Patent ID: RE43519

Claim:
An In The Ear, All in The Ear, In The Canal or Completely In The Canal A hearing aid comprising: a case, internal components, a battery door, a battery, a microphone, a speaker a volume control, a telephone coil activation switch, a telephone coil, and internal wires; and electrical connections between the internal components, the hearing aid including: means for making at least one of the internal wires are made electrical connections and the internal components resistant to electromagnetic interference produced by cellular telephones in the 800 MHz to 100 GHz frequency range by lining the case with an electrically conductive material ; one or more inductors or ferrite devices are put in series with some at least one of the internal wires electrical connections or at least one of the internal components; one or more capacitors are put in parallel with some at least one of the internal wires electrical connections or at least one of the internal components; electrically conductive means for shielding at least one of the internal components arc shielded or the electrical connections from electromagnetic interference with electrically conductive foil, and conductive gaskets; produced by cellular telephones ; the case of the hearing aid further comprising a face plate and a shell, said the face plate and shell being made of or covered by an electrically conductive material, said the face plate and shell being bonded together both electrically and mechanically in such a way that none of the conductive material comes in contact with the ear when the hearing aid is worn, and said the face plate having said a battery door made entirely or partially of conductive material, and said the battery door being covered by a disposable strip of conductive tape, and said the conductive tape having a conductive adhesive.