CN1020324C - 带内控制器 - Google Patents

带内控制器 Download PDF

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Publication number
CN1020324C
CN1020324C CN89103494A CN89103494A CN1020324C CN 1020324 C CN1020324 C CN 1020324C CN 89103494 A CN89103494 A CN 89103494A CN 89103494 A CN89103494 A CN 89103494A CN 1020324 C CN1020324 C CN 1020324C
Authority
CN
China
Prior art keywords
data
mentioned
order
information
band
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN89103494A
Other languages
English (en)
Chinese (zh)
Other versions
CN1040476A (zh
Inventor
罗伯特·O·班克
兰杜夫·J·肖布斯
迈克尔·哈尼
小杰伊·C·麦克马伦
安东尼·J·瓦西鲁斯基
格雷戈里·S·德登
小雷·T·哈曼
戴维·纳达
小威廉·B·撒切尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Scientific Atlanta LLC
Original Assignee
Scientific Atlanta LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Scientific Atlanta LLC filed Critical Scientific Atlanta LLC
Publication of CN1040476A publication Critical patent/CN1040476A/zh
Application granted granted Critical
Publication of CN1020324C publication Critical patent/CN1020324C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Control Of Eletrric Generators (AREA)
  • Earth Drilling (AREA)
CN89103494A 1988-04-29 1989-04-29 带内控制器 Expired - Fee Related CN1020324C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US18848188A 1988-04-29 1988-04-29
US188,481 1988-04-29

Publications (2)

Publication Number Publication Date
CN1040476A CN1040476A (zh) 1990-03-14
CN1020324C true CN1020324C (zh) 1993-04-14

Family

ID=22693343

Family Applications (1)

Application Number Title Priority Date Filing Date
CN89103494A Expired - Fee Related CN1020324C (zh) 1988-04-29 1989-04-29 带内控制器

Country Status (8)

Country Link
EP (1) EP0413752A4 (fr)
JP (1) JPH03505392A (fr)
CN (1) CN1020324C (fr)
AU (1) AU626228B2 (fr)
BR (1) BR8907409A (fr)
CA (1) CA1337214C (fr)
MX (1) MX172482B (fr)
WO (1) WO1989010664A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5497187A (en) * 1991-11-29 1996-03-05 Scientific-Atlanta, Inc. In-band/out-of-band data transmission method and apparatus for a television system
US5477262A (en) * 1991-11-29 1995-12-19 Scientific-Altanta, Inc. Method and apparatus for providing an on-screen user interface for a subscription television terminal
EP0716546B1 (fr) * 1994-12-07 1999-08-25 Philips Electronique Grand Public Procédé d'adressage d'usagers dans un système de télévision à accès réservé
US5874985A (en) * 1995-08-31 1999-02-23 Microsoft Corporation Message delivery method for interactive televideo system
US6005602A (en) * 1995-08-31 1999-12-21 Microsoft Corporation Message delivery method for interactive televideo system
WO2000044167A1 (fr) * 1999-01-26 2000-07-27 Macrovision Corporation Procede et dispositif permettant d'acheminer des donnees avec un signal video de maniere a ne pas enregistrer les donnees
US6950520B1 (en) 1999-01-26 2005-09-27 Macrovision Corporation Method and apparatus for carrying data in a video signal so that the data is not recorded

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4334322A (en) * 1979-10-26 1982-06-08 E-Systems, Inc. Communication management system for providing antijam/privacy capabilities for voice radio communications
WO1981002961A1 (fr) * 1980-03-31 1981-10-15 Tocom Systeme de commande adressable de television par cable avec transmission de donnees de format video
US4823386A (en) * 1981-04-02 1989-04-18 Texscan Corporation Addressable subscriber cable television system
US4434436A (en) * 1981-07-13 1984-02-28 Bruce Merrill Addressable premium channel obfuscation device for cable television systems
US4694490A (en) * 1981-11-03 1987-09-15 Harvey John C Signal processing apparatus and methods
US4450477A (en) * 1982-03-31 1984-05-22 Lovett Bruce E Television information system
CA1177558A (fr) * 1982-04-15 1984-11-06 Groupe Videotron Ltee. (Le) Systeme de transmission de donnees par reseau cable
EP0094794B1 (fr) * 1982-05-14 1992-04-22 Communications Patents Limited Système de communication
US4521770A (en) * 1982-08-30 1985-06-04 International Business Machines Corporation Use of inversions in the near realtime control of selected functions in interactive buffered raster displays
US4580161A (en) * 1982-11-22 1986-04-01 Pico Products, Inc. Cable television subscriber control system including addressable filters having a variable pole
US4709418A (en) * 1983-09-14 1987-11-24 British Telecommunications Public Limited Company Wideband cable network
JPS6096978A (ja) * 1983-10-31 1985-05-30 Clarion Co Ltd 有料テレビジヨンシステム
JPS60130282A (ja) * 1983-12-16 1985-07-11 Pioneer Electronic Corp Ｃａｔｖにおけるデ−タ伝送方式
US4802220A (en) * 1985-03-20 1989-01-31 American Telephone And Telegraph Company, At&T Bell Laboratories Method and apparatus for multi-channel communication security
US4716588A (en) * 1985-10-29 1987-12-29 Payview Limited Addressable subscription television system having multiple scrambling modes
US4710955A (en) * 1985-11-25 1987-12-01 General Instrument Corporation Cable television system with two-way telephone communication path
US4817144A (en) * 1987-03-12 1989-03-28 Zenith Electronics Corporation Secure TV scrambling system using framing code switching

Also Published As

Publication number Publication date
JPH03505392A (ja) 1991-11-21
EP0413752A4 (en) 1992-04-22
CA1337214C (fr) 1995-10-03
CN1040476A (zh) 1990-03-14
MX172482B (es) 1993-12-17
BR8907409A (pt) 1991-04-16
AU3562589A (en) 1989-11-24
AU626228B2 (en) 1992-07-23
WO1989010664A1 (fr) 1989-11-02
EP0413752A1 (fr) 1991-02-27

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee