DE68921508T2 - Teletext-Dekodierer. - Google Patents

Teletext-Dekodierer.

Info

Publication number
DE68921508T2
DE68921508T2 DE68921508T DE68921508T DE68921508T2 DE 68921508 T2 DE68921508 T2 DE 68921508T2 DE 68921508 T DE68921508 T DE 68921508T DE 68921508 T DE68921508 T DE 68921508T DE 68921508 T2 DE68921508 T2 DE 68921508T2
Authority
DE
Germany
Prior art keywords
teletext decoder
teletext
decoder
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
DE68921508T
Other languages
English (en)
Other versions
DE68921508D1 (de
Inventor
Richard Edward Frederick Bugg
Nigel Philips Com Metheringham
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.)
Koninklijke Philips NV
Original Assignee
Philips Electronics NV
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
Priority claimed from GB888812592A external-priority patent/GB8812592D0/en
Application filed by Philips Electronics NV filed Critical Philips Electronics NV
Publication of DE68921508D1 publication Critical patent/DE68921508D1/de
Application granted granted Critical
Publication of DE68921508T2 publication Critical patent/DE68921508T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/13—Linear codes
    • H03M13/19—Single error correction without using particular properties of the cyclic codes, e.g. Hamming codes, extended or generalised Hamming codes
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Television Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
DE68921508T 1988-05-27 1989-05-22 Teletext-Dekodierer. Expired - Fee Related DE68921508T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888812592A GB8812592D0 (en) 1988-05-27 1988-05-27 Teletext decoder
GB898908801A GB8908801D0 (en) 1988-05-27 1989-04-19 Teletext decoders

Publications (2)

Publication Number Publication Date
DE68921508D1 DE68921508D1 (de) 1995-04-13
DE68921508T2 true DE68921508T2 (de) 1995-09-21

Family

ID=26293939

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68921508T Expired - Fee Related DE68921508T2 (de) 1988-05-27 1989-05-22 Teletext-Dekodierer.

Country Status (4)

Country Link
US (1) US4963968A (de)
EP (1) EP0343739B1 (de)
JP (1) JP3110427B2 (de)
DE (1) DE68921508T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2233191A (en) * 1989-06-16 1991-01-02 Philips Electronic Associated Teletext decoders
NL8902241A (nl) * 1989-09-07 1991-04-02 Philips Nv Inrichting voor het programmeren van een videorecorder, en een videorecorder voorzien van de inrichting.
US6724431B1 (en) * 1991-03-28 2004-04-20 Texas Instruments Incorporated Program network specific information for TV or radio
EP0536429B1 (de) * 1991-09-30 1995-02-01 Siemens Aktiengesellschaft Gerät zum Verarbeiten von in Zeilen aufgeteilten Videosignalen
DE4239351C1 (de) * 1992-11-24 1994-02-24 Inst Rundfunktechnik Gmbh Verfahren zum Empfangen von Teletextdaten
DE4343951A1 (de) * 1993-12-22 1995-06-29 Inst Rundfunktechnik Gmbh Verfahren zum Empfangen von in einem Fernsehsignal übertragenen Teletextdaten
EP0714583B1 (de) * 1994-06-16 2001-05-30 Koninklijke Philips Electronics N.V. Verfahren und vorrichtung zur übertragung von videotextseiten
DE69607528T2 (de) * 1995-02-02 2000-10-19 Koninkl Philips Electronics Nv Mischen eines videomosaiks mit teletext
JP2007221210A (ja) * 2006-02-14 2007-08-30 Matsushita Electric Ind Co Ltd テレテキストデコード装置、並びにこれを内蔵するテレビジョン受像装置、ビデオ装置及びパーソナルコンピュータ
US8769665B2 (en) * 2009-09-29 2014-07-01 Broadcom Corporation IP communication device as firewall between network and computer system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1370535A (en) * 1973-05-09 1974-10-16 British Broadcasting Corp Transmission of alphanumeric data by television
US3982065A (en) * 1973-10-31 1976-09-21 The General Electric Company Limited Combined television/data receivers
DE2843411A1 (de) * 1978-10-05 1980-04-24 Philips Patentverwaltung Verfahren und anordnung zum uebertragen und empfangen von bildinformation
JPS59103481A (ja) * 1982-12-06 1984-06-14 Toshiba Corp 文字多重放送受信装置
US4593374A (en) * 1983-10-18 1986-06-03 Rca Corporation Teletext magazine code detector
US4577227A (en) * 1983-10-18 1986-03-18 Rca Corporation Teletext framing code detector
GB2149627B (en) * 1983-10-26 1987-06-10 Philips Electronic Associated Teletext television receiver with multi-language display
FR2559631B1 (fr) * 1984-02-10 1990-08-17 Radiotechnique Compelec Procede pour l'elimination d'erreurs a la reception de donnees
GB2181928B (en) * 1985-10-16 1989-10-25 Philips Electronic Associated Teletext television receivers

Also Published As

Publication number Publication date
EP0343739A3 (de) 1991-06-26
JP3110427B2 (ja) 2000-11-20
EP0343739B1 (de) 1995-03-08
DE68921508D1 (de) 1995-04-13
US4963968A (en) 1990-10-16
JPH0230281A (ja) 1990-01-31
EP0343739A2 (de) 1989-11-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8339 Ceased/non-payment of the annual fee