Protection of supply metering

IN COMBINATION WITH AN ELECTRONIC CIRCUIT (10) CONTROLLED BY THE OPERATOR OF A METER FOCUSING THE SUPPLY OF GOODS (20), AN INTERFERING HIGH VOLTAGE DISCHARGE CIRCUIT IS PROVIDED, WHICH CONSISTS OF A MEMORY (14) IN WHICH IS STORED A SIGNAL MODEL USING A GUARDIAN CIRCUIT (24) WHEN AN ORDERLY BLACKOUT OF THE CONTROLLER, DUE FOR EXAMPLE, TO THE EXPIRATION OF A CREDIT, AND WHEN THE CONTROLLER IS TURNED ON AGAIN, THE GUARDIAN CIRCUIT READS THE MEMORY AND GENERATES A POWER-OFF CONTROL SIGNAL FROM THE STORED SIGNAL MODEL THAT IS NOT CONFIGURED IN THE MEMORY.