(19)
(11) EP 1 195 847 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
15.05.2002 Bulletin 2002/20

(43) Date of publication A2:
10.04.2002 Bulletin 2002/15

(21) Application number: 01308496.7

(22) Date of filing: 04.10.2001
(51) International Patent Classification (IPC)7: H01Q 9/04, H01Q 15/00
(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: 04.10.2000 US 678128
01.11.2000 US 704510

(71) Applicant: E-Tenna Corporation
Laurel, Maryland 20707 (US)

(72) Inventors:
  • Diaz, Rodolfo E.
    Phoenix, Arizona 85048 (US)
  • McKinzie, William E.
    Fulton, Maryland 20759 (US)

(74) Representative: McLeish, Nicholas Alistair Maxwell et al
Boult Wade Tennant Verulam Gardens 70 Gray's Inn Road
London WC1X 8BT
London WC1X 8BT (GB)

   


(54) Multi-resonant, high-impedance surfaces containing loaded-loop frequency selective surfaces


(57) An antenna system and an artificial magnetic conductor (300) include a frequency selective surface having a frequency dependent permeability ยต1z in a direction normal to the frequency dependent surface, a conductive ground plane (806), and a rodded media (808) disposed between the frequency selective surface and the conductive ground plane.









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