KR0126832Y1 - Monitor's electromagnetic wave elimination device - Google Patents
Monitor's electromagnetic wave elimination device Download PDFInfo
- Publication number
- KR0126832Y1 KR0126832Y1 KR2019950019066U KR19950019066U KR0126832Y1 KR 0126832 Y1 KR0126832 Y1 KR 0126832Y1 KR 2019950019066 U KR2019950019066 U KR 2019950019066U KR 19950019066 U KR19950019066 U KR 19950019066U KR 0126832 Y1 KR0126832 Y1 KR 0126832Y1
- Authority
- KR
- South Korea
- Prior art keywords
- monitor
- flyback transformer
- wire
- voltage
- cathode ray
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
-
- 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
-
- 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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
본 고안은 모니터의 전자파 제거장치에 관한 것으로서, 특히 음전압이 인가되는 도전성 와이어(wire)를 이용하여 전자파의 원인인 노이즈성분을 제거함으로써, 모니터 내부에서 발생된 전자파를 외부에 방출되지 않도록 한 모니터의 전자파 제거장치에 관한 것이다. 이와같은 본 고안은 상기 음극선관의 소정위치에 횡으로 권선하여 플라이백 트랜스포머에서 출력되는 네거티브성분의 전압을 인가하는 제1와이어와, 상기 편향요크의 소정위치에서 횡으로 권선하여 플라이백 트랜스포머에서 출력되는 네거티브성분의 전압을 인가하는 제2와이어로 구성된다.The present invention relates to a device for removing electromagnetic waves of a monitor, and in particular, by removing a noise component that is the cause of electromagnetic waves by using a conductive wire to which negative voltage is applied, a monitor in which electromagnetic waves generated inside the monitor are not emitted to the outside. It relates to an electromagnetic wave removal device of. The present invention has a first wire for transversely winding at a predetermined position of the cathode ray tube to apply a voltage of a negative component output from a flyback transformer, and a transverse winding at a predetermined position of the deflection yoke for outputting from a flyback transformer. And a second wire for applying a voltage of a negative component.
Description
제1도는 종래 모니터의 전자기파 제거장치의 구성도.1 is a block diagram of an electromagnetic wave removing device of a conventional monitor.
제2도는 본 고안에 따른 모니터의 전자파 제거장치의 구성을 보인 도면.2 is a view showing the configuration of the electromagnetic wave removing device of the monitor according to the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 음극선관 2 : 편향오크1: cathode ray tube 2: deflection oak
3 : 플라이백 트랜스포머 4 : 기판3: flyback transformer 4: substrate
5 : 전자총 11, 12 : 제1와이어 및 제2와이어5: electron gun 11, 12: first wire and second wire
본 고안은 모니터의 전자파 제거장치에 관한 것으로서, 특히 음전압이 인가되는 도전성 와이어(wire)를 이용하여 전자파의 원인인 노이즈성분을 제거함으로써, 모니터 내부에서 발생된 전자파를 오부에 방출되지 않도록 한 모니터의 전자파 제거장치에 관한 것이다.The present invention relates to a device for removing electromagnetic waves of a monitor, and in particular, by removing a noise component, which is the cause of electromagnetic waves, by using a conductive wire to which negative voltage is applied, a monitor in which electromagnetic waves generated inside the monitor are not emitted to the wrong part. It relates to an electromagnetic wave removal device of.
일반적으로 모니터는 제1도에 도시된 바와 같이, 플라이백 트랜스포머(3)에 의해 전압을 발생시켜 음극선관(1)에 공급하고, 전자총(5)에서 주사된 빔을 편향오크(2)에 의해 수직 및 수평으로 편향시키게 되면, 그 편향된 빔은 플라이백 트랜스포머(3)의 고압에 의해 음극선관(1)의 형광막을 발광시키므로써 영상이 디스플레이 된다.In general, the monitor generates a voltage by the flyback transformer 3 and supplies it to the cathode ray tube 1, as shown in FIG. 1, and the beam scanned by the electron gun 5 by the deflection oak 2 When deflected vertically and horizontally, the deflected beam emits the fluorescent film of the cathode ray tube 1 by the high pressure of the flyback transformer 3 so that an image is displayed.
상기와 같은 일반적인 모니터는 고압을 발생시키는 플라이백 트랜스포머(3), 빔을 수직 및 수평으로 편향시키는 편향오크(2), 음극선관(1) 자체 및 주변회로에 의해 많은 전자파가 발생되고, 이는 인체에 유해함에 따라 각종 전자기기의 전자파가 일정범위 이상 방출되지 못하도록 규정하고 있으며, 전자파를 제거하기 위한 많은 장치가 제안 사용되고 있다. 즉, 종래의 모니터의 전자파 제거장치는 제1도에 도시된 바와 같이, 전자총(5)의 일측에 부착된 기판(4)에 알루미늄 플레이트로 구성된 차폐부재(6a)를 편향오크(2)의 상부까지 씌우고, 또한 플라이백 트랜스포머(3)의 외측에 동일한 재질의 차폐부재(6a)를 씌워 상기 편향오크(2) 및 플라이백 트랜스포머(3)로부터 발생되는 전파를 차단시키도록 구성된다.The general monitor as described above has a large amount of electromagnetic waves generated by a flyback transformer 3 generating high pressure, a deflection oak 2 deflecting the beam vertically and horizontally, a cathode ray tube 1 itself, and a peripheral circuit. As it is harmful to the electromagnetic waves of various electronic devices are prescribed not to be emitted over a certain range, many devices for removing the electromagnetic waves have been proposed and used. That is, in the conventional electromagnetic wave removing device of the monitor, as shown in FIG. It covers the shield member 6a of the same material on the outside of the flyback transformer 3 so as to block the radio wave generated from the deflection oak 2 and the flyback transformer 3.
그러나, 상기와 같은 종래의 모니터의 전자파 제거장치는 차폐부재(6a, 6b)가 알루미늄 플레이트를 사용함에 따라 편향오크(2) 및 플라이백 트랜스포머(3)에서 발생된 전자파가 외부로 방출되는 것을 방지할 수 있지만, 음극선관이나 기타 주변회로에서 발생되는 전자파를 규격 이하로 제거할 수 없을 뿐만아니라 제품의 중량 및 원가상승의 요인이 되는 문제점이 있다.However, the electromagnetic wave removing device of the conventional monitor as described above prevents the electromagnetic wave generated in the deflection oak 2 and the flyback transformer 3 from being emitted to the outside as the shielding members 6a and 6b use aluminum plates. However, the electromagnetic wave generated in the cathode ray tube or other peripheral circuit can not be removed to below the standard, there is a problem that causes the weight and cost of the product.
본 고안은 이와 같은 문제점을 해결하기 위한 것으로서, 전자파의 발생원인이 되는 노이즈 성분을 제거하기 위한 도전성 와이어를 고정 설치하고, 그 와이어에 플라이백 트랜스포머에서 발생된 네거티브성분의 전위를 인가하여 플라이백 트랜스포머, 음극선관 및 주변회로로부터 생성된 전자파를 보다 효율적으로 감소시킴으로써 생산성을 높이고, 원가를 절감할 수 있는 모니터의 전자파 제거장치를 제공하는데 본 고안의 목적이 있다.The present invention is to solve such a problem, and fixedly install a conductive wire to remove the noise component that is the source of electromagnetic waves, by applying the potential of the negative component generated by the flyback transformer to the wire flyback transformer It is an object of the present invention to provide an electromagnetic wave elimination device of a monitor that can increase productivity and reduce costs by efficiently reducing electromagnetic waves generated from cathode ray tubes and peripheral circuits.
이와 같은 본 고안의 목적은 화상을 디스플레이시키는 음극선과, 음극선과에 고압을 공급하는 플라이백 트랜스포머, 전자총에서 발생됨 빔을 편향시키는 평향요크로 구성된 모니터에 있어서, 상기 음극선관의 소정위치에 횡으로 권선하여 플라이백 트랜스포머에서 출력되는 네거티브성분의 전압을 인가하는 제 1와이어와, 상기 편향오크의 소정위치에 횡으로 권선하여 플라이백 트랜스포머에서 출력되는 네거티브성분의 전압을 인가하는 제2와이어로 구성됨을 특징으로 하는 모니터의 전자파 제거장치를 제공함으로써 달성될 수 있다.The purpose of the present invention is to monitor the image consisting of a cathode ray for displaying an image, a flyback transformer for supplying a high pressure to the cathode ray, and a deflection yoke generated by an electron gun. A first wire for applying a voltage of a negative component output from a flyback transformer and a second wire for winding a side of the deflection oak in a predetermined position to apply a voltage of a negative component output from a flyback transformer. It can be achieved by providing an electromagnetic wave removing device of the monitor.
이하 본 고안에 따른 모니터의 전자파 제거장치를 첨부된 도면에 의거하여 보다 상세하게 설명한다.Hereinafter, the electromagnetic wave removing device of the monitor according to the present invention will be described in more detail with reference to the accompanying drawings.
제2도는 본 고안에 따른 모니터의 전자파 제거장치의 구성을 보인 평면도로서, 이에 도시된 바와 같이 제1와이어(11)는 음극선관(1)의 소정위치에 횡으로 권선하고, 플라이백 트랜스포머(3)에서 발생된 네거티브성분의 전압(b1)을 인가하여 음극선관(1)의 자체에서 발생된 포지티브성분의 노이즈성분이 제거되도록 한다.2 is a plan view showing the configuration of the electromagnetic wave removing device of the monitor according to the present invention, as shown therein, the first wire 11 is wound horizontally at a predetermined position of the cathode ray tube 1, and the flyback transformer 3 The negative component voltage b1 generated in) is applied to remove the noise component of the positive component generated in the cathode ray tube 1 itself.
또한 제2와이어(12)는 편향오크(2)의 소정위치에 횡으로 권선하고, 플라이백 트랜스포머(3)에서 발생된 네거티브성분의 전압(b2)을 인가하여 편향오크(2)에서 발생되는 포지티브성분의 노이즈성분이 제거되도록 한다.In addition, the second wire 12 is wound sideways at a predetermined position of the deflection oak 2, and a positive voltage generated in the deflection oak 2 is applied by applying a voltage b2 of a negative component generated by the flyback transformer 3. The noise component of the component is removed.
상기 고압(b1,b2)은 수평주파수별로 음극선관(1) 및 편향오크(2)에서 발생되는 포지티브성분의 노이즈의 크기에 따라 가변되도록 한다.The high pressures b1 and b2 are varied according to the magnitude of the noise of the positive component generated in the cathode ray tube 1 and the deflection oak 2 for each horizontal frequency.
즉 음극선관(1)의 주변에 감긴 와이어를 통해 인가되는 네거티브전압(b1)은 약 -220Vpp이며, 편향오크(2)에 인가되는 전압(b2)은 약 -130Vpp 되도록 구성된다.That is, the negative voltage b1 applied through the wire wound around the cathode ray tube 1 is about -220 Vpp, and the voltage b2 applied to the deflection oak 2 is about -130 Vpp.
이와 같이 이루어진 본 고안은 플라이백 트랜스포머(3)에 의해 고압을 발생시켜 음극선관(1)에 공급하고, 전자총(5)에서 생성된 전자빔을 편향오크(2)에 의해 수직 및 수평으로 편향시키게 되면, 그 편향된 전자빔은 음극선관(1)에 형광막을 발광시키게 된다.The present invention made as described above generates high pressure by the flyback transformer 3 and supplies it to the cathode ray tube 1, and when the electron beam generated by the electron gun 5 is deflected vertically and horizontally by the deflection oak 2. The deflected electron beam causes the cathode ray tube 1 to emit a fluorescent film.
그때 전자빔에 의해 디스플레이되는 음극선관(1)에서 발생되어 전자파가 발생되는 포지티브성분의 노이즈는 제1와이어(11)를 통해 입력되는 플라이백 트랜스포머(3)에서 발생된 전압(b1)에 의해 상쇄되며, 또한 편향오크(2)에서 발생되는 포지티브성분의 노이즈는 제2와이어(12)를 통해 입력되는 전압(b2)에 의해 상쇄된다.At this time, the noise of the positive component generated in the cathode ray tube 1 displayed by the electron beam to generate the electromagnetic wave is canceled by the voltage b1 generated in the flyback transformer 3 input through the first wire 11. In addition, the noise of the positive component generated in the deflection oak 2 is canceled by the voltage b2 input through the second wire 12.
즉, 상기 음극선관(1) 및 편향오크(2)에 의해 발생된 포지티브성분의 노이즈가 전압(b1,b2)에 의해 상쇄되어 전자파가 제거된다.That is, the noise of the positive component generated by the cathode ray tube 1 and the deflection oak 2 is canceled by the voltages b1 and b2 to remove the electromagnetic waves.
이상에서 설명한 바와 같이 본 고안에 따른 모니터의 전자파제거장치는 노이즈성분을 제거할 수 있는 와이어를 소정의 위치에 고정하고, 그 와이어를 통해 플라이백 트랜스포머에서 발생된 네거티브성분의 전압을 인가하여 포지티브성분의 노이즈가 제거되면, 그 노이즈에 의해 발생되는 전자파가 제거되어 전자파를 보다 효율적으로 감소시키고, 생산원가를 절감할 수 있는 효과가 있다.As described above, the electromagnetic wave elimination device of the monitor according to the present invention fixes a wire capable of removing a noise component at a predetermined position, and applies a negative component voltage generated by the flyback transformer through the wire to form a positive component. When the noise is removed, the electromagnetic wave generated by the noise is removed, thereby reducing the electromagnetic wave more efficiently and reducing the production cost.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019950019066U KR0126832Y1 (en) | 1995-07-28 | 1995-07-28 | Monitor's electromagnetic wave elimination device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019950019066U KR0126832Y1 (en) | 1995-07-28 | 1995-07-28 | Monitor's electromagnetic wave elimination device |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970007551U KR970007551U (en) | 1997-02-21 |
KR0126832Y1 true KR0126832Y1 (en) | 1998-12-15 |
Family
ID=19419457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019950019066U KR0126832Y1 (en) | 1995-07-28 | 1995-07-28 | Monitor's electromagnetic wave elimination device |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0126832Y1 (en) |
-
1995
- 1995-07-28 KR KR2019950019066U patent/KR0126832Y1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR970007551U (en) | 1997-02-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI90598B (en) | Method and coupling for reducing harmful radiation caused by a cathode ray tube | |
KR0126832Y1 (en) | Monitor's electromagnetic wave elimination device | |
KR940023210A (en) | Leakage field canceller for cathode ray tube display | |
CN1118963A (en) | Dynamic focus circuit | |
EP0708474B1 (en) | Cathode-ray tube display unit in which unwanted radiant electric field from face plate of cathode-ray tube is decreased | |
JP3354665B2 (en) | Image display device | |
KR100225045B1 (en) | Front field noise suppression device of video display device | |
CN1079181C (en) | Electromagnetic field shielding circuit for displayer | |
KR100220007B1 (en) | Rear Radiation Field Shielding Device of Image Display Equipment | |
KR930022437A (en) | Display device with display, window | |
JPH07298169A (en) | Image display device | |
US6215259B1 (en) | Apparatus for compensating for corner focus and brightness in cathode ray tube | |
KR0171737B1 (en) | Noise shielding equipment | |
KR960011770B1 (en) | Cathode ray tube screening arrangement | |
JP3218887B2 (en) | Cathode ray tube display | |
JP3595079B2 (en) | Cathode ray tube | |
JP3100459B2 (en) | Cathode ray tube device | |
KR0136828Y1 (en) | High pressure rectifier of CRT | |
RU2160510C2 (en) | Video display with circuit for suppression of undesired radiation from cathode-ray tube | |
KR200189296Y1 (en) | Degaussing coil in cathode ray tube | |
JPH06209442A (en) | Picture display device | |
KR100549831B1 (en) | Cathode ray tube display device | |
JP3146061B2 (en) | Cathode ray tube and cathode ray tube image display | |
JP2001119645A (en) | Leakage electric field canceller for cathode-ray tube device | |
JPH07326307A (en) | Cathode ray tube and cathode ray tube display device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19950728 |
|
UA0201 | Request for examination |
Patent event date: 19950728 Patent event code: UA02012R01D Comment text: Request for Examination of Application |
|
UG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
UE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event code: UE09021S01D Patent event date: 19980303 |
|
E701 | Decision to grant or registration of patent right | ||
UE0701 | Decision of registration |
Patent event date: 19980608 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 19980713 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19980713 |
|
UG1601 | Publication of registration | ||
LAPS | Lapse due to unpaid annual fee |