Swimming pool alarm system

Details Swimming pool alarm system Swimming pool alarm system

1977-12-12

1980-02-05

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

340515, 367 93, G08B 1322

Patent

active

041875028

ABSTRACT:
A swimming pool alarm system of the pressure transducer type employs an omnidirectional hydrophone which is held immersed in the swimming pool by means that mechanically decouples the hydrophone.

REFERENCES:
patent: Re28915 (1976-07-01), Ogden et al.
patent: 3009137 (1961-11-01), Cassell
patent: 3189883 (1965-06-01), Lucas et al.
patent: 3273138 (1966-09-01), Kolm
patent: 3636544 (1972-01-01), Codina
patent: 3969712 (1976-07-01), Butman et al.
patent: 4013990 (1977-03-01), Devine

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