Process and apparatus to control multi-step processes
The invention relates to a process to control multi-step processes wherein in one step i of the process, a product Di is made from one or more components Cij by collecting from all components Cij by reading from a mark or a label information which identifies Cij, calculating a hash code Hij from the...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | The invention relates to a process to control multi-step processes wherein in one step i of the process, a product Di is made from one or more components Cij by collecting from all components Cij by reading from a mark or a label information which identifies Cij, calculating a hash code Hij from the information from component Cij, calculating a hash code Ji from all hash codes Hij of all components and providing the product Di with a mark comprising the hash code Ji, to an apparatus to provide the marks, and to the use of this process in control and documentation of product or service quality, logistics, or manufacturing. |
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