Relay switching circuit

Claim 1

IN A CONTROL CIRCUIT FOR CONNECTION TO AN A.C. SOURCE OF POWER, A CONTROL MEMBER HAVING CONTACTS FOR PERFORMING A CONTROL FUNCTION AND A COIL, A SILICON CONTROLLED RECTIFIER HAVING AN ANODE AND CATHODE CONNECTED DIRECTLY IN SERIES WITH SAID COIL, ONE SIDE OF SAID RECTIFIER BEING CONNECTED DIRECTLY TO THE A.C. SOURCE AND ONE SIDE OF SAID COIL BEING DIRECTLY CONNECTED TO THE OTHER SIDE OF THE A.C. SOURCE, AN ANTENNA ARRANGED FOR HUMAN CONTACT AND A HIGH RESISTANCE CONNECTION BETWEEN SAID ANTENNA AND THE GATE OF SAID RECTIFIER, A BIASING RESISTOR CONNECTED BETWEEN THE GATE AND CATHODE OF SAID RECTIFIER FOR BIASING SAID RECTIFIER BELOW CUT-OFF, A SECOND ANTENNA ARRANGED FOR HUMAN CONTACT AND A HIGH RESISTANCE CONNECTION BETWEEN SAID SECOND ANTENNA AND SAID CATHODE, HUMAN CONTACT WITH BOTH ANTENNAS BEING EFFECTIVE TO APPLY AN OPERATING POTENTIAL FROM THE A.C. SOURCE TO THE GATE TO OPERATE THE RECTIFIER, WITH SAID RECTIFIER REVERTING TO A CUT-OFF CONDITION ON THE NEXT HALF CYCLE OF THE A.C. SOURCE.