US 2014/0111386 A1Published application

Multimode Broadband Antenna Module and Wireless Terminal

AssigneeHuawei Device Co., Ltd.

InventorHuiliang Xu

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Abstract

A multimode broadband antenna module and a wireless terminal are provided. The multimode broadband antenna module includes a printed circuit board and an antenna body, where the antenna body includes a first radiator and a second radiator that are electrically connected to the printed circuit board, where the first radiator includes a connection portion, a low frequency portion, and a high frequency portion, the second radiator includes a grounding portion, a low frequency portion, and a high frequency portion, and a first predetermined distance exists between the low frequency portion of the first radiator and the low frequency portion of the second radiator, and a second predetermined distance exists between the high frequency portion of the first radiator and the high frequency portion of the second radiator, so as to form a coupling capacitance effect between the first radiator and the second radiator.

Claims20

Dependent claims

A multimode broadband antenna module, comprising:

a printed circuit board;
a first radiator;
and
a second radiator,
wherein the first radiator comprises a connection portion, a low frequency portion, and a high frequency portion, wherein the low frequency portion of the first radiator is connected to the high frequency portion of the first radiator, and one end of the connection portion of the first radiator is connected to a joint between the low frequency portion and the high frequency portion of the first radiator, and the other end is electrically connected to a signal feeding end of the printed circuit board,
wherein the second radiator comprises a grounding portion, a low frequency portion, and a high frequency portion, wherein the low frequency portion of the second radiator is connected to the high frequency portion of the second radiator, and one end of the grounding portion of the second radiator is connected to a joint between the low frequency portion and the high frequency portion of the second radiator, and the other end is electrically connected to a first grounding end of the printed circuit board, and
wherein a first predetermined distance exists between the low frequency portion of the first radiator and the low frequency portion of the second radiator, and a second predetermined distance exists between the high frequency portion of the first radiator and the high frequency portion of the second radiator to form a coupling capacitance effect between the first radiator and the second radiator.

4 more elements

A wireless terminal, comprising:

a multimode broadband antenna module;
and
a case body,
wherein the multimode broadband antenna module is disposed in the case body, and the multimode broadband antenna module comprises a printed circuit board, a first radiator, and a second radiator,
wherein the first radiator comprises a connection portion, a low frequency portion, and a high frequency portion, wherein the low frequency portion of the first radiator is connected to the high frequency portion of the first radiator, and one end of the connection portion of the first radiator is connected to a joint between the low frequency portion and the high frequency portion of the first radiator, and the other end is electrically connected to a signal feeding end of the printed circuit board,
wherein the second radiator comprises a grounding portion, a low frequency portion, and a high frequency portion, wherein the low frequency portion of the second radiator is connected to the high frequency portion of the second radiator, and one end of the grounding portion of the second radiator is connected to a joint between a low frequency signal and a high frequency signal of the second radiator, and the other end is electrically connected to a first grounding end of the printed circuit board, and
wherein a first predetermined distance exists between the low frequency portion of the first radiator and the low frequency portion of the second radiator, and a second predetermined distance exists between the high frequency portion of the first radiator and the high frequency portion of the second radiator to form a coupling capacitance effect between the first radiator and the second radiator.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 14/145,441Filed 31 Dec 2013
Priority: 17 Oct 2012
Published: 24 Apr 2014
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

H01Q 5/371
Creating multiple current paths: branching current paths
H01Q 1/243
Specially adapted for hand-held use: with built-in antennas
H01Q 5/392
Combination of fed elements with parasitic elements: the parasitic elements having dual-band or multi-band characteristics
H01Q 9/42
With feed to end of elongated active element, e.g. unipole: with folded element, the folded parts being spaced apart a small fraction of the…