A system comprising a wireless tag and a tag reader. The tag comprises: a sensor for generating a detected information; a storage for storing the detected information; a determination unit for storing a criteria information and outputting a result of determination on the detected information on the basis...http://www.google.de/patents/US20060238309?utm_source=gb-gplus-sharePatent US20060238309 - Wireless tag, wireless tag reader/writer, wireless tag information provision method, and wireless tag system
