An integrated passive wireless chip diagnostic sensor system is described that can be interrogated remotely with a wireless device such as a modified cell phone incorporating multi-protocol RFID reader capabilities (such as the emerging Gen-2 standard) or Bluetooth, providing universal easy to use, low...http://www.google.de/patents/US8077042?utm_source=gb-gplus-sharePatent US8077042 - Diagnostic radio frequency identification sensors and applications thereof