A sensing system, sensing method, and method of producing a sensing system capable of providing a cumulative measurement capability, such as in the form of a RFID tag capable of measuring cumulative heat and humidity for continuous monitoring of storage and shipping conditions of various goods. The system...http://www.google.es/patents/US7619346?utm_source=gb-gplus-sharePatente US7619346 - Method and system for monitoring environmental conditions
Method and system for monitoring environmental conditions
