KR960033145A - CDT's low frequency electromagnetic shielding device - Google Patents

CDT's low frequency electromagnetic shielding device Download PDF

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Publication number
KR960033145A
KR960033145A KR1019950002316A KR19950002316A KR960033145A KR 960033145 A KR960033145 A KR 960033145A KR 1019950002316 A KR1019950002316 A KR 1019950002316A KR 19950002316 A KR19950002316 A KR 19950002316A KR 960033145 A KR960033145 A KR 960033145A
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KR
South Korea
Prior art keywords
circuit
electrode
frequency electromagnetic
synchronous signal
coil
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Application number
KR1019950002316A
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Korean (ko)
Inventor
노영호
Original Assignee
배순훈
대우전자 주식회사
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Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019950002316A priority Critical patent/KR960033145A/en
Publication of KR960033145A publication Critical patent/KR960033145A/en

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  • Coils Or Transformers For Communication (AREA)
  • Details Of Television Scanning (AREA)

Abstract

본 발명은 인체에 해로운 저주파 전자기파를 감소시킬 수 있도록 한 씨디티(Cathode Display Tube)의 저주파 전자기파 차단장치에 관한 것으로, 마이크로 컴퓨터로부터 입력되는 동기신호를 처리하는 동기신호 처리회로와, 상기 동기신호 처리회로로부터 입력되는 영상신호를 처리하여 씨디티로 디스플레이시키는 비디오 회로와, 상기 동기 신호 처리 회로에 의해 처리된 동기 신호중 수평 동기 신호를 수평 편향시켜 상기 씨디티로 출력시키는 수평 편향 회로와, 상기 동기신호 처리회로에 의해 처리된 동기 신호중 수직 동기 신호를 수직 편향시켜 씨디티로 출력시티는 수직 편향 회로와, 고압을 방생시켜 상기 씨디티로 인가시키는 플라이백 트랜스 포머를 포함하여 구성된 장치에 있어서, 상기 플라이백 트랜스포머의 코어에 내부 코일과 역방향으로 권선되어 권선수에 비례하여 유기되는 전압을 상쇄시키는 외부코일과, 씨디티의 애노우드 주변에 일측이 절개된 원형으로 설치되는 전극과, 상기 외부코일과 전극사이에 연결되고 저항과 콘덴서가 접속되어 외부코일에 의해 상쇄된 유기전압을 전극으로 전달하는 와이어 리드를 포함하여 이루어진 것이다.The present invention relates to a low frequency electromagnetic wave shielding device of a CD (Cathode Display Tube) which is capable of reducing low frequency electromagnetic waves harmful to a human body, and a synchronization signal processing circuit for processing a synchronization signal input from a microcomputer, and the synchronization signal processing. A video circuit for processing a video signal input from the circuit and displaying the video signal; a horizontal deflection circuit for horizontally deflecting a horizontal synchronizing signal among the synchronizing signals processed by the synchronizing signal processing circuit and outputting the horizontal synchronizing signal; A device comprising a vertical deflection circuit and a flyback transformer for generating a high voltage and applying a vertical deflection circuit to a CD to vertically deflect the vertical synchronization signal among the synchronization signals processed by the processing circuit. Winding in reverse with the internal coil on the core of the back transformer An external coil that cancels the voltage induced in proportion to the number of windings, an electrode installed in a circular shape with one side cut off around the anode of the CD, and connected between the external coil and the electrode and connected with a resistor and an external capacitor It includes a wire lead that transfers the induced voltage offset by the coil to the electrode.

Description

씨디티(CDT)의 저주파 전자기파 차단장치CDT's low frequency electromagnetic shielding device

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

제3도는 본 발명에 따른 저주파 전자기파 차단장치의 구성을 나타낸 도면.3 is a view showing the configuration of a low frequency electromagnetic wave shielding apparatus according to the present invention.

제4도는 본 발명의 전극 구성을 나타낸 도면.4 is a diagram showing an electrode configuration of the present invention.

제5도는 본 발명에 따른 플라이백 트랜스포머의 회로 구성도.5 is a circuit diagram of a flyback transformer according to the present invention.

Claims (3)

마이크로 컴퓨터로부터 입력되는 동기신호를 처리하는 동기신호 처리회로와, 상기 동기신호 처리회로로부터 입력되는 영상신호를 처리하여 씨디티로 디스플레이시키는 비디오 회로와, 상기 동기 신호 처리 회로에 의해 처리된 동기 신호중 수평 동기 신호를 수평 편향시켜 상기 씨디티로 출력시키는 수평 편향 회로와, 상기 동기신호 처리회로에 의해 처리된 동기 신호중 수직 동기 신호를 수직 편향시켜 씨디티로 출력시티는 수직 편향 회로와, 고압을 방생시켜 상기 씨디티로 인가시키는 플라이백 트랜스 포머를 포함하여 구성된 장치에 있어서, 상기 플라이백 트랜스포머의 코어에 내부 코일과 역방향으로 권선되어 권선수에 비례하여 유기되는 전압을 상쇄시키는 외부코일과, 씨디티의 애노우드 주변에 일측이 절개된 원형으로 설치되는 전극과, 상기 외부코일과 전극사이에 연결되고 저항과 콘덴서가 접속되어 외부코일에 의해 상쇄된 유기전압을 전극으로 전달하는 와이어 리드를 포함하여 구성한 것을 특징으로 하는 씨디티의 저주파 전자기파 차단장치.A synchronous signal processing circuit for processing a synchronous signal input from a microcomputer, a video circuit for processing a video signal input from the synchronous signal processing circuit and displaying it on a CD, and a horizontal signal among the synchronous signals processed by the synchronous signal processing circuit A horizontal deflection circuit for horizontally deflecting a synchronous signal and outputting it to the CD, and vertically deflecting a vertical synchronous signal of the synchronous signals processed by the synchronous signal processing circuit to generate a vertical deflection circuit and a high voltage with a CD An apparatus comprising a flyback transformer to be applied to the CD, the device comprising: an outer coil wound in the core of the flyback transformer in a reverse direction with an internal coil and canceling a voltage induced in proportion to the number of turns; An electrode installed in a circular shape with one side cut off around the anode, Group connected between the external coil and the electrode and the resistor and capacitor is connected to the tee, characterized in that CD is configured to include a lead wire for transmitting the induced voltage offset by the outer coil electrode as the low-frequency electromagnetic wave shielding apparatus. 제1항에 있어서, 상기 전극이 구리판 또는 흑연판으로 구성된 것을 특징으로 하는 씨디티의 저주파 전자기파 차단장치.The low frequency electromagnetic wave shielding device of claim 1, wherein the electrode is made of a copper plate or a graphite plate. 제1항에 있어서, 상기 와이어 리드에 포함되는 저항 및 콘덴서 그리고 외부 코일을 플라이백 트랜스 포머내부에 일체로 내장하여 구성한 것을 특징으로 하는 씨디티의 저주파 전자기파 차단장치.The low frequency electromagnetic wave blocking device of the CD according to claim 1, wherein the resistor, the condenser, and the external coil included in the wire lead are integrally incorporated in the flyback transformer. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950002316A 1995-02-09 1995-02-09 CDT's low frequency electromagnetic shielding device KR960033145A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950002316A KR960033145A (en) 1995-02-09 1995-02-09 CDT's low frequency electromagnetic shielding device

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Application Number Priority Date Filing Date Title
KR1019950002316A KR960033145A (en) 1995-02-09 1995-02-09 CDT's low frequency electromagnetic shielding device

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KR960033145A true KR960033145A (en) 1996-09-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980085667A (en) * 1997-05-29 1998-12-05 김영환 Monitor's electromagnetic interference removing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980085667A (en) * 1997-05-29 1998-12-05 김영환 Monitor's electromagnetic interference removing device

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