JPH03107881U - - Google Patents
Info
- Publication number
- JPH03107881U JPH03107881U JP1565190U JP1565190U JPH03107881U JP H03107881 U JPH03107881 U JP H03107881U JP 1565190 U JP1565190 U JP 1565190U JP 1565190 U JP1565190 U JP 1565190U JP H03107881 U JPH03107881 U JP H03107881U
- Authority
- JP
- Japan
- Prior art keywords
- holder
- fixed
- focus
- focus magnet
- fitted
- 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 1
- 239000013589 supplement Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Description
第１図は、この考案のフオーカスマグネツト組
み立て体の一実施例を示す概略構成図、第２，３
図は、それぞれこの考案のフオーカスマグネツト
組み立て体の各変形例を示す概略構成図、第４図
は、従来のフオーカスマグネツト組み立て体の一
例を示す概略構成図である。
５…ＣＲＴ受像管、１１，２１，３１…フオー
カスマグネツト組み立て体、１３，２２，３４…
固定ホルダ、１４，２４，３２…可動ホルダ、１
５…フオーカスマグネツト、１６…止めバンド、
１９，２５，３５…止めねじ。
FIG. 1 is a schematic configuration diagram showing one embodiment of the focus magnet assembly of this invention, and FIG.
The figures are schematic diagrams showing various modifications of the focus magnet assembly of this invention, and FIG. 4 is a schematic diagram showing an example of a conventional focus magnet assembly. 5... CRT picture tube, 11, 21, 31... Focus magnet assembly, 13, 22, 34...
Fixed holder, 14, 24, 32...Movable holder, 1
5...Focus magnet, 16...Stop band,
19, 25, 35... Set screw.
Claims (1)
定ホルダと、この固定ホルダに対し軸周りに回転
可能に嵌合する可動ホルダと、この可動ホルダに
保持され、前記ＣＲＴ受像管内の電子ビームを電
磁集束するフオーカスマグネツトとを具備するフ
オーカスマグネツト組み立て体。 (2) 前記固定ホルダは、通電により磁界を発生
し、前記フオーカスマグネツトの磁力を補うフオ
ーカスコイルを保持することを特徴とする請求項
１記載のヘオーカスマグネツト組み立て体。[Scope of Claim for Utility Model Registration] (1) A cylindrical fixed holder that is fitted and fixed to a CRT picture tube, a movable holder that is fitted to this fixed holder so as to be rotatable around an axis, and held by this movable holder. and a focus magnet for electromagnetically focusing an electron beam in the CRT picture tube. (2) The focus magnet assembly according to claim 1, wherein the fixed holder holds a focus coil that generates a magnetic field when energized to supplement the magnetic force of the focus magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1565190U JPH03107881U (en) | 1990-02-21 | 1990-02-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1565190U JPH03107881U (en) | 1990-02-21 | 1990-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03107881U true JPH03107881U (en) | 1991-11-06 |
Family
ID=31518944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1565190U Pending JPH03107881U (en) | 1990-02-21 | 1990-02-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03107881U (en) |
-
1990
- 1990-02-21 JP JP1565190U patent/JPH03107881U/ja active Pending
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