JPS6391147U - - Google Patents
Info
- Publication number
- JPS6391147U JPS6391147U JP18554586U JP18554586U JPS6391147U JP S6391147 U JPS6391147 U JP S6391147U JP 18554586 U JP18554586 U JP 18554586U JP 18554586 U JP18554586 U JP 18554586U JP S6391147 U JPS6391147 U JP S6391147U
- Authority
- JP
- Japan
- Prior art keywords
- picture tube
- shadow mask
- color picture
- skirt portion
- envelope
- 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 3
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
Description
第１図ないし第３図はこの考案の実施例説明図
で、第１図は一実施例カラー受像管の構成を一部
切欠して示す断面図、第２図ＡおよびＢ図はそれ
ぞれそのシヤドウマスクの平面図および断面図、
第３図は上記シヤドウマスクのスカート部の構造
を示す図、第４図は従来のカラー受像管の構成を
一部切欠して示す断面図、第５図ＡおよびＢ図は
それぞれそのシヤドウマスクの平面図および断面
図、第６図はハウリングを説明するための図、第
７図ＡないしＣ図はそれぞれシヤドウマスクの振
動と蛍光体層に対する電子ビームのスポツトとの
関係を示す図である。
１……外囲器、２……パネル、３……蛍光面、
５……電子ビーム通過孔、８……フレーム、２０
……シヤドウマスク、２４……マスク本体、２５
……スカート部、２６……スカート部端縁、２７
……凸部。
1 to 3 are explanatory diagrams of an embodiment of this invention. FIG. 1 is a partially cutaway sectional view showing the structure of a color picture tube according to an embodiment, and FIGS. 2A and 2B are shadow masks thereof. a plan view and a cross-sectional view of
FIG. 3 is a diagram showing the structure of the skirt portion of the shadow mask, FIG. 4 is a partially cutaway cross-sectional view of the structure of a conventional color picture tube, and FIGS. 5A and B are plan views of the shadow mask, respectively. 6 is a diagram for explaining howling, and FIGS. 7A to 7C are diagrams showing the relationship between the vibration of the shadow mask and the spot of the electron beam on the phosphor layer, respectively. 1... Envelope, 2... Panel, 3... Fluorescent screen,
5... Electron beam passing hole, 8... Frame, 20
...Shadow mask, 24...Mask body, 25
... Skirt part, 26 ... Skirt part edge, 27
...Protrusion.
Claims (1)
対向して上記外囲器内側にシヤドウマスクが配設
され、このシヤドウマスクが多数の電子ビーム通
過孔を有するマスク本体の周辺部に形成されたス
カート部をフレームに取付けてなるカラー受像管
において、上記シヤドウマスクは上記スカート部
にこのスカート部の端縁に近づくにしたがつて幅
広になる凹部または凸部またはその組合せからな
る凹凸部を有することを特徴とするカラー受像管
。 (2) シヤドウマスクのマスク本体が高張力鋼か
らなることを特徴とする実用新案登録請求の範囲
第１項記載のカラー受像管。 (3) スカート部はフレーム側壁に対して傾斜し
ていることを特徴とする実用新案登録請求の範囲
第１項記載のカラー受像管。[Claims for Utility Model Registration] (1) A shadow mask is provided inside the envelope, facing a fluorescent screen formed on the inner surface of the panel of the envelope, and this shadow mask has a large number of electron beam passing holes. In a color picture tube in which a skirt portion formed around the periphery of a mask body is attached to a frame, the shadow mask has a recess or a convex portion that becomes wider toward the edge of the skirt portion, or a concave portion or a convex portion thereof. A color picture tube characterized in that it has a combination of concave and convex portions. (2) The color picture tube according to claim 1, wherein the mask body of the shadow mask is made of high-tensile steel. (3) The color picture tube according to claim 1, wherein the skirt portion is inclined with respect to the side wall of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18554586U JPS6391147U (en) | 1986-12-03 | 1986-12-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18554586U JPS6391147U (en) | 1986-12-03 | 1986-12-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6391147U true JPS6391147U (en) | 1988-06-13 |
Family
ID=31134273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18554586U Pending JPS6391147U (en) | 1986-12-03 | 1986-12-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6391147U (en) |
-
1986
- 1986-12-03 JP JP18554586U patent/JPS6391147U/ja active Pending