IL107825A - In-band/out-of-band data transmission method and apparatus for a television system - Google Patents

In-band/out-of-band data transmission method and apparatus for a television system

Info

Publication number
IL107825A
IL107825A IL10782593A IL10782593A IL107825A IL 107825 A IL107825 A IL 107825A IL 10782593 A IL10782593 A IL 10782593A IL 10782593 A IL10782593 A IL 10782593A IL 107825 A IL107825 A IL 107825A
Authority
IL
Israel
Prior art keywords
band
data transmission
transmission method
television system
band data
Prior art date
Application number
IL10782593A
Other languages
English (en)
Other versions
IL107825A0 (en
Original Assignee
Scientific Atlanta
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 filed Critical Scientific Atlanta
Publication of IL107825A0 publication Critical patent/IL107825A0/xx
Publication of IL107825A publication Critical patent/IL107825A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • 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)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Systems (AREA)
IL10782593A 1992-12-01 1993-12-01 In-band/out-of-band data transmission method and apparatus for a television system IL107825A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US98376692A 1992-12-01 1992-12-01

Publications (2)

Publication Number Publication Date
IL107825A0 IL107825A0 (en) 1994-04-12
IL107825A true IL107825A (en) 1997-08-14

Family

ID=25530083

Family Applications (1)

Application Number Title Priority Date Filing Date
IL10782593A IL107825A (en) 1992-12-01 1993-12-01 In-band/out-of-band data transmission method and apparatus for a television system

Country Status (4)

Country Link
CN (1) CN1092586A (zh)
AU (1) AU5683994A (zh)
IL (1) IL107825A (zh)
WO (1) WO1994013108A1 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0153824B1 (ko) * 1995-03-16 1998-11-16 김영환 광케이블 텔레비젼용 분산형 가입자 댁내 장치 및 전원 감시 장치
US7082398B1 (en) 1996-01-16 2006-07-25 The Nasdaq Stock Market, Inc. Media wall for displaying financial information
CN100384250C (zh) * 2000-02-24 2008-04-23 北京华诺信息技术有限公司 一种在模拟电视基带信号中插入数据的方法
AU2003253956A1 (en) * 2002-07-15 2004-02-02 Integra5 Communication Inc. Context aware transmission management method
WO2004018060A2 (en) * 2002-08-21 2004-03-04 Lime Studios Limited Improvements to interactive tv games system
CN102131104A (zh) * 2011-03-22 2011-07-20 中广传播集团有限公司 加扰业务的方法
CN107273091B (zh) * 2016-04-08 2020-11-10 佛山市顺德区顺达电脑厂有限公司 在带内数据环境中下达非带内数据格式指令的系统及方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319273A (en) * 1979-10-26 1982-03-09 Rca Corporation Television signal with encoded synchronizing signals
EP0049280B1 (en) * 1980-03-31 1990-10-31 General Instrument Corporation A television communication arrangement for transmitting data signals
US4335402A (en) * 1980-07-01 1982-06-15 Rca Corporation Information transmission during first-equalizing pulse interval in television
US4568974A (en) * 1982-10-28 1986-02-04 Oak Industries Inc. Video scrambling by the application of a variable periodic scrambling waveform
JPS59152786A (ja) * 1983-02-18 1984-08-31 Sanyo Electric Co Ltd Ｃａｔｖ放送におけるスクランブル方式
US4620227A (en) * 1984-01-30 1986-10-28 Cybernetic Data Products Data decoder
US4890319A (en) * 1984-09-21 1989-12-26 Scientific-Atlantic, Inc. Method for controlling copying of protected information transmitted over a communications link
US4815129A (en) * 1985-01-02 1989-03-21 General Instrument Corp. Video encryption system
US4914694A (en) * 1988-04-11 1990-04-03 Eidak Corporation Modifying a television signal to inhibit recording/reproduction
US4924498A (en) * 1988-04-29 1990-05-08 Scientific Atlanta, Inc. Method and apparatus for improving video scrambling and employing split snyc pulses
US5058160A (en) * 1988-04-29 1991-10-15 Scientific-Atlanta, Inc. In-band controller
US4994908A (en) * 1988-12-23 1991-02-19 Scientific-Atlanta, Inc. Interactive room status/time information system
US4991011A (en) * 1988-12-23 1991-02-05 Scientific-Atlanta, Inc. Interactive television terminal with programmable background audio or video
JP2697231B2 (ja) * 1990-03-12 1998-01-14 松下電器産業株式会社 Ｃａｔｖシステム
US5140420A (en) * 1990-10-05 1992-08-18 General Electric Company Information in vertical blanking interval of video sync signal
US5257396A (en) * 1991-09-17 1993-10-26 Zenith Electronics Corporation Dual in-band/out-of-band CATV system
US5223930A (en) * 1991-10-18 1993-06-29 Zenith Electronics Corporation Data recovery system using dot clock counting
US5247364A (en) * 1991-11-29 1993-09-21 Scientific-Atlanta, Inc. Method and apparatus for tuning data channels in a subscription television system having in-band data transmissions

Also Published As

Publication number Publication date
IL107825A0 (en) 1994-04-12
WO1994013108A1 (en) 1994-06-09
CN1092586A (zh) 1994-09-21
AU5683994A (en) 1994-06-22

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Legal Events

Date Code Title Description
FF Patent granted
RH Patent void