Prepayment system for electric power meters using a contactless smart card with an automatic supply cut-off device

摘要

The present invention relates to the use of the electricity energy meter (18), which is entirely integrated into a single unit, completely hidden and out of contact with the external environment, and includes the pre-paid system and more efficient way to control the electric energy supply and obtains excellent information from the electricity energy meter (18) by using the contact less smart cards (15).