Patent ID: 9007274
Filing Date: 2015-04-14
Classification: H01Q

Abstract:
1. A reconfigurable mobile phone built-in antenna, comprising: an antenna main structure, an additional ground area, a ground area printed on one surface of a printed board, an electronic switch and an antenna feeding point and a grounding point printed on the other surface of the printed board; wherein the antenna main structure comprises a wiring structure of an antenna, a feeding spring piece which is in contact with the antenna feeding point and a grounding spring piece which is in contact with the grounding point; the additional ground area is positioned just under the wiring structure; the electronic switch is configured to disconnect the additional ground area with the ground area on the one surface of the printed board when the antenna works at low-frequency frequency band and to connect the additional ground area with the ground area on the one surface of the printed board when the antenna works at high-frequency frequency band, wherein when the additional ground area is disconnected with the ground area on the one surface of the printed board, the antenna is configured to be Monopole antenna; and when the additional ground area is connected with the ground area on the one surface of the printed board, the antenna presents is configured to be PIFA antenna.