JPH01119282U - - Google Patents
Info
- Publication number
- JPH01119282U JPH01119282U JP1376288U JP1376288U JPH01119282U JP H01119282 U JPH01119282 U JP H01119282U JP 1376288 U JP1376288 U JP 1376288U JP 1376288 U JP1376288 U JP 1376288U JP H01119282 U JPH01119282 U JP H01119282U
- Authority
- JP
- Japan
- Prior art keywords
- picture tube
- color picture
- coils arranged
- degaussing
- correction coils
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 230000005347 demagnetization Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Description
第１図は本考案の１実施例を示す回路図である
。
１……カラー受像管、２……地磁気補正コイル
、３……消磁コイル、４……自動消磁装置、５，
６……直流電源、７……リレー電源、Ｐ１……北
向き磁界選択スイツチ、Ｐ２……東向き磁界選択
スイツチ、Ｐ３……南向き磁界選択スイツチ、Ｒ
１，Ｒ２，Ｒ３，Ｒ４……リレー。
FIG. 1 is a circuit diagram showing one embodiment of the present invention. 1...Color picture tube, 2...Geomagnetism correction coil, 3...Demagnetizing coil, 4...Automatic demagnetizing device, 5,
6...DC power supply, 7...Relay power supply, P1...North magnetic field selection switch, P2...East magnetic field selection switch, P3...South magnetic field selection switch, R
1, R2, R3, R4...Relay.
Claims (1)
の地磁気補正コイルと、この補正コイルに電流を
流す直流電源と、カラー受像管の外壁部近傍に配
設した複数の消磁コイルと、この消磁コイル減衰
電流を流す自動消磁装置と、これらを制御する回
路と、向きを選択する操作スイツチとを有するこ
とを特徴とするカラー受像管の色純度調整装置。 A pair of geomagnetic correction coils arranged in the tube axis direction at the front and rear of the color picture tube, a DC power supply that supplies current to the correction coils, a plurality of degaussing coils arranged near the outer wall of the color picture tube, and the demagnetization 1. A color purity adjustment device for a color picture tube, comprising an automatic degaussing device for flowing a coil attenuation current, a circuit for controlling these devices, and an operation switch for selecting a direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1376288U JPH01119282U (en) | 1988-02-03 | 1988-02-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1376288U JPH01119282U (en) | 1988-02-03 | 1988-02-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01119282U true JPH01119282U (en) | 1989-08-11 |
Family
ID=31224351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1376288U Pending JPH01119282U (en) | 1988-02-03 | 1988-02-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01119282U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS542624A (en) * | 1977-06-08 | 1979-01-10 | Hitachi Ltd | Automatic demagnetizing device |
| JPS6133094A (en) * | 1984-07-25 | 1986-02-15 | Fujitsu Ltd | Outer magnetic field erasing device for color display device |
| JPS61289787A (en) * | 1985-06-17 | 1986-12-19 | Mitsubishi Electric Corp | Color television receiver |
-
1988
- 1988-02-03 JP JP1376288U patent/JPH01119282U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS542624A (en) * | 1977-06-08 | 1979-01-10 | Hitachi Ltd | Automatic demagnetizing device |
| JPS6133094A (en) * | 1984-07-25 | 1986-02-15 | Fujitsu Ltd | Outer magnetic field erasing device for color display device |
| JPS61289787A (en) * | 1985-06-17 | 1986-12-19 | Mitsubishi Electric Corp | Color television receiver |
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