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We simplify the guidelines to tell the blind where the road will run into and which kind of situation he or she meets. Points directly convey how to avoid dangerous status or which direction to go. Let them reach their destinations more quickly.
1.Speak to Radio hole the destination
The sound hole will check again to the user
And planning the most suitable road for the blind
3. Points operate,
White points will move up and down in sync when you are walking
Manufacturing processes for the visually impaired to recognition
Guo Jhen Huang
Ya Wen Yang