JPS61174672U - - Google Patents
Info
- Publication number
- JPS61174672U JPS61174672U JP5833985U JP5833985U JPS61174672U JP S61174672 U JPS61174672 U JP S61174672U JP 5833985 U JP5833985 U JP 5833985U JP 5833985 U JP5833985 U JP 5833985U JP S61174672 U JPS61174672 U JP S61174672U
- Authority
- JP
- Japan
- Prior art keywords
- ray tube
- cathode ray
- shield cover
- observation surface
- covered
- 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
- 239000000696 magnetic material Substances 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 description 2
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
Description
第１図は本考案の実施例による陰極線管周辺部
の断面図、第２図は従来の陰極線管電磁遮蔽構造
の分解斜視図、第３図は同遮蔽構造の断面図であ
る。
１……陰極線管、１ａ……フアンネル部、１ｂ
……ネツク部、２……周面シールドカバー、４…
…後部シールドカバー、６……前面シールドカバ
ー、７……観測窓。
FIG. 1 is a sectional view of the peripheral portion of a cathode ray tube according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of a conventional cathode ray tube electromagnetic shielding structure, and FIG. 3 is a sectional view of the same shielding structure. 1...Cathode ray tube, 1a...Funnel part, 1b
...Network part, 2...Peripheral shield cover, 4...
...Rear shield cover, 6...Front shield cover, 7...Observation window.
Claims (1)
周面シールドカバーで覆う電気機器において、陰
極線管の後部及び観測面を磁性材料で構成する後
部シールドカバー及び前面シールドカバーで覆い
、前記観測面に正対向しない観測窓を前記前面シ
ールドカバーに設けて、同観測窓より陰極線管の
観測面を観測することを特徴とする陰極線管電磁
遮蔽装置。 In an electrical device in which the funnel portion of a cathode ray tube is covered with a circumferential shield cover made of a magnetic material, the rear part and observation surface of the cathode ray tube are covered with a rear shield cover and a front shield cover made of a magnetic material, and are directly opposed to the observation surface. An electromagnetic shielding device for a cathode ray tube, characterized in that an observation window is provided in the front shield cover, and an observation surface of the cathode ray tube is observed through the observation window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5833985U JPS61174672U (en) | 1985-04-19 | 1985-04-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5833985U JPS61174672U (en) | 1985-04-19 | 1985-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61174672U true JPS61174672U (en) | 1986-10-30 |
Family
ID=30583747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5833985U Pending JPS61174672U (en) | 1985-04-19 | 1985-04-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61174672U (en) |
-
1985
- 1985-04-19 JP JP5833985U patent/JPS61174672U/ja active Pending