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Optical Encoders

An optical encoder is a device designed to measure linear or rotary motion by detection of the movement of markings on a transparent medium past a fixed point of light. The encoder has a moving code plate, a glass disc with positional or angular information, and simple geometric optics for readout.

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Heidenhain Corporation - Schaumburg, IL

International manufacturer of precision measurement and control equipment. This technology is utilized within precision motion control and machining systems worldwide. Products include encoders (linear, angle, rotary), length gauges, numerical controls, and touch probes for demanding positioning tasks.

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Glossary

optical encoder A device designed to measure linear or rotary motion by detection of the movement of markings on a transparent medium past a fixed point of light. The encoder has a moving code plate, a glass disc with positional or angular information -- generally...
encoder

Optical Encoders Suppliersoptical encoderslinear or motion measurementoptic encoderdetects movement of markingsopticspositioning