JPH0214659U - - Google Patents
Info
- Publication number
- JPH0214659U JPH0214659U JP9228488U JP9228488U JPH0214659U JP H0214659 U JPH0214659 U JP H0214659U JP 9228488 U JP9228488 U JP 9228488U JP 9228488 U JP9228488 U JP 9228488U JP H0214659 U JPH0214659 U JP H0214659U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical hole
- filament
- display tube
- fluorescent display
- vacuum envelope
- 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
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 239000006059 cover glass Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Description
第１図は本考案の第１の実施例を示す蛍光表示
管の縦断面図、第２図は本考案の第１の実施例の
平面図、第３図は本考案の第２の実施例を示す正
面図、第４図は従来の蛍光表示管の平面図である
。
１…フイラメント、２…筒、３…カバーガラス
、３…陽極基板、５，５′…介在用支持体、６…
フイラメント支持体、７…穴、８…電極配線。
Fig. 1 is a vertical cross-sectional view of a fluorescent display tube showing a first embodiment of the invention, Fig. 2 is a plan view of the first embodiment of the invention, and Fig. 3 is a second embodiment of the invention. FIG. 4 is a plan view of a conventional fluorescent display tube. DESCRIPTION OF SYMBOLS 1... Filament, 2... Cylinder, 3... Cover glass, 3... Anode substrate, 5, 5'... Support for interposition, 6...
Filament support, 7...hole, 8...electrode wiring.
Claims (1)
を放出するフイラメントを有し、真空外囲器の中
央部に筒状の穴を有する蛍光表示管において、筒
状の穴の近傍にフイラメントを固定する支持体を
設け、筒状の穴の両側にもフイラメントを配設し
たことを特徴とする蛍光表示管。 In a fluorescent display tube that has a phosphor layer, a grid, and a filament that emits thermoelectrons in a vacuum envelope, and has a cylindrical hole in the center of the vacuum envelope, the filament is placed near the cylindrical hole. A fluorescent display tube characterized by having a fixing support and having filaments arranged on both sides of a cylindrical hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9228488U JPH0214659U (en) | 1988-07-11 | 1988-07-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9228488U JPH0214659U (en) | 1988-07-11 | 1988-07-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0214659U true JPH0214659U (en) | 1990-01-30 |
Family
ID=31316731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9228488U Pending JPH0214659U (en) | 1988-07-11 | 1988-07-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0214659U (en) |
-
1988
- 1988-07-11 JP JP9228488U patent/JPH0214659U/ja active Pending