JPS59107499U - discharge lamp lighting device - Google Patents
discharge lamp lighting deviceInfo
- 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
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)
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.
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4921338U (en) * | 1972-05-23 | 1974-02-22 |
-
1983
- 1983-01-10 JP JP203683U patent/JPS59107499U/en active Granted
Patent Citations (1)
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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