| 摘要 |
<p>A telemetry terminal for controlling and metering consumption of electricity, water etc., at a consumer's premises comprises a programmable processor (43) which has means (42) to receive instructions over the phone line to operate switching controls (48) and to transmit readings stored in the processor (43) from meters (46, 47) to a central control station over the phone line, and may include a switching control routine in the event of an interruption to the phone line.</p> |
