Electronic device and antenna

1. An antenna for an electronic device, including:

a first component configured for high frequency feed;

a second component configured for low frequency feed;

a third component configured for high frequency signal transmission; and

a fourth component configured for low frequency signal transmission,

wherein the first component is coupling a high frequency signal to the third component, and the second component is coupling a low frequency signal to the fourth component,

wherein the antenna is installed inside the electronic device with a metal case, and the antenna comprises:

a first metal frame, connected to a wall of one end of an open groove corresponding to the metal case, forming the third component;

a second metal frame, connected to a wall of an opposing end of the open groove, forming at least a part of the fourth component, wherein a gap exists between the second metal frame and the first metal frame;

a support plate located inside the open groove, wherein the support plate is configured with a first antenna pattern coupled with the first metal frame to generate a high frequency resonance, and configured with a second antenna pattern coupled with the second metal frame to generate a low frequency resonance, the first antenna pattern is included in the first component, and the second antenna pattern is included in the second component; and

a duplexer consisting of an antenna port, configured to connect to an RF module, wherein a high frequency feed point is formed by the first antenna pattern and the duplexer, and a low frequency feed point is formed by the second antenna pattern and the duplexer.

2. The antenna according to claim 1 , wherein the first component is not electronically connected to the third component, and the second component is not electronically connected to fourth component.

3. The antenna according to claim 2 , wherein the first component is wirelessly coupled to the third component, and the second component is wirelessly coupled to fourth component.

4. The antenna according to claim 1 , wherein the first antenna pattern and the second antenna pattern are connected to the duplexer in series.

5. The antenna according to claim 4 , wherein the first antenna pattern is connected to the duplexer in series, through a first connecting wire; and

the second antenna pattern is connected to the duplexer in series, through a second connecting wire, the second connecting wire being coaxial to the first connecting wire, and parallel to the first metal frame.

6. The antenna according to claim 1 , wherein the support plate is configured with a third antenna pattern, and the third antenna pattern is connected to the second metal frame, forming the fourth component.

7. The antenna according to claim 6 , wherein the third antenna pattern connects to an end of the second metal frame close to the first metal frame by a conductive clip.

8. The antenna according to claim 7 , wherein the third antenna pattern is a serpentine line, including a plurality of longitudinal line segments parallel to the second metal frame, and a plurality of horizontal line segments vertical to the second metal frame; and

the conductive clip is vertical to the second metal frame.

9. The antenna according to claim 6 , wherein the support plate is a PCB, and the first antenna pattern, the second antenna pattern, and the third antenna pattern are printed on the PCB.

10. A method for manufacturing an antenna including a first component, a second component, a third component, and fourth component, the antenna being installed inside an electronic device with a metal case, the method comprising:

coupling the first component with the third component, wherein the first component is configured to feed a high frequency signal to the third component;

coupling the second component with the fourth component, wherein the second component is configured to feed a low frequency signal to the fourth component;

providing a first metal frame as a part of the third component, the first metal frame being connected to a wall of one end of an open groove corresponding to the metal case;

providing a second metal frame as a part of the fourth component, the second metal frame being connected to a wall of an opposing end of the open groove, wherein a gap exists between the second frame and the first metal frame;

providing a support plate located inside the open groove, wherein the support plate is configured with a first antenna pattern coupled with the first metal frame to generate a high frequency resonance, and configured with a second antenna pattern coupled with the second metal frame to generate a low frequency resonance, the first antenna pattern is included in the first component, and the second antenna pattern is included second component; and

providing a duplexer consisting of an antenna port, configured to connect to an RF module, wherein a high frequency feed point is formed by the first antenna pattern and the duplexer, and a low frequency feed point is formed by the second antenna pattern and the duplexer.

11. The method according to claim 10 , further comprising:

coupling the first component wirelessly with the third component; and

coupling the second component wirelessly with the fourth configured.

12. The method according to claim 10 , the method further comprising:

connecting the first antenna pattern and the second antenna pattern to the duplexer in series.

13. The method according to claim 12 , the method further comprising:

connecting the first antenna pattern to the duplexer in series, through a first connecting wire; and

connecting the second antenna pattern to the duplexer in series, through a second connecting wire, the second connecting wire being coaxial to the first connecting wire, and parallel to the first metal frame.

14. The method according to claim 10 , the support plate being configured with a third antenna pattern, the method further comprising:

connecting the third antenna pattern to the second metal frame to form the fourth component.

15. The method according to claim 14 , the method further comprising:

connecting the third antenna pattern to an end of the second metal frame close to the first metal frame by a conductive clip.

16. The method according to claim 15 , wherein the third antenna pattern is a serpentine line, including a plurality of longitudinal line segments parallel to the second metal frame, and a plurality of horizontal line segments are vertical to the second metal frame; and the conductive clip is vertical to the second metal frame.

17. The method according to claim 14 , the support plate being a PCB, the method further comprising:

printing the first antenna pattern, the second antenna pattern, and the third antenna pattern on the PCB.