JPS6449994U - - Google Patents

Info

Publication number
JPS6449994U
JPS6449994U JP14492087U JP14492087U JPS6449994U JP S6449994 U JPS6449994 U JP S6449994U JP 14492087 U JP14492087 U JP 14492087U JP 14492087 U JP14492087 U JP 14492087U JP S6449994 U JPS6449994 U JP S6449994U
Authority
JP
Japan
Prior art keywords
drive voltage
display tube
fluorescent display
generation circuit
converter
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
Application number
JP14492087U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP14492087U priority Critical patent/JPS6449994U/ja
Publication of JPS6449994U publication Critical patent/JPS6449994U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係る蛍光表示管の駆動発生回
路の一実施例を示す回路構成図、第２図は第１図
の出力が接続される蛍光表示管およびその駆動回
路を示す概略図である。 １……電解コンデンサ、２……抵抗、３……コ
ンデンサ、４……トランジスタ、５……トランス
、６……ダイオード、７……ツエナーダイオード
、８……コンデンサ、９……バイアス抵抗、１０
……電解コンデンサ、１１……抵抗、１２……コ
ンデンサ、１３……ツエナーダイオード、１４…
…グリツド、アノード駆動電圧（Ｖｓｓ）端子、
１５〜１７……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、２３……アノード駆動用トランジスタ、２２
，２４……抵抗。 FIG. 1 is a circuit configuration diagram showing an embodiment of a drive generation circuit for a fluorescent display tube according to the present invention, and FIG. 2 is a schematic diagram showing a fluorescent display tube to which the output of FIG. 1 is connected and its drive circuit. be. 1... Electrolytic capacitor, 2... Resistor, 3... Capacitor, 4... Transistor, 5... Transformer, 6... Diode, 7... Zener diode, 8... Capacitor, 9... Bias resistor, 10
... Electrolytic capacitor, 11 ... Resistor, 12 ... Capacitor, 13 ... Zener diode, 14 ...
...Grid, anode drive voltage ( Vss ) terminal,
15-17...Filament voltage (Ef) terminal,
18... Fluorescent display tube, 19... Grid, 20...
...Anode, 21... Grid driving transistor, 23... Anode driving transistor, 22
, 24...Resistance.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 蛍光表示管の駆動電圧を発生するＤＣ―ＤＣコ
ンバータを主構成とする駆動電圧発生回路におい
て、ＤＣ―ＤＣコンバータを構成するトランスの
２次巻線側に設けたグリツド、アノード駆動部と
フイラメント電圧発生部の間に接続した抵抗によ
りバイアスされたツエナーダイオードと並列にコ
ンデンサを接続したことを特徴とする蛍光表示管
の駆動電圧発生回路。 In a drive voltage generation circuit mainly composed of a DC-DC converter that generates drive voltage for a fluorescent display tube, a grid, an anode drive section, and a filament voltage generator are installed on the secondary winding side of the transformer that makes up the DC-DC converter. A drive voltage generation circuit for a fluorescent display tube, characterized in that a capacitor is connected in parallel with a Zener diode biased by a resistor connected between the parts.
JP14492087U 1987-09-22 1987-09-22 Pending JPS6449994U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14492087U JPS6449994U (en) 1987-09-22 1987-09-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14492087U JPS6449994U (en) 1987-09-22 1987-09-22

Publications (1)

Publication Number Publication Date
JPS6449994U true JPS6449994U (en) 1989-03-28

Family

ID=31413052

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14492087U Pending JPS6449994U (en) 1987-09-22 1987-09-22

Country Status (1)

Country Link
JP (1) JPS6449994U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0269391U (en) * 1988-11-15 1990-05-25

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52120722A (en) * 1976-04-05 1977-10-11 Toshiba Corp Driving circuit for fluorescent display tube
JPS55125680A (en) * 1979-03-20 1980-09-27 Yoshihiro Hamakawa Photovoltaic element
JPS60184294A (en) * 1984-03-02 1985-09-19 三菱電機株式会社 Filament driving circuit for fluorescent indicator tube

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52120722A (en) * 1976-04-05 1977-10-11 Toshiba Corp Driving circuit for fluorescent display tube
JPS55125680A (en) * 1979-03-20 1980-09-27 Yoshihiro Hamakawa Photovoltaic element
JPS60184294A (en) * 1984-03-02 1985-09-19 三菱電機株式会社 Filament driving circuit for fluorescent indicator tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0269391U (en) * 1988-11-15 1990-05-25

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