| 摘要 |
A mechanical method is described whereby the brake signal provided by the rear lights of an automotive vehicle is made unambiguous. In the case that the brake pedal of the said vehicle is not actuated, the invention causes all light from illuminated rear lamps of the vehicle to be transmitted from the rear of the vehicle as non-red colored light. In the case that the brake actuation means of the vehicle is actuated, the invention causes all light from illuminated rear lamps to be transmitted from the rear of the vehicle as red colored light. Thus, display of red colored light per se at the rear of the vehicle provides an absolute, immediately perceptible signal of braking.
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