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 Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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 Siemens and Halske AG, Siemens CorpfiledCriticalSiemens and Halske AG
Application grantedgrantedCritical
Publication of FR815092ApublicationCriticalpatent/FR815092A/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)
Sub-Exchange Stations And Push- Button Telephones
(AREA)
FR815092D1935-12-161936-12-16Système de montage pour empêcher les fausses communications dans des installations de télégraphie à sélecteurs
ExpiredFR815092A
(fr)