JPS5227007B2 - - Google Patents
Info
- Publication number
- JPS5227007B2 JPS5227007B2 JP4747274A JP4747274A JPS5227007B2 JP S5227007 B2 JPS5227007 B2 JP S5227007B2 JP 4747274 A JP4747274 A JP 4747274A JP 4747274 A JP4747274 A JP 4747274A JP S5227007 B2 JPS5227007 B2 JP S5227007B2
- 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
- H04B17/407—Monitoring; Testing of relay systems without selective localization
- H04B17/409—Monitoring; Testing of relay systems without selective localization by means of resistance, voltage or current measurement
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Locating Faults (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732321840 DE2321840C2 (de) | 1973-04-30 | 1973-04-30 | Schaltungsanordnung zur Fehlererkennung auf ferngespeisten Kabelstrecken zur Nachrichtenübertragung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5031711A JPS5031711A (de) | 1975-03-28 |
| JPS5227007B2 true JPS5227007B2 (de) | 1977-07-18 |
Family
ID=5879705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4747274A Expired JPS5227007B2 (de) | 1973-04-30 | 1974-04-26 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5227007B2 (de) |
| CH (1) | CH576731A5 (de) |
| DE (1) | DE2321840C2 (de) |
| IT (1) | IT1010197B (de) |
| NL (1) | NL7405786A (de) |
-
1973
- 1973-04-30 DE DE19732321840 patent/DE2321840C2/de not_active Expired
-
1974
- 1974-04-26 JP JP4747274A patent/JPS5227007B2/ja not_active Expired
- 1974-04-29 NL NL7405786A patent/NL7405786A/xx unknown
- 1974-04-29 IT IT2203274A patent/IT1010197B/it active
- 1974-04-29 CH CH582774A patent/CH576731A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5031711A (de) | 1975-03-28 |
| DE2321840B1 (de) | 1974-11-07 |
| IT1010197B (it) | 1977-01-10 |
| NL7405786A (de) | 1974-11-01 |
| DE2321840C2 (de) | 1975-07-03 |
| CH576731A5 (de) | 1976-06-15 |