Remote automatic reading system

Details Remote automatic reading system Remote automatic reading system

H - Electricity

04

Q

379/8

H04Q 9/00 (2006.01)

Patent

CA 1062349

ABSTRACT OF THE DISCLOSURE Utility or industrial meters having rotating elements are monitored by an automatic reading unit through which digital input data is stored and read out in response to interrogation by a coded polling signal transmitted to the unit through telephone lines. Readout occurs during a transmit cycle and includes the serial transfer of stored digital data to digital synthesizers through which data is converted to a sinusoidal analog signal transmitted by the telephone lines for decoding at a data collecting station. By the addition of optional components, time of day metering, demand and the exercise of control functions at a remote site may be effected.

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