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Publication of JPS4977553ApublicationCriticalpatent/JPS4977553A/ja
H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
H01Q3/24—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 orientation by switching energy from one active radiating element to another, e.g. for beam switching
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01Q—ANTENNAS, i.e. RADIO AERIALS
H01Q1/00—Details of, or arrangements associated with, antennas
H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
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Variable-Direction Aerials And Aerial Arrays
(AREA)