FR2191797A5 - - Google Patents
Info
- Publication number
- FR2191797A5 FR2191797A5 FR7223174A FR7223174A FR2191797A5 FR 2191797 A5 FR2191797 A5 FR 2191797A5 FR 7223174 A FR7223174 A FR 7223174A FR 7223174 A FR7223174 A FR 7223174A FR 2191797 A5 FR2191797 A5 FR 2191797A5
- Authority
- FR
- France
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- 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
- H04B1/667—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 using a division in frequency subbands
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7223174A FR2191797A5 (xx) | 1972-06-27 | 1972-06-27 | |
ZA734088A ZA734088B (en) | 1972-06-27 | 1973-06-15 | Transmitter-receiver for telephone signals |
IT51029/73A IT985784B (it) | 1972-06-27 | 1973-06-26 | Dispositivo emettitore ricevitore di segnali telefonici |
DE2332775A DE2332775A1 (de) | 1972-06-27 | 1973-06-27 | Sende-empfangsanordnung fuer digitalisierte fernsprechsignale |
NL7308931A NL7308931A (xx) | 1972-06-27 | 1973-06-27 | |
JP48071817A JPS4959501A (xx) | 1972-06-27 | 1973-06-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7223174A FR2191797A5 (xx) | 1972-06-27 | 1972-06-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2191797A5 true FR2191797A5 (xx) | 1974-02-01 |
Family
ID=9100883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7223174A Expired FR2191797A5 (xx) | 1972-06-27 | 1972-06-27 |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS4959501A (xx) |
DE (1) | DE2332775A1 (xx) |
FR (1) | FR2191797A5 (xx) |
IT (1) | IT985784B (xx) |
NL (1) | NL7308931A (xx) |
ZA (1) | ZA734088B (xx) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0002998A1 (fr) * | 1977-12-23 | 1979-07-11 | International Business Machines Corporation | Procédé de compression de données relatives au signal vocal et dispositif mettant en oeuvre ledit procédé |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50151579A (xx) * | 1974-05-27 | 1975-12-05 |
-
1972
- 1972-06-27 FR FR7223174A patent/FR2191797A5/fr not_active Expired
-
1973
- 1973-06-15 ZA ZA734088A patent/ZA734088B/xx unknown
- 1973-06-26 IT IT51029/73A patent/IT985784B/it active
- 1973-06-27 JP JP48071817A patent/JPS4959501A/ja active Pending
- 1973-06-27 NL NL7308931A patent/NL7308931A/xx unknown
- 1973-06-27 DE DE2332775A patent/DE2332775A1/de active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0002998A1 (fr) * | 1977-12-23 | 1979-07-11 | International Business Machines Corporation | Procédé de compression de données relatives au signal vocal et dispositif mettant en oeuvre ledit procédé |
FR2412987A1 (fr) * | 1977-12-23 | 1979-07-20 | Ibm France | Procede de compression de donnees relatives au signal vocal et dispositif mettant en oeuvre ledit procede |
Also Published As
Publication number | Publication date |
---|---|
IT985784B (it) | 1974-12-20 |
JPS4959501A (xx) | 1974-06-10 |
ZA734088B (en) | 1974-05-29 |
NL7308931A (xx) | 1974-01-02 |
DE2332775A1 (de) | 1974-01-10 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |