Photoelectric tracking system comprising a plurality of telescopes viewing adjacent fields

Claim 1

A PHOTOELECTRIC TRACKING SYSTEM FOR ACQUIRING AND TRACKING A MOVING OBJECT IN SPACE COMPRISING A PLURALITY OF TELESCOPES ANGULARLY INCLINED AT VARYING OPTICAL AXES WITH RESPECT TO EACH OTHER, SAID TELESCOPES BEING FIXEDLY POSITIONED TO OBSERVE ADJACENT SEGMENTS OF A SPACE FIELD AND PRODUCE OPTICAL IMAGES THEREOF, SEPARATE IMAGE ORTHICON MEANS DISPOSED AT THE EYEPIECE END OF EACH OF SAID TELESCOPES FOR CONVERTING SAID OPTICAL IMAGES INTO CORRESPONDING ELECTRON IMAGES, PREAMPLIFIER AND MIXER MEANS FOR ENHANCING THE INFORMATION CONTENT OF THE CONVERTED IMAGE, BAND PASS FILTER MEANS FOR REDUCING THE BAND WIDTH OF THE IMAGE CONTAINING SIGNAL, BLACK AND WHITE CLIPPING MEANS APPLIED TO THE SIGNAL, COMPOSITE SHADING GENERATING MEANS SUPPLIED THROUGH HORIZONTAL AND VERTICAL SWEEP DRIVES TO THE PREAMPLIFIER MEANS IN SAID IMAGE ORTHICON MEANS, CATHODE-RAY OSCILLOSCOPES FOR RECEIVING AND DISPLAYING THE ENHANCED ELECTRON IMAGES FROM EACH OF SAID IMAGE ORTHICON MEANS, CAMERA MEANS FOR PHOTOGRAPHICALLY RECORDING THE DISPLAYED IMAGES, AND A TIMER GENERATOR FOR SYNCHRONIZING THE COMMAND PULSES TO SIMULTANEOUSLY OPERATE THE IMAGE RECORDING CAMERA MEANS.