Patent ID: 7670278

Claim:
A direct bone conduction hearing aid system, comprising: a microphone system which can pick up audio sound and generate electrical microphone signals therefrom; a vibrator unit for positioning in a mastoid cavity, said vibrator unit including a housing and a vibrator attached to a wall of the housing; an amplifier for receiving and amplifying said electrical microphone signals and driving said vibrator; an anchoring fixture for attachment to a skull bone covered by skin, through a lateral skull bone surface, said anchoring fixture including a fixation portion; a mounting arm attached to said wall of said housing and extending in a direction substantially parallel to said wall to said anchoring fixture, said mounting arm conveying vibrations from the vibrator and the vibrator housing to the anchoring fixture; an energy-receiving unit which includes an energy-receiving inductive coil that can pick up electromagnetic energy and provide an electrical supply current and voltage for the amplifier; and a vibrator supply cable which extends from the energy-receiving unit to the vibrator unit.