VORRICHTUNG ZUR KOMMUNIKATION VON BLINDEN ODER SEHBEHINDERTEN MIT DATENVERARBEITENDEN GERAETEN

摘要

Communication device between the blind or visually handicapped and a computer for selecting a coordinate point corresponding to a screen character on a screen, the coordinate point being selected in two mutually perpendicular x and y directions with the aid of in each case one selection device. These selection devices are in each case formed by a plurality of stationary switching elements, the number of switching elements for the x direction corresponding to the number of screen columns and the number of switching elements for the y direction corresponding to the number of screen rows.