(19)
(11)
EP 0 415 966 A1
(12)
(43)
Date of publication:
13.03.1991
Bulletin 1991/11
(21)
Application number:
89905587.0
(22)
Date of filing:
03.05.1989
(51)
International Patent Classification (IPC):
H04N
17/
00
( . )
H04N
7/
16
( . )
H04H
60/
47
( . )
H04H
60/
91
( . )
(86)
International application number:
PCT/AU1989/000189
(87)
International publication number:
WO 1989/011199
(
16.11.1989
Gazette 1989/27)
(84)
Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE
(30)
Priority:
04.05.1988
AU 19880008039
07.09.1988
AU 19880000278
(71)
Applicant:
VOGEL, Peter Samuel
Faulconbridge, NSW 2776 (AU)
(72)
Inventor:
VOGEL, Peter Samuel
Faulconbridge, NSW 2776 (AU)
(74)
Representative:
Shindler, Nigel, et al
BATCHELLOR, KIRK & CO. 2 Pear Tree Court Farringdon Road
London EC1R 0DS
London EC1R 0DS (GB)
(54)
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