Light signal, in particular maritime emergency light signal,...

Details Light signal, in particular maritime emergency light signal,... Light signal, in particular maritime emergency light signal,...

2007-12-14

2010-12-28

Hunnings, Travis R (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specified housing

C340S691100

Reexamination Certificate

active

07859425

ABSTRACT:
The invention provides for exchanging a complete luminous unit (24) instead of exchanging the individual components such as a battery (64). For this purpose, at least one energy-saving light-emitting diode (56) as luminous means, a battery (64) and a magnetically actuable reed contact (66) serving as switching element are combined as luminous unit (24). The use of a cost-effective light-emitting diode (56) and a battery (64) formed in space-saving fashion in accordance with the low power demand of the light-emitting diode (56) permits a compact configuration of the luminous unit (24). The fact that the luminous unit (24) can be inserted into the floating body (22) as a unit and can be exchanged as a unit obviates a complicated battery change or change of luminous means entailing the risk of leaks.

REFERENCES:
patent: 1669055 (1928-05-01), Hogg
patent: 2397844 (1946-04-01), Dewhurst
patent: 3559224 (1971-02-01), Shimizu
patent: 3818428 (1974-06-01), Phipps et al.
patent: 3833955 (1974-09-01), Hulbert, Jr.
patent: 4464129 (1984-08-01), Vancheri et al.
patent: 4736205 (1988-04-01), Dodge
patent: 4896620 (1990-01-01), Jones
patent: 5029293 (1991-07-01), Fontanille
patent: 5520486 (1996-05-01), Van Wyck
patent: 5800044 (1998-09-01), Marshall

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