JPH0415138U - - Google Patents
Info
- Publication number
- JPH0415138U JPH0415138U JP5716290U JP5716290U JPH0415138U JP H0415138 U JPH0415138 U JP H0415138U JP 5716290 U JP5716290 U JP 5716290U JP 5716290 U JP5716290 U JP 5716290U JP H0415138 U JPH0415138 U JP H0415138U
- Authority
- JP
- Japan
- Prior art keywords
- outer beam
- beam passage
- hole
- anode electrode
- passage hole
- 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
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
Description
第１図は本考案の一実施例の電子銃のフオーカ
ス電極とアノード電極とに形成された外廓ビーム
通過孔の相互関係を示した正面図、第２図は本考
案並びに従来例の電子銃のフオーカス電極とアノ
ード電極とに形成された外廓ビーム通過孔の相互
関係を示した説明図、第３図は偏心電界による非
対向メインレンズ系ＭＬを持つ従来のインライン
型電子銃の概略的断面図、第４図は第３図に図示
された電子銃においてメインレンズ型ＭＬの拡大
図、第５図は第３図の−線断面図である。
Ｇ３……フオーカス電極、Ｇ４……アノード電
極、３Ｈａ……フオーカス電極の外廓ビーム通過
孔、３Ｈｂ……フオーカス電極の中央のビーム通
過孔、４Ｈａ……アノード電極の外廓ビーム通過
孔、４Ｈｂ……アノード電極の中央のビーム通過
孔、ＭＬ……メインレンズ。
FIG. 1 is a front view showing the mutual relationship between the outer beam passage hole formed in the focus electrode and the anode electrode of an electron gun according to an embodiment of the present invention, and FIG. 2 is an electron gun according to the present invention and a conventional example. An explanatory diagram showing the mutual relationship between the outer beam passage hole formed in the focus electrode and the anode electrode, and Figure 3 is a schematic cross section of a conventional in-line electron gun with a non-opposed main lens system ML caused by an eccentric electric field. 4 is an enlarged view of the main lens type ML in the electron gun shown in FIG. 3, and FIG. 5 is a sectional view taken along the line -- in FIG. 3. G3... Focus electrode, G4... Anode electrode, 3Ha... Outer beam passing hole of focus electrode, 3Hb... Center beam passing hole of focus electrode, 4Ha... Outer beam passing hole of anode electrode, 4Hb... ...Beam passing hole in the center of the anode electrode, ML...Main lens.
Claims (1)
ム出射側の円形の外廓ビーム通過孔に対し、アノ
ード電極Ｇ４のビーム入射側の外廓ビーム通過孔
が外側に所定距離偏心されている陰極線管用電子
銃において、 前記アノード電極Ｇ４の外廓ビーム通過孔４Ｈ
ａは、その両端がフオーカス電極Ｇ３の外廓ビー
ム通過孔３Ｈａと大略同じ直径の半円をなすよう
形成した長孔の形態を持ち、前記アノード電極Ｇ
４の外廓ビーム通過孔４Ｈａの内側縁部と前記フ
オーカス電極Ｇ３の外廓ビーム通過孔３Ｈａの内
側縁部がビーム通過経路上からみて大略一致する
ように形成されていることを特徴とする陰極線管
用電子銃。[Claims for Utility Model Registration] The outer beam passing hole on the beam incidence side of the anode electrode G4 is eccentrically outward by a predetermined distance with respect to the circular outer beam passing hole on the beam exit side of the focus electrode G3 constituting the main lens. In the cathode ray tube electron gun, the outer beam passage hole 4H of the anode electrode G4
a has the form of a long hole formed so that both ends thereof form a semicircle with approximately the same diameter as the outer beam passage hole 3Ha of the focus electrode G3, and the anode electrode G
The cathode ray is characterized in that the inner edge of the outer beam passage hole 4Ha of No. 4 and the inner edge of the outer beam passage hole 3Ha of the focus electrode G3 are formed so as to substantially coincide with each other when viewed from above the beam passage path. Tube electron gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5716290U JPH0720831Y2 (en) | 1990-05-30 | 1990-05-30 | Electron gun for cathode ray tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5716290U JPH0720831Y2 (en) | 1990-05-30 | 1990-05-30 | Electron gun for cathode ray tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0415138U true JPH0415138U (en) | 1992-02-06 |
| JPH0720831Y2 JPH0720831Y2 (en) | 1995-05-15 |
Family
ID=31581629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5716290U Expired - Lifetime JPH0720831Y2 (en) | 1990-05-30 | 1990-05-30 | Electron gun for cathode ray tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0720831Y2 (en) |
-
1990
- 1990-05-30 JP JP5716290U patent/JPH0720831Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0720831Y2 (en) | 1995-05-15 |
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