Method of displaying information by using an LC resonance tag

Details Method of displaying information by using an LC resonance tag Method of displaying information by using an LC resonance tag

1998-01-22

2000-07-25

Crosland, Donnie L.

Communications: electrical

Condition responsive indicating system

With particular system function

3405721, 340 101, 340 1042, 340 106, 235385, G08B 2600, G08B 1314

Patent

active

060941332

ABSTRACT:
To discriminate counterfeit articles by incorporating invisible ID information recording apparatus in the true articles. An LC resonance tag 1 is buried in the articles 21 and 22 at the time when they are being produced in compliance with the contraction of a license. Upon bringing transmission and reception antenna units 15, 16 of a reflected wave analyzer 11 close to the articles, the resonance frequencies of the LC resonance tags 1 are specified, and voice messages such as brand, name of article, explanation of article, etc. are produced from a speaker of the reflected wave analyzer 11 based on the display data related to the resonance frequencies, verifying that the articles are true ones.

REFERENCES:
patent: 4356477 (1982-10-01), Vandebult
patent: 5012225 (1991-04-01), Gill
patent: 5119070 (1992-06-01), Matsumoto et al.
patent: 5381137 (1995-01-01), Ghaem et al.
patent: 5583489 (1996-12-01), Loemker et al.
patent: 5608380 (1997-03-01), Hogen Esch
patent: 5661470 (1997-08-01), Karr
patent: 5781110 (1998-07-01), Habeger, Jr. et al.
patent: 5786764 (1998-07-01), Engellenner

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