| 摘要 |
A method and system for communicating a product status is provided. The product has a product indicator device that has a changeable indicator, an embedded processor, and radio. A point of sale device wirelessly reads validation data from the embedded processor, with the validation data being used to confirm that the product may validly change states. If the product is allowed to have its state changed, the point of sale device sends a key code to the embedded processor, where the key code is processed with locally stored data. The embedded processor determines if the changeable indicator may be changed to show that the product has changed states.
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