CH377884A - Monitoring device in a communication system - Google Patents
Monitoring device in a communication systemInfo
- Publication number
- CH377884A CH377884A CH549060A CH549060A CH377884A CH 377884 A CH377884 A CH 377884A CH 549060 A CH549060 A CH 549060A CH 549060 A CH549060 A CH 549060A CH 377884 A CH377884 A CH 377884A
- Authority
- CH
- Switzerland
- Prior art keywords
- communication system
- monitoring device
- monitoring
- communication
- Prior art date
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)
- Monitoring And Testing Of Transmission In General (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH549060A CH377884A (en) | 1960-05-13 | 1960-05-13 | Monitoring device in a communication system |
DEA35019A DE1118268B (en) | 1960-05-13 | 1960-06-30 | Monitoring device in message transmission systems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH549060A CH377884A (en) | 1960-05-13 | 1960-05-13 | Monitoring device in a communication system |
Publications (1)
Publication Number | Publication Date |
---|---|
CH377884A true CH377884A (en) | 1964-05-31 |
Family
ID=4294453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH549060A CH377884A (en) | 1960-05-13 | 1960-05-13 | Monitoring device in a communication system |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH377884A (en) |
DE (1) | DE1118268B (en) |
-
1960
- 1960-05-13 CH CH549060A patent/CH377884A/en unknown
- 1960-06-30 DE DEA35019A patent/DE1118268B/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE1118268B (en) | 1961-11-30 |
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