DE68927576D1 - Teletext-Dekodierer - Google Patents

Teletext-Dekodierer

Info

Publication number
DE68927576D1
DE68927576D1 DE68927576T DE68927576T DE68927576D1 DE 68927576 D1 DE68927576 D1 DE 68927576D1 DE 68927576 T DE68927576 T DE 68927576T DE 68927576 T DE68927576 T DE 68927576T DE 68927576 D1 DE68927576 D1 DE 68927576D1
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
DE68927576T
Other languages
English (en)
Other versions
DE68927576T2 (de
Inventor
David Robert Tarrant
Richard Edward Frederick Bugg
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 DE68927576D1 publication Critical patent/DE68927576D1/de
Application granted granted Critical
Publication of DE68927576T2 publication Critical patent/DE68927576T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04N7/025—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
    • H04N7/08—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
    • H04N7/087—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 with signal insertion during the vertical blanking interval only
    • H04N7/088—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 with signal insertion during the vertical blanking interval only the inserted signal being digital
    • H04N7/0882—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 with signal insertion during the vertical blanking interval only the inserted signal being digital for the transmission of character code signals, e.g. for teletext

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
DE68927576T 1988-05-27 1989-05-22 Teletext-Dekodierer Expired - Fee Related DE68927576T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888812592A GB8812592D0 (en) 1988-05-27 1988-05-27 Teletext decoder
GB898910338A GB8910338D0 (en) 1988-05-27 1989-05-05 Teletext decoders

Publications (2)

Publication Number Publication Date
DE68927576D1 true DE68927576D1 (de) 1997-02-06
DE68927576T2 DE68927576T2 (de) 1997-06-12

Family

ID=26293941

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68927576T Expired - Fee Related DE68927576T2 (de) 1988-05-27 1989-05-22 Teletext-Dekodierer

Country Status (4)

Country Link
US (1) US4910595A (de)
EP (1) EP0343741B1 (de)
JP (1) JP3184830B2 (de)
DE (1) DE68927576T2 (de)

Families Citing this family (7)

* 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
US5210611A (en) * 1991-08-12 1993-05-11 Keen Y. Yee Automatic tuning radio/TV using filtered seek
US5404172A (en) * 1992-03-02 1995-04-04 Eeg Enterprises, Inc. Video signal data and composite synchronization extraction circuit for on-screen display
EP0714584B1 (de) * 1994-06-16 2000-05-03 Koninklijke Philips Electronics N.V. Verfahren und vorrichtung zur übertragung von videotextseiten
AU692558B2 (en) * 1994-07-08 1998-06-11 Koninklijke Philips Electronics N.V. Method of transmitting teletext pages
JP3891587B2 (ja) * 1995-02-02 2007-03-14 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴイ ビデオモザイクとテレテキストとの合成
US6064440A (en) * 1998-01-08 2000-05-16 Navis Digital Media Systems Apparatus for inserting data into the vertical blanking interval of a video signal

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5836089A (ja) * 1981-08-27 1983-03-02 Sony Corp 画像表示装置
GB2181928B (en) * 1985-10-16 1989-10-25 Philips Electronic Associated Teletext television receivers

Also Published As

Publication number Publication date
EP0343741A3 (de) 1993-06-16
DE68927576T2 (de) 1997-06-12
US4910595A (en) 1990-03-20
JPH0226189A (ja) 1990-01-29
EP0343741A2 (de) 1989-11-29
EP0343741B1 (de) 1996-12-27
JP3184830B2 (ja) 2001-07-09

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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