EP 0149400 B1 19891018 - AERIAL WITH A CIRCULAR-MODE PROMOTION SYSTEM
Title (en)
AERIAL WITH A CIRCULAR-MODE PROMOTION SYSTEM
Publication
Application
Priority
FR 8400500 A 19840113
Abstract (en)
[origin: US4743918A] A device for waveguide excitation in circular polarization comprising a microwave feed line along which a transverse electromagnetic wave travels, a waveguide and a radiating element fed by the line for radiating a wave which excites the waveguide in circular polarization.
IPC 1-7
IPC 8 full level
H01P 1/17 (2006.01); H01P 5/103 (2006.01); H01Q 9/27 (2006.01); H01Q 11/08 (2006.01); H01Q 13/24 (2006.01)
CPC (source: EP US)
H01P 1/17 (2013.01 - EP US); H01P 5/103 (2013.01 - EP US); H01Q 9/27 (2013.01 - EP US); H01Q 11/08 (2013.01 - EP US); H01Q 13/24 (2013.01 - EP US)
Designated contracting state (EPC)
DE GB IT SE
DOCDB simple family (publication)
EP 0149400 A2 19850724; EP 0149400 A3 19850814; EP 0149400 B1 19891018; DE 3480249 D1 19891123; FR 2558307 A1 19850719; FR 2558307 B1 19880122; GR 850079 B 19850513; US 4743918 A 19880510
DOCDB simple family (application)
EP 84402741 A 19841227; DE 3480249 T 19841227; FR 8400500 A 19840113; GR 850100079 A 19850111; US 68984885 A 19850109