BE476860A - - Google Patents
Info
- Publication number
- BE476860A BE476860A BE476860DA BE476860A BE 476860 A BE476860 A BE 476860A BE 476860D A BE476860D A BE 476860DA BE 476860 A BE476860 A BE 476860A
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR935404T | 1946-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE476860A true BE476860A (en:Method) |
Family
ID=9456777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE476860D BE476860A (en:Method) | 1946-10-03 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE476860A (en:Method) |
| FR (1) | FR935404A (en:Method) |
-
0
- BE BE476860D patent/BE476860A/xx unknown
-
1946
- 1946-10-03 FR FR935404D patent/FR935404A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR935404A (fr) | 1948-06-18 |