LU69827A1 - - Google Patents
Info
- Publication number
- LU69827A1 LU69827A1 LU69827A LU69827A LU69827A1 LU 69827 A1 LU69827 A1 LU 69827A1 LU 69827 A LU69827 A LU 69827A LU 69827 A LU69827 A LU 69827A LU 69827 A1 LU69827 A1 LU 69827A1
- Authority
- LU
- Luxembourg
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7314506A FR2226778B1 (xx) | 1973-04-20 | 1973-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU69827A1 true LU69827A1 (xx) | 1974-11-21 |
Family
ID=9118309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU69827A LU69827A1 (xx) | 1973-04-20 | 1974-04-10 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3919653A (xx) |
| JP (1) | JPS5048866A (xx) |
| BE (1) | BE813405A (xx) |
| CA (1) | CA1038460A (xx) |
| DE (1) | DE2416714A1 (xx) |
| FR (1) | FR2226778B1 (xx) |
| GB (1) | GB1432912A (xx) |
| IE (1) | IE39112B1 (xx) |
| IT (1) | IT1014589B (xx) |
| LU (1) | LU69827A1 (xx) |
| NL (1) | NL7405291A (xx) |
| SE (1) | SE393502B (xx) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4121050A (en) * | 1977-02-02 | 1978-10-17 | The United States Of America As Represented By The Secretary Of The Air Force | Differential tri-phase shift keyed modulation |
| US4123719A (en) * | 1977-04-22 | 1978-10-31 | Westinghouse Electric Corp. | Chirp phase distortion detector in a wideband linearization feedback control loop |
| FR2419614A1 (fr) * | 1978-03-10 | 1979-10-05 | Cit Alcatel | Circuit de recuperation de la porteuse d'un signal numerique synchrone transmis par modulation d'amplitude |
| US4379266A (en) * | 1980-04-03 | 1983-04-05 | Ford Aerospace & Communications Corporation | PSK Demodulator with automatic compensation of delay induced phase shifts |
| US4371839A (en) * | 1980-04-03 | 1983-02-01 | Ford Aerospace & Communications Corporation | Differentially coherent signal detector |
| US4525676A (en) * | 1981-02-24 | 1985-06-25 | Nippon Electric Co., Ltd. | PSK Demodulation system having carrier frequency variation compensation |
| US4534043A (en) * | 1983-06-27 | 1985-08-06 | Racal Data Communications, Inc. | Test tone detector apparatus and method modem using same |
| DE69325332T2 (de) * | 1992-10-13 | 1999-11-04 | Nec Corp., Tokio/Tokyo | Frequenzstabilisierer in einem Funkkommunikationssystem mit phasenumgetasteten Signalen |
| EP0735730A3 (en) * | 1995-03-28 | 1999-07-07 | Matsushita Electric Industrial Co., Ltd. | Automatic frequency controller |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE902503C (de) * | 1952-02-15 | 1954-01-25 | Telefunken Gmbh | Einrichtung zur Konstanthaltung der Trenn- und Zeichenfrequenz |
| BE758413A (fr) * | 1969-11-04 | 1971-05-03 | Philips Nv | Recepteur pour impulsions modulant une porteuse et situees dansune bande de frequence determinee |
| DE2049059C3 (de) * | 1970-10-06 | 1978-11-02 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur Ausregelung von Phasenfehlern beim Empfang phasengetasteter Signale |
| US3753114A (en) * | 1971-12-02 | 1973-08-14 | Culbertson Ind Inc | Method and apparatus for the recovery of synchronous carrier in a digital communication system |
| US3838350A (en) * | 1972-08-04 | 1974-09-24 | Westinghouse Electric Corp | Differential encoded quadriphase demodulator |
| US3787775A (en) * | 1973-03-28 | 1974-01-22 | Trw Inc | Phase correction circuit |
-
1973
- 1973-04-20 FR FR7314506A patent/FR2226778B1/fr not_active Expired
-
1974
- 1974-04-01 IE IE00699/74A patent/IE39112B1/xx unknown
- 1974-04-05 DE DE2416714A patent/DE2416714A1/de not_active Withdrawn
- 1974-04-08 BE BE1005859A patent/BE813405A/xx unknown
- 1974-04-09 CA CA197,230A patent/CA1038460A/fr not_active Expired
- 1974-04-10 LU LU69827A patent/LU69827A1/xx unknown
- 1974-04-12 IT IT21331/74A patent/IT1014589B/it active
- 1974-04-18 NL NL7405291A patent/NL7405291A/xx not_active Application Discontinuation
- 1974-04-18 SE SE7405214A patent/SE393502B/xx unknown
- 1974-04-19 GB GB1727674A patent/GB1432912A/en not_active Expired
- 1974-04-19 JP JP49043524A patent/JPS5048866A/ja active Pending
- 1974-04-22 US US463148A patent/US3919653A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL7405291A (xx) | 1974-10-22 |
| US3919653A (en) | 1975-11-11 |
| IE39112L (en) | 1974-10-20 |
| FR2226778B1 (xx) | 1976-05-28 |
| BE813405A (fr) | 1974-10-08 |
| FR2226778A1 (xx) | 1974-11-15 |
| GB1432912A (en) | 1976-04-22 |
| DE2416714A1 (de) | 1974-10-31 |
| SE393502B (sv) | 1977-05-09 |
| IT1014589B (it) | 1977-04-30 |
| IE39112B1 (en) | 1978-08-02 |
| JPS5048866A (xx) | 1975-05-01 |
| CA1038460A (fr) | 1978-09-12 |