JPS60186699U - Dimmer circuit for discharge lamps - Google Patents

Dimmer circuit for discharge lamps

Info

Publication number
JPS60186699U
JPS60186699U JP7434384U JP7434384U JPS60186699U JP S60186699 U JPS60186699 U JP S60186699U JP 7434384 U JP7434384 U JP 7434384U JP 7434384 U JP7434384 U JP 7434384U JP S60186699 U JPS60186699 U JP S60186699U
Authority
JP
Japan
Prior art keywords
control element
phase control
circuit
inductance
dimming
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
JP7434384U
Other languages
Japanese (ja)
Other versions
JPH0355280Y2 (en
Inventor
隆弘 中村
吉本　勤
Original Assignee
池田電機株式会社
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 池田電機株式会社 filed Critical 池田電機株式会社
Priority to JP7434384U priority Critical patent/JPS60186699U/en
Publication of JPS60186699U publication Critical patent/JPS60186699U/en
Application granted granted Critical
Publication of JPH0355280Y2 publication Critical patent/JPH0355280Y2/ja
Granted legal-status Critical Current

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  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (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]

第１図は本考案の一実施例を示す回路図、第２図は電流
波形図、第３図は従来例を示す回路図である。 ２・・・放電灯、５・・・位相制御素子、６・・・調光
部、１２・・・雑音防止回路、１３・・・コンデンサ、
１４［・・　。 インダクタンス、１５・・・電流制限素子。FIG. 1 is a circuit diagram showing an embodiment of the present invention, FIG. 2 is a current waveform diagram, and FIG. 3 is a circuit diagram showing a conventional example. 2... Discharge lamp, 5... Phase control element, 6... Light control unit, 12... Noise prevention circuit, 13... Capacitor,
14[... Inductance, 15... current limiting element.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 放電灯に供給される交流電源を調光部からの調光信号に
より位相制御する位相制御素子を、放電灯に直列に設け
、該位相制御素子に対して直列に接続されやインダクタ
ンスと該インダクタンス及び位相制御素子に対して並列
に接続されるコンデンサとにより構成した雑音防止回路
を設けた放電灯用調光回路！＝おいて、前記位相制御素
子と雑音防止回路のインダクタンスとの直列回路に、位
相、　　　制御素子のオフ期間、中に放電灯に微小電流
を流す電流制限素子を並列接続したことを特徴とする放
電灯用調光回路。A phase control element for controlling the phase of AC power supplied to the discharge lamp by a dimming signal from a dimming section is provided in series with the discharge lamp, and an inductance and an inductance are connected in series to the phase control element. A dimming circuit for discharge lamps equipped with a noise prevention circuit composed of a capacitor connected in parallel to the phase control element! =, a current limiting element that causes a minute current to flow through the discharge lamp during the off period of the phase control element is connected in parallel to the series circuit of the phase control element and the inductance of the noise prevention circuit. Dimming circuit for electric lights.
JP7434384U 1984-05-19 1984-05-19 Dimmer circuit for discharge lamps Granted JPS60186699U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7434384U JPS60186699U (en) 1984-05-19 1984-05-19 Dimmer circuit for discharge lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7434384U JPS60186699U (en) 1984-05-19 1984-05-19 Dimmer circuit for discharge lamps

Publications (2)

Publication Number Publication Date
JPS60186699U true JPS60186699U (en) 1985-12-11
JPH0355280Y2 JPH0355280Y2 (en) 1991-12-09

Family

ID=30614551

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7434384U Granted JPS60186699U (en) 1984-05-19 1984-05-19 Dimmer circuit for discharge lamps

Country Status (1)

Country Link
JP (1) JPS60186699U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57205995A (en) * 1981-06-15 1982-12-17 Matsushita Electric Works Ltd Device for firing discharge lamp

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57205995A (en) * 1981-06-15 1982-12-17 Matsushita Electric Works Ltd Device for firing discharge lamp

Also Published As

Publication number Publication date
JPH0355280Y2 (en) 1991-12-09

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