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The disabled people, who live in the society with the rapid development of economy and technology, should also be taken more care of. For the loss of visual perception, blind people are living in the dark. The lives of the blind have a lot of inconvenience, but may any disabled people, want to be self-reliant, rather than to be a person who needs others to take care of. The main function of the pen we designed is to help blind people to write braille conveniently. It can help the blind to record or leave a message no matter when or where. The blind can write the message with the pen which is following with blind writing ruler and paper.
Hebei University Of Engineering