JPS63187298U - - Google Patents
Info
- Publication number
- JPS63187298U JPS63187298U JP7841187U JP7841187U JPS63187298U JP S63187298 U JPS63187298 U JP S63187298U JP 7841187 U JP7841187 U JP 7841187U JP 7841187 U JP7841187 U JP 7841187U JP S63187298 U JPS63187298 U JP S63187298U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- circuit
- pair
- preheating
- filaments
- 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 2
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案放電灯の起動回路の一実施例を
示す構成図、第２図は本考案の他の実施例を示す
構成図、第３図は従来の放電灯の起動回路の例を
示す構成図である。
１は商用電源、２は整流回路、３はインバータ
回路、４は放電灯、４ａ及び４ｂは夫々フイラメ
ント、５ａは予熱用コンデンサ、６はポジスタで
ある。
Fig. 1 is a block diagram showing one embodiment of a starting circuit for a discharge lamp of the present invention, Fig. 2 is a block diagram showing another embodiment of the present invention, and Fig. 3 is an example of a starting circuit for a conventional discharge lamp. FIG. 1 is a commercial power source, 2 is a rectifier circuit, 3 is an inverter circuit, 4 is a discharge lamp, 4a and 4b are filaments, 5a is a preheating capacitor, and 6 is a posistor.
Claims (1)
信号が電源として供給される様になされると共に
予熱電極を構成する対の対向するフイラメントが
配設された放電灯に於いて、該対のフイラメント
間に予熱に十分なコンデンサ及びある時定数後に
電流を制御する電流制御手段の直列回路を接続し
たことを特徴とする放電灯の起動回路。 In a discharge lamp in which the output signal of a high frequency generation circuit consisting of an inverter circuit is supplied as a power source and a pair of opposing filaments forming a preheating electrode is disposed, preheating is performed between the pair of filaments. A starting circuit for a discharge lamp, characterized in that a series circuit of a sufficient capacitor and a current control means for controlling the current after a certain time constant is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7841187U JPS63187298U (en) | 1987-05-25 | 1987-05-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7841187U JPS63187298U (en) | 1987-05-25 | 1987-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63187298U true JPS63187298U (en) | 1988-11-30 |
Family
ID=30927330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7841187U Pending JPS63187298U (en) | 1987-05-25 | 1987-05-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63187298U (en) |
-
1987
- 1987-05-25 JP JP7841187U patent/JPS63187298U/ja active Pending
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