Supervisory remote control apparatus

Claim 1

APPARATUS FOR CONTROLLING REMOTELY FROM A SENDING STATION AT LEAST ONE DEVICE AT A RECEIVING STATION, SAID RECEIVING STATION INCLUDING AN INDICATION SYSTEM FOR INDICATING THE CONDITION OF SAID DEVICE AND RELATED DEVICES, THERE BEING A CONTROL COMMUNICATION CHANNEL AND AN INDICATION COMMUNICATION CHANNEL BETWEEN SAID SENDING AND RECEIVING STATIONS, SAID CONTROL CHANNEL TO TRANSMIT SIGNALS FROM SAID SENDING TO SAID RECEIVING STATION TO ACTUATE SAID DEVICE AND SAID INDICATION CHANNEL TO TRANSMIT SIGNALS FROM SAID RECEIVING TO SAID SENDING STATION, THE SAID APPARATUS INCLUDING MANUALLY OPERABLE SWITCH MEANS FOR SETTING THE DESIRED CONDITION OF SAID DEVICE, AUTOMATICALLY OPERABLE SWITCH MEANS FOR SETTING THE CONDITION OF SAID DEVICE, MEANS CONNECTED TO SAID MANUALLY OPERABLE SWITCH MEANS AND ACTUABLE RESPONSIVE TO THE SETTING THEREOF FOR TRANSMITTING A SIGNAL CORRESPONDING TO SAID LAST-NAMED SETTING OVER SAID CONTROL CHANNEL TO SAID RECEIVING STATION, MEANS RESPONSIVE TO A SIGNAL RECEIVED BY SAID SENDING STATION THROUGH SAID INDICATION CHANNEL CONNECTED TO SAID AUTOMATICALLY OPERABLE SWITCH MEANS FOR SETTING SAID LASTNAMED SWITCH MEANS IN ACCORDANCE WITH SAID RECEIVED SIGNAL, MEANS CONNECTED TO SAID AUTOMATICALLY OPERABLE SWITCH MEANS AND ACTUABLE RESPONSIVE TO THE SETTING THEREOF FOR TRANSMITTING TO SAID RECEIVING STATION A SIGNAL OVER SAID CONTROL CHANNEL CORRESPONDING TO SAID LAST-NAMED SETTING, SAID MEANS RESPONSIVE TO A SIGNAL RECEIVED BY SAID SENDING STATION INCLUDING MEANS FOR RESETTING SAID APPARATUS FOLLOWING THE TRANSMITTING OF A SIGNAL TO SAID RECEIVING STATION, AND INTERLOCK MEANS BETWEEN SAID MEANS CONNECTED TO SAID MANUALLY OPERABLE SWITCH MEANS AND SAID MEANS CONNECTED TO SAID AUTOMATICALLY OPERABLE SWITCH MEANS PREVENTING THE ACTUATION OF ONE OF SAID LASTNAMED CONNECTED MEANS IF THE OTHER CONNECTED MEANS IS PREVIOUSLY ACTUATED.