CH607494A5 - - Google Patents
Info
- Publication number
- CH607494A5 CH607494A5 CH1188576A CH1188576A CH607494A5 CH 607494 A5 CH607494 A5 CH 607494A5 CH 1188576 A CH1188576 A CH 1188576A CH 1188576 A CH1188576 A CH 1188576A CH 607494 A5 CH607494 A5 CH 607494A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
- H04M19/005—Feeding arrangements without the use of line transformers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Interface Circuits In Exchanges (AREA)
- Telephone Function (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7529080A FR2326091A1 (fr) | 1975-09-23 | 1975-09-23 | Perfectionnement aux equipements de ligne d'abonnes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH607494A5 true CH607494A5 (cg-RX-API-DMAC10.html) | 1978-12-29 |
Family
ID=9160324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1188576A CH607494A5 (cg-RX-API-DMAC10.html) | 1975-09-23 | 1976-09-20 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE846415A (cg-RX-API-DMAC10.html) |
| CH (1) | CH607494A5 (cg-RX-API-DMAC10.html) |
| DE (1) | DE2642318C2 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2326091A1 (cg-RX-API-DMAC10.html) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2850905C2 (de) * | 1978-11-24 | 1985-11-14 | Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg | Schaltungsanordnung zur Speisung einer Teilnehmerendeinrichtung |
| DE3125105C2 (de) * | 1981-06-26 | 1984-06-20 | Deutsche Fernsprecher Gesellschaft Mbh Marburg, 3550 Marburg | Schaltung in einem Fernsprechapparat zum Speisen eines Tastenwahlblocks |
| DE3926102A1 (de) * | 1989-08-08 | 1991-02-14 | Standard Elektrik Lorenz Ag | Verfahren und schaltungsanordnung zur uebertragung eines digitalen signals auf einer teilnehmerleitung in fernsprechanlagen |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1199827B (de) * | 1964-05-21 | 1965-09-02 | Telefunken Patent | Schaltungsanordnung fuer die Speisung der Teilnehmerstellen in Fernmelde-, insbesondere Fernsprechanlagen |
| DE1290202B (de) * | 1966-09-30 | 1969-03-06 | Merk Gmbh Telefonbau Fried | Schaltungsanordnung fuer die Speisung von Fernsprechteilnehmerstellen |
-
1975
- 1975-09-23 FR FR7529080A patent/FR2326091A1/fr active Granted
-
1976
- 1976-09-20 CH CH1188576A patent/CH607494A5/xx not_active IP Right Cessation
- 1976-09-21 DE DE19762642318 patent/DE2642318C2/de not_active Expired
- 1976-09-22 BE BE2055323A patent/BE846415A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2642318C2 (de) | 1983-08-11 |
| FR2326091A1 (fr) | 1977-04-22 |
| BE846415A (fr) | 1977-03-22 |
| DE2642318A1 (de) | 1977-03-31 |
| FR2326091B1 (cg-RX-API-DMAC10.html) | 1981-09-11 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PLX | Patent declared invalid from date of grant onwards |