| 摘要 |
The invention pertains to a method, a system and a component for systematically and automatically controlling a product, whose preservation in a distribution circuit depends on temperature, in particular a product subjected to a cold chain. The method includes: affixing, on the product, a marker including elements, in particular the bars of a bar code, intended to be identified by automatic processing units, fixing a component on the product. The component includes at least one part including mask intended for masking the elements of the marker, at least temporarily, without modifying them, when (i) the temperature of the product exceeds a specific temperature threshold or (ii) when the preservation conditions differ from a specific reference level, in particular characterized by the exceeding of a specific temperature threshold for a longer duration than a specific duration or by the exceeding of a specific preservation duration.
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