FR81193E - Dispositif de synchronisation d'une liaison radioélectrique - Google Patents
Dispositif de synchronisation d'une liaison radioélectriqueInfo
- Publication number
- FR81193E FR81193E FR888810A FR888810A FR81193E FR 81193 E FR81193 E FR 81193E FR 888810 A FR888810 A FR 888810A FR 888810 A FR888810 A FR 888810A FR 81193 E FR81193 E FR 81193E
- Authority
- FR
- France
- Prior art keywords
- synchronizing
- radio link
- radio
- link
- 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
- 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
- H03L7/08—Details of the phase-locked loop
- H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted
- H03L7/146—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted by using digital means for generating the oscillator control signal
- H03L7/148—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted by using digital means for generating the oscillator control signal said digital means comprising a counter or a divider
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/023—Neutralization of the automatic frequency correction during a tuning change
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR888810A FR81193E (fr) | 1961-06-29 | 1962-02-22 | Dispositif de synchronisation d'une liaison radioélectrique |
GB23849/62A GB970750A (en) | 1961-06-29 | 1962-06-20 | Improvements in local oscillator controlling systems |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR866423A FR1301861A (fr) | 1961-06-29 | 1961-06-29 | Dispositif de synchronisation d'une liaison radioélectrique |
FR888810A FR81193E (fr) | 1961-06-29 | 1962-02-22 | Dispositif de synchronisation d'une liaison radioélectrique |
Publications (1)
Publication Number | Publication Date |
---|---|
FR81193E true FR81193E (fr) | 1963-08-09 |
Family
ID=8758270
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR31193D Expired FR31193E (fr) | 1961-06-29 | 1925-11-20 | Dispositif de soellé et pince en permettant la pose |
FR866423A Expired FR1301861A (fr) | 1961-06-29 | 1961-06-29 | Dispositif de synchronisation d'une liaison radioélectrique |
FR888810A Expired FR81193E (fr) | 1961-06-29 | 1962-02-22 | Dispositif de synchronisation d'une liaison radioélectrique |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR31193D Expired FR31193E (fr) | 1961-06-29 | 1925-11-20 | Dispositif de soellé et pince en permettant la pose |
FR866423A Expired FR1301861A (fr) | 1961-06-29 | 1961-06-29 | Dispositif de synchronisation d'une liaison radioélectrique |
Country Status (4)
Country | Link |
---|---|
US (1) | US3223943A (fr) |
FR (3) | FR31193E (fr) |
GB (1) | GB970750A (fr) |
NL (1) | NL280342A (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1444235A (fr) * | 1965-05-21 | 1966-07-01 | Thomson Houston Comp Francaise | Perfectionnements aux récepteurs radioélectriques à commande automatique de phase |
GB1355167A (en) * | 1971-05-19 | 1974-06-05 | Bendix Corp | Collision avoidance system |
FR2175671B1 (fr) * | 1972-03-17 | 1977-04-01 | Trt Telecom Radio Electr | |
IT986172B (it) * | 1973-06-18 | 1975-01-20 | Fatme Spa | Dispositivo di sincronizzazione automatica per un oscillatore in particolare per impianti di tele comunicazione |
FR2293103A1 (fr) * | 1974-11-28 | 1976-06-25 | Gabry Andre | Perfectionnements aux dispositifs de synchronisation d'oscillateurs, notamment d'oscillateurs a quartz, sur une radiofrequence stabilisee |
JPS588617B2 (ja) * | 1975-03-13 | 1983-02-16 | ソニー株式会社 | ジユシンキ |
US3983506A (en) * | 1975-07-11 | 1976-09-28 | International Business Machines Corporation | Acquisition process in a phase-locked-loop by gated means |
US4099125A (en) * | 1976-06-23 | 1978-07-04 | Motorola, Inc. | Frequency error correction circuit |
JPS53116017A (en) * | 1977-03-19 | 1978-10-11 | Sony Corp | Automatic frequency control system for ssb receivers |
JPS5331719Y2 (fr) * | 1977-06-16 | 1978-08-07 | ||
US4270093A (en) * | 1979-06-27 | 1981-05-26 | Gte Automatic Electric Laboratories Incorporated | Apparatus for forcing a phase-lock oscillator to a predetermined frequency when unlocked |
GB2135543A (en) * | 1983-02-17 | 1984-08-30 | Farnell Instr | Modulation meters |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2777055A (en) * | 1953-01-07 | 1957-01-08 | Goldberg Bernard | Automatic frequency control system with phase control for synchronous detection |
US2951150A (en) * | 1956-11-16 | 1960-08-30 | Itt | Automatic frequency search and track system |
US2976411A (en) * | 1958-06-16 | 1961-03-21 | Leonard R Kahn | Automatic frequency control system suitable for single-sideband receivers, frequency modulation transmitters and the like |
-
0
- NL NL280342D patent/NL280342A/xx unknown
-
1925
- 1925-11-20 FR FR31193D patent/FR31193E/fr not_active Expired
-
1961
- 1961-06-29 FR FR866423A patent/FR1301861A/fr not_active Expired
-
1962
- 1962-02-22 FR FR888810A patent/FR81193E/fr not_active Expired
- 1962-06-20 GB GB23849/62A patent/GB970750A/en not_active Expired
- 1962-06-21 US US204091A patent/US3223943A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL280342A (fr) | |
FR31193E (fr) | 1927-01-26 |
GB970750A (en) | 1964-09-23 |
US3223943A (en) | 1965-12-14 |
FR1301861A (fr) | 1962-08-24 |
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