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Video on demand pay per view services with unmodified conditional access functionality

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04W-007/167
출원번호 US-0620832 (2000-07-21)
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 : 119  인용 특허 : 57

초록

A system and method for storing and retrieving program material for subsequent replay is disclosed. The method comprises the steps of receiving access control information and the program material encrypted according to a first encryption key, the access control information including the first encryp

대표청구항

1. A method of storing program material for subsequent replay, comprising the steps of:receiving encrypted access control information and encrypted program material, the encrypted program material being encrypted according to a first encryption key, and the access control information including the f

이 특허에 인용된 특허 (57)

  1. Blatter Harold ; Horlander Thomas Edward ; Bridgewater Kevin Elliott ; Deiss Michael Scott, Adaptive decoding system for processing encrypted and non-encrypted broadcast, cable or satellite video data.
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  33. Terk Neil, Outdoor antenna system with remote control and method for optimizing antenna function.
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  37. Yuzawa Keji (Tokyo JPX), Satellite broadcasting receiving system with reception level indicator using control signal from receiver.
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