BE481780A - - Google Patents
Info
- Publication number
- BE481780A BE481780A BE481780DA BE481780A BE 481780 A BE481780 A BE 481780A BE 481780D A BE481780D A BE 481780DA BE 481780 A BE481780 A BE 481780A
- 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
- H04L12/02—Details
- H04L12/04—Switchboards
-
- 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)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US236511A US2220931A (en) | 1938-10-22 | 1938-10-22 | Telegraph system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE481780A true BE481780A (en:Method) |
Family
ID=22889819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE481780D BE481780A (en:Method) | 1938-10-22 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2220931A (en:Method) |
| BE (1) | BE481780A (en:Method) |
| CH (1) | CH272711A (en:Method) |
| FR (1) | FR960164A (en:Method) |
| GB (1) | GB657684A (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2415420A (en) * | 1943-12-22 | 1947-02-11 | Bell Telephone Labor Inc | Telegraph trunk circuit |
| DE1006459B (de) * | 1955-12-16 | 1957-04-18 | Siemens Ag | Von der Bildtelegrafen-Empfangsstelle steuerbare Einrichtung zum Unterbrechen einer Faksimilesendung |
-
0
- BE BE481780D patent/BE481780A/xx unknown
- FR FR960164D patent/FR960164A/fr not_active Expired
-
1938
- 1938-10-22 US US236511A patent/US2220931A/en not_active Expired - Lifetime
-
1948
- 1948-01-30 CH CH272711D patent/CH272711A/de unknown
- 1948-02-20 GB GB5089/48A patent/GB657684A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2220931A (en) | 1940-11-12 |
| GB657684A (en) | 1951-09-26 |
| CH272711A (de) | 1950-12-31 |
| FR960164A (en:Method) | 1950-04-14 |