Radiation detection system

Claim 1

A RADIATION DETECTION SYSTEM COMPRISING: RADIATION DETECTION MEANS DISPOSED ON A FIRST AXIS FOR PROVIDING AN OUTPUT SIGNAL RESPONSIVE TO RADIATION INCIDENT THEREON; A FLAT MIRROR ON SAID FIRST AXIS FOR RECEIVING RADIATION FORM A DISTANCE SOURCE AND FOR REFLECTING A RADIANT IMAGE OF SAID SOURCE TOWARD SAID DETECTION MEANS; MEANS FOR ROTATING SAID MIRROR ABOUT SAID FIRST AXIS WHEREBY SAID MIRROR SCANS A SEGMENT OF A SPHERICAL FIELD OF VIEW ABOUT SAID FIRST AXIS; A SPHERICAL SHAPED MEMBER DISPOSED ON SAID FIRST AXIS IN FRONT OF SAID DETECTION MEANS, THE SPHERICAL SURFACE THEREOF CONSTITUTING A SPHERICAL FOCAL SURFACE, A RETICLE DISPOSED ON SAID SPHERICAL FOCAL SURFACE TRANSVERSELY ACROSS SAID FIRST AXIS ADJACENT THE INTERNSECTION OF SAID FOCAL SURFACE THEREWITH AND BEING FORMED OF A PLURALITY OF OPAQUE AND TRANSPARENT ELEMENTS; REFLECTING MEANS FOR DIRECTING A RADIANT IMAGE REFLECTED BY SAID MIRROR ONTO SAID DETECTION MEANS AND FOR FOCUSING SAID IMAGE ONTO SAID RETICLE; MEANS FOR ROTATING SAID RETICLE ABOUT SAID FIRST AXIS IN UNISON WITH SAID MIRROR WHEREBY A RADIANT IMAGE OF A RADIANT SPOT IN SAID SEGMENT IS SCANNED ACROSS SAID RETICLE LINES AT RIGHT ANGLES THERETO AND IS GIVEN A PULSATING CHARACTERISTIC BY SAID OPAQUE ELEMENTS TO PROVIDE AN ALTERNATING CURRENT OUTPUT SIGNAL.