JPS60123087U - Light emitting diode flashing circuit - Google Patents
Light emitting diode flashing circuitInfo
- Publication number
- JPS60123087U JPS60123087U JP547784U JP547784U JPS60123087U JP S60123087 U JPS60123087 U JP S60123087U JP 547784 U JP547784 U JP 547784U JP 547784 U JP547784 U JP 547784U JP S60123087 U JPS60123087 U JP S60123087U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- emitting diode
- resistor
- base
- switching 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
Landscapes
- Audible And Visible Signals (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図は本考案の第１の実施例を示す回路図、また第２
図は第２の実施例を示す回路図である。
１・・・・・・直流電源、２〜４・・・、・・・抵抗、
５・・・・・・コンデンサ、６，７・・・・・・トラン
ジスタ、８・・・・・・発光ダイオード、９・・・・・
・ＣｄＳ。FIG. 1 is a circuit diagram showing a first embodiment of the present invention, and a second embodiment of the present invention is shown in FIG.
The figure is a circuit diagram showing a second embodiment. 1...DC power supply, 2-4...,...resistance,
5...Capacitor, 6,7...Transistor, 8...Light emitting diode, 9...
・CdS.
Claims (2)
ードと保護抵抗及び時定数回路を構成するコンデンサと
抵抗の直列回路と、ベースを前記時定数回路を構成する
コンデンサ及び抵抗の接続点に接続されると共にエミッ
タを前記発光ダイオードのアノード側に接続される第１
のスイッチング用トランジスタと、該第１のスイッチ・
ング用トランジスタのコレクタにベースを接続され
コレクタを前記保護抵抗及びコンデンサの接続点に接続
されると共にベースを接地された第２のスイッチング用
トランジスタと、前記第１９トランジスタのエミッタと
ベース間に接続される抵抗とにより構成されることを特
徴とする発光ダイオード点滅回路。(1) A DC power supply, a series circuit of a light emitting diode connected to the DC power supply, a protective resistor, and a capacitor and a resistor that constitute a time constant circuit, and a base connected to the connection point of the capacitor and resistor that constitute the time constant circuit. a first one connected to the anode side of the light emitting diode and having an emitter connected to the anode side of the light emitting diode;
a switching transistor, and the first switch.
a second switching transistor whose base is connected to the collector of the switching transistor, whose collector is connected to the connection point of the protective resistor and the capacitor, and whose base is grounded; and a second switching transistor connected between the emitter and the base of the nineteenth transistor. A light emitting diode blinking circuit characterized in that it is comprised of a resistor and a resistor.
間に接続される抵抗を光導電素子としたことを特徴とす
る実用新案登録請求の範囲第（１）項記載の発光ダイオ
ード点滅回路。(2) The light emitting diode blinking circuit according to claim 1, wherein the resistor connected between the base and emitter of the first transistor is a photoconductive element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP547784U JPS60123087U (en) | 1984-01-19 | 1984-01-19 | Light emitting diode flashing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP547784U JPS60123087U (en) | 1984-01-19 | 1984-01-19 | Light emitting diode flashing circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60123087U true JPS60123087U (en) | 1985-08-19 |
Family
ID=30482018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP547784U Pending JPS60123087U (en) | 1984-01-19 | 1984-01-19 | Light emitting diode flashing circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60123087U (en) |
-
1984
- 1984-01-19 JP JP547784U patent/JPS60123087U/en active Pending
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