ELECTRICITY METER Russian patent published in 1998 - IPC

FIELD: electrical power engineering, measurement of A C and D C electric energy. SUBSTANCE: proposed electricity meter additionally includes device to read and record information from electron card, second reversible counter, decoder, signalling device, device disconnecting user from power supply network. Device to read and record information from electron card has power supply unit of electron card, device for input-output of digital information, information reading unit, information analyzer, unit for output and erasure of information on amount of energy given on credit, logic circuit, pickup of synchronizing pulses, pickup of information pulses, pickup of received information pulses and logic AND gate. EFFECT: adoption of proposed meter shall make it possible to solve to considerable degree problem of default of payment in electric power supply systems. 1 cl, 2 dwg