(19)
(11) EP 0 470 797 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
13.05.1992 Bulletin 1992/20

(43) Date of publication A2:
12.02.1992 Bulletin 1992/07

(21) Application number: 91307187.4

(22) Date of filing: 05.08.1991
(51) International Patent Classification (IPC)5H01Q 5/02, H01Q 1/24
(84) Designated Contracting States:
DE FR GB

(30) Priority: 10.08.1990 JP 212896/90
10.08.1990 JP 212898/90

(71) Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Kadoma-shi, Osaka-fu, 571 (JP)

(72) Inventor:
  • Haruki, Hiroshi
    Midori-ku, Yokohama-shi (JP)

(74) Representative: Sorrell, Terence Gordon et al
Fitzpatricks, Cardinal Court, 23, Thomas More Street
London E1 9YY
London E1 9YY (GB)


(56) References cited: : 
   
       


    (54) Antenna apparatus


    (57) In an antenna apparatus, a plurality of divisions of antenna elements (21-24) are formed on a radio apparatus cabinet (41) or on a substrate packaged on the surface of the radio apparatus cabinet (1), the divisions are interconnected together by coils (25-27), and a capacitor (28) is connected in parallel with at least one of the coils. The antenna apparatus is compact and tunable to a plurality of frequencies and has a high antenna gain.







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