Dual polarisation antennas

(19)

(11)

EP 1 022 803 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	11.07.2001 Bulletin 2001/28

(43)	Date of publication A2:
	26.07.2000 Bulletin 2000/30

(21)	Application number: 99310446.2

(22)	Date of filing: 22.12.1999

(51)	International Patent Classification (IPC)⁷: H01Q 9/04, H01Q 21/24, H01Q 21/06

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

(30)

Priority:

22.01.1999 GB 9901298

(71)	Applicant: Finglas Technologies Limited
	Finglas, Dublin 11 (IE)

(72)	Inventor:
	Tang, William Keung Piu Aylesbury, Buckinghamshire HP20 1RJ (GB)

(74)	Representative: Morton, Colin David et al
	Keith W Nash & Co. Pearl Assurance House 90-92 Regent Street Cambridge CB2 1DP Cambridge CB2 1DP (GB)

(54)	Dual polarisation antennas

(57) A dual polarisation antenna has a feed network comprising two feed channels 15, 16 which divide into feed lines 15a, 15b, 16a, 16b respectively coupled to four slots 13a, 13b, 14a, 14b. The four slots are in registration with and couple to four patches 10a, 10b, 12a, 12b which are in turn coupled to a radiating coating 5.

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