BE370810A - - Google Patents
Info
- Publication number
- BE370810A BE370810A BE370810DA BE370810A BE 370810 A BE370810 A BE 370810A BE 370810D A BE370810D A BE 370810DA BE 370810 A BE370810 A BE 370810A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/001—Two-way communication systems between a limited number of parties
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 |
|---|---|---|---|
| SE362881X | 1929-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE370810A true BE370810A (en:Method) |
Family
ID=20308955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE370810D BE370810A (en:Method) | 1929-06-07 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE370810A (en:Method) |
| FR (1) | FR696312A (en:Method) |
| GB (1) | GB362881A (en:Method) |
-
0
- BE BE370810D patent/BE370810A/xx unknown
-
1930
- 1930-05-30 FR FR696312D patent/FR696312A/fr not_active Expired
- 1930-06-04 GB GB17275/30A patent/GB362881A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB362881A (en) | 1931-12-08 |
| FR696312A (fr) | 1930-12-29 |