Signal clipping circuit arrangements

Claim 1

A SINGAL CLIPPING CIRCUIT ARRANGEMENT PROVIDING AN OUTPUT WHICH IS A CLIPPED REPRODUCTION OF AN INPUT SIGNAL, SAID CIRCUIT ARRANGEMENT COMPRISING A FIRST UILATERALLY CONDUCTIVE DEVICE HAVING INPUT AND OUTPUT TERMINALS; A LOOP CIRCUIT CONNECTED ACROSS SAID TERMINALS AND INCLUDING A PHASE INVERTER; AND A SECOND UNILATERALLY CONDUCTIVE DEVICE FOR CLIPPING INPUT SIGNALS APPLIED THERETO AND BEING CONNECTED TO APPLY THE CLIPPED SIGNALS TO SAID INPUT TERMINAL, SAID OUTPUT BEING TAKEN FROM THE OUTPUT TERMINAL OF SAID FIRST DEVICE AND COMPRISING A COMBINATION OF SIGNALS TAKEN FROM A FIRST CIRCUIT PATH AND A SECOND CIRCUIT PATH LEADING TO SAID OUTPUT TERMINAL, SAID FIRST CIRCUIT PATH INCLUDING THE FIRST UNILATERALLY CONDUCTIVE DEVICE AND SAID SECOND CIRCUIT PATH INCLUDING THE PHASE INVERTER, AND CIRCUIT PARAMETERS BEING SO ARRANGED THAT PREDETERMINED PORTIONS OF THE CLIPPED SIGNALS PASSED BY SAID FIRST UILATERALLY CONDUCTIVE DEVICE TO SAID OUTPUT TERMINAL CANCEL CORRESPONDING PORTIONS OF INVERTED REPLICAS OF THE CLIPPED SIGNALS PASSED BY SAID LOOP CIRCUIT TO SAID OUTPUT TERMINAL.