| 摘要 |
PROBLEM TO BE SOLVED: To obtain an antenna capable of changing frequency characteristics. SOLUTION: A first radiation element 13 to which a feeder line for feeding a current is connected, and second radiation elements 14a, 14b which are not directly connected to the feeder line, are provided on a substrate 11. The first radiation element 13 and the second radiation elements 14a, 14b are electrically connected by a connector such as a jumper 15, thereby varying to a frequency of lower frequency characteristics in comparison with a case of no jumper 15. COPYRIGHT: (C)2006,JPO&NCIPI
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