Automated meter reader having time synchronization circuit
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United States of America Patent
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app pub date -
Dec 22, 2005
filing date -
Oct 16, 1999
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Abandoned
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Abstract
An automated meter reading (AMR) device adapted to be synchronized by a signal provided by a remote device. The AMR device may be synchronized to a standardized clock, such as the automatic clock provided by NIST out of Boulder Colo. USA on station WWVB. Advantageously, this external clock re-synchronizes the internal clock of the AMR device to compensate for clock drift, such as caused by differences in crystal oscillation.
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