NL7308931A - - Google Patents
Info
- Publication number
- NL7308931A NL7308931A NL7308931A NL7308931A NL7308931A NL 7308931 A NL7308931 A NL 7308931A NL 7308931 A NL7308931 A NL 7308931A NL 7308931 A NL7308931 A NL 7308931A NL 7308931 A NL7308931 A NL 7308931A
- Authority
- NL
- Netherlands
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7223174A FR2191797A5 (https=) | 1972-06-27 | 1972-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7308931A true NL7308931A (https=) | 1974-01-02 |
Family
ID=9100883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7308931A NL7308931A (https=) | 1972-06-27 | 1973-06-27 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4959501A (https=) |
| DE (1) | DE2332775A1 (https=) |
| FR (1) | FR2191797A5 (https=) |
| IT (1) | IT985784B (https=) |
| NL (1) | NL7308931A (https=) |
| ZA (1) | ZA734088B (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50151579A (https=) * | 1974-05-27 | 1975-12-05 | ||
| 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 |
-
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 DE DE2332775A patent/DE2332775A1/de active Pending
- 1973-06-27 JP JP48071817A patent/JPS4959501A/ja active Pending
- 1973-06-27 NL NL7308931A patent/NL7308931A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ZA734088B (en) | 1974-05-29 |
| FR2191797A5 (https=) | 1974-02-01 |
| JPS4959501A (https=) | 1974-06-10 |
| DE2332775A1 (de) | 1974-01-10 |
| IT985784B (it) | 1974-12-20 |