JPS63180895U - - Google Patents

Info

Publication number
JPS63180895U
JPS63180895U JP7095287U JP7095287U JPS63180895U JP S63180895 U JPS63180895 U JP S63180895U JP 7095287 U JP7095287 U JP 7095287U JP 7095287 U JP7095287 U JP 7095287U JP S63180895 U JPS63180895 U JP S63180895U
Authority
JP
Japan
Prior art keywords
cathode
circuit
voltage
detection
drive signal
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
Application number
JP7095287U
Other languages
English (en)
Other versions
JPH0755584Y2 (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 JP1987070952U priority Critical patent/JPH0755584Y2/ja
Publication of JPS63180895U publication Critical patent/JPS63180895U/ja
Application granted granted Critical
Publication of JPH0755584Y2 publication Critical patent/JPH0755584Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

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

Description

【図面の簡単な説明】
第1図は本考案によるカソード駆動回路の一実
施例を示す蛍光発光形表示装置の模式図、第2図
aは同装置のスイツチングレギユレータ回路にお
いてトランジスタがオン状態のときの等価回路図
、第2図bは同回路においてトランジスタがオフ
状態のときの等価回路図、第3図は同回路によつ
て制御されるカソードの両端電圧の波形図、第4
図は従来のカソード駆動回路の一例を示す蛍光発
光形表示装置の模式図である。 8…カソード、10…電源回路、11…検出回
路、12…スイツチングレギユレータ回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. カソードに駆動信号を供給する電源回路と、前
    記駆動信号の供給に基づいてカソードの両端電圧
    を検出する検出回路と、該検出回路より出力され
    る検出信号に応答して前記両端電圧を所定電圧に
    制御するスイツチングレギユレータ回路とを備え
    たことを特徴とするカソード駆動回路。
JP1987070952U 1987-05-14 1987-05-14 蛍光表示管駆動回路 Expired - Lifetime JPH0755584Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987070952U JPH0755584Y2 (ja) 1987-05-14 1987-05-14 蛍光表示管駆動回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987070952U JPH0755584Y2 (ja) 1987-05-14 1987-05-14 蛍光表示管駆動回路

Publications (2)

Publication Number Publication Date
JPS63180895U true JPS63180895U (ja) 1988-11-22
JPH0755584Y2 JPH0755584Y2 (ja) 1995-12-20

Family

ID=30913065

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987070952U Expired - Lifetime JPH0755584Y2 (ja) 1987-05-14 1987-05-14 蛍光表示管駆動回路

Country Status (1)

Country Link
JP (1) JPH0755584Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009258278A (ja) * 2008-04-15 2009-11-05 Noritake Itron Corp 蛍光表示管のフィラメント用電源回路

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52100846A (en) * 1976-02-20 1977-08-24 Futaba Denshi Kogyo Kk Circuit for driving multiidigit fluorescent display tube
JPS61293160A (ja) * 1985-06-18 1986-12-23 Fuji Electric Co Ltd 直流電圧変換回路

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52100846A (en) * 1976-02-20 1977-08-24 Futaba Denshi Kogyo Kk Circuit for driving multiidigit fluorescent display tube
JPS61293160A (ja) * 1985-06-18 1986-12-23 Fuji Electric Co Ltd 直流電圧変換回路

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009258278A (ja) * 2008-04-15 2009-11-05 Noritake Itron Corp 蛍光表示管のフィラメント用電源回路
JP4533445B2 (ja) * 2008-04-15 2010-09-01 ノリタケ伊勢電子株式会社 蛍光表示管のフィラメント用電源回路
TWI416449B (zh) * 2008-04-15 2013-11-21 Noritake Itron Corp 用於真空螢光顯示器之絲線電源供應器電路

Also Published As

Publication number Publication date
JPH0755584Y2 (ja) 1995-12-20

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