BigPatents India

A prepaid-post paid electricity supply machine, comprising pes bit with pre paid unit details phone 1, reads the units from energy meter, conveys message to pes bit 2 with the help of aerial and net work, characterized in that pes bit 1 compares the read units with the pre paid units and stops the message to pes bit 2 when the prepaid units are exhausted, when no message is received by pes bit 2, pes bit 2 switches off the supply. Drawing: 10 Sheets Total Pages: 30 Fig. Nil