Infrared mapping system

Claim 1

AN AIRBORNE INFRARED MAPPING SYSTEM CAPABLE OF DETECTING THE INFRARED RADIATION OF OBJECTS OF INTEREST AND PROVIDING A VISUAL REPRESENTATION THEREOF COMPRISING: A ROTATABLE OPTICAL SYSTEM, MEANS FOR ROTATING SAID ROTATABLE OPTICAL SYSTEM COMPRISING A SYNCHRONOUS MOTOR HAVING A ROTOR AND STATOR, MEANS FOR STABILIZING SAID STATOR TO INERTIAL SPACE COMPRISING A ROLL STABILIZING SAID STATOR TO TO SAID STATOR, A SERVO AMPLIFIER ELECTRICALLY CONNECTED TO SAID ROLL STABILIZATION SERVO, A SERVO TRANSFORMER IN FEEDBACK ASSOCIATION WITH SAID STATOR AND ELECTRICALLY CONNECTED TO SAID SERVO AMPLIFIER, SAID SERVO AMPLIFIER ALSO RECEIVING AN INPUT INDICATIVE OF AIRCRAFT ROLL, AN INFRARED CELL IN OPTICAL ASSOCIATION WITH SAID ROTATABLE OPTICAL SYSTEM WHICH PRODUCES ELECTRICAL SIGNAL IN ACCORDANCE WITH THE INFRARED RADIATION INSTANTANEOUS FIELD OF VIEW OF SAID ROTATABLE OPTICAL SYSTEM, MEANS LOCATED BETWEEN SAID ROTATABLE OPTICAL SYSTEM AND SAID INFRARED CELL FOR VARYING THE EFFECTIVE SCAN OF SAID ROTATABLE OPTICAL SYSTEM RESPONDSIVE TO AIRCRAFT VELOCITY AND AIRCRAFT HEIGHT, A CATHODE RAY TUBE HAVING INTENSITY CONTROL MEANS, SWEEP CONTROL MEANS, AND A PRESENTATION FACE, MEANS CONNECTING SAID INFRARED CELL TO SAID INTENSITY CONTROL MEANS FOR VARYING THE INTENSITY OF THE ELECTRON BEAM OF SAID CATHODE RAY TUBE IN ACCORDANCE WITH THE ELECTRICAL OUTPUT OF SAID INFRARED CELL, MEANS FOR SYNCHRONIZING THE SWEEP OF SAID CATHODE RAY TUBE WITH SAID ROTATABLE OPTICAL SYSTEM COMPRISING A DUAL ROTARY CAPACITOR DRIVEN AT A ONE RATIO BY ROTOR OF SAID SYNCHRONOUS MOTOR, TWO CAPACITORS IN FIXED RELATIONSHIP WITH RESPECT TO THE STATOR OF SAID SYNCHRONOUS MOTOR AND IN BRIDGE CONFIGURATION WITH SAID DUAL ROTARY CAPACITOR, AN RF OSCILLATOR ELECTRICALLY CONNECTED TO SAID BRIDGE CONFIGURATION, DEMODULATION MEANS ELECTRICALLY CONNECTED TO SAID BRIDGE CONFIGURATION, SAID SWEEP CONTROL MEANS ELECTRICALLY CONNECTED TO SAID DEMODULATION MEANS, A DRIFT CONTROL SERVO GEARED TO SAID SWEEP CONTROL MEANS RESPONSIVE TO AN AIRCRAFT DRIFT SIGNAL TO PROVIDE DRIFT CORRECTION, AND A CAMERA IN OPTICAL ASSOCIATED WITH THE PRESENTATION FACE OF SAID CATHODE RAY TUBE.