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Super encrypted storage and retrieval of media programs with smartcard generated keys

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04N-007/167
출원번호 US-0620772 (2000-07-21)
등록번호 US-7457414 (2008-11-25)
발명자 / 주소
  • Kahn,Raynold M.
  • Gagnon,Gregory J.
  • Ha,David D.
  • Klauss,Peter M.
  • Curren,Christopher P.
  • James,Thomas H.
출원인 / 주소
  • The DIRECTV Group, Inc.
인용정보 피인용 횟수 : 8  인용 특허 : 170

초록

A method and apparatus for storing and retrieving program material for subsequent replay is disclosed. In summary, the present invention describes a system and method for storing and retrieving program material for subsequent replay. The method comprises the steps of accepting encrypted access contr

대표청구항

What is claimed is: 1. A method of storing program material in a media storage device communicatively coupled to a receiver for subsequent replay, comprising the steps of: (a) accepting a data stream including data packets with program material encrypted according to a first encryption key and acce

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  1. Rollins, Doug L., Data security for digital data storage.
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  3. Onno, Stephane; Heen, Olivier, Device and method for digital processing management of content so as to enable an imposed work flow.
  4. Raike, William Michael, Encryption processing for streaming media.
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  6. Liu, Yong Liang; Zhou, Guang Hua; Zhang, Yi, System and method for data transmission.
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  8. Huh, Mi Suk, System and method of restricting recording of contents using device key of content playback device.
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