JPH0371664U - - Google Patents

Info

Publication number
JPH0371664U
JPH0371664U JP1989132895U JP13289589U JPH0371664U JP H0371664 U JPH0371664 U JP H0371664U JP 1989132895 U JP1989132895 U JP 1989132895U JP 13289589 U JP13289589 U JP 13289589U JP H0371664 U JPH0371664 U JP H0371664U
Authority
JP
Japan
Prior art keywords
resistor
led
cds
drive circuit
signal generator
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.)
Granted
Application number
JP1989132895U
Other languages
English (en)
Other versions
JPH08765Y2 (ja
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 JP1989132895U priority Critical patent/JPH08765Y2/ja
Publication of JPH0371664U publication Critical patent/JPH0371664U/ja
Application granted granted Critical
Publication of JPH08765Y2 publication Critical patent/JPH08765Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Audible And Visible Signals (AREA)

Description

【図面の簡単な説明】
第1図はこの考案によるLEDの温度補正回路
の構成図、第2図はLED2とCdS−Se抵抗
器4の位置関係説明図、第3図はLED2とCd
S−Se抵抗器4の特性曲線図、第4図はLED
の光出力特性図、第5図は従来技術によるLED
の温度補正回路である。 1……信号発生器、2……LED、3……サー
ミスタ、4……CdS−Se抵抗器、5……増幅
器、6……増幅器、7〜9……抵抗器、10……
ハーフミラー。

Claims (1)

  1. 【実用新案登録請求の範囲】 光出力設定信号を発生する信号発生器1と、 LED2を駆動するLED駆動回路と、 信号発生器1とLED駆動回路の間に直列に接
    続されるサーミスタ3とCdS−Se抵抗器4と
    を備え、 CdS−Se抵抗器4の抵抗値がLED2の発
    光出力で変化する位置にCdS−Se抵抗器4を
    配置することを特徴とするLEDの温度補正回路
JP1989132895U 1989-11-15 1989-11-15 Ledの温度補正回路 Expired - Lifetime JPH08765Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989132895U JPH08765Y2 (ja) 1989-11-15 1989-11-15 Ledの温度補正回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989132895U JPH08765Y2 (ja) 1989-11-15 1989-11-15 Ledの温度補正回路

Publications (2)

Publication Number Publication Date
JPH0371664U true JPH0371664U (ja) 1991-07-19
JPH08765Y2 JPH08765Y2 (ja) 1996-01-10

Family

ID=31680325

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989132895U Expired - Lifetime JPH08765Y2 (ja) 1989-11-15 1989-11-15 Ledの温度補正回路

Country Status (1)

Country Link
JP (1) JPH08765Y2 (ja)

Also Published As

Publication number Publication date
JPH08765Y2 (ja) 1996-01-10

Similar Documents

Publication Publication Date Title
JPH0371664U (ja)
JPH0377465U (ja)
JPS61108955U (ja)
JPS6287466U (ja)
JPS5839552U (ja) 減光式煙感知器の投光部
JPS6221639U (ja)
JPH0297795U (ja)
JPS63145466U (ja)
JPH0235294U (ja)
JPS61121765U (ja)
JPS61171265U (ja)
JPH0374316U (ja)
JPH0210614U (ja)
JPS5816973U (ja) コントラスト補正回路
JPS62159413U (ja)
JPS5956044U (ja) サ−マルプリンタ−制御回路
JPS6452167U (ja)
JPS6362930U (ja)
JPH0361363U (ja)
JPS6237733U (ja)
JPS6352114U (ja)
JPS6280364U (ja)
JPH0186343U (ja)
JPS6328297U (ja)
JPS6166969U (ja)