BR7803522A - SYSTEM FOR TRANSMISSION OF A SERVICE CHANNEL - Google Patents
SYSTEM FOR TRANSMISSION OF A SERVICE CHANNELInfo
- Publication number
- BR7803522A BR7803522A BR787803522A BR7803522A BR7803522A BR 7803522 A BR7803522 A BR 7803522A BR 787803522 A BR787803522 A BR 787803522A BR 7803522 A BR7803522 A BR 7803522A BR 7803522 A BR7803522 A BR 7803522A
- Authority
- BR
- Brazil
- Prior art keywords
- transmission
- service channel
- service
- channel
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
- H04B17/0087—Monitoring; Testing using service channels; using auxiliary channels using auxiliary channels or channel simulators
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Dc Digital Transmission (AREA)
- Amplifiers (AREA)
- Radio Relay Systems (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2725063A DE2725063C2 (en) | 1977-06-03 | 1977-06-03 | System for the transmission of a service channel |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7803522A true BR7803522A (en) | 1979-02-13 |
Family
ID=6010611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR787803522A BR7803522A (en) | 1977-06-03 | 1978-06-01 | SYSTEM FOR TRANSMISSION OF A SERVICE CHANNEL |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS543405A (en) |
BR (1) | BR7803522A (en) |
CA (1) | CA1101074A (en) |
CH (1) | CH630761A5 (en) |
DE (1) | DE2725063C2 (en) |
FR (1) | FR2393478A1 (en) |
GB (1) | GB1603159A (en) |
NL (1) | NL189106C (en) |
SE (1) | SE442695B (en) |
YU (1) | YU128778A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2948077C2 (en) * | 1979-11-29 | 1984-02-02 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Active hybrid circuit for telephone lines |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49100914A (en) * | 1973-01-12 | 1974-09-24 |
-
1977
- 1977-06-03 DE DE2725063A patent/DE2725063C2/en not_active Expired
-
1978
- 1978-05-26 GB GB22929/78A patent/GB1603159A/en not_active Expired
- 1978-05-30 YU YU01287/78A patent/YU128778A/en unknown
- 1978-06-01 NL NLAANVRAGE7805980,A patent/NL189106C/en not_active IP Right Cessation
- 1978-06-01 JP JP6629278A patent/JPS543405A/en active Pending
- 1978-06-01 SE SE7806456A patent/SE442695B/en not_active IP Right Cessation
- 1978-06-01 BR BR787803522A patent/BR7803522A/en unknown
- 1978-06-01 CH CH601978A patent/CH630761A5/en not_active IP Right Cessation
- 1978-06-02 CA CA304,671A patent/CA1101074A/en not_active Expired
- 1978-06-02 FR FR7816612A patent/FR2393478A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2393478A1 (en) | 1978-12-29 |
DE2725063C2 (en) | 1983-01-13 |
YU128778A (en) | 1982-06-30 |
SE7806456L (en) | 1978-12-04 |
JPS543405A (en) | 1979-01-11 |
CA1101074A (en) | 1981-05-12 |
NL189106C (en) | 1993-01-04 |
NL189106B (en) | 1992-08-03 |
CH630761A5 (en) | 1982-06-30 |
DE2725063A1 (en) | 1978-12-07 |
NL7805980A (en) | 1978-12-05 |
GB1603159A (en) | 1981-11-18 |
FR2393478B1 (en) | 1983-07-22 |
SE442695B (en) | 1986-01-20 |
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