BE471838A - - Google Patents
Info
- Publication number
- BE471838A BE471838A BE471838DA BE471838A BE 471838 A BE471838 A BE 471838A BE 471838D A BE471838D A BE 471838DA BE 471838 A BE471838 A BE 471838A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards
- H04N5/40—Modulation circuits
-
- 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
-
- 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
- H04L27/12—Modulator circuits; Transmitter circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00095—Systems or arrangements for the transmission of the picture signal
- H04N1/00103—Systems or arrangements for the transmission of the picture signal specially adapted for radio transmission, e.g. via satellites
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US644147A US2492795A (en) | 1946-01-29 | 1946-01-29 | Frequency shift signaling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE471838A true BE471838A (en:Method) |
Family
ID=24583644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE471838D BE471838A (en:Method) | 1946-01-29 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2492795A (en:Method) |
| BE (1) | BE471838A (en:Method) |
| FR (1) | FR941327A (en:Method) |
| GB (1) | GB624741A (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2672509A (en) * | 1949-04-01 | 1954-03-16 | Mccoy John Harvey | Teletypewriter frequency shift transmission |
| BE548373A (en:Method) * | 1955-06-10 | |||
| US2984701A (en) * | 1960-02-18 | 1961-05-16 | Collins Radio Co | Phase lock synchronizer for controlled-shift data communication system |
| US3167712A (en) * | 1961-03-17 | 1965-01-26 | Itt | Frequency shift keyer with automatic frequency control |
| US4402551A (en) * | 1981-09-10 | 1983-09-06 | Wood Edward T | Method and apparatus to complete horizontal drain holes |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2054883A (en) * | 1932-12-24 | 1936-09-22 | Schlesinger Kurt | Potential-steadying device making use of glow lamps |
| US2279659A (en) * | 1937-04-13 | 1942-04-14 | Rca Corp | Frequency modulator |
| US2176168A (en) * | 1937-08-21 | 1939-10-17 | Henri Jean Joseph Marie De De | Frequency modulated signal |
| US2285044A (en) * | 1941-03-11 | 1942-06-02 | Rca Corp | Wave length modulation system |
| US2403358A (en) * | 1941-04-16 | 1946-07-02 | Press Wireless Inc | Facsimile transmitting and reproducing system, method, and apparatus |
| US2379614A (en) * | 1942-03-27 | 1945-07-03 | Rca Corp | Frequency modulation |
| US2351193A (en) * | 1942-06-13 | 1944-06-13 | Rca Corp | Frequency modulation detector circuit |
| US2339608A (en) * | 1942-08-17 | 1944-01-18 | Gen Electric | Frequency modulation system |
| US2401629A (en) * | 1943-02-22 | 1946-06-04 | Rca Corp | Tone converter |
| US2398793A (en) * | 1943-07-03 | 1946-04-23 | Galvin Mfg Corp | Radio receiving system |
| US2380959A (en) * | 1943-10-21 | 1945-08-07 | Standard Telephones Cables Ltd | Frequency changing signal generating system |
-
0
- BE BE471838D patent/BE471838A/xx unknown
-
1946
- 1946-01-29 US US644147A patent/US2492795A/en not_active Expired - Lifetime
-
1947
- 1947-01-28 GB GB2675/47A patent/GB624741A/en not_active Expired
- 1947-01-29 FR FR941327D patent/FR941327A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR941327A (fr) | 1949-01-07 |
| GB624741A (en) | 1949-06-15 |
| US2492795A (en) | 1949-12-27 |