IT1193535B - Filtro commutabile di un anello di controllo automatico della frequenza e della fase,con cancellazione della tensione di differenza o di offset - Google Patents
Filtro commutabile di un anello di controllo automatico della frequenza e della fase,con cancellazione della tensione di differenza o di offsetInfo
- Publication number
- IT1193535B IT1193535B IT22086/80A IT2208680A IT1193535B IT 1193535 B IT1193535 B IT 1193535B IT 22086/80 A IT22086/80 A IT 22086/80A IT 2208680 A IT2208680 A IT 2208680A IT 1193535 B IT1193535 B IT 1193535B
- Authority
- IT
- Italy
- Prior art keywords
- cancellation
- offset
- frequency
- phase
- difference voltage
- Prior art date
Links
Classifications
-
- 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
- H04N5/05—Synchronising circuits with arrangements for extending range of synchronisation, e.g. by using switching between several time constants
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Synchronizing For Television (AREA)
- Details Of Television Scanning (AREA)
- Television Signal Processing For Recording (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/039,883 US4228463A (en) | 1979-05-17 | 1979-05-17 | Switched AFPC loop filter with offset voltage cancellation |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8022086A0 IT8022086A0 (it) | 1980-05-15 |
IT1193535B true IT1193535B (it) | 1988-07-08 |
Family
ID=21907846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22086/80A IT1193535B (it) | 1979-05-17 | 1980-05-15 | Filtro commutabile di un anello di controllo automatico della frequenza e della fase,con cancellazione della tensione di differenza o di offset |
Country Status (11)
Country | Link |
---|---|
US (1) | US4228463A (it) |
JP (1) | JPS55154879A (it) |
KR (1) | KR830004009A (it) |
CA (1) | CA1136758A (it) |
DE (1) | DE3018605C2 (it) |
ES (1) | ES8103899A1 (it) |
FI (1) | FI69946C (it) |
FR (1) | FR2457047B1 (it) |
GB (1) | GB2050731B (it) |
IT (1) | IT1193535B (it) |
PL (1) | PL128751B1 (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4443769A (en) * | 1981-04-27 | 1984-04-17 | Rca Corporation | Frequency search system for a phase locked loop |
JPS58207773A (ja) * | 1982-05-28 | 1983-12-03 | Matsushita Electric Ind Co Ltd | 位相同期装置 |
US4536794A (en) * | 1982-06-30 | 1985-08-20 | Rca Corporation | Television receiver having different receiver synchronizing characteristics in response to television signal |
US4612574A (en) * | 1983-10-14 | 1986-09-16 | Rca Corporation | Oscillator-frequency control interface circuit |
US4686567A (en) * | 1984-09-28 | 1987-08-11 | Sundstrand Data Control, Inc. | Timing circuit for varying the horizontal format of raster scanned display |
US4754330A (en) * | 1985-04-03 | 1988-06-28 | Hazeltine Corporation | Display deflection control loop |
JPH0528850Y2 (it) * | 1987-02-18 | 1993-07-23 | ||
DE19737326A1 (de) * | 1997-08-27 | 1999-03-04 | Thomson Brandt Gmbh | Verfahren zur Gewinnung von Zeilensynchronisationsinformationen aus einem Videosignal und Vorrichtung zur Durchführung des Verfahrens |
US6956621B2 (en) * | 2002-06-05 | 2005-10-18 | Broadcom Corporation | High impedance digital full line video clamp |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3740489A (en) * | 1969-06-11 | 1973-06-19 | Rca Corp | Horizontal oscillator control for plural operating mode television receivers |
JPS5242492B2 (it) * | 1972-10-09 | 1977-10-25 | ||
JPS49110218A (it) * | 1973-02-20 | 1974-10-21 | ||
US3931467A (en) * | 1974-10-24 | 1976-01-06 | Warwick Electronics Inc. | Synchronizing circuit having a variable bandpass filter |
JPS51150228A (en) * | 1975-06-19 | 1976-12-23 | Victor Co Of Japan Ltd | Horizontal afc circuit |
US4144544A (en) * | 1977-12-19 | 1979-03-13 | Rca Corporation | Television horizontal oscillator frequency control arrangement for use with tape recorder |
-
1979
- 1979-05-17 US US06/039,883 patent/US4228463A/en not_active Expired - Lifetime
-
1980
- 1980-05-09 CA CA000351678A patent/CA1136758A/en not_active Expired
- 1980-05-09 FI FI801504A patent/FI69946C/fi not_active IP Right Cessation
- 1980-05-13 GB GB8015800A patent/GB2050731B/en not_active Expired
- 1980-05-14 DE DE3018605A patent/DE3018605C2/de not_active Expired
- 1980-05-14 ES ES491507A patent/ES8103899A1/es not_active Expired
- 1980-05-15 IT IT22086/80A patent/IT1193535B/it active
- 1980-05-16 JP JP6585280A patent/JPS55154879A/ja active Granted
- 1980-05-16 PL PL1980224282A patent/PL128751B1/pl unknown
- 1980-05-16 FR FR8011048A patent/FR2457047B1/fr not_active Expired
- 1980-05-17 KR KR1019800001942A patent/KR830004009A/ko unknown
Also Published As
Publication number | Publication date |
---|---|
GB2050731A (en) | 1981-01-07 |
JPS6228908B2 (it) | 1987-06-23 |
FI69946C (fi) | 1986-05-26 |
US4228463A (en) | 1980-10-14 |
FI69946B (fi) | 1985-12-31 |
FR2457047B1 (fr) | 1985-10-25 |
IT8022086A0 (it) | 1980-05-15 |
FI801504A (fi) | 1980-11-18 |
CA1136758A (en) | 1982-11-30 |
KR830004009A (ko) | 1983-06-30 |
ES491507A0 (es) | 1981-03-16 |
DE3018605A1 (de) | 1980-11-20 |
FR2457047A1 (fr) | 1980-12-12 |
JPS55154879A (en) | 1980-12-02 |
PL224282A1 (it) | 1981-02-27 |
PL128751B1 (en) | 1984-02-29 |
ES8103899A1 (es) | 1981-03-16 |
DE3018605C2 (de) | 1982-08-12 |
GB2050731B (en) | 1983-04-20 |
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