JPH0540550Y2 - - Google Patents

Info

Publication number
JPH0540550Y2
JPH0540550Y2 JP12889084U JP12889084U JPH0540550Y2 JP H0540550 Y2 JPH0540550 Y2 JP H0540550Y2 JP 12889084 U JP12889084 U JP 12889084U JP 12889084 U JP12889084 U JP 12889084U JP H0540550 Y2 JPH0540550 Y2 JP H0540550Y2
Authority
JP
Japan
Prior art keywords
light emitting
resistor
operational amplifier
emitting diode
emitting diodes
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.)
Expired - Lifetime
Application number
JP12889084U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6144698U (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 JP12889084U priority Critical patent/JPS6144698U/ja
Publication of JPS6144698U publication Critical patent/JPS6144698U/ja
Application granted granted Critical
Publication of JPH0540550Y2 publication Critical patent/JPH0540550Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
JP12889084U 1984-08-25 1984-08-25 発光ダイオ−ド駆動回路 Granted JPS6144698U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12889084U JPS6144698U (ja) 1984-08-25 1984-08-25 発光ダイオ−ド駆動回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12889084U JPS6144698U (ja) 1984-08-25 1984-08-25 発光ダイオ−ド駆動回路

Publications (2)

Publication Number Publication Date
JPS6144698U JPS6144698U (ja) 1986-03-25
JPH0540550Y2 true JPH0540550Y2 (en]) 1993-10-14

Family

ID=30687515

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12889084U Granted JPS6144698U (ja) 1984-08-25 1984-08-25 発光ダイオ−ド駆動回路

Country Status (1)

Country Link
JP (1) JPS6144698U (en])

Also Published As

Publication number Publication date
JPS6144698U (ja) 1986-03-25

Similar Documents

Publication Publication Date Title
KR910005362B1 (ko) 표시구동장치
US4099115A (en) Constant-voltage regulated power supply
US8975830B2 (en) Light emitting system, optical power control device, and control signal module
JPS6053924B2 (ja) リミツタ回路
JPH0540550Y2 (en])
JP2807323B2 (ja) 光結合検出装置
GB1601595A (en) Window discriminator or voltage range sensor
US7834602B2 (en) Feedback power control system for an electrical component
GB2203834A (en) Measuring light intensity
US5621204A (en) Low power bar code reader
KR100331982B1 (ko) 송신기의 출력전력 검출회로
JP3001692B2 (ja) 電圧検出回路
JP3282389B2 (ja) 焦電型赤外線センサ回路
JP2609924B2 (ja) 光センサ回路
JP3132510B2 (ja) 光センサ回路
JPH04191625A (ja) 受光ic
JPS61261921A (ja) 発光素子ドライブ回路
JPH08765Y2 (ja) Ledの温度補正回路
JPH08766Y2 (ja) Ledの温度補正回路
JPH0530185Y2 (en])
JPS5844330Y2 (ja) 駆動回路
US5604515A (en) Pulse-type driving device
JPS5948438B2 (ja) 二線式伝送器
JPS63236378A (ja) 発光ダイオ−ド点灯回路
JP2008241518A (ja) 電流電圧変換回路およびこれを用いた自動調光装置