Wireless IC device and method of detecting environmental state using the device

作者: Yuki Ito

DOI:

关键词: WirelessState (computer science)Printed circuit boardElectronic engineeringAntenna (radio)EngineeringElectrical engineering

摘要: In a wireless IC device, an insulating material, which has electrical characteristic that is varied with change in environmental state, provided between feed circuit board and antenna to detect the state from of communication device external reader apparatus.