DE2215836A1 - - Google Patents
Info
- Publication number
- DE2215836A1 DE2215836A1 DE19722215836 DE2215836A DE2215836A1 DE 2215836 A1 DE2215836 A1 DE 2215836A1 DE 19722215836 DE19722215836 DE 19722215836 DE 2215836 A DE2215836 A DE 2215836A DE 2215836 A1 DE2215836 A1 DE 2215836A1
- Authority
- DE
- Germany
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
- H04B17/401—Monitoring; Testing of relay systems with selective localization
- H04B17/402—Monitoring; Testing of relay systems with selective localization using different frequencies
- H04B17/404—Monitoring; Testing of relay systems with selective localization using different frequencies selected by local filters
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Dc Digital Transmission (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Time-Division Multiplex Systems (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
Priority Applications (15)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1967S0110993 DE1298553B (de) | 1967-07-25 | 1967-07-25 | Verfahren und Einrichtung zur Ermittlung von Fehlern in mit Regeneratoren versehenen Zwischenstellen eines mit Pulscodemodulation arbeitenden UEbertragungssystems |
| DE1967S0111920 DE1302002B (de) | 1967-09-21 | 1967-09-21 | Einrichtung zur Ermittlung von Fehlern in mit Regeneratoren versehenen Zwischenstellen eines mit Pulsmodulation arbeitenden UEbertragungssystems |
| DE1967S0111921 DE1302034B (de) | 1967-09-21 | 1967-09-21 | Einrichtung zur Ermittlung von Fehlern in mit Regeneratoren versehenen Zwischenstellen eines mit Pulscodemodulation arbeitenden UEbertragungssystems |
| DE19722215836 DE2215836C (de) | 1972-03-30 | Verfahren und Einrichtung zur Er mittlung von Fehlern in mit Regenera toren versehenen Zwischenstellen eines mit Pulscodemodulation arbeitenden Ubertragungssystems | |
| AT241873A AT334422B (de) | 1972-03-30 | 1973-03-19 | Einrichtung zur ermittlung von fehlern in den mit regeneratoren versehenen zwischenstellen eines mit pulscodemodulation arbeitenden zeitmultiplex-ubertragungssystems |
| GB1304473A GB1394793A (en) | 1972-03-30 | 1973-03-19 | Fault detecting arrangements in pcm telecommunication systems |
| AU53600/73A AU452876B2 (en) | 1972-03-30 | 1973-03-21 | Improvements in or relating to fault detection arrangements in pcm telecommunication systems |
| IL41861A IL41861A (en) | 1972-03-30 | 1973-03-23 | Arrangements for detecting faults in telecommunication system |
| CH432773A CH588192A5 (OSRAM) | 1972-03-30 | 1973-03-26 | |
| IT7322172A IT1045340B (it) | 1972-03-30 | 1973-03-27 | Impianto per la rilevazione dei guanti nelle stazioni intermedie dotate di rigeneratori di un sistema di trasmissione che lavora con modulazione a acodice di impulsi |
| FR7311357A FR2178187B2 (OSRAM) | 1972-03-30 | 1973-03-29 | |
| NL7304522A NL7304522A (OSRAM) | 1967-09-21 | 1973-03-30 | |
| BE129509A BE797606R (fr) | 1972-03-30 | 1973-03-30 | Procede pour constater des defauts dans des postes intermediaires, pouvus de regenerateurs, d'un reseau de transmission fonctionnant en modulation par impulsion codees |
| JP48036554A JPS499911A (OSRAM) | 1972-03-30 | 1973-03-30 | |
| JP14142077A JPS5366314A (en) | 1972-03-30 | 1977-11-25 | Device for detecting trouble in repeater having transmission regenerative repeater operated by pcm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722215836 DE2215836C (de) | 1972-03-30 | Verfahren und Einrichtung zur Er mittlung von Fehlern in mit Regenera toren versehenen Zwischenstellen eines mit Pulscodemodulation arbeitenden Ubertragungssystems |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2215836A1 true DE2215836A1 (OSRAM) | 1972-12-07 |
| DE2215836B2 DE2215836B2 (de) | 1972-12-07 |
| DE2215836C DE2215836C (de) | 1973-06-28 |
Family
ID=
Also Published As
| Publication number | Publication date |
|---|---|
| JPS499911A (OSRAM) | 1974-01-29 |
| IL41861A0 (en) | 1973-05-31 |
| AU452876B2 (en) | 1974-09-19 |
| ATA241873A (de) | 1976-05-15 |
| FR2178187A2 (OSRAM) | 1973-11-09 |
| AT334422B (de) | 1976-01-10 |
| AU5360073A (en) | 1974-09-19 |
| JPS5722497B2 (OSRAM) | 1982-05-13 |
| DE2215836B2 (de) | 1972-12-07 |
| IL41861A (en) | 1975-10-15 |
| CH588192A5 (OSRAM) | 1977-05-31 |
| BE797606R (fr) | 1973-10-01 |
| FR2178187B2 (OSRAM) | 1977-09-02 |
| JPS5366314A (en) | 1978-06-13 |
| GB1394793A (en) | 1975-05-21 |
| IT1045340B (it) | 1980-05-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 |