Patent ID: 6658124
Filing Date: 2003-12-02
Classification: H04R

Abstract:
A rechargeable hearing aid system comprising:a hearing aid, wherein the hearing aid includes an energy storage device that is rechargeable, and wherein the hearing aid includes a secondary coil coupled to the energy storage device; and an inductive charger including a primary coil and a reservoir throat, wherein the primary coil completely encircles and is coaxial with the reservoir throat, wherein the energy storage device of the hearing aid is rechargeable by the inductive charger without removal of the energy storage device from the hearing aid; and wherein the hearing aid is adapted to be inserted into the reservoir throat for charging, and wherein when the hearing aid is inserted into the reservoir throat for charging the primary coil surrounds the secondary coil and is inductively coupled therewith, thereby allowing an efficient inductive transmission of power from the primary coil to the energy storage device through the secondary coil.