US 12,113,275 B2
Printed antenna
Dongwei Wu, Wuhan (CN); Jinjin Shao, Wuhan (CN); and Cao Shi, Dongguan (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
Filed on Jun. 22, 2022, as Appl. No. 17/846,215.
Application 17/846,215 is a continuation of application No. PCT/CN2020/116438, filed on Sep. 21, 2020.
Claims priority of application No. 201911345171.7 (CN), filed on Dec. 23, 2019.
Prior Publication US 2022/0320723 A1, Oct. 6, 2022
Int. Cl. H01Q 1/38 (2006.01); H01Q 7/00 (2006.01); H01Q 19/10 (2006.01)
CPC H01Q 1/38 (2013.01) [H01Q 7/00 (2013.01); H01Q 19/10 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A printed antenna, wherein the printed antenna is printed on a substrate, a feed module is further disposed on the substrate, and the printed antenna comprises a loop antenna body, a feed port, and at least one switch component;
the loop antenna body comprises a first end and a second end, there is a spacing between the first end and the second end, a connection line between the first end and the second end forms a closed loop with the loop antenna body, the first end is configured to be connected to the feed module through the feed port, and the second end is configured to be connected to a ground point (GND);
the feed module is configured to output a feed signal to the loop antenna body through the feed port;
the loop antenna body comprises a plurality of loop antenna branches, the switch component is disposed between every two adjacent loop antenna branches, and the switch component is configured to connect or disconnect the two adjacent loop antenna branches; and
the printed antenna further comprises a first reflector antenna body, the first reflector antenna body is disposed on one side of the loop antenna body, and the first reflector antenna body is connected to the feed module, and the first reflector antenna body comprises two first reflector antenna branches, a second switch component is disposed between the two first reflector antenna branches, and the second switch component located between the two first reflector antenna branches is configured to connect or disconnect the two first reflector antenna branches.