Automobile steering angle sensor with a humidity moving member a

Details Automobile steering angle sensor with a humidity moving member a Automobile steering angle sensor with a humidity moving member a

1996-06-17

1998-03-31

Le, Que

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

25023118, 364424051, G01D 534

Patent

active

057341605

ABSTRACT:
There is disclosed an automobile steering angle sensor which includes a fixed disk, in which a steering shaft passes through its center, fixed to a column cover, which supports the steering shaft so it can rotate; a rotatable disk, which is mounted facing and at a specified distance from the fixed disk, is fixed to and rotates together with the steering shaft, and has a slot formed in the direction of its radius; a resistance body and common part, which are fixed in a spiral shape making three revolutions on the face of the fixed disk, the width of the resistance body increases at a fixed rate as it spirals along toward the outside; first, second, and third light sensors are mounted on the face of the fixed disk; a humidity moving member inserted in a slot of the rotatable disk, which electronically connects the common part and the resistance body; and slits, formed in the rotatable disk for the light emitted from the first, second, and third light sensors to pass through.

REFERENCES:
patent: 5253172 (1993-10-01), Ito et al.

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