Dette verket har blitt frigitt til allmennheten av opphavspersonen Greggreggreg at engelsk Wikipedia. Dette gjelder på verdensbasis. I enkelte land kan dette være juridisk umulig. I så fall: Greggreggreg gir hvem som helst retten til å bruke dette verket for ethvert formål, uten noen vilkår, med mindre slike vilkår kreves ved lov.Public domainPublic domainfalsefalse
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2007-02-02 15:23 Greggreggreg 462×132×8 (7584 bytes) A simple illustration of a full-duplex communication system.
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{{Information |Description={{en|A simple illustration of a full-duplex communication system.}} |Source=Transferred from [http://en.wikipedia.org en.wikipedia] |Date=2007-02-02 (original upload date) |Author=Original uploader was [[:en:User:Greggreggreg|Gr