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GB0709041D0 - Calibration method and apparatus - Google Patents

Calibration method and apparatus

Info

Publication number
GB0709041D0
GB0709041D0 GBGB0709041.8A GB0709041A GB0709041D0 GB 0709041 D0 GB0709041 D0 GB 0709041D0 GB 0709041 A GB0709041 A GB 0709041A GB 0709041 D0 GB0709041 D0 GB 0709041D0
Authority
GB
United Kingdom
Prior art keywords
calibration method
calibration
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.)
Ceased
Application number
GBGB0709041.8A
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.)
Litelogic Ltd
Original Assignee
Litelogic 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 Litelogic Ltd filed Critical Litelogic Ltd
Priority to GBGB0709041.8A priority Critical patent/GB0709041D0/en
Publication of GB0709041D0 publication Critical patent/GB0709041D0/en
Priority to PCT/GB2008/001635 priority patent/WO2008139174A1/en
Priority to TW097117234A priority patent/TW200905639A/en
Ceased legal-status Critical Current

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]
    • H05B45/20—Controlling the colour of the light
    • 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]
    • 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]
    • H05B45/30—Driver circuits
    • H05B45/32—Pulse-control circuits
    • H05B45/325—Pulse-width modulation [PWM]
GBGB0709041.8A 2007-05-10 2007-05-10 Calibration method and apparatus Ceased GB0709041D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GBGB0709041.8A GB0709041D0 (en) 2007-05-10 2007-05-10 Calibration method and apparatus
PCT/GB2008/001635 WO2008139174A1 (en) 2007-05-10 2008-05-09 Calibration method and apparatus
TW097117234A TW200905639A (en) 2007-05-10 2008-05-09 Calibration method and apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0709041.8A GB0709041D0 (en) 2007-05-10 2007-05-10 Calibration method and apparatus

Publications (1)

Publication Number Publication Date
GB0709041D0 true GB0709041D0 (en) 2007-06-20

Family

ID=38219207

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB0709041.8A Ceased GB0709041D0 (en) 2007-05-10 2007-05-10 Calibration method and apparatus

Country Status (3)

Country Link
GB (1) GB0709041D0 (en)
TW (1) TW200905639A (en)
WO (1) WO2008139174A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8350461B2 (en) 2008-03-28 2013-01-08 Cree, Inc. Apparatus and methods for combining light emitters
US8152337B2 (en) 2009-05-01 2012-04-10 Billboard Video, Inc. Electronic display panel
CN115494003B (en) * 2022-10-09 2023-04-28 马鞍山市桓泰环保设备有限公司 Sewage multi-monitoring factor on-line monitoring system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1224843A1 (en) * 1999-09-29 2002-07-24 Color Kinetics Incorporated Systems and methods for calibrating light output by light-emitting diodes
US7023543B2 (en) * 2002-08-01 2006-04-04 Cunningham David W Method for controlling the luminous flux spectrum of a lighting fixture
US7135664B2 (en) * 2004-09-08 2006-11-14 Emteq Lighting and Cabin Systems, Inc. Method of adjusting multiple light sources to compensate for variation in light output that occurs with time
US7626345B2 (en) * 2005-02-23 2009-12-01 Dialight Corporation LED assembly, and a process for manufacturing the LED assembly
US7230222B2 (en) * 2005-08-15 2007-06-12 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Calibrated LED light module

Also Published As

Publication number Publication date
WO2008139174A1 (en) 2008-11-20
TW200905639A (en) 2009-02-01

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)