FR2175580B1 - - Google Patents
Info
- Publication number
- FR2175580B1 FR2175580B1 FR7208857A FR7208857A FR2175580B1 FR 2175580 B1 FR2175580 B1 FR 2175580B1 FR 7208857 A FR7208857 A FR 7208857A FR 7208857 A FR7208857 A FR 7208857A FR 2175580 B1 FR2175580 B1 FR 2175580B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
- H04L27/2272—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals using phase locked loops
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7208857A FR2175580B1 (fr) | 1972-03-14 | 1972-03-14 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7208857A FR2175580B1 (fr) | 1972-03-14 | 1972-03-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2175580A1 FR2175580A1 (fr) | 1973-10-26 |
FR2175580B1 true FR2175580B1 (fr) | 1977-03-18 |
Family
ID=9095183
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7208857A Expired FR2175580B1 (fr) | 1972-03-14 | 1972-03-14 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2175580B1 (fr) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB636575A (en) * | 1948-01-30 | 1950-05-03 | Marconi Wireless Telegraph Co | Improvements in or relating to automatic frequency synchronising circuit arrangements |
GB1145319A (en) * | 1967-05-02 | 1969-03-12 | Marconi Co Ltd | Improvements in or relating to oscillator control systems |
DE2027544B2 (de) * | 1970-06-04 | 1973-12-13 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Automatischer Entzerrer fur phasenmoduliert« Datensignale |
-
1972
- 1972-03-14 FR FR7208857A patent/FR2175580B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2175580A1 (fr) | 1973-10-26 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |