Electrical signalling systems

Claim 1

FOR USE IN A PULSE CODE MODULATION COMMUNICATION SYSTEM, A STORAGE ARRANGEMENT FOR A SIGNAL CHARACTER INVOLVING A PREDETERMINED NUMBER OF SUCCESSIVE SIGAL ELEMENTS EACH HAVING ONE OR MORE OF TWO VALUES, COMPRISING IN COMBINATION, A PLURALITY OF CAPACITORS EQUAL IN NUMBER TO THE NUMBER OF SIGNAL ELEMENTS FORMING A CHARACTER, A LIKE PLURALITY OF TRANSISTORS RESPECTIVELY ASSOCIATED WITH SAID CAPACITORS, A PULSE SOURCE PROVIDING A SERIES OF REGULARLY RECURRING TIMING PULSES, A FURTHER TRANSISTOR, MEANS CONTROLLED BY SAID TIMING PULSES, A FURTHER TRANSISTOR, MEANS SAID FURTHER TRANSISTOR WITH EACH OF SAID PLURALITY OF TRANTRANSISTORS IN TURN TO FORM A MULTI-OIUTLET CURRENT SWITCH, CONTROL MEANS FOR SAID FURTHER TRANSISSTOR DEPENDENT ON THE VALUES OF SAID SIGNAL ELEMENTS, AND MEANS CONTROLLED RESPECTIVELY BY SAID PLURALITY OF TRANSISTORS FOR ALTERING THE STATE OF CHARGE OF ANY ONE OF SAID ASSOCIATED CAPACITORS IF SAID FURTHER TRANSISTOR IS NON-CONDUCTING DUE TO THE CORRESPONDING SIGNAL ELEMENT HAVING A PARTICULAR ONE OF SAID TWO VALUES WHEN SAID FURTHER TRANSISTOR IS ASSOCIATED WITH THE CORRESPONDING ONE OF SAID PLURALITY OF TRANSISTORS.