Hearing aid to be worn at the head
First Claim
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1. A hearing aid comprising:
- a housing adapted be worn at the head of a person, said housing containing means for receiving and amplifying audio signals including a microphone, an amplifier circuit, an earphone and a battery connected to said amplifier circuit, said microphone and said earphone; and
said housing being comprised of at least two electrically conductive housing parts each having an edge, the respective edges of said housing parts facing each other and means interposed between said edges for mechanically and electrically connecting said electrically conductive housing parts and for forming a high-frequency seal.
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Abstract
In order to improve the immunity of a hearing aid to interference caused by the penetration of high-frequency electromagnetic waves via seams and openings of the hearing aid housing, the housing is composed of at least two electrically conductive parts that are joined in electrically conductive fashion via a high-frequency seal.
96 Citations
12 Claims
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1. A hearing aid comprising:
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a housing adapted be worn at the head of a person, said housing containing means for receiving and amplifying audio signals including a microphone, an amplifier circuit, an earphone and a battery connected to said amplifier circuit, said microphone and said earphone; and said housing being comprised of at least two electrically conductive housing parts each having an edge, the respective edges of said housing parts facing each other and means interposed between said edges for mechanically and electrically connecting said electrically conductive housing parts and for forming a high-frequency seal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification