Invention Grant
US08146829B2 Illuminated token 有权
照亮标记

Illuminated token
Abstract:
An identification token or label includes a light emitting device powered by and responsive to radio frequency signals to emit light in a predetermined frequency range and in a predetermined pattern. It has application as a gaming token for a casino environment or a medallion for use in monitoring patrons at sporting venues and in various parts of a supply chain.
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