Category:Optophone
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device used by the blind that scans text and generates time-varying chords of tones to identify letters | |||||
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An optophone is a device used by blind persons that scans text and generates time-varying chords of tones to identify letters.
Medien in der Kategorie „Optophone“
Folgende 9 Dateien sind in dieser Kategorie, von 9 insgesamt.
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Optophone - Jul 1922 Harpers.jpg 933 × 668; 114 KB
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Optophone by Clement Clarke. Wellcome L0011204.jpg 1.266 × 1.495; 554 KB
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Optophone by Clement Clarke. Wellcome L0011205.jpg 1.220 × 1.477; 344 KB
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Optophone in detail.jpg 1.557 × 1.097; 1,22 MB
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Picture of a Battelle Model D Optophone.png 877 × 589; 285 KB
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Schematic Diagram of Battelle Optophone.png 877 × 589; 331 KB
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Tone generating method of the FM-SLIT.PNG 758 × 517; 36 KB
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The 'Optophone', a reading device for the blind Wellcome V0048477.jpg 3.437 × 2.029; 1,71 MB