Communications: electrical – Watercraft alarm or indicating systems
Patent
1993-09-21
1995-01-10
Swarthout, Brent
Communications: electrical
Watercraft alarm or indicating systems
116173, 441 69, G08B 2300
Patent
active
053811410
ABSTRACT:
A method and apparatus for warning boats in the proximity of a towing water craft that a water skier is down or the person being towed is in a vulnerable position via an electrically activated, high intensity signal visual to boats in the vicinity which is connected to the electrical system for energizing the craft and to a pressure sensitive speedometer including an inlet tube, the speedometer being responsive to fluid pressure in the tube created by movement of the craft through the water, and there being a pressure switch which is closed when the movement of the craft is below a predetermined value connected to energize the signal when the pressure switch is closed. The steps comprise measuring the speed of the craft through the water via the pressure conditions of the fluid in the inlet tube and visually warning boats in the vicinity by energizing the visual signal responsive to the speed of the craft being less than a predetermined value.
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Swarthout Brent
Technological Safety Designs, Inc.
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