JPH0186198U - - Google Patents
Info
- Publication number
- JPH0186198U JPH0186198U JP18113287U JP18113287U JPH0186198U JP H0186198 U JPH0186198 U JP H0186198U JP 18113287 U JP18113287 U JP 18113287U JP 18113287 U JP18113287 U JP 18113287U JP H0186198 U JPH0186198 U JP H0186198U
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- electrode
- high frequency
- interposed
- discharge lamp
- 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
- 239000003990 capacitor Substances 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図は本考案実施例の説明図、第２図は電流
波形の説明図、第３図は輝線状態の説明図をそれ
ぞれ示す。
１…高周波電源、２…放電ランプ、２１，２２
…主電極、２３…第３電極、Ｃ１…第１コンデン
サー、Ｃ２…第２コンデンサー、Ｃ３…第３コン
デンサー。
FIG. 1 is an explanatory diagram of an embodiment of the present invention, FIG. 2 is an explanatory diagram of a current waveform, and FIG. 3 is an explanatory diagram of a bright line state. 1...High frequency power supply, 2...Discharge lamp, 21, 22
...Main electrode, 23...Third electrode, C1 ...First capacitor, C2 ...Second capacitor, C3 ...Third capacitor.
Claims (1)
該管形バルブの外面の所定位置に第３電極が配設
された放電ランプ用の点灯装置であつて、 前記一対の主電極と接続される高周波電源の出
力側の少なくとも一方に第１コンデンサーを介装
するとともに、該第１コンデンサーの前段側より
分岐して第３電極と接続される高周波電源の出力
側との間に第２コンデンサーを介装し、該第１コ
ンデンサーと第２コンデンサーの後段側を第３コ
ンデンサーで接続したことを特徴とする放電ラン
プ点灯装置。[Claims for Utility Model Registration] A tubular valve has a pair of main electrodes at both ends,
A lighting device for a discharge lamp in which a third electrode is disposed at a predetermined position on the outer surface of the tubular bulb, wherein a first capacitor is provided on at least one of the output sides of the high frequency power source connected to the pair of main electrodes. At the same time, a second capacitor is interposed between the output side of a high frequency power source branched from the front side of the first capacitor and connected to the third electrode, and a second capacitor is interposed between the first capacitor and the second capacitor. A discharge lamp lighting device characterized in that the sides are connected by a third capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18113287U JPH0186198U (en) | 1987-11-30 | 1987-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18113287U JPH0186198U (en) | 1987-11-30 | 1987-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0186198U true JPH0186198U (en) | 1989-06-07 |
Family
ID=31472630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18113287U Pending JPH0186198U (en) | 1987-11-30 | 1987-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0186198U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5713117A (en) * | 1980-06-27 | 1982-01-23 | Sumitomo Metal Ind Ltd | Adding method for barium to molten steel |
-
1987
- 1987-11-30 JP JP18113287U patent/JPH0186198U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5713117A (en) * | 1980-06-27 | 1982-01-23 | Sumitomo Metal Ind Ltd | Adding method for barium to molten steel |