Pulse communication system

Claim 1

A PULSE COMMUNICATION SYSTEM COMPRISING A TRANSMITTER AND A RECEIVER, SAID TRANSMITTER COMPRISING MEANS FOR PRODUCING AN INFORMATION-CARRYING PULSE TRAIN, SIGNAL DELAY MEANS COUPLED TO SAID PULSE TRAIN PRODUCING MEANS FOR DELAYING SAID PULSE TRAIN FOR A PREDETERMINED TIME INTERVAL AND SIGNAL TRANSAMISSION MEANS COUPLED TO SAID PULSE TRAIN PRODUCING MEANS AND TO SAID DELAY MEANS FOR TRANSMITTING SIGNALS REPRESENTATIVE OF DELAYED AND UNDELAYED PULSE TRAINS TO SAID RECEIVER, SAID RECEIVER COMPRISING FIRST AND SECOND SIGNAL PROCESSING CHANNELS FOR RECEIVING AND PROCESSING SIGNALS REPRESENTATIVE OF DELAYED AND UNDELAYED PULSE TRAINS RESPECTIVELY, EACH OF SAID SIGNAL PROCESSING CHANNELS COMPRISING SAMPLING MEANS FOR COMPARING CHARACTERISTICS OF THE PULSE TRAIN PROCESSED IN THAT CHANNEL WITH LIKE CHARACTERISTICS OF AN UNDISTORTED PULSE TRAIN, EACH OF SAID CHANNELS FURTHER COMPRISING DISTORTION INDICATING MEANS COUPLED TO SAID SAMPLING MEANS FOR PRODUCING DISTORTION INDICATIONS IN RESPONSE TO DEVIATIONS IN EXCESS OF A PREDETERMINED ALLOWABLE LIMIT OF THE CHARACTERISTICS OF A PROCESSED PULSE TRAIN FORM THE LIKE CHARACTERISTICS OF SAID UNDISTORTED PULSE TRAIN, SAID SECOND CHANNEL FURTHER COMPRISING MEANS FOR DELAYING THE PULSE TRAIN PROCESSED IN SAID SECOND CHANNEL FOR A TIME DURATION EQUAL TO THE TIME DELAY PRODUCED BY SAID SIGNAL DELAY MEANS IN SAID TRANSMITTER, SAID RECEIVER FURTHER COMPRISING CHANNEL SELECTION MEANS FOR SELECTING THE OUTPUT OF ONE OF SAID CHANNELS AND, IN RESPONSE TO A DISTORTION INDICATION, FOR SELECTING THE OUTPUT OF THE OTHER OF SAID TOW CHANNELS FOR TRANSMISSION, TO A UTILIZATION DEVICE, OF A SINGLE PULSE TRAIN DERIVED FROM SUBSTANTIALLY UNDISTORTED SEGMENTS OF THE TWO PULSE TRAINS PROCESSED IN SAID TWO CHANNELS.