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  2. Timeline of in vision teletext broadcasts in the UK - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_in_vision...

    It is called Ceefax AM. [2] It is first mentioned in the Radio Times on 21 March. [3] 18 March – Channel 4 broadcasts in-vision teletext pages for the first time. Two magazines are shown – 4-Tel on View and Oracle on View – and in fifteen minute bursts which are repeated several times each day prior to the start of each day's ...

  3. Teletext - Wikipedia

    en.wikipedia.org/wiki/Teletext

    Teletext, or broadcast teletext, is a standard for displaying text and rudimentary graphics on suitably equipped television sets. [1][2] Teletext sends data in the broadcast signal, hidden in the invisible vertical blanking interval area at the top and bottom of the screen. [3]

  4. World System Teletext - Wikipedia

    en.wikipedia.org/wiki/World_System_Teletext

    Teletext Level 2.5 test Comparison between teletext Level 1.0 and teletext Level 2.5. Comparison between teletext Level 1.0 and teletext Level 2.5. Level 2.5 or HiText. [9] [4] was first broadcast in 1994 by the bilingual French-German channel ARTE. With Level 2.5 it is possible to set a background colour and have higher resolution text and images.

  5. Timeline of teletext in the UK - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_teletext_in_the_UK

    12 March – The very first in-vision Ceefax transmission is broadcast. It is shown on BBC1 between 8:30am and 9am. [2] A short time later, two 30-minute broadcasts, usually aired at 10am and 3:30pm, begin on BBC2. The output showcases various aspects of the Ceefax service, with a digest of news, sport, weather, TV listings and other topics.

  6. List of teletext services - Wikipedia

    en.wikipedia.org/wiki/List_of_teletext_services

    Teletext (or "broadcast teletext") is a television information retrieval service developed in the United Kingdom in the early 1970s. It offers a range of text-based information, typically including national, international and sporting news, weather and TV schedules. Subtitle (or closed captioning) information is also transmitted in the teletext ...

  7. JTES - Wikipedia

    en.wikipedia.org/wiki/JTES

    JTES, the Japanese Teletext Specification, is a protocol used for encoding teletext pages, as well as other types of digital data, within the vertical blanking interval (VBI) of an analog video signal in Japan. It was adopted into the international standard CCIR 653 (now ITU-R BT.653) of 1986 as CCIR Teletext System D. [1] [2]

  8. Ceefax - Wikipedia

    en.wikipedia.org/wiki/Ceefax

    e. Ceefax (/ ˈsiːfæks /) was the world's first teletext information service and a forerunner to the current BBC Red Button service. Ceefax was started by the BBC in 1974 and ended, after 38 years of broadcasting, at 23:32:19 BST (11:32 PM BST) on 23 October 2012, in line with the digital switchover being completed in Northern Ireland. [1][2 ...

  9. ORACLE (teletext) - Wikipedia

    en.wikipedia.org/wiki/ORACLE_(teletext)

    A typical ORACLE page, here showing news from ITN. ORACLE (from " O ptional R eception of A nnouncements by C oded L ine E lectronics") was a commercial teletext service first broadcast on the ITV network in 1978 and later additionally on Channel 4 in the United Kingdom from 1982. The service ceased on both channels at 23:59 UTC on 31 December ...