Hardware

Verified

T Coil

Primary definition

An "inductive coil used in some hearing aids to allow reception of an audio band magnetic field signal, instead of an acoustic signal. The magnetic or inductive mode of reception is commonly used in conjunction with telephones, auditorium loop systems and other systems that provide the required magnetic field output." ANSI C63.19. Under the VVSG, an must provide a wireless T-coil coupling. AUDIO-TACTILE INTERFACE

Also known astelecoil · T-coil · T switch · T-switch · telephone coil · induction coil · audio induction loop receiver · hearing aid telecoil · T setting · T mode · T position · T-coil coupling · telephone pickup coil · inductive pickup · magnetic coil · T-coil antenna
3 sources cited4 related termsReviewed Aug 9, 2026
Electronic Voting GlossaryView source

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Carnegie Mellon University

An "inductive coil used in some hearing aids to allow reception of an audio band magnetic field signal, instead of an acoustic signal. The magnetic or inductive mode of reception is commonly used in conjunction with telephones, auditorium loop systems and other systems that provide the required magnetic field output." ANSI C63.19. Under the VVSG, an must provide a wireless T-coil coupling. AUDIO-TACTILE INTERFACE

Electronic Voting Glossary · 2024

Cite this term

Permanent URL · stable across revisions
Election Security Glossary. (2026). T Coil. In Election Security Glossary. Retrieved August 22, 2026, from https://electionsecurityglossary.com/glossary/t-coil

Sources

3 cited · last checked Aug 9, 2026

01

Electronic Voting Glossary
Electronic Voting Glossary

High consensus

View source

02

EAC Glossary of Terms
EAC Glossary of Terms

Multi-source

View source

03

NIST Election Glossary
NIST Election Glossary

Multi-source

View source

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