| 摘要 |
<p>According to an embodiment of the present invention, a brake light switch includes: a piston which straightly moves along an inner flow path by oil pressure in a brake process; and a detection sensor which detects the movement of the piston and checks the operation of a brake, and then controls the lighting of a brake light. According to the present invention, a brake light switch is installed to the master cylinder of a car to integrate the brake light switch with the master cylinder; thereby removing a switch from a brake pedal, simplifying the structure of the brake pedal, and removing the operational noise of the switch due to the usage of the brake pedal.</p> |
