Apparatus for modifying the timing characteristic of a signal

Claim 1

APPARATUS FOR MODIFYING THE TIMING CHARACTERISTIC OF PERIODICALLY VARYING SIGNALS INCLUDING SYNCHRONIZING SIGNAL COMPONENTS AND INFORMATION CARRYING COMPONENTS, COMPRISING A TRANSMISSION CHANNEL FOR SAID SIGNALS, CONTROLLABLE SIGNAL GATING MEANS CONNECTED TO RECEIVE SAID PERIODICALLY VARYING SIGNALS, MEANS RESPONSIVE TO SAID PERIODICALLY VARYING SIGNALS FOR ESTABLISHING A REFERENCE LEVEL FOR SIGNALS RECEIVED BY SAID GATING MEANS, BISTABLE TRIGGER MEANS CONNECTED TO RECEIVE THE OUTPUT OF SAID GATING MEANS, MEANS RESPONSIVE TO THE OUTPUT OF SAID TRIGGER MEANS FOR PRODUCING PULSES, MEANS FOR PRODUCING PERIODICALLY VARYING REFERENCE SIGNALS AT THE AVERAGE FREQUENCY OF SAID PULSES, MEANS RESPONSIVE TO SAID PERODICALLY VARYING SIGNAL FOR SUPPLYING CONTROL SIGNALS TO SAID GATING MEANS TO GATE THE SAME, ADJUSTABLE SIGNAL TIME DELAY MEANS IN SAID TRANSMISSION CHANNEL, DETECTOR MEANS JOINTLY RESPONSIVE TO SAID PULSES AND TO SAID REFERENCE SIGNALS FOR PRODUCING A DIFFERENCE SIGNALS REPRESENTATIVE OF INSTANTANEOUS TIMING DIFFERENCES BETWEEN SAID PULSES AND SAID REFERENCE SIGNALS, AND MEANS FOR SUPPLYING SAID DIFFERENCE SIGNAL IN PUSH-PULL TO SAID TIME DELAY MEANS TO CONTROL THE TIME DELAY CHARACTERISTIC THEREOF.