CN-114628887-B - Mobile terminal antenna system and mobile terminal

Abstract

Embodiments of the present disclosure provide a mobile terminal antenna system and a mobile terminal. The mobile terminal antenna system comprises an antenna supporting a satellite communication signal frequency band, a first intermediate electric device and an antenna extension ground with a satellite antenna extension ground, wherein the antenna can be coupled with a circuit board with a reference ground of a mobile terminal for signal transmission and reception, the first intermediate electric device is used for being connected between the circuit board and the antenna extension ground, and the antenna extension ground is used for being spaced from the circuit board and the antenna, so that the antenna extension ground can increase the length of the reference ground.

Inventors

• MAO YONGJIN

Assignees

• 湖北星纪时代科技有限公司

Dates

Publication Date

20260508

Application Date

20220415

Claims (20)

1. 1. A mobile terminal antenna system, characterized in that it comprises an antenna supporting a satellite communication signal band, a first intermediate electric device and an antenna extension with a satellite antenna extension, wherein the antenna can be coupled with a circuit board of a mobile terminal with a reference ground for the transmission and reception of signals, the first intermediate electric device is arranged to be connected between the circuit board and the antenna extension, the antenna extension is arranged to be spaced apart from the circuit board and from the antenna such that the antenna extension can increase the length of the reference ground, the mobile terminal antenna system further comprises a second network antenna signal feed and a second filter and/or switch circuit connected to each other, the second network antenna signal feed and the second filter and/or switch circuit are arranged to be connected between the circuit board and the antenna extension, the second network antenna signal feed is arranged beside the first intermediate electric device, and the circuit where the first intermediate device is located and the second network antenna signal feed are connected to the antenna extension at a point of the antenna extension.
2. 2. The mobile terminal antenna system of claim 1, wherein the first intermediate electrical device comprises a first inductance.
3. 3. The mobile terminal antenna system according to claim 1, wherein the first intermediate electrical device comprises a first switch for switching and/or on-off of an antenna path.
4. 4. The mobile terminal antenna system of claim 1, wherein the antenna comprises a satellite communications antenna and a first network type antenna.
5. 5. The mobile terminal antenna system of claim 4, wherein the antenna supporting the satellite communication signal band and the first network-based antenna share a radiator.
6. 6. The mobile terminal antenna system of claim 4 or 5, further comprising a first filter circuit for connection between the antenna and the circuit board.
7. 7. The mobile terminal antenna system of claim 6, wherein the first filter circuit comprises a filter inductance and/or a filter capacitance.
8. 8. The mobile terminal antenna system according to any of claims 1 to 5, further comprising an antenna signal feed, said antenna signal feed being capable of being disposed on said circuit board and connected to said antenna.
9. 9. The mobile terminal antenna system of claim 8, wherein the antenna signal feed comprises a satellite antenna signal feed and a first network-based antenna signal feed.
10. 10. The mobile terminal antenna system according to claim 1, further comprising a third filtering and/or switching circuit connected between the first intermediate electrical device and the antenna extension ground.
11. 11. The mobile terminal antenna system according to any of claims 1 to 5, further comprising a second intermediate electrical device for connection between the antenna and the circuit board.
12. 12. The mobile terminal antenna system according to claim 11, wherein the second intermediate electrical device comprises a second inductance or capacitance and a second switch connected to each other.
13. 13. The mobile terminal antenna system of claim 8, wherein the antenna signal feed-in device comprises a metal dome.
14. 14. The mobile terminal antenna system of any one of claims 1-5, wherein the antenna further comprises a second network type antenna for extension.
15. 15. The mobile terminal antenna system according to any of claims 1 to 5, characterized in that the antenna and/or the antenna is prolonged configured as a metal bezel structure, LDS or FPC structure.
16. 16. The mobile terminal antenna system of claim 9, wherein the satellite antenna signal feed and the first network antenna signal feed are separate components or the same component.
17. 17. The mobile terminal antenna system of claim 11, further comprising a fourth filter circuit connected between the antenna and the second intermediate electrical device.
18. 18. The mobile terminal antenna system of any one of claims 1-5, further comprising a third network antenna coupleable with the circuit board for transmission and reception of signals, and being lengthened from the antenna and spaced apart from the antenna.
19. 19. Mobile terminal, characterized in that it comprises a mobile terminal antenna system according to any of claims 1 to 18.
20. 20. The mobile terminal of claim 19, comprising a circuit board with a reference ground, the antenna coupled to the circuit board for transmission and reception of signals, the first intermediate electrical device connected between the circuit board and the antenna extension, the antenna extension spaced from the circuit board and from the antenna such that the antenna extension increases the length of the reference ground.

Description

Mobile terminal antenna system and mobile terminal Technical Field The present disclosure relates to the field of consumer electronics technologies such as mobile phones and PADs, and in particular, to an antenna system used on a mobile terminal, and more particularly, to a mobile terminal antenna system and a mobile terminal. Background With the development of 5G technology and the demand of people for network communication under special use situations (mountain climbing, navigation, etc.), conventional network communication cannot meet the demand, and satellite communication can well solve the above problems, which is an important way for the development of subsequent communication. How to integrate a satellite communication antenna into a mobile terminal is an important issue facing various consumer mobile terminals at present. Disclosure of Invention According to an aspect of the present disclosure, there is provided: A mobile terminal antenna system comprising an antenna supporting a satellite communications signal band, a first intermediate electrical device for connection between the circuit board and the antenna extension, and an antenna extension with a satellite antenna extension, wherein the antenna is coupleable with a circuit board of a mobile terminal with a reference ground for transmission and reception of signals, the antenna extension being for spacing from the circuit board and from the antenna such that the antenna extension is capable of increasing the length of the reference ground. Optionally, according to an embodiment of the present disclosure, the first intermediate electrical device comprises a first inductance. Optionally, according to an embodiment of the present disclosure, the first intermediate electric device includes a first switch for switching on and/or off of the antenna path. Optionally, according to an embodiment of the disclosure, the antenna includes a satellite communications antenna and a first network antenna. Optionally, according to an embodiment of the present disclosure, the antenna supporting the satellite communication signal band and the first network antenna share a radiator. Optionally, according to an embodiment of the present disclosure, the mobile terminal antenna system further includes a first filter circuit for connecting between the antenna and the circuit board. Optionally, according to an embodiment of the present disclosure, the first filter circuit comprises a filter inductance and/or a filter capacitance. Optionally, according to an embodiment of the present disclosure, the mobile terminal antenna system further includes an antenna signal feed device, and the antenna signal feed device can be disposed on the circuit board and connected to the antenna. Optionally, according to an embodiment of the disclosure, the antenna signal feeder includes a satellite antenna signal feeder and a first network antenna signal feeder. Optionally, according to an embodiment of the present disclosure, the mobile terminal antenna system further includes a second network antenna signal feed and a second filtering and/or switching circuit connected to each other, where the second network antenna signal feed and the second filtering and/or switching circuit are configured to be connected between the circuit board and the antenna extension. Optionally, according to an embodiment of the present disclosure, the mobile terminal antenna system further comprises a third filtering and/or switching circuit connected between the first intermediate electrical device and the antenna extension. Optionally, according to an embodiment of the present disclosure, the mobile terminal antenna system further comprises a second intermediate electrical device for connection between the antenna and the circuit board. Optionally, according to an embodiment of the present disclosure, the second intermediate electrical device comprises a second inductance or capacitance and a second switch connected to each other. Optionally, according to an embodiment of the present disclosure, the antenna signal feed-in device includes a metal spring. Optionally, according to an embodiment of the disclosure, the antenna further comprises a second network antenna. Optionally, according to an embodiment of the present disclosure, the antenna and/or the antenna is prolonged configured as a metal bezel structure, an LDS or an FPC structure. Optionally, according to an embodiment of the disclosure, the satellite antenna signal feeder and the first network antenna signal feeder are separate components or are the same component. Optionally, according to an embodiment of the present disclosure, the mobile terminal antenna system further comprises a fourth filter circuit connected between the antenna and the second intermediate electrical device. Optionally, according to an embodiment of the present disclosure, the mobile terminal antenna system further includes a third network-type antenna, the third network-type