Sensing display apparatus of image pattern

Sign language blocks

Sign language instruction system and method

Single dot tactile reading module driven by a shape memory wire

Slate for writing braille

Sound output electronic apparatus

Speech assisted learning

Stimulator array

Stuffed bear as teaching aid

Symbolic language display sign utilizing tactile and visual patt

Symbolic language teaching and communications system utilizing t

System and method for providing a visual language for...

System and method for tracking a pedestrian

System for synthesizing spoken messages

System for treatment of developmental verbal apraxia

System to assist the guiding of the non-sighted