(19)
(11) EP 1 371 108 A1

(12)

(43) Date of publication:
17.12.2003 Bulletin 2003/51

(21) Application number: 02726106.4

(22) Date of filing: 12.02.2002
(51) International Patent Classification (IPC)7H01P 1/18, H01Q 3/26
(86) International application number:
PCT/EP0201/428
(87) International publication number:
WO 0207/3733 (19.09.2002 Gazette 2002/38)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 14.02.2001 EP 01301238

(71) Applicant: ERA PATENTS LIMITED
LeatherheadSurrey KT22 7SA (GB)

(72) Inventor:
  • SANCHEZ, Fransisco, Javier, Vasquez
    Putney,London SW15 2 QH (GB)

(74) Representative: Rackham, Stephen Neil 
GILL JENNINGS & EVERY,Broadgate House,7 Eldon Street
London EC2M 7LH
London EC2M 7LH (GB)

   


(54) PHASE SHIFTER TUNABLE VIA APERTURES IN THE GROUND PLANE OF THE WAVE GUIDE