Tung & Associates
Optical displacement detection apparatus and optical displacement detection method
The present invention discloses an optical displacement detection apparatus and an optical displacement detection method. The optical displacement detection apparatus comprises: at least two light sources for projecting light of different spectrums to a surface under detection, respectively; an image capturing device for receiving light reflected from the surface under detection and converting it into electronic signals; and a processing control circuit for calculating displacement according to the electronic signals from the image capturing device, wherein the processing control circuit is capable of switching between the light sources.
Pixart Imaging Incorporation, R.O.C.
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Yen-Min Hui-Hsuan Han-Chi Ching-Lin Hsin-Chia
Chang Chen Liu Chung Chen