CHECK WEIGHT, METHOD AND SYSTEM TO ENSURE TRACEABILITY OF SAME
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United States of America Patent
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app pub date -
Oct 4, 2012
filing date -
Jul 6, 2007
priority date (Note) -
Abandoned
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Abstract
A check weight (1) that is used to check a gravimetric measuring instrument, specifically a balance, or to check a further weight, is provided with a means of identification. This marking which is applied on the outside surface of the check weight includes a permanently affixed machine-readable identification code (2) which makes the specific weight piece individually recognizable. This opens the possibility for a method whereby an individually identifiable check weight can be traced back in time. A system for tracing check weights back in time includes one or more reader devices (6) that serve to record the marking, one or more processors (10) wherein the machine-readable identification code can be converted back into an identification code that can be electronically processed, and one or more data storage units, in particular a database (8) serving to store at least the data contained in the identification code.
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