HIGH FREQUENCY AND MULTI FREQUENCY BAND ULTRASOUND TRANSDUCERS BASED ON CERAMIC FILMS - Patent 1539381

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EP 1 539 381 A1

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(43)	Date of publication:
	15.06.2005 Bulletin 2005/24

(21)	Application number: 02770330.5

(22)	Date of filing: 15.07.2002

(51)	International Patent Classification (IPC)⁷: B06B 1/06, H04R 17/00 // G10K11:02

(86)	International application number:
	PCT/NO2002/000263

(87)	International publication number:
	WO 2004/007098 (22.01.2004 Gazette 2004/04)

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

(71)	Applicant: Eagle Ultrasound AS
	7491 Trondheim (NO)

(72)	Inventors:
	ANGELSEN, Björn, A., J. N-7051 Trondheim (NO) JOHANSEN, Tonni, F. N-7018 Trondheim (NO) ÖSTGAARD, Jarle N-7374 Roeros (NO)

(74)	Representative: Howe, Steven et al
	Lloyd WiseCommonwealth House,1-19 New Oxford Street London WC1A 1LW London WC1A 1LW (GB)

(54)	HIGH FREQUENCY AND MULTI FREQUENCY BAND ULTRASOUND TRANSDUCERS BASED ON CERAMIC FILMS