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Hearing aid having improved RF immunity to RF electromagnetic interference produced from a wireless communications device
Hearing aid having improved RF immunity to RF electromagnetic interference produced from a wireless communications device
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机译:具有改善的射频抵抗力的助听器,射频抵抗来自无线通信设备的射频电磁干扰
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摘要
A hearing aid has improved immunity to RF electromagnetic interference produced from wireless communications devices. A microphone receives audio signals from the environment. Audio circuitry is connected to the microphone and amplifies the audio signals. A speaker is connected to the audio circuitry and directs the audio signals into an ear canal of the user of the hearing aid. The audio connection lines connect the microphone and audio circuitry and the speaker and audio circuitry. A filter is connected into each of the audio connection lines and operative for reducing the RF coupling from a wireless communications device.
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