JPS5912458U - image tube electron gun - Google Patents
image tube electron gunInfo
- Publication number
- JPS5912458U JPS5912458U JP10446082U JP10446082U JPS5912458U JP S5912458 U JPS5912458 U JP S5912458U JP 10446082 U JP10446082 U JP 10446082U JP 10446082 U JP10446082 U JP 10446082U JP S5912458 U JPS5912458 U JP S5912458U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- electron gun
- tube electron
- image tube
- disc
- 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
Landscapes
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の静電集束型撮像管の断面図、第２図は本
考案による撮像管電子銃の一実施例を示す断面図、第３
図は本考案による撮像管電子銃のプリフォーカス部を示
す断面図、第４図は本考案における中間電極の開孔径と
電子ビーム拡がり半径、偏向収差によるスポット径およ
びグイナミック又オーカス時のスポット径の関係を示す
図であ ′る。
１・・・真空容器、２・・・３極部、３・・・主レンズ
部、４・・・光導電膜、５・・・偏向コイル、６・・・
ビーム制限孔、７・・・電子ビーム軌道、８・・・μ内
した軍学ビーム軌道、Ｋ・・・陰極、Ｇ工・・・第１電
極、Ｇ２・・・電２電極、Ｇ３・・・第３電極、ＧＭ・
・・円板状中間電極、ｒ・・・電子ビーム拡がり半径、
ａ・・・電極ＧＭの開孔径、゛ ｄ・・・電極Ｇ３の内
径。FIG. 1 is a cross-sectional view of a conventional electrostatic focusing type image pickup tube, FIG. 2 is a cross-sectional view showing an embodiment of the image pickup tube electron gun according to the present invention, and FIG.
The figure is a sectional view showing the prefocusing part of the image pickup tube electron gun according to the present invention. Figure 4 is a diagram showing the aperture diameter of the intermediate electrode, the electron beam spread radius, the spot diameter due to deflection aberration, and the spot diameter at the time of Guinamic or orcus according to the present invention. This is a diagram showing the relationship. DESCRIPTION OF SYMBOLS 1... Vacuum container, 2... Tri-electrode part, 3... Main lens part, 4... Photoconductive film, 5... Deflection coil, 6...
Beam restriction hole, 7...electron beam trajectory, 8...military beam trajectory within μ, K...cathode, G engineering...first electrode, G2...electronic second electrode, G3...・Third electrode, GM・
...disk-shaped intermediate electrode, r...electron beam spread radius,
a... Opening diameter of electrode GM, d... Inner diameter of electrode G3.
Claims (1)
からなる電子ビーム発生部と、少なくとも１個の円筒状
電極を有し、上記電子ビーム発生部からの電子ビームを
集束する集束レンズ部と、上記第２電極と上記円筒状電
極の間に配置され、開孔を有する少くとも１つの円板状
中間電極とからなり、上記中間電極に印加する電圧を制
御し、上記ビーム制限孔からビームの上記集束レンズ部
への入射角を制御することを特徴とする撮像管電子銃。 ２ 上記円板状中間電極の開孔径が、上記同筒状電極の
内径のｏ、ｉ倍から０．５倍の範囲にあることを特徴と
する実用新案登録請求の範囲第１項記載の撮像管電子銃
。[Claims for Utility Model Registration] 1. An electron beam generating section consisting of a cathode, a first electrode, and a second electrode having a beam restriction hole, and at least one cylindrical electrode, and comprising: It consists of a focusing lens part that focuses an electron beam, and at least one disc-shaped intermediate electrode that is arranged between the second electrode and the cylindrical electrode and has an opening, and the voltage applied to the intermediate electrode is and controlling an incident angle of the beam from the beam limiting hole to the focusing lens section. 2. Imaging according to claim 1, wherein the diameter of the aperture of the disc-shaped intermediate electrode is in the range of o, i times to 0.5 times the inner diameter of the cylindrical electrode. tube electron gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10446082U JPS5912458U (en) | 1982-07-12 | 1982-07-12 | image tube electron gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10446082U JPS5912458U (en) | 1982-07-12 | 1982-07-12 | image tube electron gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5912458U true JPS5912458U (en) | 1984-01-25 |
Family
ID=30245272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10446082U Pending JPS5912458U (en) | 1982-07-12 | 1982-07-12 | image tube electron gun |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5912458U (en) |
-
1982
- 1982-07-12 JP JP10446082U patent/JPS5912458U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4268777A (en) | Cathode-ray tube | |
| JPS59141153A (en) | Low noise electron gun | |
| JPS5912458U (en) | image tube electron gun | |
| US4910429A (en) | Cathode ray tube which is small and uses a small amount of power | |
| US4656387A (en) | Cathode ray tube having a zig-zag shaped deflection electrode | |
| US4560899A (en) | Electron beam focusing lens | |
| KR860000816B1 (en) | Electron gun for television camera tube | |
| US4201933A (en) | Electron gun structure for a pickup tube | |
| JPH0815057B2 (en) | Electron gun for color cathode ray tube | |
| JP2625290B2 (en) | Electron gun for cathode ray tube | |
| JPS619759U (en) | Electrostatic focusing/electrostatic deflection type image pickup tube | |
| JPS58129729A (en) | Television pickup tube | |
| US4994713A (en) | Asymmetric unipotential electron beam focusing lens | |
| JPS60184252U (en) | Electrostatic focusing/electrostatic deflection type image pickup tube | |
| JPS6086734A (en) | Image pickup tube | |
| JPH04366533A (en) | Electron gun for color cathode-ray tube | |
| JPS6117333B2 (en) | ||
| JPS62249342A (en) | Image pickup tube | |
| JPS5815900B2 (en) | Denshijiyuusouchi | |
| JPH0132622B2 (en) | ||
| JPS6074243A (en) | Electrostatic focusing type image pickup tube | |
| JPS6122410B2 (en) | ||
| RU92003732A (en) | ELECTRON-OPTICAL SYSTEM FOR ELECTRON-BEAM ELECTRON-RADIATED PIPES WITH ELECTROSTATIC FOCUSING | |
| JPS5830693B2 (en) | electron gun | |
| JPS5815901B2 (en) | Denshijiyuusouchi |