HEARING INSTRUMENT COMPRISING A RECHARGEABLE POWER SOURCE

摘要

The invention relates to a hearing instrument comprising: an audio signal source (12, 14A, 14B) for providing for audio signals; an audio signal processing unit (16) for processing said audio signals; means (20) to be worn at or in a user's ear or to be implanted in the user's head for stimulating the user's hearing according to the processed audio signals, and a rechargeable power source (22, 122), wherein the rechargeable power source is a wound capacitor comprising a capacitor foil arrangement (23, 123) which comprises at least a first electrically conducting layer (32, 132), a second electrically conducting layer (34, 134) and a dielectric layer (36, 136) in-between and which is wound in a manner so as to form an induction coil (24) for generating a current for charging of the capacitor when exposed to an external alternating electromagnetic field generated by a charging device (30).