Apparatus for detecting a steering angle and a steering angular velocity

摘要

An apparatus for detecting a steering angle and a steering angular velocity of a steering mounted in a vehicle. The apparatus has a sensor mounted on a steering column tube, and a disc secured onto the outer periphery of a steering shaft. The steering column tube has a projecting form in which a luminescent element and a light receiving element are provided. The projecting form is designed not to contact with the disc.