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.)
Publication of BE501850ApublicationCriticalpatent/BE501850A/xx
H04L25/42—Transmitting circuits; Receiving circuits using mechanical distributors
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L1/00—Arrangements for detecting or preventing errors in the information received
H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
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
H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
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Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Signal Processing
(AREA)
Motor And Converter Starters
(AREA)
Control Of Electric Motors In General
(AREA)
Safety Devices In Control Systems
(AREA)
Arrangements For Transmission Of Measured Signals
(AREA)