Expandable Braille line tablet has several Braille lines arranged simultaneously on tablet and written letter is or can be reflected line for line and/or page for page in Braille text

摘要

The expandable Braille line tablet has several Braille lines arranged simultaneously on the tablet and a written letter is or can be reflected line for line and/or page for page in Braille text. The tablet provides access to several Braille lines over the entire written document without having to leave the current line. Software is or can be installed for combining the tablet with a conventional Braille line.