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Publication of AT289210BpublicationCriticalpatent/AT289210B/de
H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04M—TELEPHONIC COMMUNICATION
H04M3/00—Automatic or semi-automatic exchanges
H04M3/08—Indicating faults in circuits or apparatus
H04M3/12—Marking faulty circuits "busy"; Enabling equipment to disengage itself from faulty circuits ; Using redundant circuits; Response of a circuit, apparatus or system to an error
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Engineering & Computer Science
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Physics & Mathematics
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Astronomy & Astrophysics
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General Physics & Mathematics
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Computer Networks & Wireless Communication
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Signal Processing
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Monitoring And Testing Of Exchanges
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AT178969A1968-02-221969-02-21Schaltungsanordnung für Fernmelde-, insbesondere Fernsprechanlagen, mit elektronisch gesteuerten Wählsterneinrichtungen
AT289210B
(de)