KR960006479A - High Voltage Generation Circuit of Monitor - Google Patents

High Voltage Generation Circuit of Monitor Download PDF

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Publication number
KR960006479A
KR960006479A KR1019940018790A KR19940018790A KR960006479A KR 960006479 A KR960006479 A KR 960006479A KR 1019940018790 A KR1019940018790 A KR 1019940018790A KR 19940018790 A KR19940018790 A KR 19940018790A KR 960006479 A KR960006479 A KR 960006479A
Authority
KR
South Korea
Prior art keywords
high voltage
circuit
monitor
output
transistor
Prior art date
Application number
KR1019940018790A
Other languages
Korean (ko)
Other versions
KR0123410B1 (en
Inventor
윤병남
Original Assignee
배순훈
대우전자 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 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019940018790A priority Critical patent/KR0123410B1/en
Publication of KR960006479A publication Critical patent/KR960006479A/en
Application granted granted Critical
Publication of KR0123410B1 publication Critical patent/KR0123410B1/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
    • H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
    • H04N3/19—Arrangements or assemblies in supply circuits for the purpose of withstanding high voltages

Abstract

본 발명은 모니터에 관한 것으로서, 입력되는 전원의 과전류를 방지하여 화면의 전체 밝기를 제어하기 위하여 발생된 고전압의 안정화시킬 수 있는 모니터의 고압 발생회로에 관한 것이다. 이와 같은 본 발명은 모드 스위칭될 때 낮아지는 주파수 변화에 따라 고압 트랜스포머의 응답 속도를 제어하기 위하여 고전압을 고압 안정화 회로에 인가시키는 속도 제어 수단이 더 포함되는 모니터의 고압 발생회로를 제공함으로써 달성될 수 있다.The present invention relates to a monitor, and to a high voltage generating circuit of a monitor capable of stabilizing a high voltage generated in order to prevent overcurrent of an input power source and to control overall brightness of a screen. The present invention can be achieved by providing a high voltage generating circuit of a monitor further comprising a speed control means for applying a high voltage to the high voltage stabilization circuit to control the response speed of the high voltage transformer in response to the frequency change lowered when the mode is switched. have.

Description

모니터의 고압 발생회로High Voltage Generation Circuit of Monitor

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

제1도는 일반적인 모니터에 적용되는 고압 발생회로의 구성을 보인 도면.1 is a view showing the configuration of a high-voltage generating circuit applied to a general monitor.

제2도는 본 발명에 적용되는 모니터의 고압 발생회로의 구성을 보인 도면.2 is a view showing the configuration of a high-voltage generating circuit of the monitor applied to the present invention.

Claims (2)

입력되는 수평 동기 신호에 의해 절환되는 스위칭 상태에 따라 입력회로에서 출력되는 전압을 고압으로 발생시키고, 출력회로에서 출력되는 고압을 고압 안정화 회로에서 검출하여 입력회로에서 출력되는 전압의 크기를 제어하는 모니터에 있어서, 모드 스위칭될 때 낮아지는 주파수의 변화에 따라 고압 트랜스포머의 응답속도를 제어하기 위하여 고전압을 고압 안정화 회로에 인가시키는 속도 제어 수단이 더 포함됨을 특징으로 하는 모니터의 고압 발생회로.A monitor that generates the voltage output from the input circuit at high voltage according to the switching state switched by the input horizontal sync signal, and controls the magnitude of the voltage output from the input circuit by detecting the high voltage output from the output circuit at the high voltage stabilization circuit. The high voltage generation circuit of a monitor according to claim 1, further comprising a speed control means for applying a high voltage to the high voltage stabilization circuit to control the response speed of the high voltage transformer in response to a change in frequency lowered when the mode is switched. 제1항에 있어서, 상기 속도 제어 수단은 모든 스위칭시 마이크로 프로세서에서 출력되는 신호를 바이어스 시키는 저항(R51)과, 상기 저항(R51)을 통한 제어 신호에 따라 온/오프되는 트랜지스터(Q51)와, 상기 트랜지스터(Q51)이 턴온되면, 역바이어스가 걸려 출력회로(30)의 출력 전압을 고압 안정화 회로(40)에 인가시키고, 트랜지스터(Q51)가 턴오프되면, 정바이어스가 걸려 고전압(B2)을 고압 안정화 회로(40)에 인가시키는 다이오드(D51)로 구성됨을 특징으로 하는 모니터의 고압 발생회로.According to claim 1, wherein the speed control means is a resistor (R 51 ) for biasing the signal output from the microprocessor during all switching, and the transistor (Q 51) on / off in accordance with the control signal through the resistor (R 51 ) When the transistor Q 51 is turned on, a reverse bias is applied, and the output voltage of the output circuit 30 is applied to the high voltage stabilization circuit 40. When the transistor Q 51 is turned off, a positive bias is applied. High voltage generating circuit of the monitor, characterized in that consisting of a diode (D 51 ) for applying a high voltage (B2) to the high voltage stabilization circuit (40). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940018790A 1994-07-30 1994-07-30 Circuit for generating high voltage of a monitor KR0123410B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940018790A KR0123410B1 (en) 1994-07-30 1994-07-30 Circuit for generating high voltage of a monitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940018790A KR0123410B1 (en) 1994-07-30 1994-07-30 Circuit for generating high voltage of a monitor

Publications (2)

Publication Number Publication Date
KR960006479A true KR960006479A (en) 1996-02-23
KR0123410B1 KR0123410B1 (en) 1997-11-18

Family

ID=19389447

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940018790A KR0123410B1 (en) 1994-07-30 1994-07-30 Circuit for generating high voltage of a monitor

Country Status (1)

Country Link
KR (1) KR0123410B1 (en)

Also Published As

Publication number Publication date
KR0123410B1 (en) 1997-11-18

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