(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