KR970017726A - Low noise high pressure generator - Google Patents

Low noise high pressure generator Download PDF

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Publication number
KR970017726A
KR970017726A KR1019950032300A KR19950032300A KR970017726A KR 970017726 A KR970017726 A KR 970017726A KR 1019950032300 A KR1019950032300 A KR 1019950032300A KR 19950032300 A KR19950032300 A KR 19950032300A KR 970017726 A KR970017726 A KR 970017726A
Authority
KR
South Korea
Prior art keywords
fbt
high pressure
output
driving
monitor
Prior art date
Application number
KR1019950032300A
Other languages
Korean (ko)
Other versions
KR100190588B1 (en
Inventor
강범구
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.)
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Publication date
Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019950032300A priority Critical patent/KR100190588B1/en
Publication of KR970017726A publication Critical patent/KR970017726A/en
Application granted granted Critical
Publication of KR100190588B1 publication Critical patent/KR100190588B1/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/42—Flyback transformers

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)

Abstract

본 발명은 모니터의 고압발생장치에 관한 것으로서, 전원부에서 출력되는 전원을 인가받아 고압을 발생하여 CRT에 인가하는 FBT와, 상기 FBT의 동작을 제어하는 수평출력회로와, 상기 수평출력회로의 출력신호를 인가받아 상기 FBT를 구동하는 FBT구동부클 구비하는 모니터의 고압발생장치에 있어서, 상기 전원부의 출력단에 접속되어 상기 FBT로 출력되는 고압을 일정하게 유지하는 고압조절장치와, 상기 고압조절장치에 소정신호를 출력하여 상기 FBT에 인가되는 고압을 서서히 상승시키는 소음방지부를 구비하여 모니터의 초기 구동시에 CRT에 인가되는 고압을 서서히 인가하여 순간적인 고압의 인가로 인한 소음을 방지하는 것이다.The present invention relates to a high pressure generating device of a monitor, comprising: an FBT for receiving a power output from a power supply unit and generating a high voltage to a CRT, a horizontal output circuit for controlling the operation of the FBT, and an output signal of the horizontal output circuit. A high pressure generating device for a monitor having an FBT driving hook for driving the FBT, the high pressure regulating device being connected to an output terminal of the power supply unit and maintaining a high pressure outputted to the FBT constantly, and the predetermined high pressure regulating device. It is provided with a noise prevention unit for gradually increasing the high pressure applied to the FBT by outputting a signal to gradually apply a high pressure applied to the CRT during the initial driving of the monitor to prevent noise due to the instantaneous application of high pressure.

Description

저소음고압발생장치Low noise high pressure generator

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

제2도는 본 발명에 따른 저소음고압발생장치를 나타내는 회로도.Figure 2 is a circuit diagram showing a low noise high pressure generating device according to the present invention.

Claims (2)

전원부(10)에서 출력되는 전원을 인가받아 고압을 발생하여 CRT에 인가하는 FBT(30)와, 상기 FBT(30)의 동작을 제어하는 수평출력히로(40)와, 상기 수평출력회로(40)의 출력신호를 인가받아 상기 FBT(30)를 구동하는 FBT구동부(50)를 구비하는 모니터의 고압발생장치에 있어서, 상기 전원부(10)의 출력단에 접속되어 상기 FBT(30)로 출력되는 B+전압을 일정하는 유지하는 고압조절장치(20)와, 상기 고압조절장치(20)에 신호를 출력하여 상기 FBT(30)에 인가되는 고압을 서서히 상승시키는 소음방지부(50)를 구비하는 것을 특징으로 하는 저소음고압발생장치.An FBT 30 that receives the power output from the power supply unit 10 and generates a high voltage to the CRT, a horizontal output heater 40 for controlling the operation of the FBT 30, and the horizontal output circuit 40. In the high-voltage generator of the monitor having an FBT driver 50 for driving the FBT (30) by receiving the output signal of the output, the B + voltage connected to the output terminal of the power supply unit 10 and output to the FBT (30) It characterized in that it comprises a high-pressure control device 20 to maintain a constant and a noise prevention unit 50 for outputting a signal to the high-pressure control device 20 to gradually increase the high pressure applied to the FBT (30). Low noise high pressure generator. 제1항에 있어서, 상기 소음방지부(60)는 구동전원(Vcc)의 인가시간을 조절하는 저항(R1) 및 콘덴서(C3)와, 상기 콘덴서(C3)의 출력단에 접속되어 구동전원(Vcc)를 스위칭하는 트랜지스터(Q2)와, 상기 트랜지스터(Q2)의 콜렉터단에 접속되어 역전압을 방지하는 다이오드(D)로 이루어진 것을 특징으로 하는 저소음고압발생장치.According to claim 1, wherein the noise prevention unit 60 is connected to the output terminal of the resistor (R1) and condenser (C3) and the condenser (C3) for adjusting the application time of the driving power source (Vcc) driving power (Vcc) And a diode (D) connected to a collector terminal of the transistor (Q2) for preventing a reverse voltage. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950032300A 1995-09-28 1995-09-28 A high voltage occurring with lower noise skill KR100190588B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950032300A KR100190588B1 (en) 1995-09-28 1995-09-28 A high voltage occurring with lower noise skill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950032300A KR100190588B1 (en) 1995-09-28 1995-09-28 A high voltage occurring with lower noise skill

Publications (2)

Publication Number Publication Date
KR970017726A true KR970017726A (en) 1997-04-30
KR100190588B1 KR100190588B1 (en) 1999-06-01

Family

ID=19428137

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950032300A KR100190588B1 (en) 1995-09-28 1995-09-28 A high voltage occurring with lower noise skill

Country Status (1)

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KR (1) KR100190588B1 (en)

Also Published As

Publication number Publication date
KR100190588B1 (en) 1999-06-01

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