Pulse rate controller

Claim 1

APPARATUS FOR CONTROLLING THE PULSE RATE OF A VARIABLE FREQUENCY PULSE SOURCE, SAID FREQUENCY BEING RESPONSIVE TO AN ANALOG CONTROL SIGNAL, WHICH COMPRISES IN COMBINATION: (A) PROGRAMMING MEANS ALTERNATELY AND REPETITIVELY PRODUCING FIRST AND SECOND COMMAND PULSES WHICH ARE NONCOEXISTENT; (B) VARIABLE TIME GATING MEANS GENERATING A COUNTER ENABLING PULSE OF ADJUSTABLE TIME DURATION IN RESPONSE TO SAID FIRST COMMAND PULSE; (C) A COUNTER ADAPTED TO RECEIVE AND COUNT SAID VARIBLE FREQUENCY PULSES IN RESPONE TO AND ONLY FOR THE DURATION OF SAID COUNTER ENABLING PULSE; (D) REGISTER MEANS PRODUCING AN ANALOG REGISTER SIGNAL PROPORTIONAL TO THE TOTAL COUNT STORED THEREIN; (E) REGISTER INPUT MEANS FOR TRANSFERRING FROM SAID COUNTER TO THE REGISTER MEANS, IN RESPONSE TO SAID SECOND COMMAND PULSE, THE TOTAL COUNT REACHED BY SAID COUNTER DURING THE EXISTENCE OF SAID COUNTER ENABLING PULSE; AND (F) AN INTEGRATING AMPLIFIER RECEIVING SAID REGISTER SIGNAL AND PRODUCING AS ITS OUTPUT SIGNAL SAID ANALOG CONTROL SIGNAL.