JPH03118594U - - Google Patents

Info

Publication number
JPH03118594U
JPH03118594U JP2721590U JP2721590U JPH03118594U JP H03118594 U JPH03118594 U JP H03118594U JP 2721590 U JP2721590 U JP 2721590U JP 2721590 U JP2721590 U JP 2721590U JP H03118594 U JPH03118594 U JP H03118594U
Authority
JP
Japan
Prior art keywords
drive circuit
discharge lamp
reference voltage
changing
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.)
Pending
Application number
JP2721590U
Other languages
English (en)
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 JP2721590U priority Critical patent/JPH03118594U/ja
Publication of JPH03118594U publication Critical patent/JPH03118594U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
JP2721590U 1990-03-19 1990-03-19 Pending JPH03118594U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2721590U JPH03118594U (enrdf_load_stackoverflow) 1990-03-19 1990-03-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2721590U JPH03118594U (enrdf_load_stackoverflow) 1990-03-19 1990-03-19

Publications (1)

Publication Number Publication Date
JPH03118594U true JPH03118594U (enrdf_load_stackoverflow) 1991-12-06

Family

ID=31530081

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2721590U Pending JPH03118594U (enrdf_load_stackoverflow) 1990-03-19 1990-03-19

Country Status (1)

Country Link
JP (1) JPH03118594U (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01315789A (ja) * 1988-06-15 1989-12-20 Matsushita Electric Works Ltd ディスプレイ表示素子駆動回路

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01315789A (ja) * 1988-06-15 1989-12-20 Matsushita Electric Works Ltd ディスプレイ表示素子駆動回路

Similar Documents

Publication Publication Date Title
US6137240A (en) Universal ballast control circuit
US4999547A (en) Ballast for high pressure sodium lamps having constant line and lamp wattage
JPH08237959A (ja) 電源回路
WO2001087020A1 (en) Universal ballast control circuit
JPH03118594U (enrdf_load_stackoverflow)
JPH02123965A (ja) 電源装置
JPH08213184A (ja) 放電灯点灯装置およびそれを用いた液晶バックライト
JPH03233895A (ja) 放電灯点灯装置
JPH06267685A (ja) ランプ点灯回路
JPH08205542A (ja) 直流コンバータ装置
JPS5844797U (ja) 放電灯調光装置
JP2566145B2 (ja) スイッチング電源回路
JPH07288186A (ja) 蛍光灯回路
JP2797599B2 (ja) スイッチング電源装置
JPS6377371U (enrdf_load_stackoverflow)
JP2554736Y2 (ja) スイッチングレギュレ−タ
JP2697815B2 (ja) インバータ装置
JPS61256682A (ja) レ−ザダイオ−ド駆動回路
JP2598495Y2 (ja) 放電管点灯装置
JPS624099U (enrdf_load_stackoverflow)
JPS61195599A (ja) 放電灯調光装置
JPH0378465A (ja) 電流共振型電源の制御回路
JPH0254029B2 (enrdf_load_stackoverflow)
JPS62107400U (enrdf_load_stackoverflow)
JPH0348383U (enrdf_load_stackoverflow)