JPH0269391U - - Google Patents
Info
- Publication number
- JPH0269391U JPH0269391U JP14916588U JP14916588U JPH0269391U JP H0269391 U JPH0269391 U JP H0269391U JP 14916588 U JP14916588 U JP 14916588U JP 14916588 U JP14916588 U JP 14916588U JP H0269391 U JPH0269391 U JP H0269391U
- Authority
- JP
- Japan
- Prior art keywords
- fluorescent display
- converter
- grid
- capacitor
- display tube
- 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
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Description
第１図は本考案の一実施例の蛍光表示装置の蛍
光表示管の駆動電圧発生回路の回路図、第２図は
第１図の回路の出力が接続される蛍光表示管およ
びその駆動回路を示す回路図である。
１……電解コンデンサ、２，１１，２２，２４
……抵抗、３，８，１２……コンデンサ、４……
トランジスタ、５……トランス、６……ダイオー
ド、７，１３……ツエナダイオード、９……バイ
アス抵抗、１０……電解コンデンサ、１４……グ
リツド、アノード駆動電圧Ｖｓｓ端子、１５，１
６，１７……フイラメント電圧Ｅｆ端子、１８…
…蛍光表示管、１９……グリツド、２０……アノ
ード、２１……グリツド駆動用トランジスタ、２
３……アノード駆動用トランジスタ。
FIG. 1 is a circuit diagram of a driving voltage generation circuit for a fluorescent display tube of a fluorescent display device according to an embodiment of the present invention, and FIG. 2 shows a fluorescent display tube to which the output of the circuit shown in FIG. 1 is connected and its driving circuit. FIG. 1... Electrolytic capacitor, 2, 11, 22, 24
...Resistor, 3,8,12...Capacitor, 4...
Transistor, 5... Transformer, 6... Diode, 7, 13... Zener diode, 9... Bias resistor, 10... Electrolytic capacitor, 14... Grid, anode drive voltage Vss terminal, 15, 1
6, 17...Filament voltage Ef terminal, 18...
... Fluorescent display tube, 19 ... Grid, 20 ... Anode, 21 ... Grid driving transistor, 2
3...Anode driving transistor.
Claims (1)
ンバータを備え、このコンバータを構成するトラ
ンスの２次巻線に設けたグリツド及びアノード駆
動部とフイラメント電圧発生部との間にツエナダ
イオードを接続し、前記発生部と一定電位との間
にバイアス抵抗及びコンデンサを接続したことを
特徴とする蛍光表示装置。 A DC-DC converter that generates a driving voltage for a fluorescent display tube is provided, and a Zener diode is connected between a grid and anode drive section provided in the secondary winding of a transformer constituting this converter and a filament voltage generation section, A fluorescent display device characterized in that a bias resistor and a capacitor are connected between the generator and a constant potential.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988149165U JPH082711Y2 (en) | 1988-11-15 | 1988-11-15 | Fluorescent display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988149165U JPH082711Y2 (en) | 1988-11-15 | 1988-11-15 | Fluorescent display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0269391U true JPH0269391U (en) | 1990-05-25 |
| JPH082711Y2 JPH082711Y2 (en) | 1996-01-29 |
Family
ID=31421147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988149165U Expired - Lifetime JPH082711Y2 (en) | 1988-11-15 | 1988-11-15 | Fluorescent display |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH082711Y2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52120722A (en) * | 1976-04-05 | 1977-10-11 | Toshiba Corp | Driving circuit for fluorescent display tube |
| JPS5429625U (en) * | 1977-07-29 | 1979-02-27 | ||
| JPS60184294A (en) * | 1984-03-02 | 1985-09-19 | 三菱電機株式会社 | Filament driving circuit for fluorescent indicator tube |
| JPS6449994U (en) * | 1987-09-22 | 1989-03-28 |
-
1988
- 1988-11-15 JP JP1988149165U patent/JPH082711Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52120722A (en) * | 1976-04-05 | 1977-10-11 | Toshiba Corp | Driving circuit for fluorescent display tube |
| JPS5429625U (en) * | 1977-07-29 | 1979-02-27 | ||
| JPS60184294A (en) * | 1984-03-02 | 1985-09-19 | 三菱電機株式会社 | Filament driving circuit for fluorescent indicator tube |
| JPS6449994U (en) * | 1987-09-22 | 1989-03-28 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH082711Y2 (en) | 1996-01-29 |