| 摘要 |
Switching device for hearing aid, whereby a hearing aid casing part is adapted for placement above and behind the ear lobe and encloses a battery and a signal processing and amplifier device operable to provide an amplified audio signal to the user perceivable as sound wherein further the switching device comprises a base section and a manually operable rigid pivot element which has a two spaced apart pressure receiving parts and a pivotal axis placed between the two pressure receiving parts, whereby a cantilever and indexing ladder is provided between the base section and the rigid pivot element operable to allow the rigid pivot element to assume 2, 3 or more stable positions.
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