JPH0463161U - - Google Patents

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Publication number
JPH0463161U
JPH0463161U JP10459090U JP10459090U JPH0463161U JP H0463161 U JPH0463161 U JP H0463161U JP 10459090 U JP10459090 U JP 10459090U JP 10459090 U JP10459090 U JP 10459090U JP H0463161 U JPH0463161 U JP H0463161U
Authority
JP
Japan
Prior art keywords
light emitting
emitting diode
control device
drive circuit
utility
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
JP10459090U
Other languages
English (en)
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 filed Critical
Priority to JP10459090U priority Critical patent/JPH0463161U/ja
Publication of JPH0463161U publication Critical patent/JPH0463161U/ja
Pending legal-status Critical Current

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Description

【図面の簡単な説明】
第１図は、本考案の一実施例を示す回路図、第
２図は、同実施例及び従来装置の特性を示す説明
図、第３図は、従来発光ダイオードの輝度制御装
置を示す回路図である。 ２……発光ダイオード、３……駆動回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 発光ダイオードに与えられる電流のデユーテイ
    比を、複数段階に設定し得る駆動回路が設けられ
    たことを特徴とする発光ダイオードの輝度制御装
    置。
JP10459090U 1990-10-04 1990-10-04 Pending JPH0463161U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10459090U JPH0463161U (ja) 1990-10-04 1990-10-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10459090U JPH0463161U (ja) 1990-10-04 1990-10-04

Publications (1)

Publication Number Publication Date
JPH0463161U true JPH0463161U (ja) 1992-05-29

Family

ID=31849933

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10459090U Pending JPH0463161U (ja) 1990-10-04 1990-10-04

Country Status (1)

Country Link
JP (1) JPH0463161U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005346027A (ja) * 2004-05-31 2005-12-15 Samsung Electro Mech Co Ltd カメラフラッシュ用ｌｅｄ制御装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5632468B2 (ja) * 1978-09-04 1981-07-28
JPH02247688A (ja) * 1989-03-20 1990-10-03 Yokogawa Electric Corp Ｌｅｄの輝度制御回路

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5632468B2 (ja) * 1978-09-04 1981-07-28
JPH02247688A (ja) * 1989-03-20 1990-10-03 Yokogawa Electric Corp Ｌｅｄの輝度制御回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005346027A (ja) * 2004-05-31 2005-12-15 Samsung Electro Mech Co Ltd カメラフラッシュ用ｌｅｄ制御装置

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