US Patent 7925020 Apparatuses and methods for copy protection
Patent 7925020 was granted and assigned to LG on April, 2011 by the United States Patent and Trademark Office.
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Patent abstract
Apparatuses and methods may include creating at least one of a scramble key and a descramble key using a Copy Protection (CP) key that existed prior to a refresh period and using a value created at a time associated with the changing of a channel during the refresh period, and using the at least one of the scramble key and the descrambled key until the CP key is refreshed at an end of the refresh period.
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US Patent 07925020 Apparatuses and methods for copy protection US Patent 7925020 Apparatuses and methods for copy protection
Infobox
Patent Number
0792502000
Patent Number
792502000
Edits on 5 Apr, 2023
Golden AI
Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
079250200
Date of Patent
April 12, 2011
0Patent Application Number
114716140
Date Filed
June 21, 2006
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
079250200
Date of Patent
April 12, 2011
0Patent Application Number
114716140
Date Filed
June 21, 2006
0Official Website
Patent Primary Examiner
Edits on 19 Jun, 2022
Golden AI
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Edits on 7 Dec, 2021
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US Patent 07925020 Apparatuses and methods for copy protection
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07925020
Date of patent
April 12, 2011
Patent application number
11471614
Date Filed
June 21, 2006
Patent primary examiner
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