JPS63202056U - - Google Patents
Info
- Publication number
- JPS63202056U JPS63202056U JP9259187U JP9259187U JPS63202056U JP S63202056 U JPS63202056 U JP S63202056U JP 9259187 U JP9259187 U JP 9259187U JP 9259187 U JP9259187 U JP 9259187U JP S63202056 U JPS63202056 U JP S63202056U
- Authority
- JP
- Japan
- Prior art keywords
- display tube
- fluorescent display
- cover glass
- drive circuit
- shield plate
- 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
- 239000006059 cover glass Substances 0.000 claims description 4
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の実施例の蛍光表示管の
一部分を示す断面図、第２図は本考案の第２の実
施例の蛍光表示管の一部分を示す断面図、第３図
、第４図はいずれも従来の蛍光表示管を示す断面
図である。
１……カバーガラス、２……遮蔽板、３……導
電膜、４……端子、５……電極フレーム、６……
カソード、７……駆動回路、８……プラス電源、
９……抵抗。
FIG. 1 is a sectional view showing a portion of a fluorescent display tube according to a first embodiment of the present invention, FIG. 2 is a sectional view showing a portion of a fluorescent display tube according to a second embodiment of the present invention, and FIG. FIG. 4 is a sectional view showing a conventional fluorescent display tube. DESCRIPTION OF SYMBOLS 1... Cover glass, 2... Shielding plate, 3... Conductive film, 4... Terminal, 5... Electrode frame, 6...
Cathode, 7...drive circuit, 8...plus power supply,
9...Resistance.
Claims (1)
ソードより放射される電子から、前記駆動回路を
遮蔽する遮蔽板を設けた蛍光表示管において、前
記遮蔽板が前記カバーガラスの内面に固着されて
いることを特徴とする蛍光表示管。 (2) カバーガラスは、内面に導電膜が形成され
ている実用新案登録請求の範囲第(1)項記載の蛍
光表示管。[Claims for Utility Model Registration] (1) A fluorescent display tube in which a drive circuit is provided inside a cover glass and a shield plate is provided to shield the drive circuit from electrons emitted from a cathode, wherein the shield plate is A fluorescent display tube characterized by being fixed to the inner surface of a cover glass. (2) The fluorescent display tube according to claim 1, wherein the cover glass has a conductive film formed on its inner surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9259187U JPH0545010Y2 (en) | 1987-06-15 | 1987-06-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9259187U JPH0545010Y2 (en) | 1987-06-15 | 1987-06-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63202056U true JPS63202056U (en) | 1988-12-27 |
| JPH0545010Y2 JPH0545010Y2 (en) | 1993-11-16 |
Family
ID=30954427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9259187U Expired - Lifetime JPH0545010Y2 (en) | 1987-06-15 | 1987-06-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0545010Y2 (en) |
-
1987
- 1987-06-15 JP JP9259187U patent/JPH0545010Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0545010Y2 (en) | 1993-11-16 |
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