JPH0312397U - - Google Patents

Info

Publication number
JPH0312397U
JPH0312397U JP7224689U JP7224689U JPH0312397U JP H0312397 U JPH0312397 U JP H0312397U JP 7224689 U JP7224689 U JP 7224689U JP 7224689 U JP7224689 U JP 7224689U JP H0312397 U JPH0312397 U JP H0312397U
Authority
JP
Japan
Prior art keywords
fluorescent lamp
inverter circuit
detects
high frequency
sensing element
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
JP7224689U
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 JP7224689U priority Critical patent/JPH0312397U/ja
Publication of JPH0312397U publication Critical patent/JPH0312397U/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、第2図は本考案の蛍光ランプ駆動装置
の1実施例、他の実施例の結線図、第3図、第4
図、第5図はそれぞれ従来例の結線図である。 1,1′……インバータ回路、3……蛍光ラン
プ、3a,3b……電極、5a,5b……サーミ
スタ、6……動作停止回路、11……給電禁止回
路。

Claims (1)

  1. 【実用新案登録請求の範囲】 直流電源をインバータ回路で高周波に変換し、
    前記インバータ回路の高周波出力を蛍光ランプに
    供給する蛍光ランプ駆動装置において、 前記蛍光ランプの電極部分の温度を検出する半
    導体感温素子と、 前記電極部分の寿命末期の温度上昇に基く前記
    感温素子の抵抗値変化により前記インバータ回路
    の動作又は給電を禁止する駆動停止手段と、 を備えた蛍光ランプ駆動装置。
JP7224689U 1989-06-20 1989-06-20 Pending JPH0312397U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7224689U JPH0312397U (ja) 1989-06-20 1989-06-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7224689U JPH0312397U (ja) 1989-06-20 1989-06-20

Publications (1)

Publication Number Publication Date
JPH0312397U true JPH0312397U (ja) 1991-02-07

Family

ID=31610017

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7224689U Pending JPH0312397U (ja) 1989-06-20 1989-06-20

Country Status (1)

Country Link
JP (1) JPH0312397U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5033211Y1 (ja) * 1969-05-06 1975-09-27
JPH11162670A (ja) * 1997-11-25 1999-06-18 Matsushita Electric Works Ltd 照明装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5033211Y1 (ja) * 1969-05-06 1975-09-27
JPH11162670A (ja) * 1997-11-25 1999-06-18 Matsushita Electric Works Ltd 照明装置

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