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Video control system for recorded programs 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04N-007/167
출원번호 US-0501688 (1990-03-29)
발명자 / 주소
  • Walker Stephen S. (Marlborough MA) Sidlo Clarence M. (Framingham MA) Teare Melvin J. (Framingham MA)
출원인 / 주소
  • GTE Laboratories Incorporated (Waltham MA 02)
인용정보 피인용 횟수 : 54  인용 특허 : 0

초록 ▼

A video system includes a central facility and a terminal. Means are provided for playing a video recording medium storing a video program including a series of television fields including a first field containing both a random digital code encrypted according to a code encryption key and program id

대표청구항 ▼

A video system comprising: a central facility; and a terminal including means for playing a video recording medium storing a video program including a series of television fields including a first field containing both a random digital code encrypted according to a code encryption key and program id

이 특허를 인용한 특허 (54)

  1. Livaditis,Elias J.; Kennedy,Kevin, Apparatus and method for single encryption with multiple authorization of distributed content data.
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  2. Tsukamoto Junichi,JPX ; Goto Koichi,JPX ; Fukushima Shinichi,JPX, Controlled-access broadcast signal receiving system.
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  3. Tsukamoto, Junichi; Goto, Koichi; Fukushima, Shinichi, Controlled-access broadcast signal receiving system.
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  4. Tsukamoto, Junichi; Goto, Koichi; Fukushima, Shinichi, Controlled-access broadcast signal receiving system.
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  5. Tsukamoto, Junichi; Goto, Koichi; Fukushima, Shinichi, Controlled-access broadcast signal receiving system.
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  6. Saito, Makoto, Controlling database copyrights.
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  7. Park Tae Joon,KRX, Copy prevention method and apparatus for digital video system.
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  8. Park Tae Joon,KRX, Copy prevention method and apparatus for digital video system.
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  9. Park, Tae Joon, Copy prevention method and apparatus for digital video system.
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  10. Park, Tae Joon, Copy prevention method and apparatus for digital video system.
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  11. Park, Tae Joon, Copy prevention method and apparatus for digital video system.
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  12. Park, Tae Joon, Copy prevention method and apparatus for digital video system.
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  13. Park, Tae Joon, Copy prevention method and apparatus for digital video system.
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  14. Park,Tae Joon, Copy prevention method and apparatus for digital video system.
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  15. Tae Joon Park KR, Copy prevention method and apparatus for digital video system.
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  16. Park, Tae Joon, Copy prevention method and apparatus of a digital recording/reproducing system.
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  17. Park, Tae Joon, Copy prevention method and apparatus of a digital recording/reproducing system.
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  18. Rix, Simon Paul Ashley, Data communication system.
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  19. Saito, Makoto, Data copyright management.
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  20. Saito, Makoto, Data copyright management system.
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  21. Saito, Makoto, Data management system.
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  22. Faro, Scott H.; Mohamed, Feroze B.; Gordon, Nathan J.; Platek, Steven M., Detection of deception and truth-telling using fMRI of the brain.
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  23. Yagawa, Yuichi; Sano, Koichi, Digital content distribution system and protection method.
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  24. Saito, Makoto, Digital content management system and apparatus.
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  25. Nakajima, Yasuhisa, Information processing apparatus and method, and recording medium.
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  26. von Willich Manfred,ZAX ; Rix Simon Paul Ashley,ZAX, Method and apparatus for controlling the operation of a signal decoder in a broadcasting system.
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  27. Park, Tae Joon, Method and apparatus for descrambling digital video data and digital audio data using control data.
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  28. Park, Tae Joon, Method and apparatus for scrambling and/or descrambling digital video data and digital audio data using control data.
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  29. Sharkey, Jeffrey L.; Tran, Huy Q., Method and system for performing multi-level program guide category searches.
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  30. Schull,Jonathan, Method for causing a digital product to revert to a demo mode.
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  31. Rix,Simon Paul Ashley; Glasspool,Andrew; Davies,Donald Watts, Method for providing a secure communication between two devices and application of this method.
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  32. Simon Paul Ashley Rix ZA; Andrew Glasspool GB; Donald Watts Davies GB, Method for providing a secure communication between two devices and application of this method.
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  33. Schull,Jonathan, Method for selling, protecting, and redistributing digital goods.
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  34. Schull,Jonathan, Method of altering a software product in response to predetermined events.
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  35. Olivier, Steve; Pelkey, Gary L.; Placek, David M.; Kennedy, Kevin, Rapid decryption of data by key synchronization and indexing.
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  36. Williams,Matthew, Saw blade case.
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  37. Nishimura Keizo,JPX ; Arai Takao,JPX, Signal recording/reproducing method and apparatus in which key information for descrambling is recorded in an area on t.
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  38. Schull,Jonathan, System and method for controlling access to protected information.
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  39. Schull,Jonathan, System and method for creating and running protected information.
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  40. Schull, Jonathan, System and method for distributing protected information.
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  41. Schull,Jonathan, System and method for operating a licensing server.
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  42. Schull,Jonathan, System and method for processing protected audio information.
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  43. Schull, Jonathan, System and method for processing protected text information.
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  44. Schull,Jonathan, System and method for processing protected video information.
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  45. Schull, Jonathan, System and method for redistributing and licensing access to protected information among a plurality of devices.
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  46. Schull, Jonathan, System and method for redistributing and licensing access to protected information among a plurality of devices.
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  47. Spies Terence R. ; Simon Daniel R., System and method for secure purchase and delivery of video content programs.
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  48. Schull, Jonathan, System and method for selectively changing parameter settings based on lineage analysis of digital information.
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  49. Schull,Jonathan, System and method for selectively enabling access based on lineage analysis of digital information.
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  50. Schull,Jonathan, System and method for selling protected information in an oem context.
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  51. Simon Paul Ashley Rix ZA; Andrew Augustine Wajs NL, System for broadcasting data signals in a secure manner.
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  52. Pinder Howard G. ; Palgon Michael S. ; Akins ; III Glendon L. ; Banker Robert O., Verification of the source of program information in a conditional access system.
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  53. Tsukamoto, Junichi; Goto, Koichi; Fukushima, Shinichi, Video data bus communication system and method.
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  54. Tsukamoto,Junichi; Goto,Koichi; Fukushima,Shinichi, Video data bus communication system and method.
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