(19)
(11) EP 0 356 260 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
21.08.1991 Bulletin 1991/34

(43) Date of publication A2:
28.02.1990 Bulletin 1990/09

(21) Application number: 89308678.5

(22) Date of filing: 25.08.1989
(51) International Patent Classification (IPC)5: H01H 47/00
(84) Designated Contracting States:
AT BE CH DE ES FR GB GR IT LI LU NL SE

(30) Priority: 26.08.1988 AU 72/88
12.05.1989 AU 4138/88

(71) Applicant: MacMillan, Stephen
Beaconsfield Western Australia (AU)

(72) Inventor:
  • MacMillan, Stephen
    Beaconsfield Western Australia (AU)

(74) Representative: Cline, Roger Ledlie et al
EDWARD EVANS & CO. Chancery House 53-64 Chancery Lane
London WC2A 1SD
London WC2A 1SD (GB)


(56) References cited: : 
   
       


    (54) Control circuit


    (57) The control circuit, to be connected between a master switch and an electrical circuit, responds to first and second events. On occurrence of the first event when a first device (13) of the control circuit is non-conductive and the master switch is closed, the first device is made conductive through the agency of second and third devices of the control circuit if and only if the control switch (14) of the control circuit is closed within a predetermined period.







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