BE479585A - - Google Patents
Info
- Publication number
- BE479585A BE479585A BE479585DA BE479585A BE 479585 A BE479585 A BE 479585A BE 479585D A BE479585D A BE 479585DA BE 479585 A BE479585 A BE 479585A
- 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
- H04L25/4902—Pulse width modulation; Pulse position modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/026—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse time characteristics modulation, e.g. width, position, interval
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Electrotherapy Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2429632X | 1941-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE479585A true BE479585A (zh) |
Family
ID=9685342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE479585D BE479585A (zh) | 1941-09-12 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2429632A (zh) |
| BE (1) | BE479585A (zh) |
| FR (1) | FR963147A (zh) |
| NL (1) | NL71663C (zh) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3083361A (en) * | 1955-07-28 | 1963-03-26 | Hazeltine Research Inc | Radar testing apparatus |
| US3157838A (en) * | 1961-11-13 | 1964-11-17 | Burroughs Corp | Destructive readout of delay line |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2074037A (en) * | 1932-04-11 | 1937-03-16 | Ibm | Automatic self-synchronized transmitting system |
| US2104572A (en) * | 1934-08-07 | 1938-01-04 | Ibm | Synchronous communication system |
| US2145332A (en) * | 1936-01-31 | 1939-01-31 | Rca Corp | Television system |
| US2212967A (en) * | 1937-04-23 | 1940-08-27 | Emi Ltd | Television and like transmitting system |
| US2265996A (en) * | 1938-04-25 | 1941-12-16 | Emi Ltd | Thermionic valve circuits |
| GB514271A (en) * | 1938-04-29 | 1939-11-03 | Baird Television Ltd | Improvements in or relating to television and like receivers |
| US2188970A (en) * | 1938-08-26 | 1940-02-06 | Hazeltine Corp | Electric timing system |
| US2266154A (en) * | 1939-02-25 | 1941-12-16 | Emi Ltd | Thermionic valve circuits |
| US2217957A (en) * | 1939-05-26 | 1940-10-15 | Hazeltine Corp | Wave-signal translating system |
-
0
- FR FR963147D patent/FR963147A/fr not_active Expired
- BE BE479585D patent/BE479585A/xx unknown
- NL NL71663D patent/NL71663C/xx active
-
1943
- 1943-06-22 US US491804A patent/US2429632A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR963147A (zh) | 1950-06-30 |
| US2429632A (en) | 1947-10-28 |
| NL71663C (zh) |