System and method for controlling and enforcing access rights to encrypted media | Patent Publication Number 20010029581
US 20010029581 A1Publication DateOct 11, 2001
Original AssigneeMacrovision
Current AssigneeGemstar Development Corporation
United Video Properties
Rovi Solutions Corporation
Rovi Guides Inc.
Rovi Technologies
Sonic Solutions
Index Systems Inc.
Aptiv Digital Inc.
Starsight Telecast Inc.
Veveo Inc.
United Video Properties
Rovi Solutions Corporation
Rovi Guides Inc.
Rovi Technologies
Sonic Solutions
Index Systems Inc.
Aptiv Digital Inc.
Starsight Telecast Inc.
Veveo Inc.
Inventor/ApplicantsChristopher L. Knauft
Christopher L. Knauft
Christopher L. Knauft
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