JPS6440146U - - Google Patents
Info
- Publication number
- JPS6440146U JPS6440146U JP13571287U JP13571287U JPS6440146U JP S6440146 U JPS6440146 U JP S6440146U JP 13571287 U JP13571287 U JP 13571287U JP 13571287 U JP13571287 U JP 13571287U JP S6440146 U JPS6440146 U JP S6440146U
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- heater
- fixed
- coating layer
- cathode sleeve
- 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
- 239000011247 coating layer Substances 0.000 claims description 4
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 claims description 2
- 239000010953 base metal Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
Description
第１図は本考案の第１の実施例を示す断面図、
第２図は本考案の第２の実施例を示す断面図、第
３図ａ，ｂはそれぞれヒータの並列接続と直列接
続を示す結線図である。
１ａ，１ｂ，１ｃ……陰極、２ａ，２ｂ，２ｃ
……陰極スリーブ、３ａ，３ｂ，３ｃ……陰極基
体金属、４ａ，４ｂ，４ｃ……アルカリ土類金属
酸化物、５ａ，５ｂ，５ｃ……ヒータ、６ａ，６
ｂ，６ｃ……ヒータ絶縁被覆層、７ａ，７ｂ，７
ｃ……ヒータ補助支持体、８ａ，８ｂ，８ｃ……
ヒータ支持体、９ａ，９ｂ，９ｃ……ヒータ連結
体、１０……電源、１５ｂ……ヒータ、１６ｂ…
…ヒータ絶縁被覆層。
FIG. 1 is a sectional view showing a first embodiment of the present invention;
FIG. 2 is a sectional view showing a second embodiment of the present invention, and FIGS. 3a and 3b are connection diagrams showing parallel and series connections of heaters, respectively. 1a, 1b, 1c... cathode, 2a, 2b, 2c
...Cathode sleeve, 3a, 3b, 3c...Cathode base metal, 4a, 4b, 4c...Alkaline earth metal oxide, 5a, 5b, 5c...Heater, 6a, 6
b, 6c... Heater insulating coating layer, 7a, 7b, 7
c... Heater auxiliary support, 8a, 8b, 8c...
Heater support, 9a, 9b, 9c... Heater connection body, 10... Power supply, 15b... Heater, 16b...
...Heater insulation coating layer.
Claims (1)
成形された陰極基体金属が溶接され、その上にア
ルカリ土類金属酸化物が被覆され、前記陰極スリ
ーブ内部にヒータが挿入された青、緑、赤用の陰
極がそれぞれの陰極支持体に支えられて直線上に
配置固定されたカラー受像管の陰極構体において
、前記３個の陰極のうち中央に配置固定された陰
極スリーブ内部に挿入されたヒータの絶縁被覆層
の熱容量を両側に配置固定された陰極スリーブ内
部に挿入されたヒータの絶縁被覆層の熱容量より
も大きくしたことを特徴とするカラー受像管の陰
極構体。 For blue, green, and red, a cap-shaped cathode base metal containing a reducing agent is welded to the top of the cathode sleeve, an alkaline earth metal oxide is coated on it, and a heater is inserted inside the cathode sleeve. In the cathode assembly of a color picture tube in which cathodes are supported by respective cathode supports and arranged and fixed in a straight line, insulation of a heater inserted inside a cathode sleeve arranged and fixed at the center of the three cathodes is provided. A cathode structure for a color picture tube, characterized in that the heat capacity of the coating layer is larger than the heat capacity of the insulating coating layer of a heater inserted into the cathode sleeve arranged and fixed on both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13571287U JPS6440146U (en) | 1987-09-04 | 1987-09-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13571287U JPS6440146U (en) | 1987-09-04 | 1987-09-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6440146U true JPS6440146U (en) | 1989-03-09 |
Family
ID=31395586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13571287U Pending JPS6440146U (en) | 1987-09-04 | 1987-09-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6440146U (en) |
-
1987
- 1987-09-04 JP JP13571287U patent/JPS6440146U/ja active Pending