(19)
(11) EP 1 181 813 A1

(12)

(43) Date of publication:
27.02.2002 Bulletin 2002/09

(21) Application number: 00919648.6

(22) Date of filing: 24.03.2000
(51) International Patent Classification (IPC)7: H04N 5/00
(86) International application number:
PCT/US0007/980
(87) International publication number:
WO 0072/583 (30.11.2000 Gazette 2000/48)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 21.05.1999 US 135221 P

(71) Applicant: General Instrument Corporation
Horsham, Pennsylvania 19044 (US)

(72) Inventors:
  • BIRNBAUM, Jack, M.
    Southampton, PA 18966 (US)
  • DEL SORDO, Chris
    Souderton, PA 18964 (US)
  • GAZDA, Robert
    Wayne, PA 19087 (US)

(74) Representative: Beck, Jürgen, Dr. Dipl.-Phys. et al
Hoeger, Stellrecht & Partner Uhlandstrasse 14c
70182 Stuttgart
70182 Stuttgart (DE)

   


(54) SOFTWARE ARCHITECTURE FOR A TELEVISION SET-TOP TERMINAL PROVIDING COMPATIBILITY WITH MULTIPLE OPERATING ENVIRONMENTS