NL6713900A - - Google Patents
Info
- Publication number
- NL6713900A NL6713900A NL6713900A NL6713900A NL6713900A NL 6713900 A NL6713900 A NL 6713900A NL 6713900 A NL6713900 A NL 6713900A NL 6713900 A NL6713900 A NL 6713900A NL 6713900 A NL6713900 A NL 6713900A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEST22618A DE1226650B (de) | 1964-09-01 | 1964-09-01 | Verfahren und Schaltungsanordnung zur Verbindung von Teilnehmerstationen mit deren Handapparaten in Fernsprechanlagen |
| DEST025984 | 1966-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6713900A true NL6713900A (enExample) | 1968-04-16 |
Family
ID=7460790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6713900A NL6713900A (enExample) | 1964-09-01 | 1967-10-13 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE705128A (enExample) |
| DE (1) | DE1487505B2 (enExample) |
| FR (1) | FR93380E (enExample) |
| NL (1) | NL6713900A (enExample) |
| SE (1) | SE321960B (enExample) |
-
1966
- 1966-10-14 DE DE19661487505 patent/DE1487505B2/de active Pending
-
1967
- 1967-10-11 SE SE13868/67A patent/SE321960B/xx unknown
- 1967-10-13 NL NL6713900A patent/NL6713900A/xx unknown
- 1967-10-13 FR FR124415A patent/FR93380E/fr not_active Expired
- 1967-10-16 BE BE705128D patent/BE705128A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1487505A1 (de) | 1969-04-24 |
| DE1487505B2 (de) | 1973-08-16 |
| BE705128A (enExample) | 1968-04-16 |
| FR93380E (fr) | 1969-03-21 |
| SE321960B (enExample) | 1970-03-23 |