| 摘要 |
The patch antenna disclosed is easily adjusting the resonant frequency even by manual operation and without requiring a grinding process. A patch antenna includes a radiating element 12 and an adjustment land section 20. A power supply section 11 is disposed in the radiating element 12. The adjustment land section 20 adjusts the resonant frequency of the radiating element 12. When the resonant frequency needs to be adjusted, the adjustment land section 20 and the radiating element 12 are short-circuited to change the element length as viewed from the power supply section 11. As a result, the resonant frequency of the radiating element 12 can be adjusted.
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