SE376524B - - Google Patents
Info
- Publication number
- SE376524B SE376524B SE500272A SE500272A SE376524B SE 376524 B SE376524 B SE 376524B SE 500272 A SE500272 A SE 500272A SE 500272 A SE500272 A SE 500272A SE 376524 B SE376524 B SE 376524B
- Authority
- SE
- Sweden
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)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7105347A NL7105347A (en:Method) | 1971-04-21 | 1971-04-21 | |
| NL7116767A NL7116767A (en:Method) | 1971-12-07 | 1971-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE376524B true SE376524B (en:Method) | 1975-05-26 |
Family
ID=26644651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE500272A SE376524B (en:Method) | 1971-04-21 | 1972-04-18 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5246446B1 (en:Method) |
| BE (1) | BE782338A (en:Method) |
| CA (1) | CA975430A (en:Method) |
| CH (1) | CH549314A (en:Method) |
| DE (1) | DE2217753A1 (en:Method) |
| GB (1) | GB1383699A (en:Method) |
| IT (1) | IT953663B (en:Method) |
| SE (1) | SE376524B (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE7900490L (sv) | 1979-01-19 | 1980-07-20 | Asea Ab | Vexelriktarkoppling |
-
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 SE SE500272A patent/SE376524B/xx unknown
- 1972-04-18 GB GB1786172A patent/GB1383699A/en not_active Expired
- 1972-04-18 IT IT2331172A patent/IT953663B/it active
- 1972-04-19 JP JP47039515A patent/JPS5246446B1/ja active Pending
- 1972-04-19 BE BE782338A patent/BE782338A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA975430A (en) | 1975-09-30 |
| DE2217753A1 (de) | 1972-11-09 |
| IT953663B (it) | 1973-08-10 |
| GB1383699A (en) | 1974-02-12 |
| CH549314A (de) | 1974-05-15 |
| BE782338A (fr) | 1972-10-19 |
| JPS5246446B1 (en:Method) | 1977-11-25 |