WIRELESS TAG READER/WRITER, COMMUNICATION METHOD THEREOF, AND WIRELESS TAG RELATING TO THE COMMUNICATION METHOD
A terminal antenna which is an antenna having an end section thereof terminated is provided, and the terminal antenna is electromagnetic coupled with an antenna of a wireless tag to be communicated with. In this manner, remaining electric power and excess electric power move to the terminal antenna...
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Format: | Patent |
Sprache: | eng |
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Online-Zugang: | Volltext bestellen |
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Zusammenfassung: | A terminal antenna which is an antenna having an end section thereof terminated is provided, and the terminal antenna is electromagnetic coupled with an antenna of a wireless tag to be communicated with. In this manner, remaining electric power and excess electric power move to the terminal antenna and converted to thermal energy at a termination. As an embodiment, for example, a communication antenna is made facing in a non-contact manner part or whole of a closed flat plane or an open flat plane formed by a wireless tag antenna and electromagnetic coupled with the wireless tag antenna, and the terminal antenna is made facing in a non-contact manner part or whole of the closed flat plane or the open flat plane formed by the wireless tag antenna to be electromagnetic coupled with the wireless tag antenna. |
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