REFRESHABLE BRAILLE DISPLAYS
This is for students whose primary method of reading and obtaining information is through touch. A line of braille is displayed each time, and the user can navigate forward or backwards through the information. It can be a peripheral device connected to a regular computer via USB connection, or a standalone equipment like a PDA. It allows information to be entered either using a regular qwerty keyboard with touch typing, or a six-key entry like a Brailler.