JPS63108151U - - Google Patents
Info
- Publication number
- JPS63108151U JPS63108151U JP11192187U JP11192187U JPS63108151U JP S63108151 U JPS63108151 U JP S63108151U JP 11192187 U JP11192187 U JP 11192187U JP 11192187 U JP11192187 U JP 11192187U JP S63108151 U JPS63108151 U JP S63108151U
- Authority
- JP
- Japan
- Prior art keywords
- electron gun
- long side
- picture tube
- color picture
- magnetic shield
- 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.)
- Granted
Links
- 238000010894 electron beam technology Methods 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 1
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
Description
第１図ないし第４図はこの考案の実施例説明図
で、第１図はデイスプレイ用カラー受像管の構成
を示す断面図、第２図はその要部を示す斜視図、
第３図ＡないしＣ図はそれぞれ１３吋、１５吋、
１２吋デイスプレイ用カラー受像管の内部磁気シ
ールドの切欠き部とビーム移動量およびそのＹ／
Ｘ成分比との関係を示す図、第４図ＡないしＣ図
はそれぞれ１３吋、１５吋、１２吋デイスプレイ
用カラー受像管の画面四隅部におけるビーム移動
量を従来のカラー受像管のビーム移動量と比較し
て示す図、第５図は従来のカラー受像管の構成を
示す図、第６図はその要部を示す斜視図、第７図
は蛍光体ドツトと電子ビームのビームスポツトと
の関係を示す図、第８図はベクトルビーム移動量
の測定方法を説明するための図、第９図は従来の
改良された内部磁気シールドを有するカラー受像
管の要部を示す図である。
１……外囲器、２……パネル、３……蛍光面、
４……シヤドウマスク、５……フアンネル、６…
…ネツク部、７……電子銃、２１……フレーム、
２２……内部磁気シールド、２３……長側面、２
４……切欠き部、２５……ＮＳベクトルビーム移
動量、２６……ＮＳベクトルビーム移動量のＹ／
Ｘ成分比、２８ａ〜２８ｄ……ＮＳベクトルビー
ム移動量。
1 to 4 are explanatory diagrams of an embodiment of this invention, in which FIG. 1 is a sectional view showing the structure of a color picture tube for display, and FIG. 2 is a perspective view showing the main parts thereof.
Figures 3A to C are 13 inches, 15 inches, respectively.
Notch of internal magnetic shield of color picture tube for 12 inch display, beam movement amount and its Y/
Figures 4A to 4C, which show the relationship between the 5 is a diagram showing the configuration of a conventional color picture tube, FIG. 6 is a perspective view showing the main parts, and FIG. 7 is a diagram showing the relationship between the phosphor dots and the beam spot of the electron beam. FIG. 8 is a diagram for explaining a method for measuring the amount of vector beam movement, and FIG. 9 is a diagram showing the main parts of a conventional color picture tube having an improved internal magnetic shield. 1... Envelope, 2... Panel, 3... Fluorescent screen,
4... Shadow mask, 5... Funnel, 6...
...network section, 7...electron gun, 21...frame,
22... Internal magnetic shield, 23... Long side, 2
4... Notch, 25... NS vector beam movement amount, 26... NS vector beam movement amount Y/
X component ratio, 28a to 28d...NS vector beam movement amount.
Claims (1)
する電子銃およびこの電子銃から放出された電子
ビームを外部磁界から遮蔽する断面ほぼ矩形状の
内部磁気シールドを有するカラー受像管において
、 上記内部磁気シールドの長側面の電子銃側開口
端縁部にこの長側面の電子銃側開口端縁の長さを
ｌ、上記長側面の沿面高さをｈとし、かつαを０
．２５〜０．６０として、上記長側面の電子銃側
開口端縁を弦として、 ｛（αｈ）２＋（１２）２｝／２αｈ を半径とする切欠円からなる切欠き部を設けたこ
とを特徴とするカラー受像管。[Claims for Utility Model Registration] An electron gun that emits an electron beam toward a phosphor screen inside an envelope, and an internal magnetic shield with a substantially rectangular cross section that shields the electron beam emitted from the electron gun from an external magnetic field. In the color picture tube, the length of the opening edge of the long side of the internal magnetic shield on the electron gun side is l, the creepage height of the long side is h, and α to 0
．． 25 to 0.60, and the opening edge on the electron gun side of the long side is used as a chord, and a notch part consisting of a notched circle whose radius is {(αh) 2 + (12) 2 }/2αh is provided. Features a color picture tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987111921U JP2591474Y2 (en) | 1986-08-14 | 1987-07-23 | Color picture tube |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12403086 | 1986-08-14 | ||
| JP61-124030 | 1986-08-14 | ||
| JP1987111921U JP2591474Y2 (en) | 1986-08-14 | 1987-07-23 | Color picture tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63108151U true JPS63108151U (en) | 1988-07-12 |
| JP2591474Y2 JP2591474Y2 (en) | 1999-03-03 |
Family
ID=33161349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987111921U Expired - Lifetime JP2591474Y2 (en) | 1986-08-14 | 1987-07-23 | Color picture tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2591474Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58166625A (en) * | 1982-03-29 | 1983-10-01 | Toshiba Corp | Color picture tube |
| JPS6094760U (en) * | 1983-12-05 | 1985-06-28 | 株式会社東芝 | color picture tube |
| JPS62296335A (en) * | 1986-06-16 | 1987-12-23 | Nec Corp | Color picture tube |
-
1987
- 1987-07-23 JP JP1987111921U patent/JP2591474Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58166625A (en) * | 1982-03-29 | 1983-10-01 | Toshiba Corp | Color picture tube |
| JPS6094760U (en) * | 1983-12-05 | 1985-06-28 | 株式会社東芝 | color picture tube |
| JPS62296335A (en) * | 1986-06-16 | 1987-12-23 | Nec Corp | Color picture tube |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2591474Y2 (en) | 1999-03-03 |
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