KR930005446A - Negative circuit of black and white video signal - Google Patents

Negative circuit of black and white video signal Download PDF

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Publication number
KR930005446A
KR930005446A KR1019910014234A KR910014234A KR930005446A KR 930005446 A KR930005446 A KR 930005446A KR 1019910014234 A KR1019910014234 A KR 1019910014234A KR 910014234 A KR910014234 A KR 910014234A KR 930005446 A KR930005446 A KR 930005446A
Authority
KR
South Korea
Prior art keywords
video signal
black
negative circuit
white video
control signal
Prior art date
Application number
KR1019910014234A
Other languages
Korean (ko)
Other versions
KR940002240B1 (en
Inventor
강병석
Original Assignee
강진구
삼성전자 주식회사
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 강진구, 삼성전자 주식회사 filed Critical 강진구
Priority to KR1019910014234A priority Critical patent/KR940002240B1/en
Publication of KR930005446A publication Critical patent/KR930005446A/en
Application granted granted Critical
Publication of KR940002240B1 publication Critical patent/KR940002240B1/en

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors

Landscapes

  • Controls And Circuits For Display Device (AREA)
  • Picture Signal Circuits (AREA)

Abstract

내용 없음.No content.

Description

흑백 비데오 신호의 음화 회로Negative circuit of black and white video signal

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 회로도,1 is a circuit diagram of the present invention,

제2도는 본 발명의 실시예.2 is an embodiment of the present invention.

Claims (1)

비데오 신호를 디스플레이 시키는 음극선관(CRT)이 구성된 TV에 있어서, 비데오 신호를 반전 및 비반전시키는 트랜지스터(Q1)와 상기 반전 및 비반전된 비데오 신호를 제어부(20)의 제어신호에 따라 선택하여 음극선관(CRT)으로 출력시키는 스위치(SW1)로 구성된 절환부(10)와, 마이콤(5)의 제어신호 레벨에 따라 상기 절환부(10)의 스위치(SW1)로 제어신호를 출력시키는 트랜지스터(Q2)로 구성된 제어부(20)를 구성시킨 흑백 비데오 신호의 음화회로.In a TV configured with a cathode ray tube (CRT) for displaying a video signal, a transistor (Q1) for inverting and non-inverting a video signal and the inverted and non-inverted video signal are selected in accordance with a control signal of the control unit 20 to make a cathode ray. A switching unit 10 including a switch SW1 for outputting to the tube CRT, and a transistor Q2 for outputting a control signal to the switch SW1 of the switching unit 10 according to the control signal level of the microcomputer 5. Negative circuit of a black and white video signal comprising a control unit 20 consisting of. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910014234A 1991-08-17 1991-08-17 Black and white video signal circuit KR940002240B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910014234A KR940002240B1 (en) 1991-08-17 1991-08-17 Black and white video signal circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910014234A KR940002240B1 (en) 1991-08-17 1991-08-17 Black and white video signal circuit

Publications (2)

Publication Number Publication Date
KR930005446A true KR930005446A (en) 1993-03-23
KR940002240B1 KR940002240B1 (en) 1994-03-19

Family

ID=19318728

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910014234A KR940002240B1 (en) 1991-08-17 1991-08-17 Black and white video signal circuit

Country Status (1)

Country Link
KR (1) KR940002240B1 (en)

Also Published As

Publication number Publication date
KR940002240B1 (en) 1994-03-19

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