System for maintaining predetermined time relationship between reference signals and nformation signals

Claim 1

IN COMBINATION IN A DIGITAL INFORMATION PROCESSING SYSTEM, MASTER CLOCK CIRCUIT MEANS, DIGITAL TEST SIGNAL SOURCE MEANS RESPONSIVE TO THE OUTPUT OF SAID MASTER CLOCK CIRCUIT MEANS FOR SUPPLYING TEST SIGNALS DURING A PREDETERMINED WORK PERIOD, OUTPUT CIRCUIT MEANS, COMMUNICATION CHANNEL MEANS INCLUDING ADJUSTABLE DELAY MEANS INTERCONNECTING SAID SOURCE MEANS AND SAID OUTPUT CIRCUIT MEANS, PULSE POSITION DETECTOR MEANS INCLUDING TWO PNPN DIODE DEVICES, MEANS RESPONSIVE TO THE OUTPUT OF SAID MASTER CLOCK CIRCUIT MEANS AND CONNECTED TO SAID DETECTOR MEANS FOR RESPECTIVELY APPLYING TO THE DIODE DEVICES OF SAID DETECTOR MEANS TWO SETS OF TIMING SIGNALS DURING SAID PREDETERMINED WORD PERIOD, MEANS INTERCONNECTING SAID MASTER CLOCK CIRCUIT MEANS AND SAID OUTPUT CIRCUIT MEANS, MEANS CONNECTED BETWEEN THE OUTPUT OF SAID ADJUSTABLE DELAY MEANS AND AN INPUT OF SAID DETECTOR FOR COUPLING DIGITAL TEST SIGNALS TO EACH OF THE DIODE DEVICES OF SAID DETECTOR DURING SAID PREDETERMINED WORD PERIOD, AND MEANS INTERCONNECTING THE OUTPUT OF SAID DETECTOR AND SAID ADJUSTABLE DELAY MEANS FOR COUPLING TO SAID DELAY MEANS SIGNALS FROM THE DETECTOR REPRESENTATIVE OF THE TIME RELATIONSHIP BETWEEN SAID TIMING AND SAID TEST SIGNALS, SAID ADJUSTABLE DELAY MEANS INCLUDING MEANS RESPONSIVE TO THE SIGNALS FROM SAID DETECTOR FOR SELECTIVELY CONTROLLING THE NUMBER OF DIGIT PERIODS OF DELAY INCLUDED IN SAID DELAY MEANS.