System for guiding the blind

Details System for guiding the blind System for guiding the blind

1984-10-29

1987-04-21

Caldwell, Sr., John W.

Communications: electrical

Tactual indication

With input means

342 24, G08B 310

Patent

active

046600221

ABSTRACT:
A system for guiding the blind including at least one receiver/sound generator unit having a built-in sound generator giving information on the destination of the user, and a receiver for actuating the sound generator in accordance with a control signal coming from outside, and a transmitter/control unit carried by the user for producing the control signal. As the user carrying the transmitter/control unit and approaching the destination at which the receiver/sound generator unit is installed, the user actuates the transmitter/control unit to cause it to produce a control signal which actuates the sound generator of the receiver/sound generator whereby an audio signal representing a voice, an onomatopoeic sound, a chime, etc., is produced to guide the user to the destination.

REFERENCES:
patent: 3718896 (1973-02-01), Mowat
patent: 3987403 (1976-10-01), Smith
patent: 3996950 (1976-12-01), Mier
patent: 4025922 (1977-05-01), Trawick, III
patent: 4253083 (1981-02-01), Imamura
patent: 4280204 (1981-07-01), Elchinger
patent: 4400786 (1983-08-01), Mandel et al.

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