Elektrienergia ettemaksemeetod, meetod elektrienergia tarneks m??teseadmesse ning ettemakse ja elektrienergia tarne juhtimise süsteem

摘要

The prepayment system is integrally provided in a meter which is in a completely covered state. An automatic supply cut-off device controls the supply of electric power based on the prepaid information received from non-contact smart card used with meter.