Flashing snorkel and scuba device

Details Flashing snorkel and scuba device Flashing snorkel and scuba device

1995-05-11

1997-04-22

Rowan, Kurt

Illumination

Self powered lamp

With hermetic seal

F21V 2500

Patent

active

056224222

ABSTRACT:
A scuba or snorkel device with a circuit will turn on a light (preferably an LED) one or more times over a timed flash interval but will respond to a further closure of said switch during the flash interval. A circuit is provided to prevent response to such switch if two probes do not sense that the probe is in water. The circuit preferably will time a longer interval and turn on the light if the motion responsive switch is not actuated over the longer interval.

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patent: 3323117 (1967-05-01), Mason
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patent: 4779174 (1988-10-01), Staten
patent: 4848009 (1989-07-01), Rodgers
patent: 5034847 (1991-07-01), Brain
patent: 5070437 (1991-12-01), Roberts
patent: 5188447 (1993-02-01), Chiang et al.

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