Radar apparatus incorporating a memory device in the form of a ferrite matrix

Claim 1

IN A RADAR SYSTEM, IN COMBINATION, INPUT MEANS FOR SUPPLYING RADAR SIGNALS INCLUDING INFORMATION ON THE RANGE AND ANOTHER COORDINATE OF A TARGET; A DISPLAY INDICATOR; A MEMORY DEVICE COMPRISING A MATRIX OF SEVERAL LIKE ARRAYS OF PULSE-STORAGE UNITS, EACH OF SAID ARRAYS HAVING ASSIGNED TO ITS DIFFERENT VALUE OF SAID OTHER COORDINATE OF A TARGET, THE POSITION OF A UNIT IN ITS ARRAY REPRESENTING THE RANGE OF A TARGET; DISTRIBUTOR MEANS CONNECTED TO SAID INPUT MEANS FOR PRODUCING WRITING PULSES IN RESPONSE TO SAID SIGNALS AND APPLYING EACH WRITING PULSE TO THE ARRAY ASSIGNED TO THE VALUE OF SAID COORDINATE REPRESENTED BY THE CORRESPONDING RADAR SIGNAL; TIMER MEANS FOR TESTING HOMOLOGOUS UNITS OF ALL SAID ARRAYS IN UNISON IN A SUCCESSION OF SCANNING CYCLES FOR INSCRIBING SAID WRITING PULSES THEREON AT THE INSTANTS OF THEIR OCCURRENCE, SAID INSTANTS BEING REPRESENTATIVE OF SAID RANGE, AND PRODUCING AN OUTPUT SIGNAL IN RESPONSE TO EACH INSCRIBED PULSE; AND CIRCUIT MEANS FOR SEQUENTIALLY APPLYING THE OUTPUT SIGNALS FROM RESPECTIVE ARRAYS TO SAID INDICATOR AND TRANSLATING THE TIME OF OCCURRENCE OF EACH OUTPUT SIGNAL TOGETHER WITH THE POSITION OF THE RESPECTIVE ARRAY WITHIN SAID MATRIX INTO A TWO-DIMENSIONAL DISPLAY OF THE POSITION OF A TARGET.