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 NL70309CpublicationCriticalpatent/NL70309C/xx
H04Q3/0016—Arrangements providing connection between exchanges
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04J—MULTIPLEX COMMUNICATION
H04J3/00—Time-division multiplex systems
H04J3/17—Time-division multiplex systems in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive, e.g. TASI
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
H04K1/00—Secret communication
H04K1/06—Secret communication by transmitting the information or elements thereof at unnatural speeds or in jumbled order or backwards
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Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Signal Processing
(AREA)
Interconnected Communication Systems, Intercoms, And Interphones
(AREA)