Electric control circuits for sequential operation of motive means

Claim 1

A CIRCUIT FOR CONTROLLING A PLURALITY OF SEQUENTIAL MOTIVE OPERATIONS COMPRISING: (A) A PLURALITY OF INPUT TERMINALS ADAPTED TO BE INDIVIDUALLY COUPLED TO A LIKE PLURALITY OF SEQUENTIAL CONTROL SIGNALS, RESPECTIVELY; (B) A POWER TERMINAL ADAPTED TO BE COUPLED TO A SOURCE OF ALTERNATING CURRENT; (C) PULSE SHAPING MEANS COUPLED TO SAID POWER TERMINAL FOR GENERATING PULSES IN SUBSTANTIAL PHASE SYNCHRONISM WITH THE ZERO CROSS-OVER POINTS OF SAID ALTERNATING CURRENT; (D) BILATERAL CURRENT CONDUCTING SOLID STATE MEANS HAVING A CURRENT THRESHOLD VALUE AND AT LEAST TWO ELECTRODES AND A GATE ELECTRODE FOR TRANSLATING CURRENT APPLIED TO SAID POWER TERMINAL ABOVE SAID THRESHOLD VALUE IN RESPONSE TO A GATING SIGNAL AT SAID GATE ELECTRODE; (E) ALTERNATING CURRENT MOTIVE MEANS COUPLED TO SAID SOLID STATE MEANS FOR RECEIVING ENERGIZING CURRENT THEREFROM;