BE408646A - - Google Patents
Info
- Publication number
- BE408646A BE408646A BE408646DA BE408646A BE 408646 A BE408646 A BE 408646A BE 408646D A BE408646D A BE 408646DA BE 408646 A BE408646 A BE 408646A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1804834A GB439970A (en) | 1934-06-18 | 1934-06-18 | Improvements in or relating to combined telegraph and telephone exchange systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE408646A true BE408646A (https=) |
Family
ID=10105733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE408646D BE408646A (https=) | 1934-06-18 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE408646A (https=) |
| FR (1) | FR789413A (https=) |
| GB (1) | GB439970A (https=) |
-
0
- BE BE408646D patent/BE408646A/xx unknown
-
1934
- 1934-06-18 GB GB1804834A patent/GB439970A/en not_active Expired
-
1935
- 1935-04-30 FR FR789413D patent/FR789413A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB439970A (en) | 1935-12-18 |
| FR789413A (fr) | 1935-10-29 |