FR2252708A1 - - Google Patents
Info
- Publication number
- FR2252708A1 FR2252708A1 FR7437751A FR7437751A FR2252708A1 FR 2252708 A1 FR2252708 A1 FR 2252708A1 FR 7437751 A FR7437751 A FR 7437751A FR 7437751 A FR7437751 A FR 7437751A FR 2252708 A1 FR2252708 A1 FR 2252708A1
- Authority
- FR
- France
- 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
- 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
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Dc Digital Transmission (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2358272A DE2358272C2 (en) | 1973-11-22 | 1973-11-22 | Device for determining errors in a message transmission system for pulse code modulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2252708A1 true FR2252708A1 (en) | 1975-06-20 |
| FR2252708B1 FR2252708B1 (en) | 1978-11-24 |
Family
ID=5898801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7437751A Expired FR2252708B1 (en) | 1973-11-22 | 1974-11-15 |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5411209B2 (en) |
| AT (1) | AT341586B (en) |
| BE (1) | BE822452A (en) |
| DE (1) | DE2358272C2 (en) |
| FR (1) | FR2252708B1 (en) |
| GB (1) | GB1490713A (en) |
| IT (1) | IT1025852B (en) |
| NL (1) | NL165625C (en) |
| SE (1) | SE393237B (en) |
| YU (1) | YU36567B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2856679C3 (en) * | 1978-12-29 | 1982-02-11 | Siemens AG, 1000 Berlin und 8000 München | Circuit arrangement for determining and locating errors in a transmission system for pulse code modulated signals |
| DE3003516A1 (en) * | 1980-01-31 | 1981-08-06 | Siemens AG, 1000 Berlin und 8000 München | CIRCUIT ARRANGEMENT FOR FORMING A LOOP IN AN INTERMEDIATE REGENERATOR OF A PCM SYSTEM |
-
1973
- 1973-11-22 DE DE2358272A patent/DE2358272C2/en not_active Expired
-
1974
- 1974-10-14 GB GB44364/74A patent/GB1490713A/en not_active Expired
- 1974-11-15 FR FR7437751A patent/FR2252708B1/fr not_active Expired
- 1974-11-20 IT IT29632/74A patent/IT1025852B/en active
- 1974-11-20 AT AT929474A patent/AT341586B/en not_active IP Right Cessation
- 1974-11-21 SE SE7414645A patent/SE393237B/en unknown
- 1974-11-21 BE BE150726A patent/BE822452A/en unknown
- 1974-11-22 JP JP13506374A patent/JPS5411209B2/ja not_active Expired
- 1974-11-22 YU YU03120/74A patent/YU36567B/en unknown
- 1974-11-22 NL NL7415246.A patent/NL165625C/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE7414645L (en) | 1975-05-23 |
| NL165625B (en) | 1980-11-17 |
| BE822452A (en) | 1975-03-14 |
| DE2358272C2 (en) | 1975-12-11 |
| AU7553774A (en) | 1976-05-20 |
| AT341586B (en) | 1978-02-10 |
| IT1025852B (en) | 1978-08-30 |
| FR2252708B1 (en) | 1978-11-24 |
| NL165625C (en) | 1981-04-15 |
| GB1490713A (en) | 1977-11-02 |
| JPS5411209B2 (en) | 1979-05-12 |
| ATA929474A (en) | 1977-06-15 |
| YU36567B (en) | 1984-02-29 |
| JPS5085210A (en) | 1975-07-09 |
| SE393237B (en) | 1977-05-02 |
| YU312074A (en) | 1982-02-25 |
| NL7415246A (en) | 1975-05-26 |
| DE2358272B1 (en) | 1975-04-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |