US 11,870,157 B2
Phase shifter and remote electrical tilt antenna
Fuwei Lei, Xi'an (CN); Xinming Liu, Xi'an (CN); Maobin Li, Dongguan (CN); and Weimin Li, Xi'an (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
Filed on Jan. 28, 2021, as Appl. No. 17/161,550.
Application 17/161,550 is a continuation of application No. PCT/CN2019/098116, filed on Jul. 29, 2019.
Claims priority of application No. 201810860216.3 (CN), filed on Jul. 31, 2018.
Prior Publication US 2021/0151881 A1, May 20, 2021
Int. Cl. H01P 1/18 (2006.01); H01Q 3/36 (2006.01); H01Q 3/40 (2006.01)
CPC H01Q 3/36 (2013.01) [H01P 1/184 (2013.01); H01Q 3/40 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A phase shifter, comprising:
a cavity;
a signal input terminal;
a signal output terminal;
a metal strip connected to the signal input terminal and the signal output terminal, wherein the metal strip comprises a transmission portion and a fastening portion connected to the transmission portion;
a fastener connected to the fastening portion to fasten the metal strip in the cavity, wherein the transmission portion is suspended in the cavity from the fastener being connected to the fastening portion; and
a sliding dielectric disposed in the cavity and movable relative to the transmission portion of the metal strip.