FR980791A - Perfectionnement aux dispositifs d'asservissement de fréquence des oscillateurs - Google Patents
Perfectionnement aux dispositifs d'asservissement de fréquence des oscillateursInfo
- Publication number
- FR980791A FR980791A FR980791DA FR980791A FR 980791 A FR980791 A FR 980791A FR 980791D A FR980791D A FR 980791DA FR 980791 A FR980791 A FR 980791A
- Authority
- FR
- France
- Prior art keywords
- oscillators
- improvement
- control devices
- frequency control
- frequency
- Prior art date
- 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
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
- H04N5/123—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising whereby the synchronisation signal directly commands a frequency generator
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
- H04N5/126—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising whereby the synchronisation signal indirectly commands a frequency generator
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Particle Accelerators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR980791T | 1943-03-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR980791A true FR980791A (fr) | 1951-05-17 |
Family
ID=9527727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR980791D Expired FR980791A (fr) | 1943-03-05 | 1943-03-05 | Perfectionnement aux dispositifs d'asservissement de fréquence des oscillateurs |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR980791A (en:Method) |
GB (1) | GB624690A (en:Method) |
NL (1) | NL115628B (en:Method) |
-
0
- NL NL115628D patent/NL115628B/xx unknown
-
1943
- 1943-03-05 FR FR980791D patent/FR980791A/fr not_active Expired
-
1945
- 1945-12-11 GB GB33413/45A patent/GB624690A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB624690A (en) | 1949-06-15 |
NL115628B (en:Method) |
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