Pulse generator employing serially connected delay lines

Claim 1

A PULSE GENERATOR COMPRISING, IN COMBINATION: A NORMALLY DISABLED INPUT COINCIDENCE GATE; A PLURALITY OF DELAY MEANS CONNECTED ONE TO ANOTHER TO PROVIDE SUCCESSIVE DELAYS TO A SIGNAL, THE FIRST SUCH DELAY MEANS BEING CONNECTED TO RECEIVE THE OUTPUT OF THE COINCIDENCE GATE AND THE LAST SUCH DELAY MEANS NORMALLY SUPPLYING ITS OUTPUT AS A PRIMING SIGNAL TO THE COINCIDENCE GATE; A PLURALITY OF TWO INPUT LOGIC CIRCUITS, EACH CONNECTED AT ITS TWO INPUTS ACROSS AT LEAST ONE DELAY MEANS, AND AT LEAST SOME OF SAID LOGIC CIRCUITS PRODUCING AN OUTPUT SOLELY IN RESPONSE TO THE CONCURRENCE AT ITS TWO INPUTS OF THE PRESENCE OF ONE SIGNAL AND THE ABSENCE OF ANOTHER SIGNAL, RESPECTIVELY; AND MEANS COUPLED TO SAID INPUT COINCIDENCE GATE, FOR APPLYING AN ENABLING SECOND INPUT THERETO.