A METHOD AND A DEVICE FOR DETERMINING THE ANGULAR VELOCITY OF A ROTATING CYLINDRICAL SHAFT OF ELECTRICALLY CONDUCTIVE MATERIAL - Patent 0888555

(19)

(11)

EP 0 888 555 A1

(12)

(43)	Date of publication:
	07.01.1999 Bulletin 1999/01

(21)	Application number: 96935652.0

(22)	Date of filing: 20.09.1996

(51)

International Patent Classification (IPC):

G01P 3/ 46^{( . )}
G01P 15/ 00^{( . )}

G01P 3/ 495^{( . )}

(86)	International application number:
	PCT/SE1996/001167

(87)	International publication number:
	WO 1997/014968 (24.04.1997 Gazette 1997/18)

(84)	Designated Contracting States:
	DE FR GB IT SE

(30)

Priority:

20.10.1995 SE 19950003690

(71)	Applicant: ASEA BROWN BOVERI AB
	721 83 Västeras (SE)

(72)	Inventor:
	HAMBERG, Johan S-176 75 Järfälla (SE)

(74)	Representative: Lundblad Vannesjö, Katarina, et al
	Asea Brown Boveri AB, Patent 721 78 Västeras 721 78 Västeras (SE)

(54)	A METHOD AND A DEVICE FOR DETERMINING THE ANGULAR VELOCITY OF A ROTATING CYLINDRICAL SHAFT OF ELECTRICALLY CONDUCTIVE MATERIAL