TW526674B - Software determination of led brightness and exposure - Google Patents

Software determination of led brightness and exposure Download PDF

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Publication number
TW526674B
TW526674B TW089123123A TW89123123A TW526674B TW 526674 B TW526674 B TW 526674B TW 089123123 A TW089123123 A TW 089123123A TW 89123123 A TW89123123 A TW 89123123A TW 526674 B TW526674 B TW 526674B
Authority
TW
Taiwan
Prior art keywords
lighting
lighting source
temperature
source
model
Prior art date
Application number
TW089123123A
Other languages
English (en)
Chinese (zh)
Inventor
A Boerger Paul
Forrest Keith
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
Application granted granted Critical
Publication of TW526674B publication Critical patent/TW526674B/zh

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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)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Led Devices (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Heads (AREA)
TW089123123A 2000-03-22 2000-11-02 Software determination of led brightness and exposure TW526674B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
TW526674B true TW526674B (en) 2003-04-01

Family

ID=24122790

Family Applications (1)

Application Number Title Priority Date Filing Date
TW089123123A TW526674B (en) 2000-03-22 2000-11-02 Software determination of led brightness and exposure

Country Status (4)

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

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US7132805B2 (en) * 2004-08-09 2006-11-07 Dialight Corporation Intelligent drive circuit for a light emitting diode (LED) light engine
US7630422B1 (en) 2005-01-14 2009-12-08 National Semiconductor Corporation Driver for vertical-cavity surface-emitting laser and method
WO2006107915A2 (en) * 2005-04-05 2006-10-12 X-Rite, Incorporated Systems and methods for monitoring a process output with a highly abridged spectrophotometer
EP1875178A4 (en) * 2005-04-12 2010-05-26 X Rite Inc SYSTEMS AND METHOD FOR VALIDATING A SECURITY FEATURE OF AN OBJECT
EP1922532B1 (en) * 2005-08-15 2012-12-12 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
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
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
CN1197427A (zh) * 1996-07-09 1998-10-28 塞科拉系统株式会社 曝光装置,曝光方法以及印刷装置
US6180415B1 (en) 1997-02-20 2001-01-30 The Regents Of The University Of California Plasmon resonant particles, methods and apparatus
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
JP2003511746A (ja) 1999-10-12 2003-03-25 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Ｌｅｄ表示装置

Also Published As

Publication number Publication date
US20040075874A1 (en) 2004-04-22
JP2001338780A (ja) 2001-12-07
CN1182436C (zh) 2004-12-29
CN1314610A (zh) 2001-09-26
US6760124B1 (en) 2004-07-06

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GD4A Issue of patent certificate for granted invention patent
MM4A Annulment or lapse of patent due to non-payment of fees