PROCESS AND APPARATUS TO CONTROL SYNCHRONOUS MOTORS, SERVOMOTORS IN PARTICULAR - Patent 0308421

(19)

(11)

EP 0 308 421 A1

(12)

(43)	Date of publication:
	29.03.1989 Bulletin 1989/13

(21)	Application number: 87903902.0

(22)	Date of filing: 05.06.1987

(51)

International Patent Classification (IPC):

H02P 25/ 02^{( . )}

(86)	International application number:
	PCT/IT1987/000058

(87)	International publication number:
	WO 1987/007791 (17.12.1987 Gazette 1987/28)

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

(30)

Priority:

06.06.1986 IT 19860020700

(71)	Applicant: el.ge. APPARECCHIATURE ELETTRONICHE INDUSTRIALI S.R.L.
	I-20019 Settimo Milanese (IT)

(72)	Inventor:
	FRANZOLINI, Luciano I-20100 Milan (IT)

(74)	Representative: Dr. Ing. A. Racheli & C. S.r.l.
	Viale San Michele del Carso, 4 I-20144 Milano I-20144 Milano (IT)

(54)	PROCESS AND APPARATUS TO CONTROL SYNCHRONOUS MOTORS, SERVOMOTORS IN PARTICULAR