1) TV news medium
Found on
https://www.crosswordclues.com/clue/teletext
Teletext (or broadcast teletext) is a television information retrieval service created in the United Kingdom in the early 1970s by the Philips Lead Designer for VDUs, John Adams. Teletext is a means of sending pages of text and simple geometric shapes from mosaic blocks to a VBI decoder equipped television screen by use of a number of reserved ver...
Found on
http://en.wikipedia.org/wiki/Teletext
Broadcast service using several otherwise unused scanning lines (vertical blanking intervals) between frames of TV pictures to transmit information from a central data base to receiving television sets.
Found on
http://www.agbnielsen.net/glossary/glossaryQ.asp?type=alpha&jump=none
(from the article `telephone and telephone system`) In addition to fax transmission, there exist two other forms of electronic still-image transmission that have been adopted in several parts of the ... Although relatively unknown in North America, teletext is routine throughout Europe. Teletext uses the vertical blanking interval ( the...
Found on
http://www.britannica.com/eb/a-z/t/21
videography in which information is broadcast utilizing the means of transmission used for normal television broadcasting and the desired part of this information may be selected by any user having suitable equipment NOTE 1 - Information may be transmitted simultaneously with normal television pictures. NOTE 2 - The terms 'teletext' and 'teletex' r...
Found on
http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=701-01-18
Data service transmitted on TV lines not used for picture information, either utilising spare capacity or instead of video information.
Found on
http://www.encyclo.co.uk/local/20482
Teletext is a television-based information system. Teletext is a videotex service, transmitting information in the unused area (usually the top four lines) of a normal television signal. By using a special decoder attached to the television set, this information becomes visible on the entire screen as pages of text and graphics.
Found on
http://www.probertencyclopaedia.com/browse/GT.HTM
A system of broadcasting text and crude graphics to deliver various types of information, typically news reports, business data, sports updates, weather and travel information, programme listings, entertainment and subtitles, which can be presented against a black background or superimposed over the programme. Most modern televisions can receive te...
Found on
http://www.screenonline.org.uk/education/glossary.html
A news and information text service offered through television sets, accessed through interactive menus on screen.
Found on
http://www.thenewsmanual.net/Resources/glossary.html
A system by means of which written information is superimposed on a television signal and broadcast. The signals, concealed in the blanking lines, activate a character generator in the television set, which creates the characters and mixes them into the television picture when a specified teletext page is selected.
Found on
http://www.transedit.se/glossary.htm
Broadcast service using several otherwise unused scanning lines between frames of TV images to transmit text information from a central database to television sets.
Found on
https://www.encyclo.co.uk/local/20812
Broadcast system of displaying information on a television screen. The information – typically covering news, entertainment, sport, and finance – is constantly updated. Teletext is a form of videotext, pioneered in the UK by the British Broadcasting Corporation (BBC) with Ceefax and by Independent Television (ITN) with Teletext
Found on
https://www.encyclo.co.uk/local/21221
No exact match found.
