Ear terminal for noise control

Details Ear terminal for noise control Ear terminal for noise control

A - Human Necessities

61

F

A61F 11/08 (2006.01) A61F 11/06 (2006.01) H04R 1/10 (2006.01) H04R 25/00 (2006.01) H04R 25/02 (2006.01)

Patent

CA 2418031

Ear protecting device for being positioned in the ear meatus (3) of a human, and comprising an inner microphone (M2), wherein the inner microphone (M2) has a sound inlet (S2) for being directed toward the meatus (3), arranged for converting a picked-up sound signal (52) to an output signal (51); the ear protecting device also comprising a an electronics unit (11) including sound analyzing means arranged for analyzing the output signal (51) and comparing the signal with predetermined signals corresponding to acceptable noise limits and for activating an indicator (72) when detecting a passing of these limits.

La présente invention concerne un dispositif de protection d'oreille destiné à être mis en place dans le méat (3) de l'oreille d'un être humain, et comprenant un microphone interne (M2), ledit microphone interne (M2) présentant une entrée son (S2) destinée à être dirigée vers le méat (3), disposée de manière à convertir un signal sonore acquis (52) en un signal de sortie (51). Selon l'invention, le dispositif de protection auditive comprend également une unité électronique (11) comprenant un système d'analyse du son disposé de manière à analyser le signal de sortie (51), à comparer le signal avec des signaux prédéterminés correspondant à des limites sonores acceptables, et à activer un indicateur (72) lorsqu'un dépassement de ces limites est détecté.

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