JPS60193751U - LED drive circuit - Google Patents

LED drive circuit

Info

Publication number
JPS60193751U
JPS60193751U JP1984081173U JP8117384U JPS60193751U JP S60193751 U JPS60193751 U JP S60193751U JP 1984081173 U JP1984081173 U JP 1984081173U JP 8117384 U JP8117384 U JP 8117384U JP S60193751 U JPS60193751 U JP S60193751U
Authority
JP
Japan
Prior art keywords
drive circuit
led drive
inductance means
induced voltage
light
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
JP1984081173U
Other languages
Japanese (ja)
Inventor
敏夫 天野
Original Assignee
ソニー株式会社
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 ソニー株式会社 filed Critical ソニー株式会社
Priority to JP1984081173U priority Critical patent/JPS60193751U/en
Publication of JPS60193751U publication Critical patent/JPS60193751U/en
Pending legal-status Critical Current

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  • Details Of Television Systems (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Selective Calling Equipment (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

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

第１図及び第２図は本考案ＬＥＤ駆動回路の実施の一例
を説明するためのもので、第１図は回路図、第２図はタ
イムチャート、第３図は本考案ＬＥＤ駆動回路の別の実
施例を示す回路図、第４図乃至第６図はＬＥＤ駆動回路
の各別の従来例を示す回路図である。 符号の説明、ＬＥＤ・・・発光ダイオード、Ｌ・・・イ
ンダクタンス手段、Ｑ・・・スイッチング素子。Figures 1 and 2 are for explaining an example of the implementation of the LED drive circuit of the present invention, in which Figure 1 is a circuit diagram, Figure 2 is a time chart, and Figure 3 is an alternative implementation of the LED drive circuit of the present invention. FIGS. 4 to 6 are circuit diagrams showing different conventional examples of LED drive circuits. Explanation of symbols: LED...Light emitting diode, L...Inductance means, Q...Switching element.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] インダクタンス手段と、該インダクタンス手段に流れる
電流を断続することによりインダクタンス手段に誘起電
圧を発生させるスイッチング素子と、上記誘起電圧を受
けて点灯する１又は直列に接続された複数の発光ダイオ
ードとから成ることを特徴とするＬＥＤ駆動回路。consisting of an inductance means, a switching element that generates an induced voltage in the inductance means by intermittent current flowing through the inductance means, and one or a plurality of light emitting diodes connected in series that light up in response to the induced voltage; An LED drive circuit featuring:
JP1984081173U 1984-05-31 1984-05-31 LED drive circuit Pending JPS60193751U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984081173U JPS60193751U (en) 1984-05-31 1984-05-31 LED drive circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984081173U JPS60193751U (en) 1984-05-31 1984-05-31 LED drive circuit

Publications (1)

Publication Number Publication Date
JPS60193751U true JPS60193751U (en) 1985-12-23

Family

ID=30627708

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984081173U Pending JPS60193751U (en) 1984-05-31 1984-05-31 LED drive circuit

Country Status (1)

Country Link
JP (1) JPS60193751U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5235970B2 (en) * 1971-10-30 1977-09-12

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5235970B2 (en) * 1971-10-30 1977-09-12

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