ATE510444T1 - Vorrichtung zur steuerung des ein- und ausschaltens einer fahrzeuglampe - Google Patents

Vorrichtung zur steuerung des ein- und ausschaltens einer fahrzeuglampe

Info

Publication number
ATE510444T1
ATE510444T1 AT09012268T AT09012268T ATE510444T1 AT E510444 T1 ATE510444 T1 AT E510444T1 AT 09012268 T AT09012268 T AT 09012268T AT 09012268 T AT09012268 T AT 09012268T AT E510444 T1 ATE510444 T1 AT E510444T1
Authority
AT
Austria
Prior art keywords
semiconductor light
detection
light sources
period
light source
Prior art date
Application number
AT09012268T
Other languages
English (en)
Inventor
Kentarou Murakami
Masayasu Ito
Original Assignee
Koito Mfg Co Ltd
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 Koito Mfg Co Ltd filed Critical Koito Mfg Co Ltd
Application granted granted Critical
Publication of ATE510444T1 publication Critical patent/ATE510444T1/de

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits

Landscapes

  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
AT09012268T 2008-09-29 2009-09-28 Vorrichtung zur steuerung des ein- und ausschaltens einer fahrzeuglampe ATE510444T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008251144A JP2010086667A (ja) 2008-09-29 2008-09-29 車両用灯具の点消灯制御装置

Publications (1)

Publication Number Publication Date
ATE510444T1 true ATE510444T1 (de) 2011-06-15

Family

ID=41531619

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09012268T ATE510444T1 (de) 2008-09-29 2009-09-28 Vorrichtung zur steuerung des ein- und ausschaltens einer fahrzeuglampe

Country Status (3)

Country Link
EP (1) EP2170012B1 (de)
JP (1) JP2010086667A (de)
AT (1) ATE510444T1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5879132B2 (ja) * 2012-01-12 2016-03-08 シャープ株式会社 発光装置の異常検出装置および発光装置の異常検出方法
US20230344968A1 (en) * 2020-02-27 2023-10-26 Nippon Seiki Co., Ltd. Field-sequential projector device, head-up display device, program, and voltage measurement method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4509704B2 (ja) 2004-09-03 2010-07-21 株式会社小糸製作所 車両用灯具の点灯制御回路
TW200737070A (en) * 2006-02-23 2007-10-01 Powerdsine Ltd Voltage controlled backlight driver

Also Published As

Publication number Publication date
EP2170012A1 (de) 2010-03-31
JP2010086667A (ja) 2010-04-15
EP2170012B1 (de) 2011-05-18

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Legal Events

Date Code Title Description
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