Electronic talking stick for the blind

Details Electronic talking stick for the blind Electronic talking stick for the blind

1991-01-14

1992-03-24

Scherbel, David A.

Tent, canopy, umbrella, or cane

Canes, sticks, crutches, and walking aids

Crutches

135911, 381 51, A61H 302

Patent

active

050978560

ABSTRACT:
This invention relates to an electronic talking stick for the blind and more particularly to a stick which talks to instruct a blind man to walk and go upstairs and downstairs, and to warn a blind man of dangerous depression in road, and which calls for help when a blind man who uses the stick falls. It is generally comprised of a supporting rod, a control box, a handle, a free steering caster, and a horizontal scanning device, in which the free steering caster helps the whole assembly to slide; two detectors in the control box and a range finder and moving object detector in the handle are arranged for trouble detection to let detected signals be converted into voice, by means of the processing through a control circuit, to instruct the user through an earphone connected to the handle.

REFERENCES:
patent: 3158851 (1964-11-01), Ruthven
patent: 3546467 (1970-12-01), Benjamin, Jr. et al.
patent: 3996950 (1976-12-01), Mier
patent: 4280204 (1981-07-01), Elchinger
patent: 4858125 (1989-08-01), Washizuka et al.
patent: 4870687 (1989-09-01), DeLeon

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