| 摘要 |
PROBLEM TO BE SOLVED: To miniaturize an antenna, to facilitate mounting, to enlarge band width, to improve radiation efficiency and to reduce a wasteful space in a casing by arranging conductors so that the first and second conductors are electrically connected to a power feeding terminal and an outer terminal arranged on the surface of a substrate is prevented from being connected to the outer terminal. SOLUTION: In a first conductor 12a and a second conductor 12b, the length of a travel direction is longer than that of a right-angle direction and the first conductor 12a and the second conductor 12b are installed on opposite sides against the center of a substrate 11. In the inner conductor of a chip antenna CA1, the first meandering conductor 12a and the second meandering conductor 12b are constituted to be in equal intervals from the center of the substrate 11. A third linear conductor 21 is arranged in the center of the substrate and near the center on a face parallel to the first conductor 12a and the second conductor 12b so that it is not connected to any conductor.
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