BE432165A - - Google Patents
Info
- Publication number
- BE432165A BE432165A BE432165DA BE432165A BE 432165 A BE432165 A BE 432165A BE 432165D A BE432165D A BE 432165DA BE 432165 A BE432165 A BE 432165A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES130392D DE730242C (de) | 1938-01-15 | 1938-01-15 | Schaltungsanordnung fuer Telegrafenvermittlungsanlagen mit Vierdraht- und Einfachleitungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE432165A true BE432165A (en, 2012) | 1939-02-28 |
Family
ID=7538428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE432165D BE432165A (en, 2012) | 1938-01-15 | 1939-01-14 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE432165A (en, 2012) |
| DE (1) | DE730242C (en, 2012) |
| FR (1) | FR848863A (en, 2012) |
-
1938
- 1938-01-15 DE DES130392D patent/DE730242C/de not_active Expired
-
1939
- 1939-01-14 BE BE432165D patent/BE432165A/xx unknown
- 1939-01-14 FR FR848863D patent/FR848863A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR848863A (fr) | 1939-11-08 |
| DE730242C (de) | 1943-01-08 |