Patent ID: 8789756
Filing Date: 2014-07-29
Classification: B01L,G01N,G06K

Abstract:
1. An apparatus comprising: a test element operable to receive a sample and to provide an indication of an analyte of the sample to a meter, the test element comprising a substrate and an optically readable pattern provided on the substrate and encoding information relating to the test element, the substrate having an optical transmittance relative to a light source, the optically readable pattern comprising one or more opaque marked portions and one or more unmarked portions, the optically readable pattern being readable under stationary transillumination by the light source as a shadow image projected onto a sensor; wherein the test element comprises a second optically readable pattern configured to encode different information relating to the test element than the information encoded by said optically readable pattern, and the second optically readable pattern is readable under transillumination by the light source during a portion of the manufacturing of the test element, and unreadable under transillumination by the light source at the completion of manufacturing.