Longitudinal boundary displacement recording system

Claim 1

APPARATUS FOR RECORDING AN ELECTRICAL SIGNAL ON A STORAGE MEDIUM AND REPRODUCING SAID SIGNAL THEREFROM COMPRISING MEANS FOR FORMING A SERIES OF SIGNALS OF FIRST AND SECOND POLARITIES HAVING DURATIONS WHICH ARE RELATED TO THE POLARITY AND MAGNITUDE OF THE ELECTRICAL SIGNAL TO BE RECORDED, MEANS FOR RECORDING SAID SERIES OF SIGNALS ON SAID STORAGE MEDIUM AS A SERIES OF ADJACENT OPPOSITELY POLARIZED SEGMENTS CORRESPONDING TO SAID FIRST AND SECOND POLARITIES AND HAVING BOUNDARIES THEREBETWEEN, SAID BOUNDARIES CORRESPONDING TO THE TRANSITION OF SAID SERIES OF SIGNALS FROM ONE POLARITY TO THE OPPOSITE POLARITY, MEANS FOR REPRODUCING THE SIGNALS OF SID RECORDED SEGMENTS, MEANS FOR FORMING FROM THE REPRODUCED SEGMENTS AND RESPONSIVE TO THE BOUNDARIES THEREBETWEEN A SERIES OF SIGNALS HAVING POLARITIES AND DURATIONS CORRESPONDING RESPECTIVELY TO THE SENSE OF POLARIZATION AND THE DURATION OF A CORRESPONDING REPRODUCED SEGMENT, AND MEANS FOR CONVERTING SAID SERIES OF SIGNALS INTO A SIGNAL REPRESENTATIVE OF SAID RECORDED ELECTRICAL SIGNAL.