Tomorrow’s Tech Treepowered by Astra

Accessibility & Assistive Tech · Recorded milestone

TV closed captions

Recorded year1980

Broadcast captions make television accessible to deaf viewers.

Explore this milestone on the interactive map

Built on

Colour televisionRecorded · 1954enables
Integrated circuitRecorded · 1958requires

Led to

Caption glassesRecorded · 2022enables

Sources & evidence

Additional source

Dataset updated 2026-10-18. This individual record has not been separately re-reviewed.