Pulse train producing apparatus

Claim 1

VARIABLE PULSE TRAIN PRODUCING APPARATUS COMPRISING: A PULSE TRAIN OUTPUT SECTION AND A PULSE TRAIN CHARACTERISTIC CONTROL SECTION THEREFOR; SAID PULSE TRAIN OUTPUT SECTION INCLUDING FIRST AND SECOND CURRENT CONDUCTABLE MEANS WITH FIRST AND SECOND SETTABLE CONDUCTION CONDITIONS THEREIN, AND CURRENT-IN AND CURRENT-OUT TERMINALS THEREFOR, SAID FIRST AND SECOND CURRENT CONDUCTABLE MEANS HAVING FIRST AND SECOND PULSE OUTPUT TERMINALS AND FIRST AND SECOND CURRENT CONDITION CONTROL MEANS RESPECTIVELY, MEANS FOR PROVIDING FIRST AND SECOND DIRECT POTENTIAL LEVEL SOURCES CONNECTED RESPECTIVELY TO SAID CURRENT-IN AND SAID CURRENTOUT TEREMINALS, FIRST AND SECOND RELAXATION TIME NETWORK MEANS HAVING RESPECTIVE RELAXATION-TIMES CONNECTED RESPECTIVELY BETWEEN SAID FIRST CURRENT-IN TERMINAL AND SAID SECOND CONTROL MEANS AND BETWEEN SAID SECOND CURRENT-IN TERMINAL AND SAID FIRST CONTROL MEANS; SAID PULSE CHARACTERISTIC CONTROL SECTION INCLUDING A PULSE TRAIN AMPLITUDE CHARACTERISTIC CONTROL PORTION AND A PULSE TRAIN TIMING CHARACTERISTIC CONTROL PORTION; A FIRST SELECTIVELY ADJUSTABLE VOLTAGE SOURCE; SAID AMPLITUDE CONTROL PORTION INCLUDING AN OR CIRCUIT CONNECTED TO SAID CURRENT-IN TERMINALS ESTABLISHING A COMMON JUNCTION AT A VOLTAGE LEVEL INTERMEDIATE SAID FIRST VOLTAGE LEVEL SOURCE AND SAID SECOND VOLTAGE LEVEL SOURCE, SAID COMMON JUNCTION BEING CONNECTED TO SAID SECOND VOLTAGE LEVEL SOURCE VIA THE FIRST ADJUSTABLE VOLTAGE SOURCE; SAID TIMING CHARACTERISTIC CONTROL PORTION INCLUDING A SECOND ADJUSTABLE VOLTAGE SOURCE CONNECTED BETWEEN SAID OR CIRCUIT COMMON JUNCTION AND SAID RELAXATION-TIME NETWORK MEANS; WHEREBY VARIATION OF THE VOLTAGE ACROSS SAID FIRST ADJUSTABLE VOLTAGE SOURCE CONTROLS SAID PULSE AMPLITUDE CHARACTERISTIC AND VARIATION OF THE VOLTAGE ACROSS SAID SECOND ADJUSTABLE VOLTAGE SOURCE CONTROLS SAID TIMING CHARACTERISTIC.