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.)
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Telecommunications Radioelectriques et Telephoniques SA TRT
Original Assignee
Telecommunications Radioelectriques et Telephoniques SA TRT
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Application filed by Telecommunications Radioelectriques et Telephoniques SA TRTfiledCriticalTelecommunications Radioelectriques et Telephoniques SA TRT
Application grantedgrantedCritical
Publication of FR1166175ApublicationCriticalpatent/FR1166175A/fr
H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
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Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Signal Processing
(AREA)
FR1166175D1957-02-051957-02-05Perfectionnements aux systèmes de transmission téléphonique
ExpiredFR1166175A
(fr)