BE483169A - - Google Patents
Info
- Publication number
- BE483169A BE483169A BE483169DA BE483169A BE 483169 A BE483169 A BE 483169A BE 483169D A BE483169D A BE 483169DA BE 483169 A BE483169 A BE 483169A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
-
- 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)
- Power Engineering (AREA)
- Devices For Supply Of Signal Current (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL283928X | 1946-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE483169A true BE483169A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=19782418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE483169D BE483169A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1946-09-09 |
Country Status (6)
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1874981A (en) * | 1928-10-02 | 1932-08-30 | Rca Corp | Voltage regulator |
| US2408794A (en) * | 1942-10-20 | 1946-10-08 | Bell Telephone Labor Inc | Carrier wave signal system |
| US2461456A (en) * | 1944-02-11 | 1949-02-08 | Rca Corp | Frequency shift keying |
-
0
- NL NL67468D patent/NL67468C/xx active
- BE BE483169D patent/BE483169A/xx unknown
- FR FR958761D patent/FR958761A/fr not_active Expired
-
1947
- 1947-12-17 US US792278A patent/US2551694A/en not_active Expired - Lifetime
- 1947-12-19 CH CH283928D patent/CH283928A/fr unknown
- 1947-12-31 GB GB34973/47A patent/GB661866A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR958761A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1950-03-17 |
| NL67468C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| GB661866A (en) | 1951-11-28 |
| CH283928A (fr) | 1952-06-30 |
| US2551694A (en) | 1951-05-08 |