Method and apparatus for warning other boats in the proximity of a water craft for towing water skiers and other persons to be towed that the water skier is down or the person is inactive in the water
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United States of America Patent
Stats
-
Jan 10, 1995
Grant Date -
N/A
app pub date -
Sep 21, 1993
filing date -
Sep 21, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
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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