FR712808A - Disposition de couplage pour installations télégraphiques avec trafic en directionalternante, notamment avec service à auto-connexion
- Google Patents
Disposition de couplage pour installations télégraphiques avec trafic en directionalternante, notamment avec service à auto-connexion
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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Filing date
Publication date
Application filed by Siemens and Halske AG, Siemens AGfiledCriticalSiemens and Halske AG
Application grantedgrantedCritical
Publication of FR712808ApublicationCriticalpatent/FR712808A/fr
H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L12/00—Data switching networks
Landscapes
Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Signal Processing
(AREA)
Interface Circuits In Exchanges
(AREA)
FR712808D1930-01-261931-01-23Disposition de couplage pour installations télégraphiques avec trafic en directionalternante, notamment avec service à auto-connexion
ExpiredFR712808A
(fr)