FR654946A - Dispositif pour l'exploitation facultative de la typo-télégraphie sur des lignes téléphoniques, particulièrement sur câbles téléphoniques
- Google Patents
Dispositif pour l'exploitation facultative de la typo-télégraphie sur des lignes téléphoniques, particulièrement sur câbles téléphoniques
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.)
Alcatel Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
C Lorenz AG
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Application filed by Standard Elektrik Lorenz AG, C Lorenz AGfiledCriticalStandard Elektrik Lorenz AG
Application grantedgrantedCritical
Publication of FR654946ApublicationCriticalpatent/FR654946A/fr
H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
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Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Signal Processing
(AREA)
FR654946D1927-06-081928-05-29Dispositif pour l'exploitation facultative de la typo-télégraphie sur des lignes téléphoniques, particulièrement sur câbles téléphoniques
ExpiredFR654946A
(fr)