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Current content: 156 978 933 patent documents

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169 914 new documents added

2 331 667 documents amended

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EP 0065467 B1 19860716 - CIRCULARLY POLARISED MICROWAVE ANTENNA

Title (en)

CIRCULARLY POLARISED MICROWAVE ANTENNA

Publication

EP 0065467 B1 19860716 (FR)

Application

EP 82400899 A 19820514

Priority

FR 8109760 A 19810515

Abstract (en)

[origin: US4502053A] A circularly polarized electromagnetic-wave radiator, formed from a rectangular section waveguide and a dipole, is energized directly by the guide and placed in the extension of its largest faces. An associated reflector element enables coincidence of the two respective phase centers of the guide and the dipole.

IPC 1-7

H01Q 21/24; H01Q 1/38

IPC 8 full level

H01Q 9/06 (2006.01); H01Q 21/24 (2006.01)

CPC (source: EP US)

H01Q 9/065 (2013.01 - EP US); H01Q 21/24 (2013.01 - EP US)

Designated contracting state (EPC)

DE GB IT NL

DOCDB simple family (publication)

EP 0065467 A1 19821124; EP 0065467 B1 19860716; DE 3272004 D1 19860821; FR 2506082 A1 19821119; FR 2506082 B1 19850503; US 4502053 A 19850226

DOCDB simple family (application)

EP 82400899 A 19820514; DE 3272004 T 19820514; FR 8109760 A 19810515; US 37671882 A 19820510