JPS62161752U - - Google Patents
Info
- Publication number
- JPS62161752U JPS62161752U JP5022286U JP5022286U JPS62161752U JP S62161752 U JPS62161752 U JP S62161752U JP 5022286 U JP5022286 U JP 5022286U JP 5022286 U JP5022286 U JP 5022286U JP S62161752 U JPS62161752 U JP S62161752U
- Authority
- JP
- Japan
- Prior art keywords
- annular
- fine adjustment
- outer circumference
- annular coil
- magnetic
- 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 description 2
Landscapes
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
Description
第１図および第２図は本考案の電子ビーム集束
用磁気回路の縦断面説明図。第３図は従来の同上
磁気回路の縦断面説明図である。
１：環状永久磁石、２ａ，２ｂ：環状ポールピ
ース、３：磁界強度調整用環状コイル。
1 and 2 are longitudinal cross-sectional explanatory views of the magnetic circuit for electron beam focusing of the present invention. FIG. 3 is an explanatory longitudinal cross-sectional view of the conventional magnetic circuit same as above. 1: Annular permanent magnet, 2a, 2b: Annular pole piece, 3: Annular coil for adjusting magnetic field strength.
Claims (1)
する磁界強度微調整用環状コイルと、その外周に
嵌合し軸方向に磁極を有する環状永久磁石と、該
環状永久磁石の両側端面に接し前記磁界強度微調
整用環状コイル外周に嵌合する左右一組の環状ポ
ールピースとが同軸に構成されていることを特徴
とする電子ビーム集束用磁気回路。 an annular coil for fine adjustment of magnetic field strength having an inner circumference close to the outer circumference of the neck portion of the cathode ray tube; an annular permanent magnet fitted to the outer circumference and having magnetic poles in the axial direction; A magnetic circuit for focusing an electron beam, characterized in that a pair of left and right annular pole pieces that fit around the outer periphery of a fine adjustment annular coil are configured coaxially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5022286U JPS62161752U (en) | 1986-04-03 | 1986-04-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5022286U JPS62161752U (en) | 1986-04-03 | 1986-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62161752U true JPS62161752U (en) | 1987-10-14 |
Family
ID=30873381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5022286U Pending JPS62161752U (en) | 1986-04-03 | 1986-04-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62161752U (en) |
-
1986
- 1986-04-03 JP JP5022286U patent/JPS62161752U/ja active Pending