Through braille board, braille machine, braille printer, etc. Different bump combinations are formed on the paper. Generally, the Braille of each square consists of six dots, with 123 on the left and 456 on the right, which is called a party. It was created by the French blind Louis Blair in 1824, so it is called "Blair" internationally.
The inventor of six-point Braille is Louis Braille, and some people translated it into Lewis Braille. 18091October 4th, he was born in a poor harness maker's house in France. At the age of 3, he accidentally dropped his hand while playing with tools, stabbing one eye, and soon the other eye became infected, leading to blindness.
Braille's parents didn't give up training the blind child. Father used nails to form letters on the board, taught him to read, and then sent him to the primary school in the village. Braille studied hard and was smart, and was deeply loved by teachers and principals.
Braille consists of 63 coded characters, and each character is arranged into a rectangle with 6 points by 1 ~ 6 bumps. In order to recognize 63 different dots or Braille characters, the number of dots is 1-2-3 from left to top, and then 4-5-6 from right to top. These braille lines raised on thick paper can be read by fingers.