JPS6142590U - Light emitting diode drive circuit - Google Patents
Light emitting diode drive circuitInfo
- Publication number
- JPS6142590U JPS6142590U JP12727884U JP12727884U JPS6142590U JP S6142590 U JPS6142590 U JP S6142590U JP 12727884 U JP12727884 U JP 12727884U JP 12727884 U JP12727884 U JP 12727884U JP S6142590 U JPS6142590 U JP S6142590U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- emitting diode
- drive circuit
- diode drive
- terminal
- 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
- Control Of Indicators Other Than Cathode Ray Tubes (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図及び第２図は夫々本考案回路の一実施例の回路図
及びその動作説明用信号波形図、第３図及び第４図、第
５図は夫々従来回路の一例の回路図及びその′動作説明
用波形図である。
１・・・・・・発光タイオード、２・・・・・・フォト
トランジスタ、４・・・・・・バツテリ、７・・・・・
・駆動トランジスタ、８〜１０・・・・・・抵Ｌ １
１・・・・・・ＤＣ−ＤＣコンバータ。1 and 2 are a circuit diagram of an embodiment of the circuit of the present invention and signal waveform diagrams for explaining its operation, and FIGS. 3, 4, and 5 are circuit diagrams of an example of a conventional circuit and their 'It is a waveform diagram for explaining the operation. 1...Light emitting diode, 2...Phototransistor, 4...Battery, 7...
・Drive transistor, 8 to 10... Resistor L 1
1...DC-DC converter.
Claims (1)
クタをバツテリの一方の端子に接続し、そのエミツタを
発光ダイオードを介して該バツテリの他方の端子に接続
してなる発光ダイオードの駆動回路。A light emitting diode drive circuit comprising a transistor whose base is connected to a stabilized power source, whose collector is connected to one terminal of a battery, and whose emitter is connected to the other terminal of the battery via a light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12727884U JPS6142590U (en) | 1984-08-22 | 1984-08-22 | Light emitting diode drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12727884U JPS6142590U (en) | 1984-08-22 | 1984-08-22 | Light emitting diode drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6142590U true JPS6142590U (en) | 1986-03-19 |
Family
ID=30685926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12727884U Pending JPS6142590U (en) | 1984-08-22 | 1984-08-22 | Light emitting diode drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6142590U (en) |
-
1984
- 1984-08-22 JP JP12727884U patent/JPS6142590U/en active Pending
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