An improved electromagnetic tactile stimulator is disclosed for preferable use in a matrix array. A plurality of such stimulators are confronted to impart vibratory impulses of varying intensity to the skin of a subject to augment typically lost sensual modality such as sight or sound. Each electromagnetic...http://www.google.fr/patents/US3984708?utm_source=gb-gplus-shareBrevet US3984708 - Electromagnetic tactile stimulator
