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US08014552B2 Apparatus for communication coupling with a hearing aid 失效
用于与助听器通信耦合的装置

Apparatus for communication coupling with a hearing aid
Abstract:
An improved communication coupling device having a coupler coil with about 125 turns of wire about a bar-shaped core for use with a hearing aid having a hearing aid coil to accommodate individuals with various degrees of hearing loss to use a sound generation device such as a telephone.
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