Primary definition
An electromechanical device that essentially converts analog angular position information into digital output. Used as the basis of Hart InterCivic eSlate's voter selection wheel. Abbreviated ROE.
Also known asROE · rotary encoder · optical encoder · angular encoder
1 sources cited3 related termsReviewed Aug 9, 2026
— Electronic Voting GlossaryView source
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Carnegie Mellon University
An electromechanical device that essentially converts analog angular position information into digital output. Used as the basis of Hart InterCivic eSlate's voter selection wheel. Abbreviated ROE.
Electronic Voting Glossary · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Rotary Optical Encoder. In Election Security Glossary. Retrieved August 20, 2026, from https://electionsecurityglossary.com/glossary/rotary-optical-encoder
Sources
1 cited · last checked Aug 9, 2026
01
Electronic Voting Glossary
Electronic Voting Glossary
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