JPS5246446B1 - - Google Patents
Info
- Publication number
- JPS5246446B1 JPS5246446B1 JP3951572A JP3951572A JPS5246446B1 JP S5246446 B1 JPS5246446 B1 JP S5246446B1 JP 3951572 A JP3951572 A JP 3951572A JP 3951572 A JP3951572 A JP 3951572A JP S5246446 B1 JPS5246446 B1 JP S5246446B1
- 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.)
- Pending
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 (en) | 1971-04-21 | 1971-04-21 | |
| NL7116767A NL7116767A (en) | 1971-12-07 | 1971-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5246446B1 true JPS5246446B1 (en) | 1977-11-25 |
Family
ID=26644651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3951572A Pending JPS5246446B1 (en) | 1971-04-21 | 1972-04-19 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5246446B1 (en) |
| BE (1) | BE782338A (en) |
| CA (1) | CA975430A (en) |
| CH (1) | CH549314A (en) |
| DE (1) | DE2217753A1 (en) |
| GB (1) | GB1383699A (en) |
| IT (1) | IT953663B (en) |
| SE (1) | SE376524B (en) |
-
1972
- 1972-04-13 DE DE19722217753 patent/DE2217753A1/en active Pending
- 1972-04-17 CA CA139,785A patent/CA975430A/en not_active Expired
- 1972-04-18 GB GB1786172A patent/GB1383699A/en not_active Expired
- 1972-04-18 IT IT2331172A patent/IT953663B/en active
- 1972-04-18 CH CH570172A patent/CH549314A/en not_active IP Right Cessation
- 1972-04-18 SE SE500272A patent/SE376524B/xx unknown
- 1972-04-19 BE BE782338A patent/BE782338A/en unknown
- 1972-04-19 JP JP3951572A patent/JPS5246446B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1383699A (en) | 1974-02-12 |
| SE376524B (en) | 1975-05-26 |
| CA975430A (en) | 1975-09-30 |
| CH549314A (en) | 1974-05-15 |
| DE2217753A1 (en) | 1972-11-09 |
| BE782338A (en) | 1972-10-19 |
| IT953663B (en) | 1973-08-10 |