Electronic unit for transferring sound pulses or signals directly into the body via electrodes applied to the skin surface, said unit having signal coding and amplifying sections separated by insulation of at least 8 mm

摘要

Mobile or stationary electronic unit for transfer of optically coded sound signals via skin electrodes to a device wearer. The unit is divided into signal coding sections and signal amplifying sections that are electrically isolated by a protecting insulation distance of greater than 8 mm.