AT371644B - Traegerfrequenzsystem - Google Patents
TraegerfrequenzsystemInfo
- Publication number
- AT371644B AT371644B AT0283278A AT283278A AT371644B AT 371644 B AT371644 B AT 371644B AT 0283278 A AT0283278 A AT 0283278A AT 283278 A AT283278 A AT 283278A AT 371644 B AT371644 B AT 371644B
- Authority
- AT
- Austria
- Prior art keywords
- carrier frequency
- frequency system
- carrier
- frequency
- Prior art date
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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/08—Arrangements for combining channels
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Near-Field Transmission Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2718232A DE2718232C3 (de) | 1977-04-23 | 1977-04-23 | Trägerfrequenzsystem in Zweidraht-Getrenntlage |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA283278A ATA283278A (de) | 1982-11-15 |
AT371644B true AT371644B (de) | 1983-07-11 |
Family
ID=6007147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT0283278A AT371644B (de) | 1977-04-23 | 1978-04-20 | Traegerfrequenzsystem |
Country Status (9)
Country | Link |
---|---|
AT (1) | AT371644B (xx) |
BE (1) | BE866217A (xx) |
DE (1) | DE2718232C3 (xx) |
FR (1) | FR2388444A1 (xx) |
GB (1) | GB1580279A (xx) |
IE (1) | IE46625B1 (xx) |
IT (1) | IT1094720B (xx) |
SE (1) | SE431278B (xx) |
YU (1) | YU95578A (xx) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE474321A (xx) * | 1940-03-29 | |||
DE955608C (de) * | 1943-02-12 | 1957-01-03 | Telefunken Gmbh | Traegerfrequenzuebertragungssystem |
DE1256709B (de) * | 1964-08-17 | 1967-12-21 | Standard Elektrik Lorenz Ag | Verfahren zur Frequenzstabilisierung der Traeger durch Mituebertragen einer Steuerfrequenz in Traegerfrequenzsystemen |
DE2543492C3 (de) * | 1975-09-30 | 1980-09-25 | Te Ka De Felten & Guilleaume Fernmeldeanlagen Gmbh, 8500 Nuernberg | Trägerfrequenzsystem in Zweidraht-Getrenntlage |
-
1977
- 1977-04-23 DE DE2718232A patent/DE2718232C3/de not_active Expired
-
1978
- 1978-04-18 FR FR7812601A patent/FR2388444A1/fr active Granted
- 1978-04-20 IT IT22515/78A patent/IT1094720B/it active
- 1978-04-20 AT AT0283278A patent/AT371644B/de not_active IP Right Cessation
- 1978-04-20 BE BE6046438A patent/BE866217A/xx not_active IP Right Cessation
- 1978-04-21 SE SE7804597A patent/SE431278B/sv unknown
- 1978-04-21 YU YU00955/78A patent/YU95578A/xx unknown
- 1978-04-21 GB GB15841/78A patent/GB1580279A/en not_active Expired
- 1978-04-21 IE IE795/78A patent/IE46625B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
ATA283278A (de) | 1982-11-15 |
SE431278B (sv) | 1984-01-23 |
IT1094720B (it) | 1985-08-02 |
SE7804597L (sv) | 1978-10-24 |
FR2388444A1 (fr) | 1978-11-17 |
FR2388444B1 (xx) | 1984-02-17 |
BE866217A (fr) | 1978-08-14 |
GB1580279A (en) | 1980-12-03 |
IE46625B1 (en) | 1983-08-10 |
DE2718232C3 (de) | 1981-03-19 |
IT7822515A0 (it) | 1978-04-20 |
YU95578A (en) | 1982-06-30 |
DE2718232B2 (de) | 1980-07-03 |
IE780795L (en) | 1978-10-23 |
DE2718232A1 (de) | 1978-10-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee | ||
ELJ | Ceased due to non-payment of the annual fee |