(under subclass 312) Subject matter allowing for a) parameters of the hearing aid to be altered from a location different from the location of the hearing aid itself, b) processed sound from an amplifier to be conveyed to the ear without the use of conductors or an acoustic tube, or c) a warning sensor or device to make its warning known to a hearing aid user through the hearing aid.
SEE OR SEARCH CLASS
340, Communications: Electrical,
635+, for alarms responding to condition changes in electrical apparatus 825.69, for radio link remote control and 825.72 frequency responsive wireless remote control.