BE442655A - - Google Patents
Info
- Publication number
- BE442655A BE442655A BE442655DA BE442655A BE 442655 A BE442655 A BE 442655A BE 442655D A BE442655D A BE 442655DA BE 442655 A BE442655 A BE 442655A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
-
- 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
- H04L25/22—Repeaters for converting two wires to four wires; Repeaters for converting single current to double current
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Power Engineering (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1070240A GB542730A (en) | 1940-06-21 | 1940-06-21 | Improvements in or relating to arrangements for telegraph transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE442655A true BE442655A (xx) |
Family
ID=9972709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE442655D BE442655A (xx) | 1940-06-21 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE442655A (xx) |
| CH (1) | CH226794A (xx) |
| GB (1) | GB542730A (xx) |
-
0
- BE BE442655D patent/BE442655A/xx unknown
-
1940
- 1940-06-21 GB GB1070240A patent/GB542730A/en not_active Expired
-
1941
- 1941-08-01 CH CH226794D patent/CH226794A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB542730A (en) | 1942-01-26 |
| CH226794A (de) | 1943-04-30 |