(19)
(11) EP 0 932 219 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.03.2001 Bulletin 2001/10

(43) Date of publication A2:
28.07.1999 Bulletin 1999/30

(21) Application number: 99660009.4

(22) Date of filing: 20.01.1999
(51) International Patent Classification (IPC)7H01Q 9/04, H01Q 1/24
(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: 21.01.1998 FI 980131

(71) Applicant: Filtronic LK Oy
90440 Kempele (FI)

(72) Inventors:
  • Annamaa, Petteri
    90420 Oulu (FI)
  • Isohätälä. Anne
    90820 Kello (FI)
  • Raatikainen, Seppo
    90450 Kempele (FI)
  • Antila, Kimmo
    90250 Oulu (FI)

(74) Representative: Brax, Matti Juhani et al
Oulun Patenttitoimisto Berggren Oy Ab Teknologiantie 14D
90570 Oulu
90570 Oulu (FI)

   


(54) Planar antenna


(57) An antenna for transmitting and receiving a radio frequency signal comprises a planar radiator (801, 901), a ground plane substantially parallel to the radiator, and a feed point (402, 602, 1106). Further it comprises a separate connector part (404, 604, 1105) for forming an electrical connection between the radiator and the feed point, and means (408, 1101, 1201, 1202) for the mechanical support of the edges of the planar radiator.







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