IT1101112B - Sistema di controllo automatico di frequenza - Google Patents
Sistema di controllo automatico di frequenzaInfo
- Publication number
- IT1101112B IT1101112B IT29953/78A IT2995378A IT1101112B IT 1101112 B IT1101112 B IT 1101112B IT 29953/78 A IT29953/78 A IT 29953/78A IT 2995378 A IT2995378 A IT 2995378A IT 1101112 B IT1101112 B IT 1101112B
- Authority
- IT
- Italy
- Prior art keywords
- control system
- frequency control
- automatic frequency
- automatic
- frequency
- Prior art date
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/30—Circuits for homodyne or synchrodyne receivers
- H04B1/302—Circuits for homodyne or synchrodyne receivers for single sideband receivers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Circuits Of Receivers In General (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Superheterodyne Receivers (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB48753/77A GB1580226A (en) | 1977-11-23 | 1977-11-23 | Automatic frequency control system |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7829953A0 IT7829953A0 (it) | 1978-11-20 |
IT1101112B true IT1101112B (it) | 1985-09-28 |
Family
ID=10449791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT29953/78A IT1101112B (it) | 1977-11-23 | 1978-11-20 | Sistema di controllo automatico di frequenza |
Country Status (9)
Country | Link |
---|---|
US (1) | US4241452A (it) |
JP (1) | JPS5482153A (it) |
CA (1) | CA1141826A (it) |
DE (1) | DE2850649A1 (it) |
DK (1) | DK516378A (it) |
FR (1) | FR2410395A1 (it) |
GB (1) | GB1580226A (it) |
IT (1) | IT1101112B (it) |
SE (1) | SE7811913L (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4554679A (en) * | 1983-11-15 | 1985-11-19 | Rca Corporation | Noise reduction system for a single sideband multiplex signal |
US5390348A (en) * | 1992-02-12 | 1995-02-14 | Creative Digital Inc. | System for tracking and correcting drift and dispersion in satellite transmission signals |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE753551C (de) * | 1939-04-15 | 1953-03-09 | Fernseh Gmbh | Verfahren und Einrichtung zum Empfang einer mittels frequenzmodulierter Wellen uebertragenen Signalfolge |
US2494751A (en) * | 1947-03-10 | 1950-01-17 | Philco Corp | Asymmetrical discriminator |
NL75150C (it) * | 1947-10-17 | |||
US2730614A (en) * | 1950-01-20 | 1956-01-10 | Stromberg Carlson Co | Automatic frequency control system |
US2915626A (en) * | 1954-04-08 | 1959-12-01 | Raytheon Co | Automatic frequency control responsive to carrier frequency of distinctive pulse and preventing drift during signal failure |
US3042867A (en) * | 1956-10-11 | 1962-07-03 | Rca Corp | Communication system with compensating means for non-linear amplitude distortions |
NL228659A (it) * | 1958-06-12 | |||
FR2159187B1 (it) * | 1971-11-10 | 1977-01-21 | Onera (Off Nat Aerospatiale) |
-
1977
- 1977-11-23 GB GB48753/77A patent/GB1580226A/en not_active Expired
-
1978
- 1978-10-31 CA CA000315468A patent/CA1141826A/en not_active Expired
- 1978-11-14 US US05/960,531 patent/US4241452A/en not_active Expired - Lifetime
- 1978-11-20 IT IT29953/78A patent/IT1101112B/it active
- 1978-11-20 DK DK516378A patent/DK516378A/da unknown
- 1978-11-20 SE SE7811913A patent/SE7811913L/xx unknown
- 1978-11-22 FR FR7832948A patent/FR2410395A1/fr not_active Withdrawn
- 1978-11-22 JP JP14492678A patent/JPS5482153A/ja active Pending
- 1978-11-22 DE DE19782850649 patent/DE2850649A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
IT7829953A0 (it) | 1978-11-20 |
FR2410395A1 (fr) | 1979-06-22 |
DK516378A (da) | 1979-05-24 |
CA1141826A (en) | 1983-02-22 |
DE2850649A1 (de) | 1979-06-07 |
GB1580226A (en) | 1980-11-26 |
US4241452A (en) | 1980-12-23 |
JPS5482153A (en) | 1979-06-30 |
SE7811913L (sv) | 1979-05-24 |
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