CA1020662A - Apparatus for extracting a vertical synchronizing pulse from a composite synchronizing signal included in a video signal - Google Patents

Apparatus for extracting a vertical synchronizing pulse from a composite synchronizing signal included in a video signal

Info

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
Application number
CA202,831A
Other languages
English (en)
French (fr)
Other versions
CA202831S (en
Inventor
Naoyuki Kokado
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Application granted granted Critical
Publication of CA1020662A publication Critical patent/CA1020662A/en
Expired legal-status Critical Current

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)
CA202,831A 1973-06-19 1974-06-19 Apparatus for extracting a vertical synchronizing pulse from a composite synchronizing signal included in a video signal Expired CA1020662A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6828773A JPS5729108B2 (ko) 1973-06-19 1973-06-19

Publications (1)

Publication Number Publication Date
CA1020662A true CA1020662A (en) 1977-11-08

Family

ID=13369388

Family Applications (1)

Application Number Title Priority Date Filing Date
CA202,831A Expired CA1020662A (en) 1973-06-19 1974-06-19 Apparatus for extracting a vertical synchronizing pulse from a composite synchronizing signal included in a video signal

Country Status (3)

Country Link
US (1) US3925613A (ko)
JP (1) JPS5729108B2 (ko)
CA (1) CA1020662A (ko)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5181663A (ko) * 1975-01-16 1976-07-17 Hitachi Ltd
JPS5322974U (ko) * 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 (ko) * 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 (ko) * 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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678199A (en) * 1971-03-18 1972-07-18 Control Concepts Corp Vertical locking circuit
JPS521847B2 (ko) * 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

Also Published As

Publication number Publication date
JPS5729108B2 (ko) 1982-06-21
JPS5017920A (ko) 1975-02-25
US3925613A (en) 1975-12-09

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