BE676840A - - Google Patents
Info
- Publication number
- BE676840A BE676840A BE676840DA BE676840A BE 676840 A BE676840 A BE 676840A BE 676840D A BE676840D A BE 676840DA BE 676840 A BE676840 A BE 676840A
- 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
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/20—Modulator circuits; Transmitter circuits
- H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
- H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
- H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US434583A US3387213A (en) | 1965-02-23 | 1965-02-23 | Synchronous frequency modulation duobinary processing of digital data |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE676840A true BE676840A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-08-22 |
Family
ID=23724819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE676840D BE676840A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-02-23 | 1966-02-22 |
Country Status (7)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1482006A (fr) * | 1966-02-09 | 1967-05-26 | Labo Cent Telecommunicat | Perfectionnements aux procédés de transmission en modulation codée d'impulsions |
| US3466392A (en) * | 1966-03-03 | 1969-09-09 | Ibm | Vestigial sideband frequency shift keying modem |
| US3575673A (en) * | 1968-11-27 | 1971-04-20 | Western Electric Co | Systems for pulse modulating a signal |
| US3668562A (en) * | 1970-04-15 | 1972-06-06 | Tel Tech Corp | Frequency modulation system for transmitting binary information |
| US6741636B1 (en) | 2000-06-27 | 2004-05-25 | Lockheed Martin Corporation | System and method for converting data into a noise-like waveform |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3048657A (en) * | 1961-05-19 | 1962-08-07 | American Cable & Radio Corp | Diplex telegraph system using frequency modulation |
| US3271588A (en) * | 1963-08-07 | 1966-09-06 | Tele Signal Corp | Digital keyer for converting d. c. binary signals into two different output audio frequencies |
| DE1252245B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1964-02-06 |
-
1965
- 1965-02-23 US US434583A patent/US3387213A/en not_active Expired - Lifetime
-
1966
- 1966-02-17 DE DEA51603A patent/DE1297648B/de not_active Withdrawn
- 1966-02-18 GB GB7177/66A patent/GB1091687A/en not_active Expired
- 1966-02-18 CH CH236666A patent/CH484572A/de not_active IP Right Cessation
- 1966-02-22 SE SE2248/66A patent/SE345943B/xx unknown
- 1966-02-22 BE BE676840D patent/BE676840A/xx unknown
- 1966-02-23 NL NL666602371A patent/NL149972B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE345943B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-06-12 |
| DE1297648B (de) | 1969-06-19 |
| NL149972B (nl) | 1976-06-15 |
| CH484572A (de) | 1970-01-15 |
| NL6602371A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-08-24 |
| GB1091687A (en) | 1967-11-22 |
| US3387213A (en) | 1968-06-04 |