Automatic control equipment for a stage lighting system

Claim 1

AUTOMATICALLY CONTROLLED STAGE LIGHTING SYSTEM COMPRISING A NUMBER OF INDIVIDUALLY CONTROLLABLE LAMP GROUPS, EACH-HAVING ITS OWN CONTROL CIRCUIT, EACH OF SAID CONTROL CIRCUITS HAVING AT LEAST ONE LIGHTING INTENSITY REGULATOR SAID REGULATORS BEING REMOTE CONTROLLED; SAID LIGHTING SYSTEM COMPRISING A MANUALLY OPERATED DIMMER REGISTER, A LONG TIME MEMORY SYSTEM, PREFERABLY A PUNCH CARD SYSTEM, A SHORT TIME MEMORY STSTEM PREFERABLY A RELAY REGISTER AND A SENSING DEVICE; SAID MANUALLY OPERATED DIMMER REGISTER COMPRISING A NUMBER OF CONTROL CIRCUITS, SO-CALLED DIMMERS, SAID DIMMERS BEING ARRANGED TO DELIVER CONTROL SIGNALS TO SAID LIGHTING INTENSITY REGULATORS CORRESPONDING TO THE DESIRED SETTING OF SAID LAMP GROUPS, SAID LONG TIME MEMORY SYSTEM BEING ARRANGED TO RECORD AND TO REPRODUCE SAID CONTROL SIGNALS CORRESPONDING TO SAID DESIRED SETTINGS AND HAVING A CAPACITY AT LEAST CORRESPONDING TO THE PRODUCT OF THE NUMBER OF LIGHTING INTENSITY REGULATORS AND A NUMBER OF SETTING STEPS; SAID SHORT TIME MEMORY SYSTEM HAVING A NUMBER OF MEMORY CIRCUITS CORRESPONDING TO THE NUMBER OF SAID LIGHTING INTENSITY REGULATORS; SAID SENSING DEVICE BEING COMMON TO A NUMBER OF SAID LIGHTING INTENSITY REGULATORS AND BEING ARRANGED FOR CONSECUTIVE SENSING OF THE CONTROL SIGNAL FOR THE CORRESPONGING LIGHTING INTENSITY REGULATORS AND FOR TRANSMITTING THESE SIGNALS TO THE SHORT TIME MEMORY SYSTEM; SAID SHORT TIME MEMORY SYSTEM BEING ARRANGED TO RECORD SAID CONTROL SIGNALS TRANSMITTED FROM THE SENSING DEVICE AND TO TRANSMIT THEM TO THE LONG TIME MEMORY SYSTEM, SAID LONG TIME MEMORY SYSTEM BEING ARRANGED DURING REPRODUCTION TO TRANSMIT TO THE SHORT TIME MEMORY SYSTEM CONTROL SIGNALS RECORDED IN THE LONG TIME MEMORY SYSTEM; SAID SHORT TIME MEMORY SYSTEM BEING ARRANGED TO RECORD SIGNALS FROM THE LONG TIME MEMORY SYSTEM AND TO TRANSMIT THEM TO SAID LIGHTING INTENSITY REGULATORS.