JPS5838188U - Light-emitting diode brightness compensation circuit - Google Patents

Light-emitting diode brightness compensation circuit

Info

Publication number
JPS5838188U
JPS5838188U JP1981130955U JP13095581U JPS5838188U JP S5838188 U JPS5838188 U JP S5838188U JP 1981130955 U JP1981130955 U JP 1981130955U JP 13095581 U JP13095581 U JP 13095581U JP S5838188 U JPS5838188 U JP S5838188U
Authority
JP
Japan
Prior art keywords
light
emitting diode
compensation circuit
brightness compensation
diode brightness
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
JP1981130955U
Other languages
Japanese (ja)
Other versions
JPS6225837Y2 (en
Inventor
小宮　一三
歓崎　実
脇　脩
柏原　鳳一郎
Original Assignee
日本電信電話株式会社
スタンレー電気株式会社
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 by 日本電信電話株式会社, スタンレー電気株式会社 filed Critical 日本電信電話株式会社
Priority to JP1981130955U priority Critical patent/JPS5838188U/en
Publication of JPS5838188U publication Critical patent/JPS5838188U/en
Application granted granted Critical
Publication of JPS6225837Y2 publication Critical patent/JPS6225837Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Audible And Visible Signals (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、本考案の一実施例の回路図。第２図は、正特
性サーミスタとサーミスタ（負特性）の内部抵抗の温度
特性図。第３図は、実用化する場合の具体的回路の回路
図である。 １・・・・・・発光ダイオード、２・曲・正特性サーミ
スタ、３・・・・・・サーミスタ、４・・・・・−’Ｉ
ｔ　５〜８・・・・・・抵抗。FIG. 1 is a circuit diagram of an embodiment of the present invention. FIG. 2 is a temperature characteristic diagram of internal resistance of a positive characteristic thermistor and a thermistor (negative characteristic). FIG. 3 is a circuit diagram of a specific circuit for practical use. 1... Light emitting diode, 2... Curved positive characteristic thermistor, 3... Thermistor, 4... -'I
t 5-8...Resistance.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 発光ダイオードに直列に接続された正特性サーミスタと
サーミスタの直列回路で成ることを特徴とする発光ダイ
オードの明るさ補償回路。A light-emitting diode brightness compensation circuit characterized by comprising a positive characteristic thermistor connected in series with a light-emitting diode and a series circuit of the thermistor.
JP1981130955U 1981-09-04 1981-09-04 Light-emitting diode brightness compensation circuit Granted JPS5838188U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981130955U JPS5838188U (en) 1981-09-04 1981-09-04 Light-emitting diode brightness compensation circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981130955U JPS5838188U (en) 1981-09-04 1981-09-04 Light-emitting diode brightness compensation circuit

Publications (2)

Publication Number Publication Date
JPS5838188U true JPS5838188U (en) 1983-03-12
JPS6225837Y2 JPS6225837Y2 (en) 1987-07-01

Family

ID=29924557

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981130955U Granted JPS5838188U (en) 1981-09-04 1981-09-04 Light-emitting diode brightness compensation circuit

Country Status (1)

Country Link
JP (1) JPS5838188U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007081394A (en) * 2005-09-09 2007-03-29 Samsung Electro Mech Co Ltd Circuit for controlling driving of led with temperature-compensation function
JP2009206422A (en) * 2008-02-29 2009-09-10 Nichicon Corp Surface mounting led package

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007081394A (en) * 2005-09-09 2007-03-29 Samsung Electro Mech Co Ltd Circuit for controlling driving of led with temperature-compensation function
JP2009206422A (en) * 2008-02-29 2009-09-10 Nichicon Corp Surface mounting led package

Also Published As

Publication number Publication date
JPS6225837Y2 (en) 1987-07-01

Similar Documents

Publication Publication Date Title
JPS5838188U (en) Light-emitting diode brightness compensation circuit
JPS5838189U (en) Light-emitting diode brightness compensation circuit
JPS5852591U (en) Light emitting diode drive circuit
JPS6083971U (en) current detector
JPS58146965U (en) Battery monitor device
JPS5991762U (en) Constant current drive IC for light emitting diode
JPS58129586U (en) Battery check indicator
JPS605372U (en) electronic float
JPS5813698U (en) Light emitting element drive circuit
JPS5828437U (en) Timer energization display device
JPS5810183U (en) Light emitting diode lighting device
JPS5853398U (en) discharge lamp lighting device
JPS59147389U (en) speaker device
JPS5998432U (en) Camera date stamping device
JPS5864538U (en) Strats lamp lighting circuit
JPS5937310U (en) pajamas
JPS58578U (en) automatic degaussing circuit
JPS60147130U (en) dimmer
JPS584432U (en) Vehicle indicator circuit
JPS5973183U (en) Flashing luminous ball for fishing
JPS6039196U (en) flashing device
JPS58101498U (en) discharge lamp starting device
JPS59149490U (en) Inverter
JPS58176395U (en) lamp test circuit
JPS59162075U (en) non-stick glass