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.)
Nokia Inc
Original Assignee
Nokia Inc
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
Priority claimed from FR6944622Aexternal-prioritypatent/FR2071282A5/fr
Application filed by Nokia IncfiledCriticalNokia Inc
Priority to FR7218014ApriorityCriticalpatent/FR2184506B2/fr
Publication of FR2184506A2publicationCriticalpatent/FR2184506A2/fr
Application grantedgrantedCritical
Publication of FR2184506B2publicationCriticalpatent/FR2184506B2/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