JPS6265799U - - Google Patents

Info

Publication number
JPS6265799U
JPS6265799U JP15576685U JP15576685U JPS6265799U JP S6265799 U JPS6265799 U JP S6265799U JP 15576685 U JP15576685 U JP 15576685U JP 15576685 U JP15576685 U JP 15576685U JP S6265799 U JPS6265799 U JP S6265799U
Authority
JP
Japan
Prior art keywords
transistor
drive circuit
type display
lamp drive
lamp
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
JP15576685U
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 JP15576685U priority Critical patent/JPS6265799U/ja
Publication of JPS6265799U publication Critical patent/JPS6265799U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図および第2図はそれぞれ本考案の各実施
例を示す回路図、第3図は従来のランプドライブ
回路の一例を示す回路図である。 R……抵抗、L……ランプ、LED……LED
ランプ、T……トランジスタ、ZD……定電圧ダ
イオード、P―N……直流電源、I……表示入力

Claims (1)

    【実用新案登録請求の範囲】
  1. 発光ダイオード形表示器または白熱ランプ形表
    示器をトランジスタを介してオンオフさせるラン
    プドライブ回路において、トランジスタのベース
    に定電圧ダイオードを並列接続すると共にエミツ
    タに抵抗を直列接続して定電流のエミツタフオロ
    ア回路を構成したことを特徴とするランプドライ
    ブ回路。
JP15576685U 1985-10-14 1985-10-14 Pending JPS6265799U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15576685U JPS6265799U (ja) 1985-10-14 1985-10-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15576685U JPS6265799U (ja) 1985-10-14 1985-10-14

Publications (1)

Publication Number Publication Date
JPS6265799U true JPS6265799U (ja) 1987-04-23

Family

ID=31076762

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15576685U Pending JPS6265799U (ja) 1985-10-14 1985-10-14

Country Status (1)

Country Link
JP (1) JPS6265799U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008300209A (ja) * 2007-05-31 2008-12-11 Toshiba Lighting & Technology Corp 照明装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008300209A (ja) * 2007-05-31 2008-12-11 Toshiba Lighting & Technology Corp 照明装置

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