Swimming pool alarm

Details Swimming pool alarm Swimming pool alarm

1984-02-13

1986-02-18

Rowland, James L.

Communications: electrical

Condition responsive indicating system

Specific condition

367136, 367162, 367166, 367157, G08B 1300

Patent

active

045715793

ABSTRACT:
A swimming pool alarm consists of a sensor suspended beneath the water surface of the pool, including an electrical resonator element and a captive element agitatable by the pool water adjacent the resonator element, and an alarm device external of the pool which responds to the amplitude of resonance of the resonator element exceeding a certain level.

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patent: 4170769 (1979-10-01), Morris et al.
patent: 4187502 (1980-02-01), Beverly et al.
patent: 4322714 (1982-03-01), Morgan
patent: 4490640 (1984-12-01), Honda

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