(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