JPS6087499U - Lighting device with dimming - Google Patents
Lighting device with dimmingInfo
- Publication number
- JPS6087499U JPS6087499U JP18071383U JP18071383U JPS6087499U JP S6087499 U JPS6087499 U JP S6087499U JP 18071383 U JP18071383 U JP 18071383U JP 18071383 U JP18071383 U JP 18071383U JP S6087499 U JPS6087499 U JP S6087499U
- Authority
- JP
- Japan
- Prior art keywords
- dimming
- lighting device
- power source
- discharge lamps
- voltage
- 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
Links
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- 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
第１図は本考案装置の第１の実施例のブロック図、第２
図は同上の具体的回路図、第３図は第２の実施例のブロ
ック図、第４図は第３の実施例のブロック図、第５図は
本考案装置の他側を示すブロック図である。
１・・・直流電源、２・・・制御手段、３・・・インバ
ータ回路、５・・・トランス、６，７・・・放電灯、８
，９・・・限流素子、１０．ｌｅａ・・・インピーダン
ス可変素子、１１・・・検出手段。FIG. 1 is a block diagram of the first embodiment of the device of the present invention;
The figure is a specific circuit diagram of the same as above, Figure 3 is a block diagram of the second embodiment, Figure 4 is a block diagram of the third embodiment, and Figure 5 is a block diagram showing the other side of the device of the present invention. be. DESCRIPTION OF SYMBOLS 1... DC power supply, 2... Control means, 3... Inverter circuit, 5... Transformer, 6, 7... Discharge lamp, 8
, 9... current limiting element, 10. lea... variable impedance element, 11... detection means.
Claims (1)
流電源を電源とし２次側に電圧を発生させるトランスを
有するインバータ回路と、前記トランスの２次側にそれ
ぞれ限流素子を介して並列接続された少な（とも２本の
放電灯と、前記いずれか一方の放電灯に流れる電流を検
出する検出手段とを備えた調光付点灯装置において、少
なくとも前記放電灯のいずれか一方に直列にインピーダ
ンス可変素子を接続し、そのインピーダンス可変素子に
より各放電灯の光量比を任意に設定し得るようにしたこ
とを特徴とする調光付点灯装置。an inverter circuit having a DC power source having a control means that can vary the voltage; a transformer that uses the DC power source as a power source and generates a voltage on a secondary side; In a lighting device with dimming comprising two discharge lamps and a detection means for detecting a current flowing through one of the discharge lamps, a variable impedance is provided in series with at least one of the discharge lamps. 1. A lighting device with dimming, characterized in that the light intensity ratio of each discharge lamp can be arbitrarily set by connecting elements and using the variable impedance element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18071383U JPS6087499U (en) | 1983-11-21 | 1983-11-21 | Lighting device with dimming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18071383U JPS6087499U (en) | 1983-11-21 | 1983-11-21 | Lighting device with dimming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6087499U true JPS6087499U (en) | 1985-06-15 |
Family
ID=30391764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18071383U Pending JPS6087499U (en) | 1983-11-21 | 1983-11-21 | Lighting device with dimming |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6087499U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007288872A (en) * | 2006-04-13 | 2007-11-01 | Rohm Co Ltd | Inverter device, light-emitting apparatus employing same, and image display apparatus |
-
1983
- 1983-11-21 JP JP18071383U patent/JPS6087499U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007288872A (en) * | 2006-04-13 | 2007-11-01 | Rohm Co Ltd | Inverter device, light-emitting apparatus employing same, and image display apparatus |
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