| 摘要 |
A subminiature internal type antenna for a folder and a slide mobile phone is provided to improve quality of communication call by reducing frequency shift when the slide mobile phone is used. In an internal type antenna installed in a mobile phone, a helical radiator transmitting and receiving a signal includes a start part(13), meander line parts(14,16), a rear part(15) and a final part(17). A signal applying part(12) applies the signal to the radiator. A ground part(11) grounds the radiator. The signal applying part and the ground part are connected to the start part of the radiator, which is arranged in the antenna.
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