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1. (WO2018099565) ANTENNA TILT DRIVE

Pub. No.:    WO/2018/099565    International Application No.:    PCT/EP2016/079455
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Fri Dec 02 00:59:59 CET 2016
IPC: H01Q 1/24
H01Q 3/00
H01Q 3/32
F03G 7/06
Applicants: HUAWEI TECHNOLOGIES CO., LTD.
JAIME, Sven
Inventors: JAIME, Sven
RIST, Bernhard
HELBIG, Christian
OBERMAIER, Johann Baptist
Title: ANTENNA TILT DRIVE
Abstract:
An antenna (1) including a remote electrical tilt drive (2) for driving a movable phase shifter linkage (4) is provided. The remote electrical tilt drive (2) comprises a shape memory alloy arrangement (5) attached to a non-moving part (6) of the antenna (1) and to the movable phase shifter linkage (4), wherein the shape memory alloy arrangement (5) is configured to move the movable phase shifter linkage (4) in a predetermined direction upon an electrical current being supplied to the shape memory alloy arrangement, and a counter motion member (7) attached to the non-moving part (6) of the antenna (1) and to the movable phase shifter linkage (4) and configured to move the movable phase shifter linkage (4) in a direction opposite to the predetermined direction.