Electrical audio signal processing systems and devices – Hearing aids – electrical – Noise compensation circuit
Reexamination Certificate
2006-04-04
2006-04-04
Tran, Sinh (Department: 2646)
Electrical audio signal processing systems and devices
Hearing aids, electrical
Noise compensation circuit
C381S071600
Reexamination Certificate
active
07024010
ABSTRACT:
An electronic earplug for wideband control of pressures at, the tympanic membrane is presented. A unique methodology of determining effective component placement inside an earplug that provides acoustic isolation between the ambient noise and tympanic membrane is explained. Methods for providing accurate dosimetry and improved active control result from the unique earplug design process, leading to very wideband active noise reduction at the tympanic membrane.
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Goldstein Andre
Saunders William R.
Vaudrey Michael A.
Adaptive Technologies, Inc.
Ensey Brian
Roberts Abokhair & Mardula LLC
Tran Sinh
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