JPH0265899U - - Google Patents

Info

Publication number
JPH0265899U
JPH0265899U JP14504388U JP14504388U JPH0265899U JP H0265899 U JPH0265899 U JP H0265899U JP 14504388 U JP14504388 U JP 14504388U JP 14504388 U JP14504388 U JP 14504388U JP H0265899 U JPH0265899 U JP H0265899U
Authority
JP
Japan
Prior art keywords
fluorescent lamp
power supply
output voltage
temperature
stabilized power
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
JP14504388U
Other languages
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 JP14504388U priority Critical patent/JPH0265899U/ja
Publication of JPH0265899U publication Critical patent/JPH0265899U/ja
Pending legal-status Critical Current

Links

Description

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

第１図は本考案の螢光灯駆動回路の一実施例を
示す回路図、第２図は螢光灯の周囲温度と輝度の
関係を示す特性図である。 １，１′……電源入力端子、２……安定化電源
回路、３……高周波インバータ回路、４……螢光
灯、Ｒｓ……正特性サーミスタ（感温抵抗素子）
。 FIG. 1 is a circuit diagram showing an embodiment of the fluorescent lamp drive circuit of the present invention, and FIG. 2 is a characteristic diagram showing the relationship between ambient temperature and brightness of the fluorescent lamp. 1, 1'...Power input terminal, 2...Stabilized power supply circuit, 3...High frequency inverter circuit, 4...Fluorescent lamp, Rs...Positive characteristic thermistor (temperature sensitive resistance element)
.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 安定化電源回路から供給される直流出力電圧を
入力とする高周波インバータ回路によつて螢光灯
を点灯せしめるようにした螢光灯駆動回路に於い
て、前記安定化電源回路に感温抵抗素子を設け、
この素子により上記出力電圧を周囲温度に応じて
変化させて温度変動による前記螢光灯の輝度変化
を補償するようにしたことを特徴とする螢光灯駆
動回路。 In a fluorescent lamp drive circuit that lights a fluorescent lamp by a high-frequency inverter circuit that inputs a DC output voltage supplied from a stabilized power supply circuit, a temperature-sensitive resistance element is provided in the stabilized power supply circuit. established,
A fluorescent lamp drive circuit characterized in that the output voltage is changed according to the ambient temperature by this element to compensate for changes in brightness of the fluorescent lamp due to temperature fluctuations.
JP14504388U 1988-11-07 1988-11-07 Pending JPH0265899U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14504388U JPH0265899U (en) 1988-11-07 1988-11-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14504388U JPH0265899U (en) 1988-11-07 1988-11-07

Publications (1)

Publication Number Publication Date
JPH0265899U true JPH0265899U (en) 1990-05-17

Family

ID=31413287

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14504388U Pending JPH0265899U (en) 1988-11-07 1988-11-07

Country Status (1)

Country Link
JP (1) JPH0265899U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06163160A (en) * 1992-11-25 1994-06-10 Meitaku Syst:Kk High voltage transformer and lighting circuit using high voltage transformer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06163160A (en) * 1992-11-25 1994-06-10 Meitaku Syst:Kk High voltage transformer and lighting circuit using high voltage transformer

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