NL150978B - CIRCUIT FOR LOCATING LINE INTERRUPTIONS IN MESSAGE TRANSMISSION SYSTEMS. - Google Patents
CIRCUIT FOR LOCATING LINE INTERRUPTIONS IN MESSAGE TRANSMISSION SYSTEMS.Info
- Publication number
- NL150978B NL150978B NL6702537A NL6702537A NL150978B NL 150978 B NL150978 B NL 150978B NL 6702537 A NL6702537 A NL 6702537A NL 6702537 A NL6702537 A NL 6702537A NL 150978 B NL150978 B NL 150978B
- Authority
- NL
- Netherlands
- Prior art keywords
- circuit
- message transmission
- transmission systems
- locating line
- line interruptions
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
- H04M3/32—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges
-
- 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
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES0102359 | 1966-03-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL6702537A NL6702537A (en) | 1967-09-05 |
NL150978B true NL150978B (en) | 1976-09-15 |
Family
ID=7524381
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6702537A NL150978B (en) | 1966-03-04 | 1967-02-20 | CIRCUIT FOR LOCATING LINE INTERRUPTIONS IN MESSAGE TRANSMISSION SYSTEMS. |
Country Status (3)
Country | Link |
---|---|
GB (1) | GB1135716A (en) |
NL (1) | NL150978B (en) |
SE (1) | SE314712B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2852810C3 (en) * | 1978-12-06 | 1981-09-03 | Siemens AG, 1000 Berlin und 8000 München | Circuit arrangement for closing the remote feed loop for series-fed repeater stations |
CN114252752B (en) * | 2021-12-22 | 2022-12-16 | 清华大学 | Fault diagnosis method for power tube in full-control bridge topology circuit |
-
1967
- 1967-02-20 NL NL6702537A patent/NL150978B/en not_active IP Right Cessation
- 1967-03-03 GB GB1011667A patent/GB1135716A/en not_active Expired
- 1967-03-03 SE SE293267A patent/SE314712B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL6702537A (en) | 1967-09-05 |
GB1135716A (en) | 1968-12-04 |
SE314712B (en) | 1969-09-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee | ||
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: SIEMENS |