| 摘要 |
PROBLEM TO BE SOLVED: To provide an antenna device which can cope with a plurality of frequency bands and is compact in size.SOLUTION: An antenna device includes a split-ring resonator arranged on a GND board and operates at a frequency determined by the split-ring resonator. In the antenna device, a first additional electric conductor part is connected to an electric conductor constituting the antenna device in an opening part of the antenna device.SELECTED DRAWING: Figure 1 |
