US Patent 7614545 Electronic marking of a medication cartridge

The invention relates to a marking of cartridges, carpules or any kind of package. The marking can be in an electronically readable form while being transparent. Hereby a marking with improved security for avoiding reading errors which ensures a mandatory visual inspection of content is obtained. The transparent conductor can be in form of a polymer, an ITO and the like. These transparent conductors are used in an improved marking technique, which further improves reading security. The invention may e.g. be used in connection with medication delivery devices for self-treatment of a disease, e.g. diabetes.