(19)
(11)
EP 0 181 878 A1
(12)
(43)
Date of publication:
28.05.1986
Bulletin 1986/22
(21)
Application number:
85902092.0
(22)
Date of filing:
10.05.1985
(51)
International Patent Classification (IPC):
G03H
1/
22
( . )
G03H
1/
26
( . )
G09F
19/
12
( . )
G03H
1/
24
( . )
G09F
9/
00
( . )
(86)
International application number:
PCT/GB1985/000200
(87)
International publication number:
WO 1985/005482
(
05.12.1985
Gazette 1985/26)
(84)
Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE
(30)
Priority:
14.05.1984
GB 19840012299
(71)
Applicant:
R.S. PRODUCTIONS LIMITED
Shepperton, Middlesex TW1 7QD (GB)
(72)
Inventor:
JOHNSON, William, Nevil, Heaton
Hampstead London NW3 (GB)
(74)
Representative:
Howden, Christopher Andrew, et al
FORRESTER & BOEHMERT Franz-Joseph-Strasse 38
D-80801 München
D-80801 München (DE)
(54)
IMPROVEMENTS IN OR RELATING TO THE DISPLAY OF HOLOGRAMS