Bildschirmtext
Bildschirmtext (German "screen text", abbrev. Btx or BTX) was an online videotex system launched in West Germany in 1983 by the Deutsche Bundespost, the (West) German postal service.
Bildschirmtext on-screen logo | |
| Developer | Systems Designers Ltd, Deutsche Bundespost |
|---|---|
| Type | Videotex |
| Launch date | 1983 |
| Discontinued | 2001 |
| Platform(s) | CEPT1 profile |
| Status | Discontinued |
Btx originally required special hardware (it was based on GEC 4000 series computers) which had to be bought or rented from the British General Post Office. The data was transmitted through the telephone network using V.23 modems and the content was displayed on a television set.
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