Boat sinking warning device

Details Boat sinking warning device Boat sinking warning device

1991-03-11

1992-07-14

Ng, Jin F.

Communications: electrical

Watercraft alarm or indicating systems

114183R, 340620, G08B 2300

Patent

active

051307081

ABSTRACT:
The boat sinking warning device is hermetically sealed box, to be permanently installed in the bilge area of a boat, to give an audio frequency or radio frequency warning if a boat is leaking. It comprises two externally exposed conductive terminals, and an electronic circuit to sense the presence of water across these terminals and thereby continually sound an audio alarm or radiate a radio-frequency signal to a remote facility.

REFERENCES:
patent: 4341178 (1982-07-01), Price
patent: 4542373 (1985-09-01), Hillock
patent: 4697535 (1987-10-01), Wileman, III
patent: 4841282 (1989-06-01), Reis
patent: 5047753 (1991-09-01), Birchfield
patent: 5051744 (1991-09-01), Ewart

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