BE782338A - Systeme de transmission de signaux entre deux stations terminales par l'intermediaire d'une ligne de transmission renfermantdes repeteurs - Google Patents
Systeme de transmission de signaux entre deux stations terminales par l'intermediaire d'une ligne de transmission renfermantdes repeteursInfo
- Publication number
- BE782338A BE782338A BE782338A BE782338A BE782338A BE 782338 A BE782338 A BE 782338A BE 782338 A BE782338 A BE 782338A BE 782338 A BE782338 A BE 782338A BE 782338 A BE782338 A BE 782338A
- Authority
- BE
- Belgium
- Prior art keywords
- terminal stations
- line containing
- stations via
- transmission line
- signal transmission
- 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
- H04B17/403—Monitoring; Testing of relay systems with selective localization using different frequencies generated by local oscillators
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7105347A NL7105347A (fr) | 1971-04-21 | 1971-04-21 | |
NL7116767A NL7116767A (fr) | 1971-12-07 | 1971-12-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE782338A true BE782338A (fr) | 1972-10-19 |
Family
ID=26644651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE782338A BE782338A (fr) | 1971-04-21 | 1972-04-19 | Systeme de transmission de signaux entre deux stations terminales par l'intermediaire d'une ligne de transmission renfermantdes repeteurs |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5246446B1 (fr) |
BE (1) | BE782338A (fr) |
CA (1) | CA975430A (fr) |
CH (1) | CH549314A (fr) |
DE (1) | DE2217753A1 (fr) |
GB (1) | GB1383699A (fr) |
IT (1) | IT953663B (fr) |
SE (1) | SE376524B (fr) |
-
1972
- 1972-04-13 DE DE19722217753 patent/DE2217753A1/de active Pending
- 1972-04-17 CA CA139,785A patent/CA975430A/en not_active Expired
- 1972-04-18 CH CH570172A patent/CH549314A/xx not_active IP Right Cessation
- 1972-04-18 GB GB1786172A patent/GB1383699A/en not_active Expired
- 1972-04-18 SE SE500272A patent/SE376524B/xx unknown
- 1972-04-18 IT IT2331172A patent/IT953663B/it active
- 1972-04-19 BE BE782338A patent/BE782338A/fr unknown
- 1972-04-19 JP JP3951572A patent/JPS5246446B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA975430A (en) | 1975-09-30 |
DE2217753A1 (de) | 1972-11-09 |
IT953663B (it) | 1973-08-10 |
SE376524B (fr) | 1975-05-26 |
CH549314A (de) | 1974-05-15 |
JPS5246446B1 (fr) | 1977-11-25 |
GB1383699A (en) | 1974-02-12 |
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