A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 11/14 (2006.01)
Patent
CA 2378139
The present invention provides an earmuff device comprising an earmuff cup having at least a window portion which is formed of an optical material which transmits light rays in such a way that the human eye can see through the material to a degree that an earplug or other object inserted within the ear is visually perceivable to the human eye. In other words, the earmuff cup is formed of a transparent material or a translucent material so long as the earplug inserted within the wearer's ear is visually perceivable through the translucent portion of the earmuff cup. Because the earmuff cup is formed of a material that permits an individual, such as a supervisor or hearing conservationist, to perceive whether an earplug is inserted within the wearer's ear, the earmuff device of the present invention is particularly well suited for use in a dual hearing protection environment in which the previous method of compliance monitoring was time consuming and difficult.
L'invention concerne un dispositif antibruit de protection des oreilles comprenant une coupelle équipée d'au moins une fenêtre en matériau optique qui transmet les rayons de lumière de sorte que l'oeil puisse voir à travers le matériau et apercevoir un bouchon d'oreille ou autre objet introduit dans l'oreille. La coupelle est donc en matériau transparent ou translucide permettant, à travers la fenêtre translucide, d'apercevoir un bouchon d'oreille introduit dans l'oreille, moyennant quoi un superviseur ou une personne chargée de surveiller la protection des oreilles peut établir visuellement ce constat. En conséquence, le dispositif considéré est particulièrement approprié à une stratégie de double protection des oreilles, dont la vérification était jusque là longue et difficile.
Hall James
Lindgren Fredrik
Myers Brian
Aearo Company
Ogilvy Renault
LandOfFree
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