Hearing-aid system
High fidelity hearing aid amplifier
Hinge for a hearing aid cover
Hinged hearing aid
Host controller for programmable digital hearing aid system
Hybrid behind-the-ear and completely-in-canal hearing aid
Impedence buffering MOS circuit with dynamically reduced thresho
In ear hearing aid
In the canal hearing aid with protruding shell portion
In the ear hearing aid having extraction tube which reduces acou
In-line early reflection enhancement system for enhancing...
In-the-ear hearing aid
In-the-ear hearing aid
In-the-ear hearing aid with directional microphone system
In-the-ear hearing aid with flexible seal
In-the-ear hearing aid with the outer wall formed by rupturing a
In-the-ear hearing-aid with pivotable inner and outer sections
Inconspicuous communication method utilizing remote electromagne
Integral radio and infrared assistive listening device
Integrated circuit design for a personal use wireless communicat