Coordinate conversion and radar gating simulator apparatus

Claim 1

SIMULATOR APPARATUS COMPRISING ELECTROMAGNETIC SUBSTANTIALLY POINT SPOT INDICIUM DISPLAY MEANS INCLUDING ELECTROMAGNETIC-BEAM-FORMING MEANS, A DISPLAY SURFACE RESPONSIVE TO IMPINGEMENT OF SAID BEAM THEREON TO FORM A SPOT INDICIA THEREON, AND MEANS FOR POSITIONING SAID BEAM AS A FUNCTION OF THE TRANSIENT SPATIAL COORDINATES OF A TARGET TO BE SIMULATED, TO THEREBY PERMIT FORMATION OF A MOVABLE ELECTROMAGNETIC DISPLAY OF AT LEAST ONE TARGET INDICIUM ON SAID DISPLAY SURFACE AS A NON-SWEEP SUBSTANTIALLY CONTINUOUSLY DISPLAYED POINT SPOT INDICATIVE OF TARGET TRANSIENT LOCATION, ELECTROMAGNETIC-BEAM SCANNING MEANS FOR SCANNING SAID DISPLAY IN A DESIRED SWEEP MOTION, VISUAL DISPLAY MEANS INCLUDING A VISUAL DISPLAY SCREEN HAVING A DECAYING-AFTER-DISPLAY CHARACTERISTIC, SAID VISUAL DISPLAY MEANS BEING RESPONSIVE TO SAID BEAM SCANNING MEANS FOR FORMING A SWEEP-TYPE RECURRING VISUAL DISPLAY OF SAID TARGET INDICIUM ON SAID VISUAL DISPLAY SCREEN AS MODIFIED BY SAID SWEEP, SIGNAL MODIFYING MEANS FOR EFFECTING FORMATION OF SAID VISUAL DISPLAY OF SAID TARGET INDICIUM IN A MODIFIED SHAPED FORM WITH RESPECT TO THE FORM OF SAID POINT SPOT INDICIUM, THE BEAM SWEEP OF SAID BEAM SCANNING MEANS AND THE SWEEP DISPLAY OF SAID VISUAL DISPLAY BEING OF TYPE P AND BEING SYNCHRONIZED IN A ONE-TO-ONE RELATION, SAID SIGNAL MODIFYING MEANS EFFECTING FORMATION OF SAID VISUAL DISPLAY OF SAID TARGET INDICIUM AS AN ARCUATELY WIDENED SPOT AS COMPARED TO SAID POINT SPOT TARGET INDICATOR DISPLAY INDICIUM.