(19)
(11) EP 0 592 467 A1

(12)

(43) Date of publication:
20.04.1994 Bulletin 1994/16

(21) Application number: 92911889.0

(22) Date of filing: 16.06.1992
(51) International Patent Classification (IPC): 
H04H 1/ 00( . )
G06Q 30/ 00( . )
H04H 60/ 64( . )
G06F 17/ 18( . )
H04H 60/ 33( . )
(86) International application number:
PCT/AU1992/000286
(87) International publication number:
WO 1993/001554 (21.01.1993 Gazette 1993/03)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI NL SE

(30) Priority: 02.07.1991 AU 19910007023
29.10.1991 AU 19910009175

(71) Applicant: THE ROY MORGAN RESEARCH CENTRE PTY. LTD.
Melbourne, VIC 3001 (AU)

(72) Inventors:
  • RENNIE, George, C.
    Fitzroy, VIC 3065 (AU)
  • GRANT, Peter
    Carlton North, VIC 3054 (AU)

(74) Representative: Beresford, Keith Denis Lewis, et al 
BERESFORD & Co. 2-5 Warwick Court High Holborn
London WC1R 5DJ
London WC1R 5DJ (GB)

   


(54) REACH AND FREQUENCY ESTIMATION FOR MEDIA