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The deaf-mute vibration helmet is a decibel recognition and sensing helmet. It uses a combination of a traditional helmet and a sound decibel sensor to assist the deaf and mute to ride through the "sound vibration reminding method". Set a sound leveler at the tail. When the decibel in the rear exceeds the set value (>80dB), the decibel sensor commands the vibration device to remind the user that there is a car behind, so as to avoid, which greatly reduces the riding of deaf and dumb people. road traffic safety accidents. Decibel range of car whistle: 80dB-110dB The decibel range of urban noise: 40dB-65dB.
Anhui Polytechnic University