CH561494A5 - - Google Patents
Info
- Publication number
- CH561494A5 CH561494A5 CH1538373A CH1538373A CH561494A5 CH 561494 A5 CH561494 A5 CH 561494A5 CH 1538373 A CH1538373 A CH 1538373A CH 1538373 A CH1538373 A CH 1538373A CH 561494 A5 CH561494 A5 CH 561494A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Function (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT933572A AT320032B (de) | 1972-11-03 | 1972-11-03 | Elektronische Gleichstrom-Impuls-Tastwahl |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH561494A5 true CH561494A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-04-30 |
Family
ID=3613270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1538373A CH561494A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-11-03 | 1973-11-01 |
Country Status (4)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3512327A1 (de) * | 1985-04-03 | 1986-10-09 | Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin | Schaltungsanordnung zur speisung eines elektronischen wahlorgans in fernsprechteilnehmerstationen |
-
1972
- 1972-11-03 AT AT933572A patent/AT320032B/de not_active IP Right Cessation
-
1973
- 1973-10-31 IT IT3079773A patent/IT999130B/it active
- 1973-10-31 DE DE19732354539 patent/DE2354539A1/de active Pending
- 1973-11-01 CH CH1538373A patent/CH561494A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2354539A1 (de) | 1974-05-09 |
| AT320032B (de) | 1975-01-27 |
| IT999130B (it) | 1976-02-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased | ||
| PL | Patent ceased |