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Optophone

The optophone is a device, used by the blind, that scans text and generates time-varying chords of tones to identify letters. It is one of the… 
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Papers overview

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2015
2015
Review
2012
Review
2012
The optophone with no diaphragm, which can detect sound waves without disturbing flow of air and sound field, is presented as a… 
2001
2001
Dadaist Raoul Hausmann, famous for his photomontages, is perhaps less well known as a pioneer of synaesthetic machines designed… 
2000
2000
This thesis presents a number of modifications to a blind aid, known as the video optophone, which enables a blind user to more… 
1998
1998
The conventional light diffraction method cannot be applied to the measurement of the acoustic waves with a long wavelength… 
1968
1968
A compact reading machine ("Lexiphone") has been designed and constructed to convert p r i n t e d l e t t e r s i n t o a p a t… 
1961
1961
Abstract : Work has been directed toward the solution of detail problems in refining the prototype models. A word synthesizer has… 
1931
1931
IT is a remarkable fact that in spite of the keen interest displayed in selenium ever since the discovery of its response to…