JPH01148652U - - Google Patents
Info
- Publication number
- JPH01148652U JPH01148652U JP4461688U JP4461688U JPH01148652U JP H01148652 U JPH01148652 U JP H01148652U JP 4461688 U JP4461688 U JP 4461688U JP 4461688 U JP4461688 U JP 4461688U JP H01148652 U JPH01148652 U JP H01148652U
- Authority
- JP
- Japan
- Prior art keywords
- heater
- regulating means
- position regulating
- directly heated
- heated cathode
- 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.)
- Granted
Links
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
Description
第１図乃至第６図は本考案に係る直熱型カソー
ドの実施例を説明するためのもので、第１図は本
考案の第１の実施例を示す断面図、第２図は第１
図の―線に沿う断面図、第３図は本考案の第
２の実施例を示す断面図、第４図は第３図の―
線に沿う断面図、第５図及び第６図はヒータリ
ードのヒータ位置規制手段の変形例を示す各要部
拡大斜視図である。第７図は直熱型カソードの従
来例を示す断面図、第８図は第７図の―線に
沿う断面図である。
２３……直熱型カソード、２７……ヒータリー
ド、２８……ヒータ位置規制手段、２９……ヒー
タ。
1 to 6 are for explaining embodiments of the directly heated cathode according to the present invention. FIG. 1 is a cross-sectional view showing the first embodiment of the present invention, and FIG.
3 is a sectional view showing the second embodiment of the present invention, and FIG. 4 is a sectional view taken along the line - in the figure.
A sectional view taken along the line, and FIGS. 5 and 6 are enlarged perspective views of each essential part showing a modification of the heater position regulating means of the heater lead. FIG. 7 is a sectional view showing a conventional example of a directly heated cathode, and FIG. 8 is a sectional view taken along the line --- in FIG. 23... Directly heated cathode, 27... Heater lead, 28... Heater position regulating means, 29... Heater.
Claims (1)
置にヒータ位置規制手段を設け、各ヒータリード
の位置規制手段間にエミツタ物質が被着されたヒ
ータを張設したことを特徴とする直熱型カソード
。 A directly heated cathode characterized in that a heater position regulating means is provided at a predetermined dimensional position from each end face of a pair of heater leads, and a heater coated with an emitter material is stretched between the position regulating means of each heater lead. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988044616U JPH0612599Y2 (en) | 1988-03-31 | 1988-03-31 | Direct heating cathode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988044616U JPH0612599Y2 (en) | 1988-03-31 | 1988-03-31 | Direct heating cathode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01148652U true JPH01148652U (en) | 1989-10-16 |
| JPH0612599Y2 JPH0612599Y2 (en) | 1994-03-30 |
Family
ID=31270967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988044616U Expired - Lifetime JPH0612599Y2 (en) | 1988-03-31 | 1988-03-31 | Direct heating cathode |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0612599Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5787041A (en) * | 1980-11-18 | 1982-05-31 | Sony Corp | Electron gun |
| JPS603481U (en) * | 1983-06-20 | 1985-01-11 | 横河電機株式会社 | Digital circuit inspection equipment |
| JPS6076857U (en) * | 1983-10-31 | 1985-05-29 | 関西日本電気株式会社 | Directly heated cathode |
-
1988
- 1988-03-31 JP JP1988044616U patent/JPH0612599Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5787041A (en) * | 1980-11-18 | 1982-05-31 | Sony Corp | Electron gun |
| JPS603481U (en) * | 1983-06-20 | 1985-01-11 | 横河電機株式会社 | Digital circuit inspection equipment |
| JPS6076857U (en) * | 1983-10-31 | 1985-05-29 | 関西日本電気株式会社 | Directly heated cathode |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0612599Y2 (en) | 1994-03-30 |