Tuning device with battery condition display
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 25, 1992
Grant Date -
N/A
app pub date -
Dec 20, 1990
filing date -
Dec 20, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tuning device provided with an A/D conversion circuit receiving a battery voltage as an input and an averaging circuit averaging values obtained through A/D conversion and converting it into display data for display of an averaged voltage value. Therefore, an operator can be informed of the current residual electric energy of a battery even when a reference sound is being produced, and thereby correct operation can be verified.
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Family
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Cited Art Landscape
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