JPS5813698U - Light emitting element drive circuit - Google Patents

Light emitting element drive circuit

Info

Publication number
JPS5813698U
JPS5813698U JP10808681U JP10808681U JPS5813698U JP S5813698 U JPS5813698 U JP S5813698U JP 10808681 U JP10808681 U JP 10808681U JP 10808681 U JP10808681 U JP 10808681U JP S5813698 U JPS5813698 U JP S5813698U
Authority
JP
Japan
Prior art keywords
light emitting
emitting element
drive circuit
capacitor
current limiting
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
Application number
JP10808681U
Other languages
Japanese (ja)
Inventor
博 池田
藤田　好一
Original Assignee
株式会社ケンウッド
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社ケンウッド filed Critical 株式会社ケンウッド
Priority to JP10808681U priority Critical patent/JPS5813698U/en
Publication of JPS5813698U publication Critical patent/JPS5813698U/en
Pending legal-status Critical Current

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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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の発光素子駆動回路を示す回路図、第２図
ないし第４図は本考案の実施例をそれぞれ示す回路図で
ある。 １・・・駆動トランジスタ、２・・・発光素子、３・・
・発光素子電流制限抵抗、７・・・コンデンサ、８．９
・・・過渡電流制限抵抗。FIG. 1 is a circuit diagram showing a conventional light emitting device driving circuit, and FIGS. 2 to 4 are circuit diagrams showing embodiments of the present invention. 1... Drive transistor, 2... Light emitting element, 3...
・Light emitting element current limiting resistor, 7... Capacitor, 8.9
...Transient current limiting resistance.

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）　　発光素子の駆動トランジスタのベースにパル
ス波形の駆動信号を加えて発光素子をダイナミック点灯
させる回路において、発光素子電流制限抵抗にコンデン
サを含む回路を並列接続したことを特徴とする発光素子
駆動回路。(1) A light emitting element drive circuit that dynamically lights up a light emitting element by applying a pulse waveform drive signal to the base of a drive transistor of the light emitting element, characterized in that a circuit including a capacitor is connected in parallel to a light emitting element current limiting resistor. circuit. （２）前記コンデンサを含む回路に該コンデンサと直列
接続された過渡電流制限抵抗を有することを特徴とする
実用新案登録請求の範囲第１項記載の発光素子駆動回路
。(2) The light emitting element drive circuit according to claim 1, which is a registered utility model, characterized in that the circuit including the capacitor has a transient current limiting resistor connected in series with the capacitor. （３）　　前記発光素子電流制限抵抗とコンデンサを含
む回路との並列接続回路に直列接続された過渡電流制限
抵抗を有することを特徴とする実用新案登録請求の範囲
第１項記載の発光素子駆動回路。(3) The light emitting element drive circuit according to claim 1, which is a utility model registration, characterized by having a transient current limiting resistor connected in series to a parallel connection circuit of the light emitting element current limiting resistor and a circuit including a capacitor. .
JP10808681U 1981-07-20 1981-07-20 Light emitting element drive circuit Pending JPS5813698U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10808681U JPS5813698U (en) 1981-07-20 1981-07-20 Light emitting element drive circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10808681U JPS5813698U (en) 1981-07-20 1981-07-20 Light emitting element drive circuit

Publications (1)

Publication Number Publication Date
JPS5813698U true JPS5813698U (en) 1983-01-28

Family

ID=29902508

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10808681U Pending JPS5813698U (en) 1981-07-20 1981-07-20 Light emitting element drive circuit

Country Status (1)

Country Link
JP (1) JPS5813698U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015081860A (en) * 2013-10-23 2015-04-27 コイト電工株式会社 Optical beacon vehicle sensing optical modulation circuit
JP2018182049A (en) * 2017-04-12 2018-11-15 Ｚｉｇｅｎライティングソリューション株式会社 Light-emitting device and illuminating device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015081860A (en) * 2013-10-23 2015-04-27 コイト電工株式会社 Optical beacon vehicle sensing optical modulation circuit
JP2018182049A (en) * 2017-04-12 2018-11-15 Ｚｉｇｅｎライティングソリューション株式会社 Light-emitting device and illuminating device

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