| 摘要 |
PROBLEM TO BE SOLVED: To provide an antenna device wherein excellent isolation can be attained between a transmission antenna and a reception antenna. SOLUTION: The antenna device is provided with the transmission antenna 101 being a first antenna element and the reception antenna 102 being a second antenna element formed on the front side of a board 103, and a photonic crystal structure 110 is located between the transmission antenna 101 being the first antenna element and the reception antenna 102 being the second antenna element. COPYRIGHT: (C)2007,JPO&INPIT
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