ANTENNA DEVICE
The present invention provides an antenna device having a simple configuration for multiband operation. The antenna device is provided with: a first antenna element which is provided in a first layer of a multi-layer substrate and has a first frequency band; a second antenna element which is provide...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | The present invention provides an antenna device having a simple configuration for multiband operation. The antenna device is provided with: a first antenna element which is provided in a first layer of a multi-layer substrate and has a first frequency band; a second antenna element which is provided in a second layer of the multi-layer substrate different from the first layer, and has a second frequency band lower than the first frequency band; a ground substrate; a first feeding line path extending from the first antenna element toward the ground substrate; a second feeding line path extending from the second antenna element toward the ground substrate; and a filter connecting the second antenna element and the ground substrate, the filter passing a signal of the first frequency band and blocking a signal of the second frequency band. |
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