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Antenna system and terminal

  • US 10,411,354 B2
  • Filed: 01/07/2015
  • Issued: 09/10/2019
  • Est. Priority Date: 01/23/2014
  • Status: Active Grant
First Claim
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1. An antenna system, comprising:

  • an antenna body having one or more connection points between the antenna body and a ground;

    a tunable component having a changeable operating parameter that is a capacitance or a inductance, wherein the tunable component comprises a first inductor or a first capacitor, wherein the antenna body is connected to the tunable component; and

    a first filter and a second filter, wherein the first filter and the second filter are connected to the antenna body;

    wherein the first filter is connected in parallel with the tunable component, wherein a first end of the first filter is connected to the antenna body, and a second end of the first filter is connected to the ground, and wherein the first filter presents a high impedance characteristic in a low frequency band, and presents a low impedance characteristic in a high frequency band; and

    wherein the second filter is connected in series between the antenna body and the tunable component, wherein the second filter presents a low impedance characteristic in a low frequency band, and presents a high impedance characteristic in a high frequency band.

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