Display circuit for battery powered digital meter

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With voltage or current conversion

Patent

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Details

324 99D, 340347AD, G01R 1926, H03K 1320

Patent

active

039900088

ABSTRACT:
A digital meter incorporates a circuit which senses the input voltage and automatically energizes a digital readout device only if the input voltage is greater than a predetermined absolute value.

REFERENCES:
patent: 3316547 (1967-04-01), Ammann
patent: 3896375 (1975-07-01), Trolliet

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