FIELD: instrumentation engineering for dim- sighted persons and blinds. SUBSTANCE: television set is provided with additional adapter for training dim-sighted persons and blinds by means of test cards bearing alphanumeric characters and symbols in order to enable them acquiring more information about environment through skin sensation thereby enhancing their working ability, safety when outdoors, and ensuring healthy mode of life for them. EFFECT: enlarged functional capabilities of television set. 8 cl, 45 dwg
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Authors
Dates
2002-08-10—Published
2000-02-22—Filed