A METHOD AND A DEVICE FOR GENERATING LOW FREQUENCY SOUND AND USE OF THE DEVICE - Patent 1285432

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EP 1 285 432 A1

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(43)	Date of publication:
	26.02.2003 Bulletin 2003/09

(21)	Application number: 01915988.8

(22)	Date of filing: 16.03.2001

(51)	International Patent Classification (IPC)⁷: G10K 11/178, G10K 15/04, H04R 23/00

(86)	International application number:
	PCT/SE0100/540

(87)	International publication number:
	WO 0106/9588 (20.09.2001 Gazette 2001/38)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

16.03.2000 SE 0000863

(71)	Applicant: A2 Acoustics Aktiebolag
	583 30 Linköping (SE)

(72)	Inventor:
	GUSTAVSSON, Mats S-252 50 Helsingborg (SE)

(74)	Representative: Berglund, Stefan et al
	Bjerkéns Patentbyra KBÖstermalmsgatan 58 114 50 Stockholm 114 50 Stockholm (SE)

(54)	A METHOD AND A DEVICE FOR GENERATING LOW FREQUENCY SOUND AND USE OF THE DEVICE