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doorknob for blind people / doorknob for blind people

doorknob for blind people
doorknob for blind people

When blind people going some places where they are not familier with,they always have trouble of recognizing the room number.
This kind of doorknob owns braille which you can easilly make the braille by pressing the button so that the blind people can know the correct room number when touching it.

University

Tianjin University

Tianjin University
Tianjin, China

Design

Tianjin University

Tianjin University
Tianjin, China

Jiamei Huang

Design

Tianjin University

Tianjin University
Tianjin, China

Hanhan Yu

Design

Tianjin University

Tianjin University
Tianjin, China

Zhaoxia Xing

Design

Tianjin University

Tianjin University
Tianjin, China

Liming Zhu