FIELD: electronic equipment.
SUBSTANCE: semirigid base, as version, may contain magnifying lens. One or several sources of light are included into composition of electronic circuit, which is installed in the cavity in the card base for provision of light.
EFFECT: creation of card, which possesses specified functions and corresponds to ISO norms.
11 cl, 8 dwg
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Authors
Dates
2008-11-10—Published
2003-06-11—Filed