JPS5890699U - Lamp lighting control device - Google Patents

Lamp lighting control device

Info

Publication number
JPS5890699U
JPS5890699U JP18692181U JP18692181U JPS5890699U JP S5890699 U JPS5890699 U JP S5890699U JP 18692181 U JP18692181 U JP 18692181U JP 18692181 U JP18692181 U JP 18692181U JP S5890699 U JPS5890699 U JP S5890699U
Authority
JP
Japan
Prior art keywords
control device
lighting control
lamp lighting
transistor
series
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
JP18692181U
Other languages
Japanese (ja)
Other versions
JPS6214637Y2 (en
Inventor
河合　仙治
勉 坂井
Original Assignee
松下電器産業株式会社
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 松下電器産業株式会社 filed Critical 松下電器産業株式会社
Priority to JP18692181U priority Critical patent/JPS5890699U/en
Publication of JPS5890699U publication Critical patent/JPS5890699U/en
Application granted granted Critical
Publication of JPS6214637Y2 publication Critical patent/JPS6214637Y2/ja
Granted legal-status Critical Current

Links

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]

第１図は従来のランプ点灯制御装置を示す回路図、第２
図は本考案の一実施例によるランプ点灯制御装置を示す
回路図、第３図は従来のランプ点灯制御装置と本考案の
ランプ点灯制御装置の減光時の特性を比較して示す特性
図である。 ＬＰ・・・・・・ランプ、ＴＲ１，ＴＲ４・・・・・・
トランジスタ、Ｄ□・・・・・・定電圧素子、Ｒ，、Ｒ
７，Ｒ８・・・・・・抵抗、Ｃ２・・・・・・コンデン
サ、ＳＷ・・・・・・スイッチ、Ｒ・・・・・・電源端
子。Figure 1 is a circuit diagram showing a conventional lamp lighting control device, Figure 2 is a circuit diagram showing a conventional lamp lighting control device.
Fig. 3 is a circuit diagram showing a lamp lighting control device according to an embodiment of the present invention, and Fig. 3 is a characteristic diagram showing a comparison of characteristics during dimming of a conventional lamp lighting control device and the lamp lighting control device of the present invention. be. LP... Lamp, TR1, TR4...
Transistor, D□... Constant voltage element, R,, R
7, R8...Resistor, C2...Capacitor, SW...Switch, R...Power terminal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一端を電源に接続したランプの他端にトランジスタ″を
直列に接続し、そのトランジスタのベース抵抗に電圧駆
動型増幅素子と定電圧素子とを直列に接続するとともに
、前記電圧駆動型増幅素子の入力端子を抵抗を介して接
地し、かつ前記入力端子に前記ランプとトランジスタの
中間接続点に一端を接続したコンデンサの他端を接続し
たランプ点灯制御装置。A transistor" is connected in series to the other end of the lamp whose one end is connected to a power source, and a voltage-driven amplification element and a constant voltage element are connected in series to the base resistance of the transistor, and the input of the voltage-driven amplification element is connected in series. A lamp lighting control device, the terminal of which is grounded via a resistor, and the other end of a capacitor whose one end is connected to an intermediate connection point between the lamp and the transistor is connected to the input terminal.
JP18692181U 1981-12-14 1981-12-14 Lamp lighting control device Granted JPS5890699U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18692181U JPS5890699U (en) 1981-12-14 1981-12-14 Lamp lighting control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18692181U JPS5890699U (en) 1981-12-14 1981-12-14 Lamp lighting control device

Publications (2)

Publication Number Publication Date
JPS5890699U true JPS5890699U (en) 1983-06-20
JPS6214637Y2 JPS6214637Y2 (en) 1987-04-14

Family

ID=29989289

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18692181U Granted JPS5890699U (en) 1981-12-14 1981-12-14 Lamp lighting control device

Country Status (1)

Country Link
JP (1) JPS5890699U (en)

Also Published As

Publication number Publication date
JPS6214637Y2 (en) 1987-04-14

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