The blind''s new typewriti / Dual Mode Braille Typewriter

Dual Mode Braille Typewriter.Braille writing is opposite to reading.Traditional Braille typewriter is operating lateral input.In order to solve the difficulties of Braille beginners in learning typing and problems of long learning period.At the same time it is also convenient for blind children to learn and be skilled in "reverse" thinking of traditional "writing" mode.The design is using "sound correction" function, to improve the correction rate.Through the way of "open -- rotation", the design ingeniously realizes Braille "positive" and "negative" conversion.