US 12,224,483 B2
Antenna assembly and electronic device
Pengpeng Li, Guangdong (CN)
Assigned to VIVO MOBILE COMMUNICATION CO., LTD., Guangdong (CN)
Filed by VIVO MOBILE COMMUNICATION CO., LTD., Guangdong (CN)
Filed on Jun. 20, 2022, as Appl. No. 17/844,125.
Application 17/844,125 is a continuation of application No. PCT/CN2020/139592, filed on Dec. 25, 2020.
Claims priority of application No. 201911374802.8 (CN), filed on Dec. 27, 2019.
Prior Publication US 2022/0320714 A1, Oct. 6, 2022
Int. Cl. H01Q 1/24 (2006.01); H01Q 1/36 (2006.01); H01Q 1/50 (2006.01)
CPC H01Q 1/24 (2013.01) [H01Q 1/36 (2013.01); H01Q 1/50 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An antenna assembly, comprising: a rectangular metal frame, wherein the metal frame comprises an inner frame and an outer frame surrounding the inner frame, a first frame of the outer frame is provided with a first gap, a second frame of the outer frame is provided with a second gap, a metal antenna is formed at a part of the outer frame separated between the first gap and the second gap, the metal antenna is connected to the inner frame via a metal connector, a first radiation branch is formed at a part of the metal antenna between the metal connector and the first gap, a second radiation branch is formed at a part of the metal antenna between the metal connector and the second gap, and length of the first radiation branch is less than length of the second radiation branch; wherein
the first frame and the second frame are two adjacent frames of the outer frame, the metal connector and the second gap are both located on a side on which the second frame is located, and the metal connector is located between the second gap and the first frame; and
wherein length of the first frame is less than length of the second frame;
wherein the antenna assembly further comprises: a first grounding switch circuit, a first matching circuit, and a first feed source;
the first radiation branch is provided with a first switch connecting portion and a first feed source connecting portion, wherein the first switch connecting portion is electrically connected to the first grounding switch circuit, and the first feed source connecting portion is electrically connected to the first feed source via the first matching circuit;
the antenna assembly further comprises: a second grounding switch circuit, a second matching circuit, and a second feed source, the second feed source being different from the first feed source; and
the second radiation branch is provided with a second switch connecting portion and a second feed source connecting portion, wherein the second switch connecting portion is electrically connected to the second grounding switch circuit, and the second feed source connecting portion is electrically connected to the second feed source via the second matching circuit.