FR2550673B1 - Systeme de transmission telephonique comprenant au moins un vocodeur a bande de base associe a un modem - Google Patents

Systeme de transmission telephonique comprenant au moins un vocodeur a bande de base associe a un modem

Info

Publication number
FR2550673B1
FR2550673B1 FR8313096A FR8313096A FR2550673B1 FR 2550673 B1 FR2550673 B1 FR 2550673B1 FR 8313096 A FR8313096 A FR 8313096A FR 8313096 A FR8313096 A FR 8313096A FR 2550673 B1 FR2550673 B1 FR 2550673B1
Authority
FR
France
Prior art keywords
modem
transmission system
telephone transmission
baseband
vocoder associated
Prior art date
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.)
Expired
Application number
FR8313096A
Other languages
English (en)
Other versions
FR2550673A1 (fr
Inventor
Jean-Frederic Zurcher
Philippe Parment
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.)
Etat Francais
Original Assignee
Etat Francais
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 Etat Francais filed Critical Etat Francais
Priority to FR8313096A priority Critical patent/FR2550673B1/fr
Publication of FR2550673A1 publication Critical patent/FR2550673A1/fr
Application granted granted Critical
Publication of FR2550673B1 publication Critical patent/FR2550673B1/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M11/00Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/062Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
FR8313096A 1983-08-09 1983-08-09 Systeme de transmission telephonique comprenant au moins un vocodeur a bande de base associe a un modem Expired FR2550673B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8313096A FR2550673B1 (fr) 1983-08-09 1983-08-09 Systeme de transmission telephonique comprenant au moins un vocodeur a bande de base associe a un modem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8313096A FR2550673B1 (fr) 1983-08-09 1983-08-09 Systeme de transmission telephonique comprenant au moins un vocodeur a bande de base associe a un modem

Publications (2)

Publication Number Publication Date
FR2550673A1 FR2550673A1 (fr) 1985-02-15
FR2550673B1 true FR2550673B1 (fr) 1986-07-11

Family

ID=9291511

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8313096A Expired FR2550673B1 (fr) 1983-08-09 1983-08-09 Systeme de transmission telephonique comprenant au moins un vocodeur a bande de base associe a un modem

Country Status (1)

Country Link
FR (1) FR2550673B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9542955B2 (en) * 2014-03-31 2017-01-10 Qualcomm Incorporated High-band signal coding using multiple sub-bands

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3174560D1 (en) * 1981-07-28 1986-06-12 Ibm Transmission method for voice and digital data and arrangement for carrying out said method
US4528659A (en) * 1981-12-17 1985-07-09 International Business Machines Corporation Interleaved digital data and voice communications system apparatus and method

Also Published As

Publication number Publication date
FR2550673A1 (fr) 1985-02-15

Similar Documents

Publication Publication Date Title
DE3783074D1 (de) Zeit-multiplex-kommunikationssystem mit gemeinsamem lokalem uebertragungsweg und lokaler zeitschlitz fuer vermittlungsinterne rufe.
IT8424178A0 (it) Additivi per lubrificanti.
FR2545203B1 (fr) Dispositif de reference pour bouche a feu
DE3687598D1 (de) Stationsanschluss fuer lokales netzwerk.
DE3485096D1 (de) Schnittstelle fuer ein nachrichtennetz.
EP0127349A3 (en) Network interface device
DE3580461D1 (de) Lokales uebertragungsnetz.
IT1177841B (it) Dispositivo sincronizzatore per sistemi di trasmissione,in particolare sistemi di trasmissione manuale
ES287851Y (es) Un dispositivo de rotulo luminoso.
GB8402673D0 (en) Automatic slot positioning device
GB8409803D0 (en) Lubricating device
DE3485159D1 (de) Lageuebermittlungssystem.
ES532006A0 (es) Perfeccionamientos en un mecanismo de transmision
FR2552190B1 (fr) Transmission automatique pourvue d'un dispositif antirampement
ZA832378B (en) On line automatic poultry shaper
FR2550673B1 (fr) Systeme de transmission telephonique comprenant au moins un vocodeur a bande de base associe a un modem
DE3467240D1 (en) Wind guard device
GB8301346D0 (en) Automatic connection device
GB2147065B (en) Automatic transmission creep-inhibiting device
DE3475156D1 (en) Telephone transmission installation
HK34485A (en) Automatic telephone answering apparatus
DK187588A (da) Automatisk gennemgaaende telefonisystem for den maritime radiortelefoniske tjeneste cimat cm8600
GB8404087D0 (en) Automatic transmissions
IT8320409A0 (it) Innesto a frizione girevole, disinnestabile.
FR2600849B1 (fr) Dispositif de selection de terminaux sur une ligne telephonique

Legal Events

Date Code Title Description
ST Notification of lapse