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Now the mobile phone screen is made of flat glass, the screen is smooth and has no buttons, which makes it impossible for the visually impaired people to touch the range of the touch screen that is effective. Even if the voiceover inside the iPhone is used, the effective touch position cannot be accurately known. The raised frame is designed to allow the visually impaired people to know the direction of the phone and the effective touch area by touching.
National Yunlin University of
Science and Technology
National Yunlin University of Science and Technology