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465:" by Kraftwerk. The song's lyrics, "Ich wähl die Nummer, ich wähl die Nummer / Rufe Bildschirmtext, rufe Bildschirmtext" ("I call this number, I call this number / Call Bildschirmtext, call Bildschirmtext"), reference the service as it was in 1981.
364:. The system was launched nationwide in 1983, at the press of a button by the Federal Post Minister at Berlin's IFA The service could only be used with a modem produced by the Bundespost and user uptake was low.
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In 1995 an enhanced backward-compatible standard called Kernel for
Intelligent Communication Terminals (KIT) was announced, but this never really gained acceptance. Btx formed the basis of
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Btx always transferred whole screen pages; the receiver paid per received page. The content provider was free to set the price, and could require either a fee per page (0.01
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The "MultiTel" devices could operate without a TV and allowed simultaneous telephone operation. By 1986 there were also adaptor devices for home computers like the
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and Berlin in 1980. In 1981 the system was expanded to rest of
Germany, with the necessary network being developed by
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427:, where 32 out of a palette of 4096 colors could be shown at the same time. Each page could display 40×24
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Germany. Btx added a number of additional features before launch, including some inspired by the French
507:"Terminal Equipment (TE); Videotex presentation layer protocol Videotex presentation layer data syntax"
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service, to create a new display standard of its own, which in 1981 was designated the
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text characters. This corresponds to the technical possibilities of the early 1980s.
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Btx permits the transmission of graphical pages with a resolution of 480 by 250
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1987 photo of a German youth standing next to a German Post Office Btx terminal
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in 1984. The BTX hack remains well known in German computer science folklore.
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By the 1990s the system was renamed "Datex-J" and focused on the home users.
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527:"Bildschirmtext-Seite nach dem CEPT-Standard als GIF-Graphik wiedergegeben"
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Bildschirmtext is referenced in the German language version of the song "
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specifications, and developed on contract by a small UK company called
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to 9.99 DM), or a time-dependent fee (0.01 DM to 1.30 DM per minute).
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Screen Shots from Btx terminal displaying its description and history
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577:""Bildschirmtext," a videotex system: A network before the Internet"
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545:"BTX page "Overview of Bildschirmtext" — Google Arts & Culture"
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computers) which had to be bought or rented from the
British
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The last Btx access was switched off at the end of 2001 by
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Btx originally required special hardware (it was based on
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591:"Bildschirmtext (Btx) German Videotex System - David"
46:. Unsourced material may be challenged and removed.
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246:Modem for accessing the Bildschirmtext service
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531:bildschirmtext.btx-informationen.rehbein.net
494:. March 13, 1983 – via www.spiegel.de.
445:and in plaintext, leading to the well-known
488:"Bildschirmtext - Computerwissen für alle?"
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106:Learn how and when to remove this message
931:History of telecommunications in Germany
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321:Originally conceived to follow the UK
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238:German "Multifunktionales Telefon 12"
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662:Article on the launch of the system.
575:Museum for Communication Nuremberg.
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44:adding citations to reliable sources
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609:"Kraftwerk - Computer Liebe Lyrics"
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411:; it had been made obsolete by the
356:, with a trial system installed in
306:and the content was displayed on a
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650:Bildschirmtext: Computing for all?
505:ETSI Secretariat (November 1990).
371:(ex: Siemens Decoder Module II).
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31:needs additional citations for
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130:Bildschirmtext on-screen logo
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392:. Btx was also available in
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183:; 23 years ago
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595:dcsutherland.smugmug.com
329:(originally merged into
257:"screen text", abbrev.
884:Videotex character set
400:, where it was called
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441:Data was transferred
327:Systems Designers Ltd
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140:Systems Designers Ltd
386:German reunification
280:, the (West) German
40:improve this article
293:General Post Office
278:Deutsche Bundespost
272:system launched in
144:Deutsche Bundespost
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801:Singapore Teleview
642:Some example pages
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765:Genesis Storytime
658:, 14 March 1983.
297:telephone network
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55:"Bildschirmtext"
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276:in 1983 by the
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463:Computerliebe
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57: –
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51:Find sources:
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41:
35:
34:
29:This article
27:
23:
18:
17:
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777:Microtex 666
746:
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616:. Retrieved
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548:. Retrieved
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369:Commodore 64
366:
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274:West Germany
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212:Discontinued
178:Discontinued
102:
93:
83:
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62:
50:
38:Please help
33:verification
30:
660:(in German)
655:Der Spiegel
645:(in German)
618:24 December
492:Der Spiegel
451:Wau Holland
429:semigraphic
398:Switzerland
197:Platform(s)
160:Launch date
920:Categories
613:Genius.com
550:2022-05-23
469:References
358:Düsseldorf
349:profile.
308:television
66:newspapers
867:Standards
827:BBC Micro
820:Terminals
419:Operation
265:) was an
136:Developer
936:Videotex
741:Viewtron
711:Viewdata
704:Services
697:Videotex
457:In Media
447:BTX hack
413:Internet
402:Videotex
379:T-Online
270:videotex
154:Videotex
96:May 2022
889:Antiope
851:Alextel
759:Captain
735:Minitel
729:Viditel
723:Prestel
717:Telidon
404:(VTX).
394:Austria
390:Germany
343:Minitel
323:Prestel
317:History
204:profile
186: (
168: (
80:scholar
874:NAPLPS
859:(1991)
853:(1988)
847:(1983)
841:(1982)
835:(1981)
829:(1981)
803:(1991)
797:(1988)
791:(1988)
785:(1986)
783:Bistel
779:(1986)
773:(1985)
771:Beltel
767:(1983)
761:(1983)
755:(1983)
749:(1983)
743:(1983)
737:(1982)
731:(1980)
725:(1979)
719:(1978)
713:(1975)
425:pixels
384:After
354:Berlin
337:) for
304:modems
299:using
267:online
255:German
209:Status
82:
75:
68:
61:
53:
833:MUPID
510:(PDF)
347:CEPT1
310:set.
202:CEPT1
87:JSTOR
73:books
879:CEPT
839:NABU
789:Alex
620:2022
396:and
301:V.23
188:2001
181:2001
170:1983
163:1983
150:Type
59:news
449:by
362:IBM
339:IBM
331:EDS
263:BTX
261:or
259:Btx
42:by
922::
652:,
611:.
593:.
559:^
529:.
518:^
490:.
477:^
436:DM
415:.
335:HP
284:.
142:,
689:e
682:t
675:v
622:.
597:.
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553:.
533:.
512:.
253:(
190:)
172:)
109:)
103:(
98:)
94:(
84:·
77:·
70:·
63:·
36:.
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