Visually handicapped person guidance and support

Details Visually handicapped person guidance and support Visually handicapped person guidance and support

1997-04-08

1999-08-10

Mullen, Thomas

Communications: electrical

Condition responsive indicating system

Specific condition

3405731, 3406938, 34082519, 34082554, 34082549, G08B 1314

Patent

active

059365285

ABSTRACT:
A visually handicapped person guidance and support apparatus comprises a resonance tag, antenna and portable scanner. The resonance tag has an inductance element defined by a pair of conductive foil and a capacitance element coupled in distributed capacity to the conductive foil through a dielectric thin film. The visually handicapped person scans the resonance tag with a stick containing the antenna coupled to the portable scanner. The antenna transmits electric waves having the frequency of 5 to 60 MHz and predetermined resonance electric waves are reflected from the resonance tag. The received resonance waves are collated with the memory data by the scanner 3 and converted to voice message for output from a speaker. If a plurality of resonance tags, each of which has a different resonance frequency, are used, a plurality of information such as "go", "stop", "turn to right", "turn to left" and the like are obtained.

REFERENCES:
patent: 4025922 (1977-05-01), Trawick, III
patent: 4598276 (1986-07-01), Tait
patent: 4656463 (1987-04-01), Anders et al.
patent: 4745401 (1988-05-01), Montean
patent: 4973952 (1990-11-01), Malec et al.
patent: 5144294 (1992-09-01), Alonzi et al.
patent: 5508699 (1996-04-01), Silverman
patent: 5548291 (1996-08-01), Meier et al.

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