Braille display
Braille display assembly
Braille display device using electrorheological fluid and...
Braille display reader
Braille encoding method and display system
Braille learning apparatus
Braille mouse having character code member actuated by single so
Braille print board
Braille reading system
Braille sign and method of manufacture
Braille slot machine
Braille slot machine
Braille teaching apparatus
Braille teaching apparatus
Braille type device, system, and method
Braille type device, system, and method
Communication aid
Communication aid method and apparatus for the handicapped
Communication aid with sequential lighting
Communication device for handicapped persons