Keating & Bennett, LLP
Wireless IC device
A wireless IC device includes an electromagnetic coupler module including a wireless IC chip processing transmission and reception signals, and a feeder circuit board. In the wireless IC device, a first coupler defining a feeder circuit arranged on the feeder circuit board is electromagnetically coupled with a first mount of a first radiation plate, and a second coupler is electromagnetically coupled with a second mount of a second radiation plate. The couplers are respectively defined by line electrodes. Input and output terminal electrodes of the wireless IC chip are electrically connected to the line electrodes. The wireless IC chip is operated by the first and second couplers in response to a signal received by first and second radiation plates. A response signal from the wireless IC chip is radiated to the outside from the first and second radiation plates via the first and second couplers.
Murata Manufacturing Co., Ltd.
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Noboru
Kato