JPS59107499U - discharge lamp lighting device - Google Patents

discharge lamp lighting device

Info

Publication number
JPS59107499U
JPS59107499U JP203683U JP203683U JPS59107499U JP S59107499 U JPS59107499 U JP S59107499U JP 203683 U JP203683 U JP 203683U JP 203683 U JP203683 U JP 203683U JP S59107499 U JPS59107499 U JP S59107499U
Authority
JP
Japan
Prior art keywords
discharge lamp
high frequency
lighting device
lamp lighting
heating 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
JP203683U
Other languages
Japanese (ja)
Other versions
JPH0351920Y2 (en
Inventor
健 矢倉
Original Assignee
明治ナシヨナル工業株式会社
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 by 明治ナシヨナル工業株式会社 filed Critical 明治ナシヨナル工業株式会社
Priority to JP203683U priority Critical patent/JPS59107499U/en
Publication of JPS59107499U publication Critical patent/JPS59107499U/en
Application granted granted Critical
Publication of JPH0351920Y2 publication Critical patent/JPH0351920Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

図はこの考案の実施例を示す回路図である。 １・・・放電灯、ｌａ、　　ｌｂ・・・フィラメント、
２・・・直流電源端子、３・・・高周波インバータ、１
４・・・発振開始用のスイッチング素子、１６・・・ス
イッチング素子。The figure is a circuit diagram showing an embodiment of this invention. 1...discharge lamp, LA, LB...filament,
2...DC power supply terminal, 3...High frequency inverter, 1
4... Switching element for starting oscillation, 16... Switching element.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 直流電源端子と、前記直流電源端子に印加される直流電
圧を動作電圧として発振する高周波インバータと、前記
高周波インバータの高周波出力によって点灯する放電灯
と、前記直流電源端子に対して前記放電灯のフィラメン
トを直列に接続して、前記フィラメントを直流加熱する
加熱回路と、前記加熱回路に直列に挿入されてあって、
前記直流電源端子への直流電圧の印加によってオンとさ
れ、かつ前記高周波インバータの発振開始にともなって
オフとされるスイッチング素子とからなる放電灯点灯装
置。a DC power terminal, a high frequency inverter that oscillates using a DC voltage applied to the DC power terminal as an operating voltage, a discharge lamp that is lit by the high frequency output of the high frequency inverter, and a filament of the discharge lamp that is connected to the DC power terminal. a heating circuit which connects in series and heats the filament with direct current, and a heating circuit which is inserted in series with the heating circuit,
A discharge lamp lighting device comprising a switching element that is turned on by applying a DC voltage to the DC power supply terminal and turned off when the high frequency inverter starts oscillating.
JP203683U 1983-01-10 1983-01-10 discharge lamp lighting device Granted JPS59107499U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP203683U JPS59107499U (en) 1983-01-10 1983-01-10 discharge lamp lighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP203683U JPS59107499U (en) 1983-01-10 1983-01-10 discharge lamp lighting device

Publications (2)

Publication Number Publication Date
JPS59107499U true JPS59107499U (en) 1984-07-19
JPH0351920Y2 JPH0351920Y2 (en) 1991-11-08

Family

ID=30133734

Family Applications (1)

Application Number Title Priority Date Filing Date
JP203683U Granted JPS59107499U (en) 1983-01-10 1983-01-10 discharge lamp lighting device

Country Status (1)

Country Link
JP (1) JPS59107499U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4921338U (en) * 1972-05-23 1974-02-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4921338U (en) * 1972-05-23 1974-02-22

Also Published As

Publication number Publication date
JPH0351920Y2 (en) 1991-11-08

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