Patent ID: 6157728
Filing Date: 2000-12-05
Classification: H04R

Abstract:
A universal self-attaching inductive coupling unit for connecting a hearing instrument to peripheral electronic devices, said hearing instrument having a receiving coil and an outer surface, said coupling unit comprising:a head including a head cover;a bobbin firmly disposed inside said head;a transmitting coil wrapped around said bobbin;a magnet firmly disposed inside said head;a conducting cable connected to said transmitting coil at an end;a plug connected to said cable at an end opposite to the end connected to said transmitting coil, said plug adapted for electrically interfacing with said peripheral electronic devices;a ferromagnetic plate adapted for being firmly attached to the outer surface of said hearing instrument;whereby said magnet disposed inside said head cover is easily attached and removed from said ferromagnetic plate, and said receiving coil is electromagnetically induced by said transmitting coil to receive electrical signals from said peripheral devices when said magnet is attached to said plate.