JP2001338780A - Ｌｅｄの輝度及び照射時間のソフトウエアによる判定 - Google Patents

Ｌｅｄの輝度及び照射時間のソフトウエアによる判定

Info

Publication number
JP2001338780A
JP2001338780A JP2001080283A JP2001080283A JP2001338780A JP 2001338780 A JP2001338780 A JP 2001338780A JP 2001080283 A JP2001080283 A JP 2001080283A JP 2001080283 A JP2001080283 A JP 2001080283A JP 2001338780 A JP2001338780 A JP 2001338780A
Authority
JP
Japan
Prior art keywords
illumination source
led
time
temperature
light output
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.)
Withdrawn
Application number
JP2001080283A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001338780A5 (enExample
Inventor
A Borger Paul
ポール・エイ・ボーガー
Forest Keith
キース・フォレスト
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of JP2001338780A publication Critical patent/JP2001338780A/ja
Publication of JP2001338780A5 publication Critical patent/JP2001338780A5/ja
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Facsimile Heads (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Led Devices (AREA)
JP2001080283A 2000-03-22 2001-03-21 Ｌｅｄの輝度及び照射時間のソフトウエアによる判定 Withdrawn JP2001338780A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/532,696 US6760124B1 (en) 2000-03-22 2000-03-22 Software determination of led brightness and exposure
US09/532696 2000-03-22

Publications (2)

Publication Number Publication Date
JP2001338780A true JP2001338780A (ja) 2001-12-07
JP2001338780A5 JP2001338780A5 (enExample) 2006-11-30

Family

ID=24122790

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001080283A Withdrawn JP2001338780A (ja) 2000-03-22 2001-03-21 Ｌｅｄの輝度及び照射時間のソフトウエアによる判定

Country Status (4)

Country Link
US (2) US6760124B1 (enExample)
JP (1) JP2001338780A (enExample)
CN (1) CN1182436C (enExample)
TW (1) TW526674B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008509538A (ja) * 2004-08-09 2008-03-27 ダイアライト・コーポレーション 発光ダイオード（ｌｅｄ）光エンジンの高機能駆動回路
JP2009016384A (ja) * 2007-06-29 2009-01-22 Sony Corp 照明装置の制御方法、及び、液晶表示装置組立体の駆動方法

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* Cited by examiner, † Cited by third party
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JP2004276737A (ja) * 2003-03-14 2004-10-07 Koito Mfg Co Ltd 車両用灯具
US20050062481A1 (en) * 2003-09-19 2005-03-24 Thomas Vaughn Wayside LED signal for railroad and transit applications
US7333521B1 (en) * 2003-12-04 2008-02-19 National Semiconductor Corporation Method of sensing VCSEL light output power by monitoring electrical characteristics of the VCSEL
TWI241837B (en) * 2004-01-16 2005-10-11 Lite On Technology Corp Method for controlling on/off of LEDs in a scanner
US7630422B1 (en) 2005-01-14 2009-12-08 National Semiconductor Corporation Driver for vertical-cavity surface-emitting laser and method
US7301627B2 (en) * 2005-04-05 2007-11-27 X-Rite, Inc. Systems and methods for monitoring a process output with a highly abridged spectrophotometer
US20060244948A1 (en) * 2005-04-12 2006-11-02 Overbeck James L Systems and methods for validating a security feature of an object
WO2007022212A2 (en) * 2005-08-15 2007-02-22 X-Rite, Incorporated Spectrophotometer with temperatur corrected system response
US7557925B2 (en) * 2005-08-15 2009-07-07 X-Rite, Inc. Optical instrument and parts thereof for optimally defining light pathways
US7797117B1 (en) * 2006-12-29 2010-09-14 Musco Corporation Method and system for early prediction of performance of HID lamps
WO2011002280A1 (en) * 2009-06-30 2011-01-06 Eldolab Holding B.V. Method of configuring an led driver, led driver, led assembly and method of controlling an led assembly

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06101592B2 (ja) 1989-08-31 1994-12-12 株式会社東芝 半導体発光素子の発光出力測定装置
US5016027A (en) * 1989-12-04 1991-05-14 Hewlett-Packard Company Light output power monitor for a LED printhead
JP3259187B2 (ja) * 1992-06-09 2002-02-25 株式会社ニコン カメラの自動露出装置
US5532848A (en) * 1992-11-25 1996-07-02 Canon Information Systems, Inc. Method and apparatus for adjusting correlated color temperature
US5471052A (en) 1993-10-25 1995-11-28 Eaton Corporation Color sensor system using a secondary light receiver
US5678098A (en) * 1994-06-09 1997-10-14 Fuji Photo Film Co., Ltd. Method and apparatus for controlling exposure of camera
JPH08321918A (ja) * 1995-03-22 1996-12-03 Canon Inc 導光体、該導光体を有する照明装置及び該照明装置を有する情報処理装置
JP3487383B2 (ja) * 1995-07-06 2004-01-19 株式会社ニコン 露光装置及びそれを用いる素子製造方法
US5803579A (en) 1996-06-13 1998-09-08 Gentex Corporation Illuminator assembly incorporating light emitting diodes
EA000971B1 (ru) * 1996-07-09 2000-08-28 Сайколор Систем Инк. Устройство экспонирования, способ экспонирования и печатающее устройство
JP4209471B2 (ja) 1997-02-20 2009-01-14 ザ リージェンツ オブ ザ ユニバーシティ オブ カリフォルニア プラズモン共鳴粒子、方法、および装置
US6028441A (en) 1997-08-14 2000-02-22 Alvord; Robert J. Self-test routine and circuit for LED display
US6127783A (en) 1998-12-18 2000-10-03 Philips Electronics North America Corp. LED luminaire with electronically adjusted color balance
DE19912971C1 (de) 1999-03-23 2000-09-21 Daimler Chrysler Ag Verfahren zur Erfassung der Lichtleistung einer Sendediode einer optischen Überwachungseinheit sowie geeignete Schaltungsanordnung
US6342945B1 (en) 1999-03-31 2002-01-29 Corning Incorporated System and method for measuring polarization mode dispersion suitable for a production environment
WO2001027910A1 (en) 1999-10-12 2001-04-19 Koninklijke Philips Electronics N.V. Led display device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008509538A (ja) * 2004-08-09 2008-03-27 ダイアライト・コーポレーション 発光ダイオード（ｌｅｄ）光エンジンの高機能駆動回路
JP2009016384A (ja) * 2007-06-29 2009-01-22 Sony Corp 照明装置の制御方法、及び、液晶表示装置組立体の駆動方法

Also Published As

Publication number Publication date
US20040075874A1 (en) 2004-04-22
CN1182436C (zh) 2004-12-29
TW526674B (en) 2003-04-01
CN1314610A (zh) 2001-09-26
US6760124B1 (en) 2004-07-06

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