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    • 1. 发明授权
    • Shielding of behind-the-ear hearing aids
    • 屏蔽耳后助听器
    • US08588446B2
    • 2013-11-19
    • US12344865
    • 2008-12-29
    • Daniel D. Brunda
    • Daniel D. Brunda
    • H04R25/00
    • H04R25/65H04R25/658H04R2225/49
    • Provided is a method and shield for shielding a behind-the-ear hearing aid. A Mu metal shielding material is bonded to the external or internal surface of the behind-the-ear hearing aid, the shielding providing effective shielding of electromagnetic radiation in the frequency range of 20 Hz to 1,600 MHz and effective sound shielding in the audio frequency range of 20 Hz to 20,000 Hz. A hearing canal mold comprised of a rubber-like compound, shaped to encompass and seal an outer portion of a hearing tube of a hearing aid and a user's hearing canal entrance is also provided.
    • 提供了用于屏蔽耳后助听器的方法和屏蔽。 金属屏蔽材料结合到耳后助听器的外表面或内表面,屏蔽提供了在20 Hz至1,600 MHz频率范围内的电磁辐射的有效屏蔽以及音频范围内的有效声屏蔽 为20Hz至20,000Hz。 还提供了一种由橡胶状化合物组成的听力模具,其形状包围和密封助听器的听力管的外部部分和用户的听力通道入口。