BE773183A - Montage de demodulation de signaux de donnees a modulation par difference de phase - Google Patents
Montage de demodulation de signaux de donnees a modulation par difference de phaseInfo
- Publication number
- BE773183A BE773183A BE773183A BE773183A BE773183A BE 773183 A BE773183 A BE 773183A BE 773183 A BE773183 A BE 773183A BE 773183 A BE773183 A BE 773183A BE 773183 A BE773183 A BE 773183A
- Authority
- BE
- Belgium
- Prior art keywords
- data signal
- phase difference
- modulation data
- signal demodulation
- difference modulation
- Prior art date
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
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702047697 DE2047697B2 (de) | 1970-09-28 | 1970-09-28 | Schaltungsanordnung zur demodulation von phasendifferenzmodulierten datensignalen |
Publications (1)
Publication Number | Publication Date |
---|---|
BE773183A true BE773183A (fr) | 1972-03-28 |
Family
ID=5783602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE773183A BE773183A (fr) | 1970-09-28 | 1971-09-28 | Montage de demodulation de signaux de donnees a modulation par difference de phase |
Country Status (8)
Country | Link |
---|---|
US (1) | US3747003A (de) |
BE (1) | BE773183A (de) |
CH (1) | CH538230A (de) |
DE (1) | DE2047697B2 (de) |
FR (1) | FR2108044B1 (de) |
IT (1) | IT938834B (de) |
NL (1) | NL7113256A (de) |
SE (1) | SE362767B (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3838415A (en) * | 1971-10-08 | 1974-09-24 | Collins Radio Co | Data modem apparatus |
DE2213680C3 (de) * | 1972-03-21 | 1974-08-15 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zum Nachstellen der Phasenlagen eines Referenzträgers und eines Schritt aktes |
US3877027A (en) * | 1974-01-23 | 1975-04-08 | Ibm | Data demodulation employing integration techniques |
DE2405060C3 (de) * | 1974-02-02 | 1982-02-11 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zum Demodulieren von nach dem Vierphasen-Differenzverfahren übertragenen Signalen |
US4019149A (en) * | 1976-01-16 | 1977-04-19 | Bell Telephone Laboratories, Incorporated | Correlative data demodulator |
FR2340651A1 (fr) * | 1976-02-03 | 1977-09-02 | Lignes Telegraph Telephon | Procede de generation d'une onde harmonique a partir de signaux modules en phase |
US4011407A (en) * | 1976-02-26 | 1977-03-08 | Rca Corporation | Narrow-band eight-phase modem |
BE850823A (fr) * | 1977-01-28 | 1977-07-28 | Acec | Disjoncteur a interruption rapide |
US5465269A (en) * | 1994-02-02 | 1995-11-07 | Motorola, Inc. | Method and apparatus for encoding and decoding a supplementary signal |
US7551676B1 (en) * | 2003-05-22 | 2009-06-23 | Nortel Networks Limited | Technique for reducing peak-to-average power ratio in digital signal communications |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3222454A (en) * | 1962-06-18 | 1965-12-07 | Hughes Aircraft Co | Digital comparison circuits |
US3294907A (en) * | 1963-10-03 | 1966-12-27 | Collins Radio Co | Synchronizing signal deriving means |
US3394313A (en) * | 1964-09-14 | 1968-07-23 | Navy Usa | Symmetrically phase modulated transmission system with multi-lobed modulating signals |
US3417333A (en) * | 1965-06-22 | 1968-12-17 | Rca Corp | Error corrector for diphase modulation receiver |
US3418585A (en) * | 1965-12-28 | 1968-12-24 | Ibm | Circuit for detecting the presence of a special character in phase-encoded binary data |
US3472960A (en) * | 1966-11-30 | 1969-10-14 | Itt | Synchronizing system having locally generated signals and psk information signals |
US3643023A (en) * | 1968-03-01 | 1972-02-15 | Milgo Electronic Corp | Differential phase modulator and demodulator utilizing relative phase differences at the center of the modulation periods |
-
1970
- 1970-09-28 DE DE19702047697 patent/DE2047697B2/de active Pending
-
1971
- 1971-08-10 CH CH1171071A patent/CH538230A/de not_active IP Right Cessation
- 1971-09-24 US US00183322A patent/US3747003A/en not_active Expired - Lifetime
- 1971-09-27 SE SE12192/71A patent/SE362767B/xx unknown
- 1971-09-27 NL NL7113256A patent/NL7113256A/xx unknown
- 1971-09-27 IT IT29140/71A patent/IT938834B/it active
- 1971-09-28 BE BE773183A patent/BE773183A/xx unknown
- 1971-09-28 FR FR7134955A patent/FR2108044B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT938834B (it) | 1973-02-10 |
FR2108044A1 (de) | 1972-05-12 |
CH538230A (de) | 1973-06-15 |
DE2047697A1 (de) | 1972-04-13 |
FR2108044B1 (de) | 1976-06-04 |
DE2047697B2 (de) | 1972-11-23 |
US3747003A (en) | 1973-07-17 |
SE362767B (de) | 1973-12-17 |
NL7113256A (de) | 1972-03-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE7505780L (sv) | Informationsregistreringsskiva. | |
BE756261A (fr) | Demodulateur de donnees fonctionnant par | |
BR7303736D0 (pt) | Um veiculo de gravacao magnetico | |
AT349076B (de) | Aufzeichnungstraeger fuer informationen | |
IT980925B (it) | Equalizzatore passabanda per segna li di dati a modulazione di fase | |
NL150294B (nl) | Automatische effenaar voor fase gemoduleerde gegevenssignalen. | |
BE773183A (fr) | Montage de demodulation de signaux de donnees a modulation par difference de phase | |
BE768261A (fr) | Systeme de demodulation de modulation de frequence | |
IT946649B (it) | Sistema adesivo doppio a base di lattici | |
BE746100A (fr) | Demodulateur de signaux a modulation de frequence | |
NO139282C (no) | Innspillings/avspillingssystem. | |
SE394532B (sv) | Informationsavspelningssystem | |
BE772008A (fr) | Montage de demodulation de signaux de donnees a modulation par difference de phase | |
NL181316C (nl) | Elektronische faseverschuivingsinrichting. | |
BE773024A (fr) | Procede et montage de demodulation de signaux de donnees a modulation par difference de phase | |
AT298834B (de) | Informationsaufzeichnungssytem | |
BE803356A (fr) | Agencements de montage de disques | |
BE785423A (fr) | Dispositif de groupage de donnees | |
BE807550A (fr) | Enregistreur de donnees a mecanisme de verrouillage | |
BE748282A (fr) | Systeme de modulation de donnees | |
BE793849A (fr) | Enregistreur de donnees | |
SE393497B (sv) | Anordning for demodulering av en frekvensmodulerad signal | |
SE396493B (sv) | Skivformad informationsberare | |
CA961928A (en) | Data signal transmission system employing phase modulation | |
AT354119B (de) | Wiedergabesystem fuer eine bildplatte |