Forward illumination headgear with personal rescue system

Details Forward illumination headgear with personal rescue system Forward illumination headgear with personal rescue system

2008-05-30

2010-11-30

Crosland, Donnie L (Department: 2612)

Communications: electrical

Condition responsive indicating system

With particular coupling link

C340S555000, C340S331000, C340S332000, C340S321000, C398S109000, C362S106000, C362S800000

Reexamination Certificate

active

07843326

ABSTRACT:
The disclosed system provides headgear, i.e., a Firefighter Helmet, with forward illumination that also acts as a personal rescue detection system for quickly finding a downed of lost firefighter. More specifically, the headgear includes a forward illuminating light that has unique characteristics that are easily detected in a smoke filled space by using a handheld photodetector probe that is tuned to the exact characteristics of the light source. The handheld probe has a somewhat narrow directional response to allow a directed search for a downed firefighter or other emergency personnel in a smoke filled noisy environment that hinders normal visual and audible search methods. The handheld photodetector probe produces a unique audio tone that is proportional in volume to the intensity of the exact-characteristics-light-source thus allowing a sweeping motion of the probe to immediately determine the relative direction to a firefighter who is down or requiring assistance. An illuminated visual display also indicates the strength of the unique tone.

REFERENCES:
patent: 4090185 (1978-05-01), Patty
patent: 4468656 (1984-08-01), Clifford et al.
patent: 5660549 (1997-08-01), Witt, III
patent: 7304442 (2007-12-01), Colwell

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