JPS61188240U - - Google Patents
Info
- Publication number
- JPS61188240U JPS61188240U JP7114985U JP7114985U JPS61188240U JP S61188240 U JPS61188240 U JP S61188240U JP 7114985 U JP7114985 U JP 7114985U JP 7114985 U JP7114985 U JP 7114985U JP S61188240 U JPS61188240 U JP S61188240U
- Authority
- JP
- Japan
- Prior art keywords
- wire
- core wire
- cathode heater
- boundary
- utility
- 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
- 238000004804 winding Methods 0.000 claims 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図はこの考案に係るタングステン線を芯線
にピツチを粗く巻きつけた部分の状態を示す斜視
図、第２図ａは従来のこの種のカソード用ヒータ
のタングステン線を芯線に巻きつけた状態を示す
斜視図、第２図ｂはこの種のカソード用ヒータの
全体形状の一例を示す説明図、第２図ｃはレジス
ト塗布の状態を示す断面図、第２図ｄは芯線を除
去した部分の状態を示す斜視図である。
１……タングステン線、２……芯線、３……レ
ジスト、１１……有効抵抗部分、１２……足部、
１３……境界部分。
Figure 1 is a perspective view showing a state in which the tungsten wire according to this invention is roughly wound around the core wire, and Figure 2a is a state in which the tungsten wire of this type of conventional cathode heater is wound around the core wire. FIG. 2b is an explanatory diagram showing an example of the overall shape of this type of cathode heater, FIG. 2c is a sectional view showing the state of resist coating, and FIG. FIG. 1... Tungsten wire, 2... Core wire, 3... Resist, 11... Effective resistance part, 12... Foot part,
13... Boundary part.
Claims (1)
て、線材の芯線を除去する境界に跨がる部分の巻
き密度を粗くしたことを特徴とするカソード用ヒ
ータ。 A cathode heater having a double helical structure, characterized in that the winding density of the portion spanning the boundary where the core wire of the wire is removed is made coarse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7114985U JPS61188240U (en) | 1985-05-14 | 1985-05-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7114985U JPS61188240U (en) | 1985-05-14 | 1985-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61188240U true JPS61188240U (en) | 1986-11-22 |
Family
ID=30608378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7114985U Pending JPS61188240U (en) | 1985-05-14 | 1985-05-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61188240U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5469952A (en) * | 1977-11-15 | 1979-06-05 | Toshiba Corp | Indirectly-heated cathode heater |
| JPS5889746A (en) * | 1981-11-18 | 1983-05-28 | エヌ・ベー・フイリップス・フルーイランペン ファブリケン | Cathode ray tube |
-
1985
- 1985-05-14 JP JP7114985U patent/JPS61188240U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5469952A (en) * | 1977-11-15 | 1979-06-05 | Toshiba Corp | Indirectly-heated cathode heater |
| JPS5889746A (en) * | 1981-11-18 | 1983-05-28 | エヌ・ベー・フイリップス・フルーイランペン ファブリケン | Cathode ray tube |