KR910007343A - Synchronous circuit of a television camera - Google Patents

Synchronous circuit of a television camera Download PDF

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Publication number
KR910007343A
KR910007343A KR1019900013789A KR900013789A KR910007343A KR 910007343 A KR910007343 A KR 910007343A KR 1019900013789 A KR1019900013789 A KR 1019900013789A KR 900013789 A KR900013789 A KR 900013789A KR 910007343 A KR910007343 A KR 910007343A
Authority
KR
South Korea
Prior art keywords
signal
horizontal
television camera
synchronizing
composite
Prior art date
Application number
KR1019900013789A
Other languages
Korean (ko)
Other versions
KR970003028B1 (en
Inventor
쯔쯔미 요시히도 히가시
Original Assignee
이우에 사또시
산요오 덴끼 가부시끼가이샤
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 이우에 사또시, 산요오 덴끼 가부시끼가이샤 filed Critical 이우에 사또시
Publication of KR910007343A publication Critical patent/KR910007343A/en
Application granted granted Critical
Publication of KR970003028B1 publication Critical patent/KR970003028B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Synchronizing For Television (AREA)

Abstract

내용없음.None.

Description

텔레비전 카메라의 동기회로Synchronization circuit of television camera

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명 동기회로를 채용한 수평주사의 동기회로를 나타내는 블록도,1 is a block diagram showing a horizontal scanning synchronous circuit employing the synchronous circuit of the present invention;

제2도는 위상비교기 동작의 설명도,2 is an explanatory diagram of a phase comparator operation;

제3도는 제1도의 동작 타이밍도,3 is an operation timing diagram of FIG.

Claims (1)

수평 및 수직방향으로 주사하는 촬상소자가 탑재된 텔레비전 카메라에 각종 동기신호를 포함한 콤포지트신호를 부여하고 상기 텔레비전 카메라의 동작을 소정 타이밍으로 동기시키는 텔레비전 카메라의 동기회로에 있어서, 상기 텔레비전 카메라 내부에서 기본클록을 발진하는 수단, 상기 촬상소자의 수평주사 타이밍을 결정하는 수평동기신호 및 이 수평동기신호에 동기한 수평주사신호를 상기 기본클록으로 작성하는 수단, 상기 수평동기신호의 위상을 상기 콤포지트신호의 위상과 비교함과 동시에 그 비교출력에 따라 상기 기본클록의 발진을 제어하는 수단, 상기 콤포지트신호의 상승 혹은 하강의 타이밍이 상기 수평주사신호의 소정기간내에 있을때 상기 수평동기신호와 상기 콤포지트신호와의 위상비교를 정지하여 비교출력을 고정하는 수단을 구비하고, 상기 콤포지트신호와 상기 수평동기신호가 동기하도록 상기 기본클록의 발진을 제어하는 것을 특징으로 하는 텔레비전 카메라의 동기회로.A synchronizing circuit of a television camera for providing a composite signal including various synchronizing signals to a television camera equipped with an image pickup device that scans in the horizontal and vertical directions and synchronizing the operation of the television camera at a predetermined timing. Means for oscillating a clock, means for generating a horizontal synchronizing signal for determining a horizontal scanning timing of the image pickup device, and a horizontal scanning signal synchronized with the horizontal synchronizing signal as the basic clock, and a phase of the composite synchronizing signal for Means for controlling the oscillation of the basic clock according to the comparison output at the same time as the phase, and when the rising or falling timing of the composite signal is within a predetermined period of the horizontal scanning signal, the horizontal synchronizing signal and the composite signal Means for fixing the comparison output by stopping phase comparison As provided, and synchronization circuit of a television camera, characterized in that for controlling the oscillation of the fundamental clock is the composite signal and the horizontal synchronization signal is in synchronization. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900013789A 1989-09-20 1990-09-01 A synchronizing circuit of tv camera KR970003028B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1244305A JP2877376B2 (en) 1989-09-20 1989-09-20 TV camera synchronization circuit
JP1-244305 1989-09-20

Publications (2)

Publication Number Publication Date
KR910007343A true KR910007343A (en) 1991-04-30
KR970003028B1 KR970003028B1 (en) 1997-03-13

Family

ID=17116763

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900013789A KR970003028B1 (en) 1989-09-20 1990-09-01 A synchronizing circuit of tv camera

Country Status (2)

Country Link
JP (1) JP2877376B2 (en)
KR (1) KR970003028B1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60116286A (en) * 1983-11-28 1985-06-22 Matsushita Electric Ind Co Ltd Device for separating video synchronizing signal
JPS6333281U (en) * 1986-08-20 1988-03-03

Also Published As

Publication number Publication date
JPH03106268A (en) 1991-05-02
KR970003028B1 (en) 1997-03-13
JP2877376B2 (en) 1999-03-31

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