Electronic counter coincidence circuit

Claim 1

A COINCIDENCE CIRCUIT FOR A REVERSIBLE COUNTER CAPABLE OF ADDING AND SUBSTRACTING PULSES APPLIED THERETO, WHICH COMPRISES: (A) A PAIR OF CONDUCTORS OVER WHICH INPUT PULSES ARE TRANSMITTED ONE, CONDUCTOR BEING PROVIDED FOR INPUT PULES TO BE ADDED AND THE OTHER CONDUCTOR BEING PROVIDED FOR INPUT PULSES TO BE SUBTRACTED; (B) A PAIR OF STORAGE DEVICES, EACH STORAGE DEVICE BEING ASSOCIATED WITH ONE OF THE INPUT CONDUCTORS SO THAT INPUT PULSES ARE INDEPENDENTLY STORED THEREIN; (C) CONTINUOUSLY OPERABLE MEANS FOR ALTERNATELY READING OUT PULSES STORED IN THE STORAGE DEVICES; (D) MEANS RESPONSIVE TO A PULSE READ OUT FROM THE STORAGE DEVICE IN WHICH PULSES TO BE ADDED ARE STORED FOR CONDITIONING THE COUNTER FOR AN ADDING OPERATION AND ALSO RESPONSIVE TO A PULSE READ OUT FROM THE STORAGE DEVICE IN WHICH PULSES TO BE SUBTRACTED ARE STORED FOR CONDITIONING THE COUNTER FOR A SUBTRACTING OPERATION; AND (E) MEANS FOR REDUCING THE TIME PERIOD OF THE PULSES READ OUT FROM THE STORAGE DEVICES AND FOR CAUSING THE REDUCED PULSES TO BE APPLIED TO THE COUNTER A PREDETERMINED TIME PERIOD AFTER THE COUNTER HAS BEEN CONDITIONED FOR THE RECEIPT THEREOF, INPUT PULSES RECEIVED AT SUBSTANTIALLY THE SAME TIME BEING SERIALLY TRANSMITTED TO THE COUNTER WITH A DISTINCT TRANSITION PROVIDED THEREBETWEEN.