JPS59118298U - lamp lighting circuit - Google Patents
lamp lighting circuitInfo
- Publication number
- JPS59118298U JPS59118298U JP1216383U JP1216383U JPS59118298U JP S59118298 U JPS59118298 U JP S59118298U JP 1216383 U JP1216383 U JP 1216383U JP 1216383 U JP1216383 U JP 1216383U JP S59118298 U JPS59118298 U JP S59118298U
- Authority
- JP
- Japan
- Prior art keywords
- lighting circuit
- lamp lighting
- emitter
- collector
- output transistor
- 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
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図は従来のランプ点灯回路のトランジスタアレイの
回路図、第２図ａ、 ｂは従来のランプ点灯回路のラ
ツシカーレント対策の一例および他の 例の回路
図、第３図は本考案の一実施例の二回路部分の回路図で
ある。
１・・・・・・出力トランジスタ、２・・・・・・負荷
白熱ランプ、３・・・・・・直列保護抵抗、４・・曲並
列保護抵抗、５・・・・・・独立エミッタ端子、６・・
・・・・接地端子、７・・・・・・エミッタ外付抵抗、
８・・・・・・ベース電流制限抵抗、９・・・・・・保
護トランジスタ、１０・・・・−ル−、１１・・・・・
・第１の出力トランジスタ、１２・・間第２の出力トラ
ンジスタ、１３・・・・・・入力端子。Figure 1 is a circuit diagram of a transistor array of a conventional lamp lighting circuit, Figures 2a and b are circuit diagrams of an example of rash current countermeasures and other examples of a conventional lamp lighting circuit, and Figure 3 is an implementation of the present invention. FIG. 2 is a circuit diagram of an example two-circuit portion. 1: Output transistor, 2: Load incandescent lamp, 3: Series protection resistor, 4: Parallel protection resistor, 5: Independent emitter terminal , 6...
...Ground terminal, 7...Emitter external resistor,
8...Base current limiting resistor, 9...Protection transistor, 10...-Rule-, 11...
- First output transistor, 12... second output transistor, 13... input terminal.
Claims (1)
ベースとコレクタがそれぞれ接続された保護トランジス
タと、前記エミッタ端子と接地端子との間に接続された
外付抵抗と、前記出力トランジスタのコレクタと電源と
の間′に接続された白熱ランプとを備えたことを特徴と
するランプ点灯回路。[Claims for Utility Model Registration] An output device having an independent emitter terminal. a protection transistor whose base and collector are connected to the emitter and base of the output transistor, respectively, an external resistor connected between the emitter terminal and the ground terminal, and a collector of the output transistor and a power supply. 1. A lamp lighting circuit comprising: an incandescent lamp connected between
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1216383U JPS59118298U (en) | 1983-01-31 | 1983-01-31 | lamp lighting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1216383U JPS59118298U (en) | 1983-01-31 | 1983-01-31 | lamp lighting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59118298U true JPS59118298U (en) | 1984-08-09 |
Family
ID=30143567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1216383U Pending JPS59118298U (en) | 1983-01-31 | 1983-01-31 | lamp lighting circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59118298U (en) |
-
1983
- 1983-01-31 JP JP1216383U patent/JPS59118298U/en active Pending
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