Optophone

E1727394 UNEXPLORED

The Optophone is an early assistive device that converts printed text into audible tones to enable blind and visually impaired people to read.

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All labels observed (1)

Label Occurrences
Optophone canonical 1

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Optophone I → titleContains → Optophone ⓘ