CH610163A5 - Method for transmitting audio-frequency channels with a carrier frequency system in two-wire grouped frequency mode - Google Patents
Method for transmitting audio-frequency channels with a carrier frequency system in two-wire grouped frequency modeInfo
- Publication number
- CH610163A5 CH610163A5 CH917076A CH917076A CH610163A5 CH 610163 A5 CH610163 A5 CH 610163A5 CH 917076 A CH917076 A CH 917076A CH 917076 A CH917076 A CH 917076A CH 610163 A5 CH610163 A5 CH 610163A5
- Authority
- CH
- Switzerland
- Prior art keywords
- frequency
- transmitting audio
- mode
- channels
- wire
- Prior art date
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 (en) | 1975-09-30 | 1975-09-30 | Carrier frequency system in two-wire separation |
Publications (1)
Publication Number | Publication Date |
---|---|
CH610163A5 true CH610163A5 (en) | 1979-03-30 |
Family
ID=5957788
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH917076A CH610163A5 (en) | 1975-09-30 | 1976-07-16 | Method for transmitting audio-frequency channels with a carrier frequency system in two-wire grouped frequency mode |
Country Status (9)
Country | Link |
---|---|
AT (1) | AT356181B (en) |
AU (1) | AU503654B2 (en) |
BE (1) | BE846549A (en) |
CH (1) | CH610163A5 (en) |
DE (1) | DE2543492C3 (en) |
IT (1) | IT1076944B (en) |
LU (1) | LU75906A1 (en) |
NL (1) | NL7608600A (en) |
ZA (1) | ZA765273B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2718232C3 (en) * | 1977-04-23 | 1981-03-19 | TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg | Carrier frequency system in two-wire separation |
CA1159972A (en) * | 1980-05-15 | 1984-01-03 | Zdzistaw A. A. Krajewski | 2-wire frequency division multiplex system |
DE4014132A1 (en) * | 1990-05-02 | 1991-11-14 | Fraunhofer Ges Forschung | VOICE TRANSFER SYSTEM |
-
1975
- 1975-09-30 DE DE2543492A patent/DE2543492C3/en not_active Expired
-
1976
- 1976-07-16 CH CH917076A patent/CH610163A5/en not_active IP Right Cessation
- 1976-08-02 NL NL7608600A patent/NL7608600A/en not_active Application Discontinuation
- 1976-08-26 IT IT26562/76A patent/IT1076944B/en active
- 1976-09-02 ZA ZA00765273A patent/ZA765273B/en unknown
- 1976-09-17 AU AU17884/76A patent/AU503654B2/en not_active Expired
- 1976-09-24 BE BE170902A patent/BE846549A/en not_active IP Right Cessation
- 1976-09-27 AT AT714576A patent/AT356181B/en active
- 1976-09-29 LU LU75906A patent/LU75906A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
AT356181B (en) | 1980-04-10 |
DE2543492A1 (en) | 1977-03-31 |
ZA765273B (en) | 1978-01-25 |
AU1788476A (en) | 1978-03-23 |
AU503654B2 (en) | 1979-09-13 |
IT1076944B (en) | 1985-04-27 |
DE2543492B2 (en) | 1977-09-22 |
NL7608600A (en) | 1977-04-01 |
ATA714576A (en) | 1979-09-15 |
LU75906A1 (en) | 1977-05-11 |
BE846549A (en) | 1977-01-17 |
DE2543492C3 (en) | 1980-09-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |