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For the visually impaired people, there is currently no tool that is available to find out the information on a cellphone by touch. Phone braille aids can read any software in the phone and show the words on the screen with braille that is generated by two ultrasonic resonance waves.
Asia university
Taichung, Taiwan
CHIEN-CHANG TSENG,
Asia university
CHIH-TING KUO,
Asia university
CHU-TING HSU,
Asia university
CHI-HUA CHEN,
Asia university