JPH02137798U - - Google Patents

Info

Publication number
JPH02137798U
JPH02137798U JP4732089U JP4732089U JPH02137798U JP H02137798 U JPH02137798 U JP H02137798U JP 4732089 U JP4732089 U JP 4732089U JP 4732089 U JP4732089 U JP 4732089U JP H02137798 U JPH02137798 U JP H02137798U
Authority
JP
Japan
Prior art keywords
lamp lighting
discharge lamp
lighting device
filaments
discharge
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
JP4732089U
Other languages
English (en)
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 JP4732089U priority Critical patent/JPH02137798U/ja
Publication of JPH02137798U publication Critical patent/JPH02137798U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)

Description

【図面の簡単な説明】
第１図は本考案の第１実施例を示す回路図、第
２図は同第２実施例を示す回路図、第３図は同第
３実施例を示す回路図、第４図は同第４実施例を
示す回路図、第５図は従来例を示す回路図である
。 ２……リーケージトランス、４〜６，５ａ，５
ｂ……予熱巻線、７，８……放電灯、９〜１２…
…フイラメント、１３〜１６……正特性サーミス
タ。

Claims (1)

    【実用新案登録請求の範囲】
  1. ２個の放電灯７，８を備えると共に、各放電灯
    ７，８のフイラメント９〜１２を予熱する予熱巻
    線４〜６との間に焼損防止用の正特性サーミスタ
    １３〜１６を介装した直列２灯点灯型の放電灯点
    灯装置において、２個の放電灯７，８の共通フイ
    ラメント１０，１１を直列に接続し、この各フイ
    ラメント１０，１１と予熱巻線５，５ａ，５ｂと
    の間に正特性サーミスタ１４，１５を介装したこ
    とを特徴とする放電灯点灯装置。
JP4732089U 1989-04-21 1989-04-21 Pending JPH02137798U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4732089U JPH02137798U (ja) 1989-04-21 1989-04-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4732089U JPH02137798U (ja) 1989-04-21 1989-04-21

Publications (1)

Publication Number Publication Date
JPH02137798U true JPH02137798U (ja) 1990-11-16

Family

ID=31563144

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4732089U Pending JPH02137798U (ja) 1989-04-21 1989-04-21

Country Status (1)

Country Link
JP (1) JPH02137798U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07161482A (ja) * 1993-12-13 1995-06-23 U R D:Kk 蛍光灯高周波定電流点灯回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07161482A (ja) * 1993-12-13 1995-06-23 U R D:Kk 蛍光灯高周波定電流点灯回路

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