Concept information
Preferred term
Optophones
Definition(s)
- Device intended to convert light into sound, patented by Raoul Hausmann [DA]; instruments designed to enable a blind person to read, in which a photoelectric cell is used to scan a text and produce electric signals that are converted into audible ones corresponding to the different characters [OED]
Broader concept(s)
Notation
- 121033
In other languages
-
French
URI
http://data.loterre.fr/ark:/67375/JLC-VQN57CBJ-Z
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