(19)
(11) EP 1 256 196 A2

(12)

(88) Date of publication A3:
21.02.2002

(43) Date of publication:
13.11.2002 Bulletin 2002/46

(21) Application number: 01914390.8

(22) Date of filing: 16.02.2001
(51) International Patent Classification (IPC)7: H04B 17/00, H04N 7/10, H04N 7/14
(86) International application number:
PCT/US0105/104
(87) International publication number:
WO 0106/1892 (23.08.2001 Gazette 2001/34)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 18.02.2000 US 507255

(71) Applicants:
  • Acnielsen Corporation
    Stamford, CT 06901 (US)
  • Rolton, Leslie Richard
    North Shore,Auckland 1311 (NZ)
  • Denby, Gavin Leslie
    Ngaruwahia 2171 (NZ)

(72) Inventors:
  • ROLTON, Leslie Richard
    Auckland 1311 (NZ)
  • DENBY, Gavin Leslie
    Ngaruawahia 2171 (NZ)

(74) Representative: Barth, Stephan Manuel, Dr. et al
Reinhard-Skuhra-Weise & Partner Gbr,PatentanwälteFriedrichstrasse 31
80801 München
80801 München (DE)

   


(54) AUDIENCE MEASUREMENT SYSTEM AND METHOD FOR DIGITAL BROADCASTS