Dialogic style RF guidance system for a visually handicapped person and its control method
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United States of America Patent
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-
Aug 1, 2000
Grant Date -
N/A
app pub date -
Jan 15, 1997
filing date -
Jan 17, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The dialogic style RF guidance system comprises multiple stationary base-sets established at the destination and the hand-held apparatus carried along by the visually handicapped people. This provides safe and efficient guidance to visually handicapped people in reaching their destinations, and more conveniently communicates with the base-set and simultaneously receives the message from the base-set through the microphones or external speakers.
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