(19)
(11)
EP 0 263 832 A1
(12)
(43)
Date of publication:
20.04.1988
Bulletin 1988/16
(21)
Application number:
87900086.0
(22)
Date of filing:
14.11.1986
(51)
International Patent Classification (IPC):
H02K
16/
02
( . )
H03K
17/
042
( . )
H02M
7/
5387
( . )
H03K
17/
0424
( . )
(86)
International application number:
PCT/EP1986/000677
(87)
International publication number:
WO 1987/004024
(
02.07.1987
Gazette 1987/14)
(84)
Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE
(30)
Priority:
19.12.1985
IT 19850023272
(71)
Applicant:
ITALTEL SOCIETA ITALIANA TELECOMUNICAZIONI s.p.a.
I-20149 Milano (IT)
(72)
Inventors:
LENTINI, Salvatore
I-90147 Palermo (IT)
PATTI, Giuseppe
I-90143 Palermo (IT)
(74)
Representative:
Coggi, Giorgio
ITALTEL Società Italiana Telecomunicazioni s.p.a. (Servizio Brevetti) Casella Postale 10
I-20019 Settimo Milanese (MI)
I-20019 Settimo Milanese (MI) (IT)
(54)
CONTROL CIRCUIT OF THE POWER TRANSISTOR IN A DC/AC CONVERTER