| 摘要 |
A detecting device includes an actuating unit for driving a transparent grating structure, a light source for emitting light to the transparent grating structure driven by the actuating unit, a light sensor for sensing the light emitted from the light source as the transparent grating structure is moved to different positions relative to the light source so as to generate a corresponding optical intensity signal, a transforming circuit coupled to the light sensor for transforming the optical intensity signal into a transforming signal, and a processing unit coupled to the transforming circuit for determining a position of the transparent grating structure according to the transforming signal transmitted from the transforming circuit.
|
