Night vision goggle compatible alarm

Details Night vision goggle compatible alarm Night vision goggle compatible alarm

1987-07-30

1989-07-18

Crosland, Donnie L.

Communications: electrical

Aircraft alarm or indicating systems

Nonairplane

73178H, 250213VT, 350538, 362 29, 340963, G08B 2100

Patent

active

048497550

ABSTRACT:
A visual alarm suitable for use with night vision goggles comprises a red incandescent lamp (105); a blue, green or blue-green electroluminscent panel (130); and control means to sequentially activate the above-mentioned light sources. Brief activation of the red lamp causes momentary partial blooming of the night vision goggles to warn of an emergency condition. Subsequent steady energization of the electroluminescent panel provides a continuous observable alarm which does not interfere with operation of the night vision goggles.

REFERENCES:
patent: 2887677 (1959-05-01), Arrasmith
patent: 3539987 (1970-11-01), Greene
patent: 4000419 (1976-12-01), Crost et al.
patent: 4535396 (1985-08-01), Guthrie
patent: 4580196 (1986-04-01), Task
patent: 4722028 (1988-01-01), Brannon et al.
patent: 4779942 (1988-10-01), Verney

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