(19)
(11) EP 0 441 881 A1

(12)

(43) Date of publication:
21.08.1991 Bulletin 1991/34

(21) Application number: 89912920.0

(22) Date of filing: 12.10.1989
(51) International Patent Classification (IPC): 
H04R 7/ 18( . )
H04R 9/ 04( . )
H04R 9/ 02( . )
(86) International application number:
PCT/US1989/004501
(87) International publication number:
WO 1990/005435 (17.05.1990 Gazette 1990/11)
(84) Designated Contracting States:
DE FR GB IT SE

(30) Priority: 07.11.1988 US 19880268376

(71) Applicant: HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
Northridge, CA 91329 (US)

(72) Inventor:
  • HOUSE, William, Neal
    Bloomington, IN 47401 (US)

(74) Representative: Barlow, Roy James, et al 
J.A. KEMP & CO. 14, South Square Gray's Inn
London WC1R 5LX
London WC1R 5LX (GB)

   


(54) SHALLOW LOUDSPEAKER WITH SLOTTED MAGNET STRUCTURE