OPTICAL ENCODER

摘要

The optical encoder according to the present disclosure includes a light receiving part formed with a plurality of first patterns, and a scale formed with second patterns and moving relative to the light receiving part, where at least one of the first and second patterns is aligned at a same interval to remove harmonic waves.

主权项

1. An optical encoder, the optical encoder comprising:
first and second patterns respectively formed on a scale relatively moving with respect to a light receiving part and a light transmission part, wherein at least one of the first and second patterns is aligned at a same interval where harmonic wave is removed.