(19)
(11) EP 0 944 945 A2

(12)

(43) Date of publication:
29.09.1999 Bulletin 1999/39

(21) Application number: 97913551.0

(22) Date of filing: 14.11.1997
(51) International Patent Classification (IPC): 
H02J 13/ 00( . )
H02J 3/ 24( . )
H02J 3/ 14( . )
H04B 3/ 54( . )
(86) International application number:
PCT/NZ1997/000156
(87) International publication number:
WO 1998/021803 (22.05.1998 Gazette 1998/20)
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 14.11.1996 NZ 19960299756

(71) Applicant: Brian Tolley Corporation Limited
Wellinton (NZ)

(72) Inventors:
  • GOWANS, Dean, Syme
    Wellington (NZ)
  • YUILL, Andrew
    Wellington (NZ)

(74) Representative: Skone James, Robert Edmund 
GILL JENNINGS & EVERY Broadgate House 7 Eldon Street
London EC2M 7LH
London EC2M 7LH (GB)

   


(54) IMPROVEMENTS RELATING TO SIGNALLING IN ELECTRICITY DISTRIBUTION SYSTEMS