean-Claude Chapuis

Jean-Claude Chapuis 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).

  • Device for measuring radioactive contamination of a body
    Patent number: 5218208
    Abstract: A device for measuring radioactive contamination of a body includes a scintillator crystal (1) sensitive to gamma radiation emitted during disintegration of the radioactive elements (I, Cs, Co) contaminating a body to which the end of scintillator (1) is applied. A photodiode (2) converts the photons generated in scintillator (1) by the gamma radiation into electric charges. A mechanism (3, 7) converts these charges into amplified, frequency-filtered voltage pulses. Pulse counts in a plurality of bands and deconvolution effected by an electronic mechanism (8) built into the device allow measurement of the contamination of the body by each of the radioactive elements in question.
    Type: Grant
    Filed: December 11, 1991
    Date of Patent: June 8, 1993
    Assignees: L'Etat Francais, Commissariat a l'Energie Atomique
    Inventors: Patrick Augier, Paul-Henri Fouquet, Jean-Claude Chapuis, Maurice Chemtob, Rene Chuiton