Electronic kWh meter having virtual ground isolation
Electronic meter chopper stabilization
Electronic meter digital phase compensation
Electronic meter having random access memory with passive...
Electronic multiplying circuits
Electronic revenue meter with automatic service sensing
Electronic revenue meter with automatic service sensing
Electronic type electric energy meter
Electronic type watthour meter including automatic measuring-err
Electronic volt-square-hour metering method and apparatus
Electronic watt and watthour meter having analog and digital out
Electronic watt and/or watthour measuring circuit having active
Electronic watt transducer circuit with constant DC current outp
Electronic watt-hour meter
Electronic watt-hour meter
Electronic watt-hour meter with combined multiplier/integrator c
Electronic watt-hour meter with up and down integration for erro
Electronic watt/watthour meter with automatic error correction a
Electronic watthour meter
Electronic watthour meter