Moisture detecting and alarm device
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United States of America Patent
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Apr 28, 1981
Grant Date -
N/A
app pub date -
Jul 17, 1978
filing date -
Jul 17, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A water detector alarm is disclosed. The device includes a power supply, an alarm unit, moisture detecting electrodes and circuitry for activating the alarm unit in response thereto, and a power monitoring unit for monitoring the power supply and activating the alarm unit when the power supply grows weak, with a frequency noticeably distinct from the water presence alarm frequency.
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