VEHICLE OPERATOR STATION WITH THREE DIMENSIONAL ACTIVE NOISE CANCELLATION - Patent 0655157

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EP 0 655 157 A1

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(43)	Date of publication:
	31.05.1995 Bulletin 1995/22

(21)	Application number: 94919087.0

(22)	Date of filing: 18.04.1994

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International Patent Classification (IPC):

B60R 11/ 02^{( . )}

G10K 11/ 178^{( . )}

(86)	International application number:
	PCT/US1994/004205

(87)	International publication number:
	WO 1994/029846 (22.12.1994 Gazette 1994/28)

(84)	Designated Contracting States:
	BE DE FR GB NL

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Priority:

11.06.1993 US 19930074505

(71)	Applicant: CATERPILLAR INC.
	Peoria Illinois 61629-6490 (US)

(72)	Inventors:
	KUO, Sen, M. DeKalb, IL 60115 (US) CHRISTENSEN, Mary, K. Lenexa, KS 66215 (US) HEROLD, Robert, A. Peoria Heights, IL 61614 (US)

(74)	Representative: Jackson, Peter Arthur, et al
	GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)

(54)	VEHICLE OPERATOR STATION WITH THREE DIMENSIONAL ACTIVE NOISE CANCELLATION