(19)

(11)

EP 1 636 900 A2

(12)

(88) Date of publication A3: 12.05.2005 (43) Date of publication: 22.03.2006 Bulletin 2006/12 (21) Application number: 04756111.3 (22) Date of filing: 24.06.2004

(51) International Patent Classification (IPC):  H03D 1/04(1968.09) (86) International application number: PCT/US2004/020427 (87) International publication number: WO 2005/004338 (13.01.2005 Gazette 2005/02)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 25.06.2003 US 482333 P (71) Applicant: INTERDIGITAL TECHNOLOGY CORPORATION Wilmington, DE 19801 (US)	(72) Inventors: REZNIK, Alexander Titusville, NJ 08560 (US) YANG, Rui Greenlawn, NY 11740 (US) LI, Bin Ronkonkoma, NY 11779 (US) ZEIRA, Ariela Huntington, NY 11743 (US) (74) Representative: Engdahl, Stefan  Awapatent AB P.O. Box 45086 104 30 Stockholm 104 30 Stockholm (SE)