LU60989A1 - - Google Patents
Info
- Publication number
- LU60989A1 LU60989A1 LU60989DA LU60989A1 LU 60989 A1 LU60989 A1 LU 60989A1 LU 60989D A LU60989D A LU 60989DA LU 60989 A1 LU60989 A1 LU 60989A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
- H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Interface Circuits In Exchanges (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691927007 DE1927007C (de) | 1969-05-28 | Verfahren zum Feststellen von elektrischen Fehlern im mehrstufigen Koppelfeld, insbesondere einer Fernsprechvermittlungsanlage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU60989A1 true LU60989A1 (xx) | 1970-07-28 |
Family
ID=5735333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU60989D LU60989A1 (xx) | 1969-05-28 | 1970-05-26 |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT310259B (xx) |
| BE (1) | BE751095A (xx) |
| CH (1) | CH521072A (xx) |
| FR (1) | FR2048686A5 (xx) |
| GB (1) | GB1284354A (xx) |
| LU (1) | LU60989A1 (xx) |
| NL (1) | NL7007216A (xx) |
| SE (1) | SE366451B (xx) |
-
1970
- 1970-05-19 NL NL7007216A patent/NL7007216A/xx unknown
- 1970-05-22 FR FR7018722A patent/FR2048686A5/fr not_active Expired
- 1970-05-26 LU LU60989D patent/LU60989A1/xx unknown
- 1970-05-26 AT AT471670A patent/AT310259B/de not_active IP Right Cessation
- 1970-05-26 CH CH780470A patent/CH521072A/de not_active IP Right Cessation
- 1970-05-27 GB GB2540370A patent/GB1284354A/en not_active Expired
- 1970-05-28 BE BE751095D patent/BE751095A/xx unknown
- 1970-05-28 SE SE740970A patent/SE366451B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1927007A1 (de) | 1970-12-10 |
| DE1927007B2 (de) | 1972-02-10 |
| AT310259B (de) | 1973-09-25 |
| NL7007216A (xx) | 1970-12-01 |
| SE366451B (xx) | 1974-04-22 |
| BE751095A (fr) | 1970-11-30 |
| FR2048686A5 (xx) | 1971-03-19 |
| CH521072A (de) | 1972-03-31 |
| GB1284354A (en) | 1972-08-09 |