ANTENNA DEVICE AND TERMINAL - HUAWEI TECH CO LTD

Title:

ANTENNA DEVICE AND TERMINAL

Document Type and Number:

WIPO Patent Application WO/2019/071847

Kind Code:

A1

Abstract:

Provided in embodiments of the present application is an antenna device comprising a first feed branch, a second feed branch, and a radiator connected between the first feed branch and the second feed branch. The first feed branch comprises a first feedpoint and a first filter circuit electrically connected between the first feedpoint and the radiator, the first feedpoint being used for feeding in a signal of a first frequency band. The second feed branch comprises a second feedpoint and a second filter circuit electrically connected between the second feedpoint and the radiator, the second feedpoint being used for feeding in a signal of a second frequency band. The first filter circuit is used for allowing the signal of the first frequency band to pass and the signal of the second frequency band to be grounded. The second filter circuit is used for allowing the signal of the second frequency band to pass and the signal of the first frequency band to be grounded. The antenna device of the present application is provided with a great matching state, has multi-frequency performance, expands the bandwidth of an antenna, and is applicable in a multi-frequency terminal. Also provided in the embodiments of the present application is a terminal.

Inventors:

LI KUN (CN)
LEE CHIEN-MING (CN)
LU BAO (CN)
HUYAN SILEI (CN)

Application Number:

PCT/CN2017/119244

Publication Date:

April 18, 2019

Filing Date:

December 28, 2017

Export Citation:

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Assignee:

HUAWEI TECH CO LTD (CN)

International Classes:

H01Q5/10; H01Q7/06

Foreign References:

CN104505589A	2015-04-08
CN105337040A	2016-02-17
CN103682578A	2014-03-26
CN202111228U	2012-01-11
US20100279734A1	2010-11-04
CN203277656U	2013-11-06
CN103534873A	2014-01-22

Other References: