an electronic device that scans ordinary printed characters and produces combinations of sounds, enabling a blind reader to recognize the characters.
Origin of optophone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for optophone
Historical Examples of optophone
It was the optophone, and perhaps you may have seen, or rather heard it.
Glenfield says you're pulling out, but so am not I. I'm for Hubbard and the optophone theory now.
a device for blind people that converts printed words into sounds
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012