Apparatus for measuring exposure to radiant energy

Claim 1

A DOSIMETER COMPRISING AN OUTER CASING HAVING AN OPEN END AND A CLOSED END, A CAPACITOR MOUNTED WITHIN SAID CASING ADJACENT TO THE CLOSED END THEREOF, A RADIANT ENERGY ELECTRIC GENERATOR DISPOSED WITHIN SAID CASING, SAID RADIANT ENERGY ELECTRIC GENERATOR OHMART CELL INCLUDING A POSITIVE ELECTRODE, A NEGATIVE ELECTRODE ELECTRICALLY INSULATED FROM THE POSITIVE ELECTRODE AND CONSTITUTED BY A MATERIAL CHEMICALLY DISSIMILAR FROM SAID POSITIVE ELECTRODE AND A GAS IN CONTACT WITH SAID ELECTRODES, SAID NEGATIVE ELECTRODE AND ONE LEAD OF SAID CAPACITOR BEING IN ELECTRICAL CONNECTION WITH SAID CASING, SAID POSITIVE ELECTRODE BEING CONNECTED TO A SECOND LEAD OF SAID CAPACITOR AND INSULATED ELECTRICALLY FROM SAID CASING, MOVABLE CONTACT MEMBER LOCATED WITHIN SAID CASING AT A POINT SUBSTANTIALLY REMOVED FROM THE OPEN END THEREOF AND DISPLACED FOR SELECTED ELECTRICAL CONNECTION WITH SAID SECOND LEAD OF SAID CAPACITOR.