NO132888C - - Google Patents
Info
- Publication number
- NO132888C NO132888C NO485370A NO485370A NO132888C NO 132888 C NO132888 C NO 132888C NO 485370 A NO485370 A NO 485370A NO 485370 A NO485370 A NO 485370A NO 132888 C NO132888 C NO 132888C
- Authority
- NO
- Norway
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
- H04M3/24—Arrangements for supervision, monitoring or testing with provision for checking the normal operation
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Telephonic Communication Services (AREA)
- Devices For Supply Of Signal Current (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH156370A CH519834A (de) | 1970-02-03 | 1970-02-03 | Verfahren und Vorrichtung zur Auskoppelung von Signalen auf Teilnehmerleitungen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO132888B NO132888B (de) | 1975-10-13 |
| NO132888C true NO132888C (de) | 1976-01-21 |
Family
ID=4213344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO485370A NO132888C (de) | 1970-02-03 | 1970-12-17 |
Country Status (7)
| Country | Link |
|---|---|
| CH (1) | CH519834A (de) |
| DE (1) | DE2100457B2 (de) |
| ES (1) | ES387708A1 (de) |
| FI (1) | FI56463C (de) |
| GB (1) | GB1327861A (de) |
| NO (1) | NO132888C (de) |
| YU (1) | YU34176B (de) |
-
1970
- 1970-02-03 CH CH156370A patent/CH519834A/de not_active IP Right Cessation
- 1970-12-17 NO NO485370A patent/NO132888C/no unknown
- 1970-12-31 FI FI352270A patent/FI56463C/fi active
-
1971
- 1971-01-07 DE DE19712100457 patent/DE2100457B2/de not_active Ceased
- 1971-01-25 YU YU16171A patent/YU34176B/xx unknown
- 1971-01-28 ES ES387708A patent/ES387708A1/es not_active Expired
- 1971-04-19 GB GB2076171A patent/GB1327861A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2100457A1 (de) | 1971-08-12 |
| YU34176B (en) | 1978-12-31 |
| FI56463B (fi) | 1979-09-28 |
| NO132888B (de) | 1975-10-13 |
| GB1327861A (en) | 1973-08-22 |
| FI56463C (fi) | 1980-01-10 |
| CH519834A (de) | 1972-02-29 |
| YU16171A (en) | 1978-06-30 |
| ES387708A1 (es) | 1973-05-16 |
| DE2100457B2 (de) | 1978-06-08 |