Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GERAETEWERK KARL MARX STADT IM
Original Assignee
GERAETEWERK KARL MARX STADT IM
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GERAETEWERK KARL MARX STADT IMfiledCriticalGERAETEWERK KARL MARX STADT IM
Publication of DE2233769A1publicationCriticalpatent/DE2233769A1/de
H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L1/00—Arrangements for detecting or preventing errors in the information received
H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
Verfahren zur Unschaedlichmachung von positiven (atmosphaerischen) und negativen (Fading-) Stoerungen bei der UEbermittlung, insbesondere drahtlos gesendeter Telegraphierzeichen
Typendrucktelegraphenapparat, bei dem der gleiche Zeichencharakter fuer zwei verschiedene Typengruppen (Buchstaben und Zahlen) benutzt und zur Umschaltung auf eine andere Typengruppe ein Typengruppen-wechselzeichen uebertragen wird