US 6,086,220 A · Marine safety light

Abstract

A marine safety light for maximizing a boat's visibility to other boaters during darkness and inclement weather conditions consisting of a LED array which consists of a plurality of LEDs arranged in a star configuration. The LED array preferably consists of six white LEDs evenly spaced in the horizontal plane and positioned within a fresnel lens such that an even omni-directional distribution of light is emitted. LED array is powered using a power circuit which includes two conventional DC to DC converters which regulate the output voltage, allowing the marine light to operate at a constant brightness for a substantial period of time on a conventional 1.5 volt power source. Further, the power circuit automatically shuts the marine safety light off when sufficient ambient light is available and provides a continuous flashing signal when the power source is low.

Claims10

Dependent claims

A marine safety light for a boat for alerting other vessels of the presence of the boat, said marine safety light comprising:

(a) an array of light emitting diodes having a uniform star configuration around a centre point such that the light emitting diodes are equally spaced around the centre point and such that the light emitting diodes face outwardly from the centre point;
(b) a light transmitting member surrounding the array of light emitting diodes;
and
(c) a power supply for supplying electrical power to the array of light emitting diodes, said power supply comprising a power circuit and a battery such that power circuit provides uniform light output over the course of the lifetime of the battery, the power circuit including a low battery circuit which causes the power circuit to turn the electrical power on and off continuously when the battery is low.

1 more element

Dependencies are inferred from the claim text.

Marine safety light

Life of this patent

Marine safety light

Life of this patent

Abstract

Claims10