KR840004642A - TV image control circuit - Google Patents

TV image control circuit Download PDF

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Publication number
KR840004642A
KR840004642A KR1019830001333A KR830001333A KR840004642A KR 840004642 A KR840004642 A KR 840004642A KR 1019830001333 A KR1019830001333 A KR 1019830001333A KR 830001333 A KR830001333 A KR 830001333A KR 840004642 A KR840004642 A KR 840004642A
Authority
KR
South Korea
Prior art keywords
resistor
control circuit
image control
television
capacitor
Prior art date
Application number
KR1019830001333A
Other languages
Korean (ko)
Other versions
KR850000566B1 (en
Inventor
김근배
Original Assignee
허신구
주식회사 금성사
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 허신구, 주식회사 금성사 filed Critical 허신구
Priority to KR1019830001333A priority Critical patent/KR850000566B1/en
Publication of KR840004642A publication Critical patent/KR840004642A/en
Application granted granted Critical
Publication of KR850000566B1 publication Critical patent/KR850000566B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
    • H04N3/223—Controlling dimensions

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)

Abstract

내용 없음No content

Description

텔레비젼의 화상 조정 회로TV's image control circuit

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

제1도는 본 발명의 회로도. 제2도는 페데스탈 크램프 동작 설명도로서1 is a circuit diagram of the present invention. 2 is an explanatory diagram of the pedestal clamp operation.

제2(a)도는 브라이트 자동휘도 제한(Bright ABL)만이 있는 종래의 흑레벨의 변화도.FIG. 2 (a) is a variation of the conventional black level with only Bright ABL.

제2(b)도는 콘트라스트 자동휘도제한(Contrast ABL)만이 있는 종래의 흑레벨의 변화도.FIG. 2 (b) is a variation of the conventional black level with only contrast ABL.

제2(c)도는 본 발명의 흑레벨의 변화로.2 (c) is a change in the black level of the present invention.

제3도는 영상 증폭회로의 입력대 출력 특정도.3 is an input-to-output specification of an image amplifying circuit.

Claims (1)

텔레비젼의 화상 조정회로에 있어서, 저항(R1-R3) 및 콘덴서(C1)로 구성된 자동 휘도 제한 검출부(2)를 다이오드(D1, D2), 콘덴서(C2) 및 트랜지스터(Q1)의 베이스에 접속시키고, 트랜지터(Q1)의 에미터에접속된 가변저항(VR2)에 직류 브라이트 조절단자(가)에 접속시키며,저항R5)(R6) 사이에 접속된 가변변저항(VR2)에 직류 브라이트 조절단자(다)와 직렬접속된 저항(R4), 다이오드(D2)를 접속시키어, 자동휘도 제한 검출부(2)의 출력에 의해 휘도 및 증폭도를 제한해 주므로서 흑레벨을 적정화시키는 텔레비젼의 화상 조정회로.In an image adjustment circuit of a television, an automatic luminance limit detection unit 2 composed of resistors R 1 -R 3 and a capacitor C 1 is provided with a diode D 1 , D 2 , a capacitor C 2 , and a transistor Q. 1) sikimyeo connected to the base of and, transfection connected to a variable resistance (DC Bright control terminal (a) to VR 2) connected to the emitter of the jitter (Q 1), the connection between the resistor R 5) (R 6) By connecting the DC bright control terminal (C) and the resistor (R 4 ) and the diode (D 2 ) connected in series with the variable resistance resistor (VR 2 ), the brightness and amplification degree are limited by the output of the automatic brightness limit detection unit (2). The image adjustment circuit of the television which optimizes a black level by doing it. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019830001333A 1983-03-31 1983-03-31 Picture adjustment circuit in television receiver KR850000566B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019830001333A KR850000566B1 (en) 1983-03-31 1983-03-31 Picture adjustment circuit in television receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019830001333A KR850000566B1 (en) 1983-03-31 1983-03-31 Picture adjustment circuit in television receiver

Publications (2)

Publication Number Publication Date
KR840004642A true KR840004642A (en) 1984-10-22
KR850000566B1 KR850000566B1 (en) 1985-04-26

Family

ID=19228585

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019830001333A KR850000566B1 (en) 1983-03-31 1983-03-31 Picture adjustment circuit in television receiver

Country Status (1)

Country Link
KR (1) KR850000566B1 (en)

Also Published As

Publication number Publication date
KR850000566B1 (en) 1985-04-26

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Legal Events

Date Code Title Description
E902 Notification of reason for refusal
G160 Decision to publish patent application
O035 Opposition [patent]: request for opposition

Free format text: OPPOSITION NUMBER: 001985001310; OPPOSITION DATE: 19850626