JPH0334257U - - Google Patents

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Publication number
JPH0334257U
JPH0334257U JP9438489U JP9438489U JPH0334257U JP H0334257 U JPH0334257 U JP H0334257U JP 9438489 U JP9438489 U JP 9438489U JP 9438489 U JP9438489 U JP 9438489U JP H0334257 U JPH0334257 U JP H0334257U
Authority
JP
Japan
Prior art keywords
light emitting
transistors
emitting diode
utility
diode drive
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
JP9438489U
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 JP9438489U priority Critical patent/JPH0334257U/ja
Publication of JPH0334257U publication Critical patent/JPH0334257U/ja
Pending legal-status Critical Current

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Description

【図面の簡単な説明】
第１図はこの考案に係る発光ダイオード駆動回
路の実施例を示した回路図である。第２図は従来
例の回路図である。 主な符号の説明、１……駆動電源の入力端子、
２……駆動信号の入力端子、３……ダミー回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 複数の発光ダイオードとトランジスタより成る
    発光ダイオード駆動回路において、 トランジスタで構成したダミー回路を設けたこ
    とを特徴とする発光ダイオード駆動回路。
JP9438489U 1989-08-14 1989-08-14 Pending JPH0334257U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9438489U JPH0334257U (ja) 1989-08-14 1989-08-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9438489U JPH0334257U (ja) 1989-08-14 1989-08-14

Publications (1)

Publication Number Publication Date
JPH0334257U true JPH0334257U (ja) 1991-04-04

Family

ID=31643716

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9438489U Pending JPH0334257U (ja) 1989-08-14 1989-08-14

Country Status (1)

Country Link
JP (1) JPH0334257U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5451452A (en) * 1977-09-30 1979-04-23 Fujitsu Ltd Light emitting element drive circuit
JPS639164B2 (ja) * 1979-12-31 1988-02-26 Sony Magnescale Inc

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5451452A (en) * 1977-09-30 1979-04-23 Fujitsu Ltd Light emitting element drive circuit
JPS639164B2 (ja) * 1979-12-31 1988-02-26 Sony Magnescale Inc

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