JPH01145086U - - Google Patents

Info

Publication number
JPH01145086U
JPH01145086U JP1988041084U JP4108488U JPH01145086U JP H01145086 U JPH01145086 U JP H01145086U JP 1988041084 U JP1988041084 U JP 1988041084U JP 4108488 U JP4108488 U JP 4108488U JP H01145086 U JPH01145086 U JP H01145086U
Authority
JP
Japan
Prior art keywords
voltage
drive
pulse
display
drive circuit
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
JP1988041084U
Other languages
English (en)
Other versions
JPH0527837Y2 (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 JP1988041084U priority Critical patent/JPH0527837Y2/ja
Publication of JPH01145086U publication Critical patent/JPH01145086U/ja
Application granted granted Critical
Publication of JPH0527837Y2 publication Critical patent/JPH0527837Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Control Of El Displays (AREA)
  • Dc-Dc Converters (AREA)
  • Electroluminescent Light Sources (AREA)

Description

【図面の簡単な説明】
図は本考案の一実施例を示す回路構成図である
。 1……PWM方式のDC―DCコンバータ、2
……駆動回路、3……EL表示器、4……パルス
発振回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 車載バツテリの電源電圧を高圧の直流電圧に変
    換するパルス幅制御方式のDC―DCコンバータ
    と、該コンバータで変換された高圧の直流電圧を
    駆動電圧としてEL表示器を駆動するように構成
    されたスイツチ素子からなる駆動回路と、前記E
    L表示器を点灯させるための所定周波数のパルス
    信号を発生してそのパルス信号により前記駆動回
    路のスイツチ素子をオン、オフ動作させるパルス
    発振回路とを設け、前記駆動回路のスイツチ素子
    のオン、オフ動作に伴なう駆動パルス電圧により
    前記EL表示器を点灯駆動するようにしたことを
    特徴とする車載用EL駆動装置。
JP1988041084U 1988-03-30 1988-03-30 Expired - Lifetime JPH0527837Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988041084U JPH0527837Y2 (ja) 1988-03-30 1988-03-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988041084U JPH0527837Y2 (ja) 1988-03-30 1988-03-30

Publications (2)

Publication Number Publication Date
JPH01145086U true JPH01145086U (ja) 1989-10-05
JPH0527837Y2 JPH0527837Y2 (ja) 1993-07-15

Family

ID=31267535

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988041084U Expired - Lifetime JPH0527837Y2 (ja) 1988-03-30 1988-03-30

Country Status (1)

Country Link
JP (1) JPH0527837Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8698978B2 (en) 2004-06-11 2014-04-15 Mflex Uk Limited Electroluminescent displays

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5872368A (ja) * 1981-10-23 1983-04-30 Hitachi Ltd 車載用電源装置
JPS58184571A (ja) * 1983-03-31 1983-10-28 シチズン時計株式会社 小型電子機器の表示照明装置
JPS61207177A (ja) * 1985-03-09 1986-09-13 Ricoh Co Ltd 多出スイツチングレギユレ−タ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5872368A (ja) * 1981-10-23 1983-04-30 Hitachi Ltd 車載用電源装置
JPS58184571A (ja) * 1983-03-31 1983-10-28 シチズン時計株式会社 小型電子機器の表示照明装置
JPS61207177A (ja) * 1985-03-09 1986-09-13 Ricoh Co Ltd 多出スイツチングレギユレ−タ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8698978B2 (en) 2004-06-11 2014-04-15 Mflex Uk Limited Electroluminescent displays

Also Published As

Publication number Publication date
JPH0527837Y2 (ja) 1993-07-15

Similar Documents

Publication Publication Date Title
JPH01145086U (ja)
JPS61199439U (ja)
JPH0337921U (ja)
JPS6284882U (ja)
JPS6217243U (ja)
JPS6270685U (ja)
JPH0346995U (ja)
JPS63120583U (ja)
JPS6440240U (ja)
JPS63198091U (ja)
JPS6260011U (ja)
JPH0169382U (ja)
JPS63164199U (ja)
JPS6237790U (ja)
JPS6257437U (ja)
JPS6238098U (ja)
JPH01129794U (ja)
JPS63181060U (ja)
JPS63182686U (ja)
JPS61138390U (ja)
JPS61161995U (ja)
JPS6380599U (ja)
JPH01116591U (ja)
JPH0377243U (ja)
JPH0346994U (ja)