BE412922A - - Google Patents
Info
- Publication number
- BE412922A BE412922A BE412922DA BE412922A BE 412922 A BE412922 A BE 412922A BE 412922D A BE412922D A BE 412922DA BE 412922 A BE412922 A BE 412922A
- 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
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/20—Repeater circuits; Relay circuits
- H04L25/207—Repeater circuits; Relay circuits using electromagnetic switches
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE470840X | 1934-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE412922A true BE412922A (en:Method) |
Family
ID=6541189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE412922D BE412922A (en:Method) | 1934-12-21 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE412922A (en:Method) |
| FR (1) | FR799748A (en:Method) |
| GB (1) | GB470840A (en:Method) |
-
0
- BE BE412922D patent/BE412922A/xx unknown
-
1935
- 1935-12-20 GB GB35346/35A patent/GB470840A/en not_active Expired
- 1935-12-20 FR FR799748D patent/FR799748A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR799748A (fr) | 1936-06-18 |
| GB470840A (en) | 1937-08-20 |