JPS6373851U - - Google Patents
Info
- Publication number
- JPS6373851U JPS6373851U JP16844686U JP16844686U JPS6373851U JP S6373851 U JPS6373851 U JP S6373851U JP 16844686 U JP16844686 U JP 16844686U JP 16844686 U JP16844686 U JP 16844686U JP S6373851 U JPS6373851 U JP S6373851U
- Authority
- JP
- Japan
- Prior art keywords
- display tube
- fluorescent display
- coating thickness
- filament
- emits light
- 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
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 239000010406 cathode material Substances 0.000 claims 1
- 239000006059 cover glass Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Description
第１図及び第２図は本考案の一実施例を示す螢
光表示管の斜視図、第３図は従来の螢光表示管の
斜視図である。
１，１１……陽極基板、２，１２……電極、３
，１４……グリツド、４，１５……フイラメント
、５，１６……カバーガラス、６，１７……排気
管、１３……螢光体（陽極）、１３′……警告表
示用ダミー陽極。
1 and 2 are perspective views of a fluorescent display tube showing an embodiment of the present invention, and FIG. 3 is a perspective view of a conventional fluorescent display tube. 1, 11... Anode substrate, 2, 12... Electrode, 3
, 14... Grid, 4, 15... Filament, 5, 16... Cover glass, 6, 17... Exhaust pipe, 13... Fluorescent body (anode), 13'... Dummy anode for warning display.
Claims (1)
に於て、フイラメントの陰極材料被覆厚が平均被
覆厚の７０％以下の部分を有し、且つ該部分に対
向するダミー陽極を有することを特徴とする螢光
表示管。 A fluorescent display tube in which a phosphor emits light by electron bombardment, characterized by having a portion of the filament where the cathode material coating thickness is 70% or less of the average coating thickness, and having a dummy anode facing the portion. Fluorescent display tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16844686U JPS6373851U (en) | 1986-10-31 | 1986-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16844686U JPS6373851U (en) | 1986-10-31 | 1986-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6373851U true JPS6373851U (en) | 1988-05-17 |
Family
ID=31101330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16844686U Pending JPS6373851U (en) | 1986-10-31 | 1986-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6373851U (en) |
-
1986
- 1986-10-31 JP JP16844686U patent/JPS6373851U/ja active Pending