Plural channel recording system

Claim 1

IN SYSTEM FOR SIMULTANEOUSLY TRANSMITTING INFORMATION BITS IN SYNCHRONISM WITH A SOURCE OF CLOCK PULSES TO THE OUTPUTS OF A PLURALITY OF SEPARATE CHANNELS IN RESPONSE TO A BINARY INPUT INFORMATION SIGNAL IN EACH CHANNEL IN THE FORM OF TWO DISTINCT VOLTAGE LEVELS REPRESENTING THE TWO BINARY DIGITS, THE COMBINATION COMPRISING IN EACH CHANNEL: FIRST GATING MEANS RECEIVING THE DIGITAL INFORMATION SIGNAL AND A SERIES OF CLOCK PULSES FROM SAID SOURCE FOR PASSING OUTPUT PULSES REPRESENTING BITS OF THE DIGITAL INFORMATION SIGNAL UPON THE COINCIDENT RECEIPT OF ONE LEVEL OF THE DIGITAL INFORMATION SIGNAL AND THE CLOCK PULSES; SWITCHING MEANS FOR SWITCHING BETWEEN FIRST AND SECOND STABLE STATES TO DEVELOP OUTPUT SIGNALS OF DIFFERENT MAGNITUDES IN RESPONSE TO SUCCESSIVE INPUT PULSES OF DIGITAL INFORMATION; SECOND GATING MEANS RESPONSIVE TO THE FIRST STATE OF THE SWITCHING MEANS AND A RESET PULSE APPLIED SIMULTANEOUSLY TO THE SECOND GATING MEANS IN EACH CHANNEL FOR GENERATING A RESET PULSE SIGNAL; AND MEANS INCLUDING A VARIABLE DELAY CIRCUIT FOR COUPLING THE OUTPUT PULSES OF THE FIRST AND SECOND GATING MEANS TO THE INPUT OF THE SWITCHING MEANS, WHEREBY THE SWITCHING MEANS IN THE SEVERAL CHANNELS CAN BE OPERATED IN THE SAME TIME RELATION IN RESPONSE TO EITHER DIGITAL INFORMATION PULSES OR TO RESET PULSES.