CA1020662A - Dispositif d'extraction d'une impulsion de synchronisation verticale d'un signal complexe de synchronisation - Google Patents
Dispositif d'extraction d'une impulsion de synchronisation verticale d'un signal complexe de synchronisationInfo
- Publication number
- CA1020662A CA1020662A CA202,831A CA202831A CA1020662A CA 1020662 A CA1020662 A CA 1020662A CA 202831 A CA202831 A CA 202831A CA 1020662 A CA1020662 A CA 1020662A
- Authority
- CA
- Canada
- Prior art keywords
- extracting
- video signal
- composite
- vertical synchronizing
- signal included
- 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
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/08—Separation of synchronising signals from picture signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Synchronizing For Television (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6828773A JPS5729108B2 (fr) | 1973-06-19 | 1973-06-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1020662A true CA1020662A (fr) | 1977-11-08 |
Family
ID=13369388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA202,831A Expired CA1020662A (fr) | 1973-06-19 | 1974-06-19 | Dispositif d'extraction d'une impulsion de synchronisation verticale d'un signal complexe de synchronisation |
Country Status (3)
Country | Link |
---|---|
US (1) | US3925613A (fr) |
JP (1) | JPS5729108B2 (fr) |
CA (1) | CA1020662A (fr) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5181663A (fr) * | 1975-01-16 | 1976-07-17 | Hitachi Ltd | |
JPS5322974U (fr) * | 1976-08-05 | 1978-02-25 | ||
JPS6043709B2 (ja) * | 1977-07-13 | 1985-09-30 | 日本電気株式会社 | 垂直同期装置 |
JPS54104230A (en) * | 1978-02-03 | 1979-08-16 | Sony Corp | Processing circuit for vertical synchronizing signal |
US4306192A (en) * | 1978-09-19 | 1981-12-15 | Fleit & Jacobson | Background subtractor |
JPS5575386A (en) * | 1978-12-01 | 1980-06-06 | Hitachi Ltd | Detector circuit for vertical synchronous pulse |
JPS6036922Y2 (ja) * | 1979-09-17 | 1985-11-01 | 株式会社東芝 | 垂直同期信号検出回路 |
GB2067054B (en) * | 1979-12-29 | 1984-04-04 | Sony Corp | Synchronizing signal detecting circuits |
JPS5696579A (en) * | 1979-12-29 | 1981-08-04 | Sony Corp | Vertical synchronizing separation circuit |
US4319275A (en) * | 1980-04-30 | 1982-03-09 | Zenith Radio Corporation | Vertical synchronization detection system and method |
DE3037987C2 (de) * | 1980-10-08 | 1985-07-25 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung zum Ermitteln eines Impulses bestimmter Mindestlänge in einem Impulsgemisch |
JPS57172869U (fr) * | 1981-04-25 | 1982-10-30 | ||
JPS59146268A (ja) * | 1983-02-09 | 1984-08-22 | Matsushita Electric Ind Co Ltd | 同期分離装置 |
DE3343455A1 (de) * | 1983-12-01 | 1985-06-13 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung zum erkennen der vertikalaustastluecke in einem bildsignal |
GB8414314D0 (en) * | 1984-06-05 | 1984-07-11 | Motorola Inc | Vertical synchronisation pulse separator |
US4706033A (en) * | 1986-05-20 | 1987-11-10 | Northern Telecom Limited | Data recovery and clock circuit for use in data test equipment |
JPH0418406U (fr) * | 1990-06-04 | 1992-02-17 | ||
KR950007417A (ko) * | 1993-08-13 | 1995-03-21 | 문정환 | 디지탈 수직동기신호 분리장치 |
US5999222A (en) * | 1997-09-04 | 1999-12-07 | Hughes-Jvc Technology Corporation | Digital vertical sync separator |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3678199A (en) * | 1971-03-18 | 1972-07-18 | Control Concepts Corp | Vertical locking circuit |
JPS521847B2 (fr) * | 1972-03-31 | 1977-01-18 | ||
US3809809A (en) * | 1972-12-13 | 1974-05-07 | Int Video Corp | Technique for detecting long duration pulses from a train of short duration pulses |
-
1973
- 1973-06-19 JP JP6828773A patent/JPS5729108B2/ja not_active Expired
-
1974
- 1974-06-07 US US477287A patent/US3925613A/en not_active Expired - Lifetime
- 1974-06-19 CA CA202,831A patent/CA1020662A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5017920A (fr) | 1975-02-25 |
JPS5729108B2 (fr) | 1982-06-21 |
US3925613A (en) | 1975-12-09 |
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