Mono-stable switch and self-acting stepping chain using such switch

Claim 1

A PULSE CONTROLLED MONO-STABLE SWITCH UNIT COMPRISING A FIRST NORMALLY CONDUCTING AMPLIFYING MEANS AND A SECOND NORMALLY NON-CONDUCTING AMPLIFYING MEANS, FEEDBACK CIRCUIT MEANS INTERCONNECTING SAID AMPLIFYING MEANS, SAID FEEDBACK CIRCUIT MEANS INCLUDING A POSITIVE POTENTIAL SOURCE AND A FEEDING IMPEDANCE MEANS FOR FEEDING SAID POSITIVE POTENTIAL THERETO COMMON TO SAID FIRST AND SECOND AMPLIFYING MEANS AND A CIRCUIT CONNECTION BETWEEN THE OUTPUT OF SAID FIRST AMPLIFYING MEANS AND THE INPUT OF SAID SECOND AMPLIFYING MEANS, THE CONTROL PULSES BEING FED TO THE INPUT OF SAID FIRST AMPLIFYING MEANS, A FIRST LOAD IMPEDANCE MEANS INCLUDING A CAPACITANCE MEANS CONNECTED TO SAID SECOND AMPLIFYING MEANS, A SECOND LOAD IMPEDANCE MEANS, A SOURCE OF POTENTIAL FOR TEMPORARILY CONNECTING SAID SECOND LOAD IMPEDANCE MEANS IN PARALLEL WITH SAID FIRST LOAD IMPEDANCE MEANS, SAID FIRST LOAD IMPEDANCE MEANS HAVING AN IMPEDANCE VALUE SUCH THAT, UPON APPLICATION OF A CONTROL PULSE, SAID FIRST AMPLIFYING MEANS BECOMES INITIALLY NON-CONDUCTING AND SAID SECOND AMPLIFYING MEANS CONDUCTING AND THEN UPON THE CAPACITANCE MEANS IN SAID FIRST LOAD IMPEDANCE MEANS BEING CHARGED, THE FIRST AMPLIFYING MEANS BECOMES AGAIN CONDUCTING AND THE SECOND AMPLIFYING MEANS NON-CONDUCTING, AND SAID SECOND LOAD IMPEDANCE MEANS HAVING AN IMPEDANCE VALUE SUCH THAT UPON CONNECTION OF SAID SECOND LOAD IMPEDANCE MEANS IN PARALLEL WITH THE FIRST LOAD IMPEDANCE MEANS THE CURRENT FLOWING THROUGH SAID FEEDING IMPEDANCE MEANS WHEN AND WHILE THE SECOND AMPLIFYING MEANS IS CONDUCTING, IS SUFFICIENT TO MAINTAIN THE FIRST AMPLIFYING MEANS NON-CONDUCTING.