CH607490A5 - - Google Patents
Info
- Publication number
- CH607490A5 CH607490A5 CH1261976A CH1261976A CH607490A5 CH 607490 A5 CH607490 A5 CH 607490A5 CH 1261976 A CH1261976 A CH 1261976A CH 1261976 A CH1261976 A CH 1261976A CH 607490 A5 CH607490 A5 CH 607490A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
- H04M9/022—Multiplex systems
- H04M9/025—Time division multiplex systems, e.g. loop systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752545515 DE2545515C3 (de) | 1975-10-10 | 1975-10-10 | Gegen- oder Wechselsprechanlage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH607490A5 true CH607490A5 (cg-RX-API-DMAC10.html) | 1978-12-29 |
Family
ID=5958872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1261976A CH607490A5 (cg-RX-API-DMAC10.html) | 1975-10-10 | 1976-10-06 |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT357204B (cg-RX-API-DMAC10.html) |
| CH (1) | CH607490A5 (cg-RX-API-DMAC10.html) |
| DE (1) | DE2545515C3 (cg-RX-API-DMAC10.html) |
| NL (1) | NL7611196A (cg-RX-API-DMAC10.html) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1110111B (it) * | 1979-01-12 | 1985-12-23 | Acet Srl | Impianto citofonico a portiere elettrico a due fili,suscettibile di utilizzare un pressistente impianto a campanello,senza necessita' di ulteriori linee di alimentazione |
| DE2946177C2 (de) * | 1979-11-15 | 1988-08-18 | S. Siedle & Söhne Telefon- und Telegrafenwerke GmbH, 7743 Furtwangen | Hausanlage zur Übertragung von Informationen |
| DE4334906C2 (de) * | 1993-10-13 | 1997-05-07 | Neumann Elektronik Gmbh | Einrichtung zur Übertragung von Ruf- und Belegungszustandssignalen von Wechsel- oder Gegen-Lautsprechanlagen mit Linienwahl über eine Zweidraht-Fernleitung |
-
1975
- 1975-10-10 DE DE19752545515 patent/DE2545515C3/de not_active Expired
-
1976
- 1976-09-30 AT AT723576A patent/AT357204B/de not_active IP Right Cessation
- 1976-10-06 CH CH1261976A patent/CH607490A5/xx not_active IP Right Cessation
- 1976-10-08 NL NL7611196A patent/NL7611196A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2545515B2 (de) | 1979-11-08 |
| DE2545515A1 (de) | 1977-04-14 |
| NL7611196A (nl) | 1977-04-13 |
| ATA723576A (de) | 1979-11-15 |
| AT357204B (de) | 1980-06-25 |
| DE2545515C3 (de) | 1980-08-07 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |