JPS6175056U - - Google Patents
Info
- Publication number
- JPS6175056U JPS6175056U JP15925084U JP15925084U JPS6175056U JP S6175056 U JPS6175056 U JP S6175056U JP 15925084 U JP15925084 U JP 15925084U JP 15925084 U JP15925084 U JP 15925084U JP S6175056 U JPS6175056 U JP S6175056U
- Authority
- JP
- Japan
- Prior art keywords
- getter
- getter device
- fluorescent surface
- cathode ray
- ray tube
- 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 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
Description
第１図は本考案を適用したカラー受像管を示す
概略構成図、第２図は第１図の磁気シールド体の
磁界におよぼす影響を説明するための概略模式図
、第３図及び第４図は従来のカラー受像管を示す
概略構成図、第５図は第４図の磁気シールド体の
磁界におよぼす影響を説明するための概略模式図
である。
１……パネル、２……フアンネル、５……シヤ
ドウマスク、６……支持フレーム、１１……磁気
シールド体、８ａ，８ｂ，１２，１２ａ，１２ｂ
……ゲツター装置。
Fig. 1 is a schematic configuration diagram showing a color picture tube to which the present invention is applied, Fig. 2 is a schematic diagram for explaining the influence of the magnetic shield shown in Fig. 1 on the magnetic field, and Figs. 3 and 4. 5 is a schematic configuration diagram showing a conventional color picture tube, and FIG. 5 is a schematic diagram for explaining the influence of the magnetic shield shown in FIG. 4 on the magnetic field. DESCRIPTION OF SYMBOLS 1... Panel, 2... Funnel, 5... Shadow mask, 6... Support frame, 11... Magnetic shield, 8a, 8b, 12, 12a, 12b
...Getter device.
Claims (1)
体と前記パネル内面に形成された少なくとも一種
類の発光色の螢光体からなる螢光面と前記ネツク
内に配設され少なくとも一本の電子ビームを放射
する電子銃と前記螢光面と前記電子銃との間に前
記電子ビームの有効通過領域を一部または全周に
わたり包囲するように配設された磁気シールド体
とを少なくとも備えた陰極線管において、前記磁
気シールド体と前記フアンネルの内壁との間で、
前記螢光面の中心に対して略対称的な位置に少な
くとも１個以上のゲツター装置をおのおのの位置
に装着したことを特徴とする陰極線管。 (2) 前記ゲツター装置のゲツター物質飛散方向
が前記磁気シールド体の主たる表面に略直角とな
るように前記ゲツター装置を配置したことを特徴
とする実用新案登録請求の範囲第１項記載の陰極
線管。 (3) 前記ゲツター装置を耐熱性ゲツターとした
ことを特徴とする実用新案登録請求の範囲第１項
および第２項記載の陰極線管。[Claims for Utility Model Registration] (1) A tube body consisting of a panel, a funnel, and a net, a fluorescent surface consisting of a phosphor of at least one luminescent color formed on the inner surface of the panel, and a fluorescent surface disposed within the net. an electron gun that emits at least one electron beam; and a magnetic shielding body disposed between the fluorescent surface and the electron gun so as to surround a part or all of the effective passage area of the electron beam. between the magnetic shield and the inner wall of the funnel,
A cathode ray tube characterized in that at least one getter device is mounted at each position substantially symmetrical with respect to the center of the fluorescent surface. (2) The cathode ray tube according to claim 1, wherein the getter device is arranged so that the getter material scattering direction of the getter device is substantially perpendicular to the main surface of the magnetic shielding body. . (3) The cathode ray tube according to claims 1 and 2, wherein the getter device is a heat-resistant getter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15925084U JPS6175056U (en) | 1984-10-23 | 1984-10-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15925084U JPS6175056U (en) | 1984-10-23 | 1984-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6175056U true JPS6175056U (en) | 1986-05-21 |
Family
ID=30717211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15925084U Pending JPS6175056U (en) | 1984-10-23 | 1984-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6175056U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS607044A (en) * | 1983-06-23 | 1985-01-14 | Nec Corp | Color picture tube |
-
1984
- 1984-10-23 JP JP15925084U patent/JPS6175056U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS607044A (en) * | 1983-06-23 | 1985-01-14 | Nec Corp | Color picture tube |
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