EP 0421757 A2 19910410 - Microwave antenna.
Title (en)
Microwave antenna.
Title (de)
Mikrowellenantenne.
Title (fr)
Antenne à micro-ondes.
Publication
Application
Priority
GB 8922377 A 19891004
Abstract (en)
A microwave horn antenna providing wide beam-width of approximately 95 degrees over a band width of 8 to 18GHZ. The antenna consists of a radiating cylinder (1) the front end of which is shaped to provide a central apex or ridge (6) with two faces sloping back from it. A conductor wire (5) extends to provide this ridge across the cylinder (1). Further matching wires (9, 11) extend across behind the ridge conductor (5). A choke ring (19) surrounds the radiating aperture, consisting of a plurality of concentric channels (21) of graded depth, this being one quarter wavelength at frequencies throughout the band. A wide beam, broad band antenna of high performance is thus provided.
IPC 1-7
IPC 8 full level
H01Q 13/02 (2006.01); H01Q 13/06 (2006.01)
CPC (source: EP)
H01Q 13/0241 (2013.01); H01Q 13/0266 (2013.01); H01Q 13/065 (2013.01)
Designated contracting state (EPC)
DE FR IT
DOCDB simple family (publication)
EP 0421757 A2 19910410; EP 0421757 A3 19911121; GB 2236626 A 19910410; GB 2236626 B 19940406; GB 8922377 D0 19900620; GB 9021481 D0 19901114
DOCDB simple family (application)
EP 90310821 A 19901003; GB 8922377 A 19891004; GB 9021481 A 19901003