Embossers
With the advent of computers, many users create braille output using a computer and a braille embosser connected to the computer. Visually impaired users can read the computer screen by using screen reader computer software and/or braille displays. Users of such a system can use a computer keyboard in the standard way for typing or can use a special keyboard driver that allows the six keys sdf-jkl to be used as a braille entry device similar to the Perkins Brailler.
Read more about this topic: Perkins Brailler