Significados de braille characters em inglês

Braille characters are formed from raised-dot combinations, in arrangements from one to six dots each.

Braille characters are formed by the presence or absence of raised dots in a six-space grid.

Braille characters, developed by Louis Braille in 1821, are created by a pattern of raised dots.

Researchers also leveraged ideas from NIST's Rotating-Wheel Based Refreshable Braille Display, which converts electronic text such as e-mail into Braille characters.

These lines were sent to me by one of my blind pupils after he had learned to read and write the Braille characters.