DE69411009D1 - Zusatzfernsehinformationscodekorrektur in durch synchronisations-unterdrückung verschlüsselten fernsehsignalen - Google Patents

Zusatzfernsehinformationscodekorrektur in durch synchronisations-unterdrückung verschlüsselten fernsehsignalen

Info

Publication number
DE69411009D1
DE69411009D1 DE69411009T DE69411009T DE69411009D1 DE 69411009 D1 DE69411009 D1 DE 69411009D1 DE 69411009 T DE69411009 T DE 69411009T DE 69411009 T DE69411009 T DE 69411009T DE 69411009 D1 DE69411009 D1 DE 69411009D1
Authority
DE
Germany
Prior art keywords
television
information code
code correction
additional
signals encrypted
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 - Lifetime
Application number
DE69411009T
Other languages
English (en)
Other versions
DE69411009T2 (de
Inventor
Juri Tults
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.)
Technicolor USA Inc
Original Assignee
Thomson Consumer Electronics Inc
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 Thomson Consumer Electronics Inc filed Critical Thomson Consumer Electronics Inc
Publication of DE69411009D1 publication Critical patent/DE69411009D1/de
Application granted granted Critical
Publication of DE69411009T2 publication Critical patent/DE69411009T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/025—Systems for the transmission of digital non-picture data, e.g. of text during the active part of a television frame
    • H04N7/035—Circuits for the digital non-picture data signal, e.g. for slicing of the data signal, for regeneration of the data-clock signal, for error detection or correction of the data signal
    • H04N7/0357—Circuits for the digital non-picture data signal, e.g. for slicing of the data signal, for regeneration of the data-clock signal, for error detection or correction of the data signal for error detection or correction
    • 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
    • H04N7/171—Systems operating in the amplitude domain of the television signal
    • H04N7/1713—Systems operating in the amplitude domain of the television signal by modifying synchronisation signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Television Signal Processing For Recording (AREA)
DE69411009T 1993-04-15 1994-02-25 Zusatzfernsehinformationscodekorrektur in durch synchronisations-unterdrückung verschlüsselten fernsehsignalen Expired - Lifetime DE69411009T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/048,159 US5374960A (en) 1993-04-15 1993-04-15 Auxiliary video information code correction in sync-suppression type scrambled video signals
PCT/US1994/001833 WO1994024819A1 (en) 1993-04-15 1994-02-25 Auxiliary video information code correction in sync-suppression type scrambled video signals

Publications (2)

Publication Number Publication Date
DE69411009D1 true DE69411009D1 (de) 1998-07-16
DE69411009T2 DE69411009T2 (de) 1998-10-15

Family

ID=21953042

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69411009T Expired - Lifetime DE69411009T2 (de) 1993-04-15 1994-02-25 Zusatzfernsehinformationscodekorrektur in durch synchronisations-unterdrückung verschlüsselten fernsehsignalen

Country Status (10)

Country Link
US (1) US5374960A (de)
EP (1) EP0706741B1 (de)
JP (1) JP3488460B2 (de)
KR (1) KR100328323B1 (de)
CN (1) CN1058359C (de)
CA (1) CA2156926C (de)
DE (1) DE69411009T2 (de)
ES (1) ES2117262T3 (de)
SG (1) SG83628A1 (de)
WO (1) WO1994024819A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1192602C (zh) * 1996-05-03 2005-03-09 三星电子株式会社 适于音节文字的观众选择型字幕播放和接收方法及其装置
CN1178478C (zh) * 1996-05-03 2004-12-01 三星电子株式会社 适于音节文字的观众选择型字幕广播和接收方法及其设备
EP1057277B1 (de) * 1998-01-29 2007-04-25 Magellan Technology Pty. Limited Sende-empfänger
US20100091187A1 (en) * 2008-10-15 2010-04-15 Echostar Technologies L.L.C. Method and audio/video device for processing caption information
CN106331767B (zh) * 2016-09-09 2020-03-17 腾讯科技（深圳）有限公司 一种数据纠错处理方法、终端、服务器及系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7903340A (nl) * 1979-04-27 1980-10-29 Philips Nv Foutcorrectieschakeling voor een beeld- en/of tekstontvanger.
FR2462073A1 (fr) * 1979-07-17 1981-02-06 Thomson Csf Procede et dispositif pour l'extraction de donnees numeriques en presence de bruit et de distorsions
US4470065A (en) * 1982-03-25 1984-09-04 Rca Corporation Adaptive error concealment using horizontal information determination from adjacent lines
JPH04286297A (ja) * 1991-03-14 1992-10-12 Nec Corp カラーテレビ信号の伝送路誤り検出・補償回路
GB9209147D0 (en) * 1992-04-28 1992-06-10 Thomson Consumer Electronics Auxiliary video information system including extended data services

Also Published As

Publication number Publication date
KR100328323B1 (ko) 2002-07-03
US5374960A (en) 1994-12-20
ES2117262T3 (es) 1998-08-01
DE69411009T2 (de) 1998-10-15
EP0706741A1 (de) 1996-04-17
WO1994024819A1 (en) 1994-10-27
JP3488460B2 (ja) 2004-01-19
KR960702246A (ko) 1996-03-28
CN1120880A (zh) 1996-04-17
EP0706741B1 (de) 1998-06-10
SG83628A1 (en) 2001-10-16
CN1058359C (zh) 2000-11-08
CA2156926A1 (en) 1994-10-27
JPH08509109A (ja) 1996-09-24
CA2156926C (en) 1999-04-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)