Assignee
NDS LTD
GB104 patents
Top patents by PatentIndex Score
US5939975AAug 17, 1999
Theft prevention system and method
NDS LTD241 citations99
US6466670B1Oct 15, 2002
System for preventing playback of unauthorized digital video recordings
NDS LTD148 citations98
US6312336B1Nov 6, 2001
Electronic game guide system
NDS LTD392 citations98
US6178242B1Jan 23, 2001
Digital recording protection system
NDS LTD188 citations98
US7647609B2Jan 12, 2010
Advertisements in an end-user controlled playback environment
NDS LTD54 citations97
US7340760B2Mar 4, 2008
Advertisements in an end-user controlled playback environment
NDS LTD70 citations97
US6637029B1Oct 21, 2003
Intelligent electronic program guide
NDS LTD652 citations97
US6424947B1Jul 23, 2002
Distributed IRD system
NDS LTD285 citations97
US6227974B1May 8, 2001
Interactive game system
NDS LTD730 citations97
US6681393B1Jan 20, 2004
Viewer interaction feedback method and system for use with an interactive telecommunication system
NDS LTD226 citations96
US6587561B1Jul 1, 2003
Key delivery in a secure broadcasting system
NDS LTD176 citations96
US7779438B2Aug 17, 2010
System for providing visible messages during PVR trick mode playback
NDS LTD85 citations95
US7106749B1Sep 12, 2006
System for data stream processing
NDS LTD61 citations95
US6934855B1Aug 23, 2005
Remote administration of smart cards for secure access systems
NDS LTD59 citations95
US7386127B2Jun 10, 2008
Protection of data on media recording disks
NDS LTD41 citations94
US7031470B1Apr 18, 2006
Protection of data on media recording disks
NDS LTD50 citations94
US6880081B1Apr 12, 2005
Key management for content protection
NDS LTD101 citations94
US6629243B1Sep 30, 2003
Secure communications system
NDS LTD197 citations94
US8347106B2Jan 1, 2013
Method and apparatus for user authentication based on a user eye characteristic
NDS LTD42 citations93
US6772435B1Aug 3, 2004
Digital video broadcast system
NDS LTD161 citations93
US5923666AJul 13, 1999
Decoding carriers encoded using orthogonal frequency division multiplexing
NDS LTD94 citations93
US7882519B2Feb 1, 2011
Advertisements in an end-user controlled playback environment
NDS LTD12 citations92
US7690029B2Mar 30, 2010
Remote administration of smart cards for secure access systems
NDS LTD15 citations92
US7631080B2Dec 8, 2009
Unicast/multicast architecture
NDS LTD15 citations92
US7337332B2Feb 26, 2008
Transferring electronic content
NDS LTD45 citations92
US6785389B1Aug 31, 2004
System for bitstream generation
NDS LTD33 citations92
US6668326B1Dec 23, 2003
Context saving system
NDS LTD30 citations92
US6247950B1Jun 19, 2001
Secure smart card and tool for removing same
NDS LTD82 citations92
US7920702B2Apr 5, 2011
Digital rights management system and method
NDS LTD16 citations91
US7512986B2Mar 31, 2009
Digital rights management system and method
NDS LTD43 citations91
US7013293B1Mar 14, 2006
Portable transaction device
NDS LTD35 citations91
US7995603B2Aug 9, 2011
Secure digital content delivery system and method over a broadcast network
NDS LTD35 citations90
US7530085B2May 5, 2009
Method and system for control of broadcast content access
NDS LTD29 citations90
US7498644B2Mar 3, 2009
Prevention of tampering in electronic devices
NDS LTD21 citations90
US7306522B2Dec 11, 2007
Interactive inter-channel game
NDS LTD17 citations90
US7149309B1Dec 12, 2006
Time-dependent authorization
NDS LTD20 citations90
US5977804ANov 2, 1999
Digital synthesizer
NDS LTD30 citations90
US7379548B2May 27, 2008
Virtual smart card device, method and system
NDS LTD22 citations87
US6848051B2Jan 25, 2005
System for determining successful reception of a message
NDS LTD17 citations87
US7058802B1Jun 6, 2006
Communication management system
NDS LTD40 citations86
US7966666B2Jun 21, 2011
Chip attack protection
NDS LTD16 citations84
US7882233B2Feb 1, 2011
Unicast/multicast architecture
NDS LTD7 citations84
US8051292B2Nov 1, 2011
System for proximity determination
NDS LTD7 citations83
US7903820B2Mar 8, 2011
Key production system
NDS LTD16 citations83
US7882552B2Feb 1, 2011
Remote administration of smart cards for secure access systems
NDS LTD7 citations83
US7765563B2Jul 27, 2010
User interaction feedback system
NDS LTD11 citations81
US7337464B2Feb 26, 2008
Set-top box reformatter
NDS LTD10 citations81
US7782344B2Aug 24, 2010
Digital video zooming system
NDS LTD17 citations80
US7370192B2May 6, 2008
Method and apparatus for preventing cloning of security elements
NDS LTD16 citations80
US6889322B1May 3, 2005
Identification protocols
NDS LTD24 citations80
Showing the top 50 of 104 patents by PatentIndex Score.