214256 ⎘
Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture; Time delay steered arrays using acoustic or magnetostatic wave devices
MICRO-ACOUSTIC FILTENNA
#2Remote electronic tilt base station antennas having adjustable ret rod supports
#3Base station antennas with remote electronic tilt actuators for controlling multiple phase shifters
#4Elastic wave device, high-frequency front-end circuit, and communication apparatus