US Patent 7743261 Unauthorized contents detection system
Patent 7743261 was granted and assigned to Panasonic on June, 2010 by the United States Patent and Trademark Office.
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Patent abstract
An executing device conducts playback of contents. The executing device is equipped with a highly efficient processor and reduces the processing load involved in verification by using, for the verification, only a predetermined number of encrypted units selected randomly from multiple encrypted units constituting encrypted contents recorded on a DVD. In addition, the executing device is capable of improving the accuracy of detecting unauthorized contents by randomly selecting a predetermined number of encrypted units every time the verification is performed.
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Patent Inventor Names
Kaoru Murase0
Kaoru Yokota0
Masao Nonaka0
Masaya Miyazaki0
Masaya Yamamoto0
Motoji Ohmori0
Senichi Onoda0
Toshihisa Nakano0
Yuichi Futa0
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US Patent 07743261 Unauthorized contents detection system US Patent 7743261 Unauthorized contents detection system
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Patent Number
077432610
Patent Number
77432610
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
077432610
Date of Patent
June 22, 2010
0Patent Application Number
118787350
Date Filed
July 26, 2007
0Official Website
Patent Primary Examiner
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US Patent 07743261 Unauthorized contents detection system
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07743261
Date of patent
June 22, 2010
Patent application number
11878735
Date Filed
July 26, 2007
Patent primary examiner
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