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Navigational Device for Visually Impaired People The technology is a navigational aid system for visually impaired person and has been developed in three modules. These modules basically incorporate the Ultrasonic, RFID
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Document Date: 2011-10-27 01:37:36
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Navigational Device for Visually Impaired People The technology is a navigational aid system for visually impaired person and has been developed in three modules. These modules basically incorporate the Ultrasonic, RFID