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Teletext is a means of sending text and simple geometric shapes to a properly equipped television screen by use of one of the "vertical blanking interval" lines that together form the dark band dividing pictures horizontally on the television screen. [ 19][ 20] Transmitting and displaying subtitles was relatively easy.
World System Teletext (WST) is the name of a standard for encoding and displaying teletext information, which is used as the standard for teletext throughout Europe today. It was adopted into the international standard CCIR 653 (now ITU-R BT.653) of 1986 as CCIR Teletext System B .
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 ...
Czech Television was established 1 January 1992 as a successor to Czechoslovak Television. It is based on Czech Television Act (Act No. 483/1991 Coll.) as a television service for the citizens of the Czech Republic. On 1 January 1993, a new concept of channels broadcast by Czech Television was introduced, which were renamed to ČT1 (formerly F1 ...
Ceefax (/ ˈ s iː f æ k s /, punning on "see facts") [1] 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.
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Archive of Czech Television. Coordinates: 50°3′2.22″N 14°25′40.29″E. Archive and program funds of the Czech Television ( Archiv a programové fondy České televize; abbreviation APF) is a specialized archive of the Czech Television. [1] Organizationally, it is divided into three separate departments in Prague, Brno and Ostrava.
The term telesoftware was coined by W.J.G. Overington who invented the concept in 1974; [1] it literally means “software at a distance” and it often refers to the transmission of programs for a microprocessor or home computer via broadcast teletext, though the use of teletext was just a convenient way to implement the invention, which had been invented as a theoretical broadcasting concept ...