| 摘要 |
<p>The telephone hearing aid comprises an inductive amplifier arranged in a closed housing (4), which amplifies the volume of a telephone voice. The amplifier is connected by a lead (3) to a plug (2) for plugging into a telephone socket. When the telephone receiver is picked up, the amplifier generates a volume amplify signal which can be received by the user's own hearing aid when the telephone hearing aid (1) is held near the user's hearing aid. The signal may be received by the hearing aid direct or via a loud speaker (12).</p> |
