JPS6191865U - - Google Patents
Info
- Publication number
- JPS6191865U JPS6191865U JP17733784U JP17733784U JPS6191865U JP S6191865 U JPS6191865 U JP S6191865U JP 17733784 U JP17733784 U JP 17733784U JP 17733784 U JP17733784 U JP 17733784U JP S6191865 U JPS6191865 U JP S6191865U
- Authority
- JP
- Japan
- Prior art keywords
- shadow mask
- cathode ray
- ray tube
- aperture
- color cathode
- 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
- 239000011521 glass Substances 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 238000010894 electron beam technology Methods 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
Description
第１図はこの考案によるカラー陰極線管の実施
例を示す概略断面図、第２図は第１図における蛍
光面スクリーンと主シヤドウマスクの部分拡大図
、第３図は従来のカラー陰極線管を示す概略断面
図、第４図は第３図における蛍光面スクリーンと
シヤドウマスクの部分拡大図である。
１…蛍光面スクリーン、３…主シヤドウマスク
、４…電子銃、５Ｒ，５Ｇ，５Ｂ…電子ビーム、
７…開孔、１０…ガラスバルブ、３０…副シヤド
ウマスク。なお、図中、同一符号は同一または相
当部分を示す。
Figure 1 is a schematic sectional view showing an embodiment of a color cathode ray tube according to this invention, Figure 2 is a partially enlarged view of the fluorescent screen and main shadow mask in Figure 1, and Figure 3 is a schematic diagram showing a conventional color cathode ray tube. The sectional view, FIG. 4, is a partially enlarged view of the phosphor screen and shadow mask in FIG. 3. 1... Fluorescent screen, 3... Main shadow mask, 4... Electron gun, 5R, 5G, 5B... Electron beam,
7...Open hole, 10...Glass bulb, 30...Subshadow mask. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
面スクリーンと所定の間隔をおいて主シヤドウマ
スクを対向配置し、上記ガラスバルブの後方に収
納された電子銃から放射される電子ビームを上記
主シヤドウマスクの開孔を介して上記蛍光面スク
リーンに射突するようにしたカラー陰極線管にお
いて、上記主シヤドウマスクの電子銃側の背後に
、主シヤドウマスクと所定の間隔を保つて副シヤ
ドウマスクを設けたことを特徴とするカラー陰極
線管。 (2) 副シヤドウマスクの開孔の面積を、主シヤ
ドウマスクの開孔の面積よりも所定量だけ大きく
してなる実用新案登録請求の範囲第１項記載のカ
ラー陰極線管。[Claims for Utility Model Registration] (1) A main shadow mask is arranged facing a fluorescent screen formed on the inside front surface of the glass bulb at a predetermined distance, and radiation is emitted from an electron gun housed behind the glass bulb. In a color cathode ray tube in which an electron beam is directed to the phosphor screen through an aperture in the main shadow mask, a tube is provided behind the electron gun side of the main shadow mask at a predetermined distance from the main shadow mask. A color cathode ray tube characterized by being provided with a sub-shadow mask. (2) The color cathode ray tube according to claim 1, wherein the area of the aperture in the sub-shadow mask is larger by a predetermined amount than the area of the aperture in the main shadow mask.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17733784U JPS6191865U (en) | 1984-11-21 | 1984-11-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17733784U JPS6191865U (en) | 1984-11-21 | 1984-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6191865U true JPS6191865U (en) | 1986-06-14 |
Family
ID=30734906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17733784U Pending JPS6191865U (en) | 1984-11-21 | 1984-11-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6191865U (en) |
-
1984
- 1984-11-21 JP JP17733784U patent/JPS6191865U/ja active Pending
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