(19)
(11) EP 0 899 812 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
12.05.1999 Bulletin 1999/19

(43) Date of publication A2:
03.03.1999 Bulletin 1999/09

(21) Application number: 98306495.7

(22) Date of filing: 14.08.1998
(51) International Patent Classification (IPC)6: H01Q 1/24, H01Q 13/02
(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: 27.08.1997 JP 231193/97

(71) Applicant: ALPS ELECTRIC CO., LTD.
Ota-ku Tokyo 145 (JP)

(72) Inventor:
  • Tateishi, Masaaki
    Soma-shi, Fukushima-ken (JP)

(74) Representative: Kensett, John Hinton 
Saunders & Dolleymore, 9 Rickmansworth Road
Watford, Hertfordshire WD1 7HE
Watford, Hertfordshire WD1 7HE (GB)

   


(54) BS converter


(57) A BS converter comprises a box-shaped housing (1) formed of a metallic material and incorporating a circuit board therein, with an electric circuitry being formed on said circuit board; a cylindrical waveguide portion (2) formed of a metallic material and connected at one end thereof to said housing; and a cylindrical horn portion (3) formed of a metallic material and connected to the opposite end of said waveguide portion, wherein said housing, said waveguide portion and said horn portion are separately formed by deep drawing, said housing and said waveguide portion are connected to each other, and said waveguide portion and said horn portion are connected to each other.






Search report