Optical encoder

Details Optical encoder Optical encoder

G - Physics

01

P

G01P 3/36 (2006.01) G01D 5/347 (2006.01) G01D 5/36 (2006.01) G01P 3/486 (2006.01) G01P 15/00 (2006.01)

Patent

CA 2050385

An optical encoder for detecting the position, speed, acceleration etc. of a moving or rotating object includes a light source, a lens for collimating light emitted from the source, and a transparent lens plate having an array of lenses formed therein at regular intervals and arranged to receive the collimated light. A light detector located at the focal plane of the lenses on the side of the lens plate opposite the collimator lens.

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