Moisture detecting and alarm device

Details Moisture detecting and alarm device Moisture detecting and alarm device

1978-07-17

1981-04-28

Brown, Thomas W.

Communications: electrical

Condition responsive indicating system

Specific condition

200 6105, 324 65P, 340636, G08B 300, G08B 2300, H01R 308

Patent

active

042649013

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.

REFERENCES:
patent: 3098116 (1963-07-01), Jore et al.
patent: 3728706 (1973-04-01), Tipton et al.
patent: 3864627 (1975-02-01), Shigo
patent: 3927370 (1975-12-01), DeBough
patent: 3958157 (1976-05-01), Huang
patent: 4037206 (1977-07-01), Dobrzanski et al.
patent: 4056978 (1977-11-01), Zimmermann
patent: 4083037 (1978-04-01), Larsen

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