| 摘要 |
A triple loop antenna with a wide bandwidth is provided to obtain a small-size and insensitiveness to an external influence with a broadband property. In a triple loop antenna with a wide bandwidth, a base material(10) is made of a dielectric substance. A front radiator(12) formed on a front surface of the base material(10) is connected with first and second terminals. A lateral radiator(14) of which a first end is connected to the first terminal, is formed on a lateral side of the base material(10). A first loop radiator(16) of which a first end is connected with a second end of the lateral radiator(14) and a second end is connected to the second terminal, is formed to detour around the base material(10) separately from the front radiator(12) with a predetermined gap. A second loop radiator(18) of which a first end is connected with a second end of the lateral radiator(14) and a second end is connected to the second terminal, is formed to detour around the base material(10) and is extended to be parallel with the first loop radiator(16) separated from the first loop radiator at a predetermined gap.
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