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US 2017/0284834 A1Published application
Encoder that detects infiltration of liquid by light
AssigneeFanuc Corporation
InventorsShunichi ODAKA, Hirosato YOSHIDA, Keisuke IMAI
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Abstract
An optical encoder of the present invention includes a light-receiving element unit 5, moving slit 2 and fixed slit 3. The light-receiving element unit 5 includes a pattern 5B for detecting infiltration of liquid.
Claims6
An optical encoder including a light-receiving element unit, a moving slit and a fixed slit,
- wherein the light-receiving element unit comprises a pattern for detecting infiltration of a liquid.
Dependencies are inferred from the claim text.