AN AIR-DRIVEN LOW FREQUENCY SOUND GENERATOR AND A METHOD FOR REGULATING THE PISTON IN SUCH A GENERATOR - Patent 1542810

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EP 1 542 810 A1

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(43)	Date of publication:
	22.06.2005 Bulletin 2005/25

(21)	Application number: 03765419.1

(22)	Date of filing: 21.07.2003

(51)	International Patent Classification (IPC)⁷: B06B 1/18 // (B08B3/12, G10K7:06)

(86)	International application number:
	PCT/SE2003/001234

(87)	International publication number:
	WO 2004/009255 (29.01.2004 Gazette 2004/05)

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

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Priority:

22.07.2002 SE 0202291

(71)	Applicant: Olsson, Mats
	181 32 Lidingö (SE)

(72)	Inventor:
	Olsson, Mats 181 32 Lidingö (SE)

(74)	Representative: Nilsson, Brita Linnea et al
	Zacco Sweden ABP.O. Box 23101 104 35 Stockholm 104 35 Stockholm (SE)

(54)	AN AIR-DRIVEN LOW FREQUENCY SOUND GENERATOR AND A METHOD FOR REGULATING THE PISTON IN SUCH A GENERATOR