JPS552107B2 - - Google Patents
Info
- Publication number
- JPS552107B2 JPS552107B2 JP1119075A JP1119075A JPS552107B2 JP S552107 B2 JPS552107 B2 JP S552107B2 JP 1119075 A JP1119075 A JP 1119075A JP 1119075 A JP1119075 A JP 1119075A JP S552107 B2 JPS552107 B2 JP S552107B2
- Authority
- JP
- Japan
- 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.)
- Expired
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)
- Time-Division Multiplex Systems (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742404663 DE2404663C2 (de) | 1974-01-31 | Einrichtung zur Ermittlung von Fehlern in mit Regeneratoren versehenen Zwischenstellen eines mit Pulscodemodulation arbeitenden Übertragunssystems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50110214A JPS50110214A (en:Method) | 1975-08-30 |
| JPS552107B2 true JPS552107B2 (en:Method) | 1980-01-18 |
Family
ID=5906215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1119075A Expired JPS552107B2 (en:Method) | 1974-01-31 | 1975-01-27 |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS552107B2 (en:Method) |
| AT (1) | AT367550B (en:Method) |
| BE (1) | BE825049A (en:Method) |
| BR (1) | BR7500599A (en:Method) |
| FR (1) | FR2260233B1 (en:Method) |
| GB (1) | GB1485877A (en:Method) |
| IL (1) | IL46404A (en:Method) |
| IN (1) | IN143373B (en:Method) |
| IT (1) | IT1031204B (en:Method) |
| NL (1) | NL169130C (en:Method) |
| SE (1) | SE393722B (en:Method) |
| YU (1) | YU36569B (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2478910A1 (fr) * | 1980-03-18 | 1981-09-25 | Trt Telecom Radio Electr | Systeme de telelocalisation de repeteurs |
-
1974
- 1974-12-18 GB GB54804/74A patent/GB1485877A/en not_active Expired
-
1975
- 1975-01-07 IL IL46404A patent/IL46404A/en unknown
- 1975-01-20 AT AT0036875A patent/AT367550B/de not_active IP Right Cessation
- 1975-01-27 JP JP1119075A patent/JPS552107B2/ja not_active Expired
- 1975-01-28 FR FR7502551A patent/FR2260233B1/fr not_active Expired
- 1975-01-28 IT IT19653/75A patent/IT1031204B/it active
- 1975-01-29 NL NLAANVRAGE7501070,A patent/NL169130C/xx not_active IP Right Cessation
- 1975-01-30 BR BR599/75A patent/BR7500599A/pt unknown
- 1975-01-30 SE SE7501014A patent/SE393722B/xx unknown
- 1975-01-31 BE BE152937A patent/BE825049A/xx not_active IP Right Cessation
- 1975-01-31 YU YU00228/75A patent/YU36569B/xx unknown
- 1975-04-29 IN IN868/CAL/75A patent/IN143373B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL7501070A (nl) | 1975-08-04 |
| YU22875A (en) | 1982-02-25 |
| FR2260233A1 (en:Method) | 1975-08-29 |
| NL169130B (nl) | 1982-01-04 |
| DE2404663A1 (en:Method) | 1975-07-31 |
| FR2260233B1 (en:Method) | 1977-04-15 |
| BR7500599A (pt) | 1975-11-11 |
| ATA36875A (de) | 1981-11-15 |
| IT1031204B (it) | 1979-04-30 |
| NL169130C (nl) | 1982-06-01 |
| DE2404663B1 (de) | 1975-07-31 |
| YU36569B (en) | 1984-02-29 |
| SE7501014L (en:Method) | 1975-08-01 |
| IL46404A0 (en) | 1975-04-25 |
| GB1485877A (en) | 1977-09-14 |
| IL46404A (en) | 1977-03-31 |
| AT367550B (de) | 1982-07-12 |
| AU7714575A (en) | 1976-07-08 |
| BE825049A (fr) | 1975-05-15 |
| JPS50110214A (en:Method) | 1975-08-30 |
| SE393722B (sv) | 1977-05-16 |
| IN143373B (en:Method) | 1977-11-12 |