JPS6395155U - - Google Patents
Info
- Publication number
- JPS6395155U JPS6395155U JP18913986U JP18913986U JPS6395155U JP S6395155 U JPS6395155 U JP S6395155U JP 18913986 U JP18913986 U JP 18913986U JP 18913986 U JP18913986 U JP 18913986U JP S6395155 U JPS6395155 U JP S6395155U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- image quality
- frame
- electron beam
- quality compensation
- 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
- 238000010894 electron beam technology Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Details Of Television Scanning (AREA)
Description
第１図は本考案の画質補償装置に使用する速度
変調コイルの構成を示す斜視図、第２図は速度変
調コイルの電気的接続関係を説明する回路図、第
３図は上記速度変調コイルによる磁界分布を示す
説明図、第４図は一般的な速度変調による画質補
償の原理を説明する信号波形図、第５図は従来の
画質補償装置に用いられている速度変調コイルの
構成を示す斜視図、第６図はその速度変調コイル
の取付状態を示す斜視図、第７図は従来の速度変
調コイルによる磁界分布を示す説明図である。
１０……カラー受像管ネツク、１１……速度変
調コイル、１２，１３……コイル部、１２１，１
３１……外側コイル、１２２，１３２……内側コ
イル。
FIG. 1 is a perspective view showing the configuration of the speed modulation coil used in the image quality compensation device of the present invention, FIG. 2 is a circuit diagram explaining the electrical connection relationship of the speed modulation coil, and FIG. An explanatory diagram showing magnetic field distribution, Fig. 4 is a signal waveform diagram explaining the principle of image quality compensation by general speed modulation, and Fig. 5 is a perspective view showing the configuration of a speed modulation coil used in a conventional image quality compensation device. FIG. 6 is a perspective view showing the mounting state of the speed modulation coil, and FIG. 7 is an explanatory diagram showing the magnetic field distribution due to the conventional speed modulation coil. 10... Color picture tube network, 11... Velocity modulation coil, 12, 13... Coil section, 121, 1
31...outer coil, 122, 132...inner coil.
Claims (1)
包囲する円筒状のネツク部を有するカラー受像管
の、そのネツク部外周に速度変調コイルを配置し
、この速度変調コイルに映像の輝度変化部分で各
電子ビームの走査速度を変調する信号を供給し、
画質補償を行うようにした画質補償装置において
、 前記速度変調コイルは、前記電子ビーム通路を
挾んで対向配置した１対のコイル部を有し、各コ
イル部がそれぞれ、枠状の第１のコイルおよびこ
の第１のコイルの枠内に設けられた枠状の第２の
コイルとで形成され、この速度変調コイルによる
磁界が前記３本の電子ビームに対して均等に作用
するようにしたことを特徴とする画質補償装置。[Claims for Utility Model Registration] A color picture tube has a cylindrical neck portion that surrounds three electron beam paths arranged in-line, and a speed modulation coil is disposed around the outer periphery of the neck portion. Provides a signal that modulates the scanning speed of each electron beam in the brightness changing part of the image,
In the image quality compensation device configured to perform image quality compensation, the speed modulation coil has a pair of coil parts disposed opposite to each other across the electron beam path, and each coil part is connected to a frame-shaped first coil. and a frame-shaped second coil provided within the frame of this first coil, so that the magnetic field by this velocity modulation coil acts equally on the three electron beams. Characteristic image quality compensation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18913986U JPS6395155U (en) | 1986-12-10 | 1986-12-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18913986U JPS6395155U (en) | 1986-12-10 | 1986-12-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6395155U true JPS6395155U (en) | 1988-06-20 |
Family
ID=31141165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18913986U Pending JPS6395155U (en) | 1986-12-10 | 1986-12-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6395155U (en) |
-
1986
- 1986-12-10 JP JP18913986U patent/JPS6395155U/ja active Pending
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