Glow-in-the-dark hearing protective devices

Details Glow-in-the-dark hearing protective devices Glow-in-the-dark hearing protective devices

1999-07-20

2000-08-01

Brown, Michael A.

Surgery

Body protecting or restraining devices for patients or infants

Head or face protector

2209, 2171, 2DIG11, 128866, A61F 1100

Patent

active

06095146&

ABSTRACT:
Hearing protective devices having glow-in-the-dark properties are presented in the present invention. In an exemplary embodiment, the hearing protective device comprises a semi-aural device, an earplug, or an earmuff device. In all embodiments, a glow-in-the-dark material is incorporated into at least a part of the hearing protective device so that the glow-in-the-dark material continues to emit light for an extended period of time in a dark environment after the material has been excited by irradiation. Preferred and exemplary glow-in-the-dark materials comprise phosphorescent materials. The glow-in-the-dark materials may be disposed on a surface of the hearing protective part or dispersed throughout the material which forms this part.

REFERENCES:
patent: 3661225 (1972-05-01), Anderson
patent: 4461290 (1984-07-01), Gardner
patent: 4490857 (1985-01-01), Leight
patent: 5749373 (1998-05-01), Dix
patent: 6006361 (1999-12-01), Falco

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