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Home › Optical encoder and drive control device comprising a light receiving element to receive a first interference fringe formed by a first periodic pattern and a second diffracted light from a second periodic pattern toward the first periodic pattern

Optical encoder and drive control device comprising a light receiving element to receive a first interference fringe formed by a first periodic pattern and a second diffracted light from a second periodic pattern toward the first periodic pattern

US Patent 11221238 · Granted Jan 11, 2022

Estimated economic value: $108,000 ⓘ

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