JPS58169652U - Cathode ray tube for light source - Google Patents

Cathode ray tube for light source

Info

Publication number
JPS58169652U
JPS58169652U JP6761582U JP6761582U JPS58169652U JP S58169652 U JPS58169652 U JP S58169652U JP 6761582 U JP6761582 U JP 6761582U JP 6761582 U JP6761582 U JP 6761582U JP S58169652 U JPS58169652 U JP S58169652U
Authority
JP
Japan
Prior art keywords
light source
ray tube
cathode ray
cathode
grid
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
Application number
JP6761582U
Other languages
Japanese (ja)
Inventor
竹延　眞哉
Original Assignee
三菱電機株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP6761582U priority Critical patent/JPS58169652U/en
Publication of JPS58169652U publication Critical patent/JPS58169652U/en
Pending legal-status Critical Current

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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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

−第１図は従来の光源管の陰極線の断面図、第２゜図は
従来の他の陰極線管の断面図、第３図は本考案の光源管
の性能を説明するための特性図、第４図は本考案の実施
例で第４ａ図は断面図、第４ｂ図はカソード部の拡大図
である。 一図中、１は第１グリツド、２は第２グリツド、３は第
３グリツド、４はカソード、５は蛍光面、６は散拡電子
ビーム、１０は凹面カソード、１２は陽極電極である。 なお、図中同一符号は同−又は相当部分を示す。- Figure 1 is a cross-sectional view of the cathode ray of a conventional light source tube, Figure 2 is a cross-sectional view of another conventional cathode ray tube, Figure 3 is a characteristic diagram for explaining the performance of the light source tube of the present invention, 4 shows an embodiment of the present invention, FIG. 4a is a sectional view, and FIG. 4b is an enlarged view of the cathode portion. In the figure, 1 is a first grid, 2 is a second grid, 3 is a third grid, 4 is a cathode, 5 is a fluorescent screen, 6 is a diffused electron beam, 10 is a concave cathode, and 12 is an anode electrode. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 外囲器内に納められたカソード、第１グリツド及び該カ
ソード、第１グリツドよりも高い電位が印加された陽極
電極とを順次配置して拡散電子ビームを発生し、該拡散
電子ビームが外囲器内面に塗付された蛍光面を発光させ
る光源用陰極線管においてカッー′ドの電子放出面を凹
面としたことを特徴とする光源用陰極線管。A diffused electron beam is generated by sequentially arranging a cathode housed in an envelope, a first grid, and an anode electrode to which a potential higher than that of the cathode and the first grid is applied. 1. A cathode ray tube for a light source which emits light from a phosphor screen coated on the inner surface of the light source, characterized in that the electron emitting surface of the cathode ray tube is concave.
JP6761582U 1982-05-07 1982-05-07 Cathode ray tube for light source Pending JPS58169652U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6761582U JPS58169652U (en) 1982-05-07 1982-05-07 Cathode ray tube for light source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6761582U JPS58169652U (en) 1982-05-07 1982-05-07 Cathode ray tube for light source

Publications (1)

Publication Number Publication Date
JPS58169652U true JPS58169652U (en) 1983-11-12

Family

ID=30077432

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6761582U Pending JPS58169652U (en) 1982-05-07 1982-05-07 Cathode ray tube for light source

Country Status (1)

Country Link
JP (1) JPS58169652U (en)

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