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.)
Autophon AG
Original Assignee
Autophon AG
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 Autophon AGfiledCriticalAutophon AG
Application grantedgrantedCritical
Publication of FR1101062ApublicationCriticalpatent/FR1101062A/fr
H04M9/00—Arrangements for interconnection not involving centralised switching
H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line
Landscapes
Engineering & Computer Science
(AREA)
Signal Processing
(AREA)
FR1101062D1953-05-281954-05-21Installation téléphonique d'abonné comprenant plusieurs postes et une tête de terminaison
ExpiredFR1101062A
(fr)