US 11,705,614 B2
Coupling device and antenna
Jian Zhang, Suzhou (CN); Bo Wu, Suzhou (CN); and Xun Zhang, Suzhou (CN)
Assigned to CommScope Technologies LLC, Hickory, NC (US)
Filed by CommScope Technologies LLC, Hickory, NC (US)
Filed on Aug. 30, 2022, as Appl. No. 17/823,442.
Application 17/823,442 is a continuation of application No. 16/748,953, filed on Jan. 22, 2020, granted, now 11,462,811.
Claims priority of application No. 201910101555.8 (CN), filed on Feb. 1, 2019.
Prior Publication US 2022/0416397 A1, Dec. 29, 2022
Int. Cl. H01P 5/18 (2006.01); H01Q 21/00 (2006.01); H04B 17/12 (2015.01); H04B 17/21 (2015.01); H01Q 3/26 (2006.01)
CPC H01P 5/184 (2013.01) [H01P 5/185 (2013.01); H01Q 3/2605 (2013.01); H01Q 3/267 (2013.01); H01Q 21/0006 (2013.01); H04B 17/12 (2015.01); H04B 17/21 (2015.01)] 10 Claims
OG exemplary drawing
 
1. A coupling device for a base station antenna, comprising:
a first coupler that includes a first main line and a first subline, the first main line and the first subline including a first interdigitated structure that is configured to increase coupling between the first main line and the first subline; and
a second coupler that includes a second main line and a second subline, the second main line and the second subline including a second interdigitated structure that is configured to increase coupling between the second main line and the second subline,
wherein the first subline and the second subline share a common segment, and
wherein first interdigitated structure and the second interdigitated structure are formed in the common segment.