Automatic meter reader with microcomputer control system

Details Automatic meter reader with microcomputer control system Automatic meter reader with microcomputer control system

H - Electricity

04

M

379/8

H04M 11/00 (2006.01)

Patent

CA 2022360

ABSTRACT An automatic meter reader for connection to a metering transducer and for connection to a telephone line to transmit modulated signals to a remote data receiving center. In one aspect of the invention the reader comprises: microcomputer means, a telephone interface for connecting to the telephone line and including relay means for establishing an off-hook condition of the telephone line fox transmission of modulated signals. Interconnecting means is connected to the metering transducer, the telephone interface and the microcomputer. The interconnecting means includes digital logic circuitry and is arranged to facilitate operations including the register of meter data by the microcomputer, transmission of signals to the interface and operation of the off-hook relay for transmission of signals from the interface to the telephone line. The microcomputer means is arranged to control development of the modulated signals from registered meter data and transmission thereof from the interconnecting means and through the telephone interface to the telephone line for reporting of registered meter data to the data receiving center.

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