LU75906A1 - - Google Patents
Info
- Publication number
- LU75906A1 LU75906A1 LU75906A LU75906A LU75906A1 LU 75906 A1 LU75906 A1 LU 75906A1 LU 75906 A LU75906 A LU 75906A LU 75906 A LU75906 A LU 75906A LU 75906 A1 LU75906 A1 LU 75906A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/14—Arrangements providing for calling or supervisory signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/04—Frequency-transposition arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2543492A DE2543492C3 (de) | 1975-09-30 | 1975-09-30 | Trägerfrequenzsystem in Zweidraht-Getrenntlage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU75906A1 true LU75906A1 (xx) | 1977-05-11 |
Family
ID=5957788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU75906A LU75906A1 (xx) | 1975-09-30 | 1976-09-29 |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT356181B (xx) |
| AU (1) | AU503654B2 (xx) |
| BE (1) | BE846549A (xx) |
| CH (1) | CH610163A5 (xx) |
| DE (1) | DE2543492C3 (xx) |
| IT (1) | IT1076944B (xx) |
| LU (1) | LU75906A1 (xx) |
| NL (1) | NL7608600A (xx) |
| ZA (1) | ZA765273B (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2718232C3 (de) * | 1977-04-23 | 1981-03-19 | TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg | Trägerfrequenzsystem in Zweidraht-Getrenntlage |
| CA1159972A (en) * | 1980-05-15 | 1984-01-03 | Zdzistaw A. A. Krajewski | 2-wire frequency division multiplex system |
| DE4014132A1 (de) * | 1990-05-02 | 1991-11-14 | Fraunhofer Ges Forschung | Sprachuebertragungssystem |
-
1975
- 1975-09-30 DE DE2543492A patent/DE2543492C3/de not_active Expired
-
1976
- 1976-07-16 CH CH917076A patent/CH610163A5/xx not_active IP Right Cessation
- 1976-08-02 NL NL7608600A patent/NL7608600A/xx not_active Application Discontinuation
- 1976-08-26 IT IT26562/76A patent/IT1076944B/it active
- 1976-09-02 ZA ZA00765273A patent/ZA765273B/xx unknown
- 1976-09-17 AU AU17884/76A patent/AU503654B2/en not_active Expired
- 1976-09-24 BE BE170902A patent/BE846549A/xx not_active IP Right Cessation
- 1976-09-27 AT AT714576A patent/AT356181B/de active
- 1976-09-29 LU LU75906A patent/LU75906A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU1788476A (en) | 1978-03-23 |
| IT1076944B (it) | 1985-04-27 |
| AT356181B (de) | 1980-04-10 |
| CH610163A5 (en) | 1979-03-30 |
| NL7608600A (nl) | 1977-04-01 |
| AU503654B2 (en) | 1979-09-13 |
| DE2543492B2 (de) | 1977-09-22 |
| ATA714576A (de) | 1979-09-15 |
| BE846549A (fr) | 1977-01-17 |
| ZA765273B (en) | 1978-01-25 |
| DE2543492C3 (de) | 1980-09-25 |
| DE2543492A1 (de) | 1977-03-31 |