IE44301B1 - Improvements in or relating to digital signal transmission systems - Google Patents
Improvements in or relating to digital signal transmission systemsInfo
- Publication number
- IE44301B1 IE44301B1 IE2432/76A IE243276A IE44301B1 IE 44301 B1 IE44301 B1 IE 44301B1 IE 2432/76 A IE2432/76 A IE 2432/76A IE 243276 A IE243276 A IE 243276A IE 44301 B1 IE44301 B1 IE 44301B1
- Authority
- IE
- Ireland
- Prior art keywords
- transmission
- substitute
- pulse
- additional information
- pulses
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/14—Monitoring arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752556079 DE2556079C2 (de) | 1975-12-12 | 1975-12-12 | Verfahren zur Überwachung einzelner Übertragungsabschnitte fur digitale Signale und Anordnung zur Durchführung des Verfahrens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE44301L IE44301L (en) | 1977-06-12 |
| IE44301B1 true IE44301B1 (en) | 1981-10-07 |
Family
ID=5964243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE2432/76A IE44301B1 (en) | 1975-12-12 | 1976-11-01 | Improvements in or relating to digital signal transmission systems |
Country Status (12)
| Country | Link |
|---|---|
| AT (1) | AT360089B (Direct) |
| BE (1) | BE849289A (Direct) |
| CH (1) | CH597725A5 (Direct) |
| DE (1) | DE2556079C2 (Direct) |
| DK (1) | DK557376A (Direct) |
| FR (1) | FR2335108A1 (Direct) |
| GB (1) | GB1510047A (Direct) |
| IE (1) | IE44301B1 (Direct) |
| IT (1) | IT1065202B (Direct) |
| LU (1) | LU75776A1 (Direct) |
| NL (1) | NL172610C (Direct) |
| SE (1) | SE410690B (Direct) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2473820A1 (fr) * | 1980-01-11 | 1981-07-17 | Telecommunications Sa | Procede et systeme d'initialisation de la securisation d'une ligne d'une artere de transmission numerique |
| IT1212437B (it) * | 1980-06-30 | 1989-11-22 | Sits Soc It Telecom Siemens | Circuito di trasmissione per sistemi pcm. |
| US5212475A (en) * | 1988-05-18 | 1993-05-18 | Siemens Aktiengesellschaft | Method for generating an alarm inhibit signal |
| US4964112A (en) * | 1988-06-01 | 1990-10-16 | Siemens Aktiengesellschaft | Method for monitoring the quality of a digital signal in sections of a data transmission circuit |
-
1975
- 1975-12-12 DE DE19752556079 patent/DE2556079C2/de not_active Expired
-
1976
- 1976-09-10 LU LU75776A patent/LU75776A1/xx unknown
- 1976-09-14 CH CH1159876A patent/CH597725A5/xx not_active IP Right Cessation
- 1976-10-26 GB GB44341/76A patent/GB1510047A/en not_active Expired
- 1976-11-01 IE IE2432/76A patent/IE44301B1/en unknown
- 1976-11-12 SE SE7612654A patent/SE410690B/xx unknown
- 1976-11-15 AT AT847476A patent/AT360089B/de not_active IP Right Cessation
- 1976-12-10 BE BE173159A patent/BE849289A/xx not_active IP Right Cessation
- 1976-12-10 IT IT30256/76A patent/IT1065202B/it active
- 1976-12-10 FR FR7637280A patent/FR2335108A1/fr active Granted
- 1976-12-10 DK DK557376A patent/DK557376A/da unknown
- 1976-12-13 NL NLAANVRAGE7613848,A patent/NL172610C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1510047A (en) | 1978-05-10 |
| DE2556079B1 (de) | 1977-03-17 |
| FR2335108A1 (fr) | 1977-07-08 |
| IE44301L (en) | 1977-06-12 |
| IT1065202B (it) | 1985-02-25 |
| BE849289A (fr) | 1977-04-01 |
| DK557376A (da) | 1977-06-13 |
| FR2335108B1 (Direct) | 1981-05-29 |
| SE410690B (sv) | 1979-10-22 |
| NL7613848A (nl) | 1977-06-14 |
| NL172610B (nl) | 1983-04-18 |
| NL172610C (nl) | 1983-09-16 |
| SE7612654L (sv) | 1977-06-13 |
| CH597725A5 (Direct) | 1978-04-14 |
| AT360089B (de) | 1980-12-29 |
| ATA847476A (de) | 1980-05-15 |
| LU75776A1 (Direct) | 1977-04-28 |
| DE2556079C2 (de) | 1977-10-27 |
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