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This work is based on improving the safety coefficient,Through the pressure sensor installed on the vehicle brake,and transfer the signal to the rear of the infrared device.Through infrared emission devices will map the symbols of "down arrow" to the vehicle back windshield in the form of infrared ,so as to suggest the degree of reduction the front car for the driver in behind .According to the degree of brake pedal (power) is different,Infrared lights in the rear of the car by the projection on the number of arrows is also different,The greater the power, the more the projection of the arrow.
Bo Zhang Xingchen Fan Yingqi Zhang Xin Li,
Beihua University Department Of Product Design Minfeng Hou Kun Yue