Multiple bistable element shift register

Claim 1

SHIFT REGISTER INCLUDING A FIRST BISTABLE SWITCHING ELEMENT, A PLURALITY OF ADDITIONAL BISTABLE SWITCHING ELEMENTS AND A SOURCE OF SHIFT REGISTER PULSES, COMPRISING: MEANS FOR CONNECTING SAID BISTABLE ELEMENTS IN SERIES AND FOR CONNECTING ALL OF THEM AT SAID SOURCE OF PULSES SO THAT ANY PULSE FROM SAID SOURCE SWITCHES ANY ADDITIONAL ELEMENT WHICH IS IN THE OPPOSITE SWITCHING STATE FROM ITS IMMEDIATELY PRECEDING ELEMENT, SAID FIRST ELEMENT HAVING TWO INPUT TERMINALS FOR INITIATING OPPOSITE SWITCHING RESPONSES OF SAID FRIST ELEMENT; AN "AND" GATE HAVING A PLURALITY OF GATING TERMINALS RESPECTIVELY CONNECTED TO SAID BISTABLE ELEMENTS, FURTHER HAVING AN OUTPUT TERMINAL CONNECTED TO ONE OF SAID INPUT TERMINALS OF SAID FIRST ELEMENT AND HAVING A MAIN INPUT TERMINAL CONNECTERD TO SAID PULSE SOURCE; AND A SECOND "AND" GATE HAVING INPUT, OUTPUT AND GATING TERMINALS, SAID LATTER INPUT TERMINAL BEING CONNECTED TO SAID PULSE SOURCE, SAID LATTER OUTPUT TERMINAL BEING CONNECTED TO THE OTHER INPUT TERMINAL OF SAID FIRST ELEMENT, AND SAID LATTER GATING TERMINAL BEING CONNECTED TO ONE OUTPUT TERMINAL OF SAID FIRST ELEMENT.