| 摘要 |
PROBLEM TO BE SOLVED: To provide an antenna apparatus capable of improving reception sensitivity in movable body communication equipment or the like. SOLUTION: By switching the circuit patterns of two antenna elements ANT1 and ANT2 by using a change-over switch part 2, two antenna systems of diversity antenna and an ESPAR (Electronically Steerable Passive Array Radiator) antenna are formed by utilizing the antenna elements ANT1 and ANT2. COPYRIGHT: (C)2005,JPO&NCIPI
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