SYSTEMS FOR FEEDBACK CANCELLATION IN AN AUDIO INTERFACE GARMENT - Patent 0873606

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EP 0 873 606 A1

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(43)	Date of publication:
	28.10.1998 Bulletin 1998/44

(21)	Application number: 96906634.0

(22)	Date of filing: 26.02.1996

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International Patent Classification (IPC):

H04M 9/ 08^{( . )}
H04R 5/ 02^{( . )}

H04R 3/ 02^{( . )}

(86)	International application number:
	PCT/US1996/002573

(87)	International publication number:
	WO 1997/031439 (28.08.1997 Gazette 1997/37)

(84)	Designated Contracting States:
	AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

(71)	Applicant: Interval Research Corporation
	Palo Alto, CA 94304 (US)

(72)	Inventors:
	WANG, Weijia Sunnyvale, CA 94087 (US) BOYDEN, James, H. Los Altos Hills, CA 94022 (US)

(74)	Representative: W.P. Thompson & Co.
	Coopers Building, Church Street Liverpool L1 3AB Liverpool L1 3AB (GB)

(54)	SYSTEMS FOR FEEDBACK CANCELLATION IN AN AUDIO INTERFACE GARMENT