BE464200A - - Google Patents
Info
- Publication number
- BE464200A BE464200A BE464200DA BE464200A BE 464200 A BE464200 A BE 464200A BE 464200D A BE464200D A BE 464200DA BE 464200 A BE464200 A BE 464200A
- Authority
- BE
- Belgium
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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR261783X | 1945-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE464200A true BE464200A (en:Method) |
Family
ID=8885104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE464200D BE464200A (en:Method) | 1945-10-01 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE464200A (en:Method) |
| CH (1) | CH261783A (en:Method) |
-
0
- BE BE464200D patent/BE464200A/xx unknown
-
1946
- 1946-03-29 CH CH261783D patent/CH261783A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH261783A (fr) | 1949-05-31 |