(19)
(11)
EP 0 176 563 A1
(12)
(43)
Date of publication:
09.04.1986
Bulletin 1986/15
(21)
Application number:
85901833.0
(22)
Date of filing:
28.03.1985
(51)
International Patent Classification (IPC):
H05B
41/
04
( . )
H05B
41/
38
( . )
H05B
41/
292
( . )
(86)
International application number:
PCT/US1985/000514
(87)
International publication number:
WO 1985/004545
(
10.10.1985
Gazette 1985/22)
(84)
Designated Contracting States:
DE FR GB
(30)
Priority:
28.03.1984
US 19840594458
02.01.1985
US 19850688188
(71)
Applicant:
ELECTRONIC TRANSFORMER CORP.
Grants Pass, OR 97526 (US)
(72)
Inventor:
BOYD, Gerald, D.
Grants Pass, OR 97526 (US)
(74)
Representative:
Enskat, Michael Antony Frank, et al
Saunders & Dolleymore 9, Rickmansworth Road
Watford Hertfordshire WD1 7HE
Watford Hertfordshire WD1 7HE (GB)
(54)
BALLAST AND CONTROL UNIT FOR ELECTRIC DISCHARGE LAMP