Core matrix for control of crt having forward and reverse wound cores

Claim 1

APPARATUS FOR THE GENERATION AND DISPLAY OF VISUAL SYMBOLS ON THE SCREEN OF A CATHODE RAY TUBE BY A SUCCESSION OF STRAIGHT LINE MOTIONS OF A SPOT SCANNING SAID SCREEN, COMPRISING A SET OF MAGNETIC CORES ENERGIZABLE FOR THE STORAGE OF ENERGY FOR EFFECTING HORIZONTAL COMPONENT (X) DEFLECTIONS OF THE SCANNING SPOT, ANOTHER SET OF MAGNETIC CORES ENERGIZABLE FOR THE STORAGE OF ENERGY FOR EFFECTING VERTICAL COMPONENT (Y) DEFLECTIONS OF SAID SPOT, AND A THIRD SET OF MAGNETIC CORES ENERGIZABLE FOR THE STORAGE OF BRIGHTNESS CONTROL (B) PULSES FOR RENDERING VISIBLE THE STRAIGHT LINE MOTIONS OF SAID SPOT WHICH CONTRIBUTE TO THE BUILDING UP OF THE SYMBOL OUTLINE, CORE ENERGIZING WIRES INTERWOVEN THROUGH SAID CORES FORWARDLY OR REVERSELY ONE OR MORE TIMES IN ACCORDANCE WITH THE DIRECTIONS AND MAGNITUDES OF X AND Y DEFLECTIONS AND THE VISIBILITY THEREOF REQUIRED TO BUILD UP REPRESENTATION OF A SYMBOL, A PULSE GENERATOR CONNECTIBLE TO A SELECTED WIRE TO ENERGIZE THE CORES LOOPED BY SAID SELECTED WIRE TO THE MAGNITUDES AND POLARITIES APPROPRIATE TO SUCCESSIVE SCANNING SPOT MOVEMENTS TO TRACE OUT A SYMBOL, A NORMALLY CLOSED OUTPUT WINDING ON EACH CORE, SWITCHING DIODES CONNECTED TO EACH SAID OUTPUT WINDING, AND PULSE GENERATORS OPERABLE IN TURN TO SWITCH THE DIODES TO CONNECT AT THE SAME TIME THE OUTPUTS FROM CORRESPONDING CORES OF EACH SET TO PRODUCE DEFLECTION AND BRIGHTENING OF THE TRACES OF THE SUCCESSIVE STRAIGHT LINES ON THE CATHODE RAY TUBE SCREEN AND TO DISCONNECT SAID OUTPUTS AND TRIGGER OPERATION OF THE PULSE GENERATOR CONTROLLING THE SWITCHING OF THE CORE OUTPUTS FOR WRITING A SUCCEEDING TRACE UNTIL THE WHOLE SYMBOL OUTLINE HAS BEEN THUS BUILT UP.