LOW-COST, PORTABLE, MECHATRONICS-BASED-BRAILLE EMBOSSING APPARATUS AND WRITING SYSTEM FOR THE BLIND

摘要

An apparatus for embossing a Braille character on a tanglible medium. The embossing apparatus includes embossing pins, each of which corresponds to a discrete one of the typing keys; drawers, each of which corresponds to a discrete one of the embossing pins; an embossing unit having housings, each of which includes a housing for a corresponding drawer; and an embossing unit driving apparatus that is structured and arranged to drive the embossing unit into the embossing pins to emboss a raised dot Braille character on the tangible medium. The apparatus is structured and arranged so that for each depressed key, the corresponding drawer covers the corresponding housing and forces the corresponding embossing pin into the tangible medium.