GB0709041D0 - Calibration method and apparatus - Google Patents
Calibration method and apparatusInfo
- 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
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]
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0709041.8A GB0709041D0 (en) | 2007-05-10 | 2007-05-10 | Calibration method and apparatus |
TW097117234A TW200905639A (en) | 2007-05-10 | 2008-05-09 | Calibration method and apparatus |
PCT/GB2008/001635 WO2008139174A1 (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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003510856A (en) * | 1999-09-29 | 2003-03-18 | カラー・キネティックス・インコーポレーテッド | Combined illumination and calibration apparatus and calibration method for multiple LEDs |
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 |
-
2007
- 2007-05-10 GB GBGB0709041.8A patent/GB0709041D0/en not_active Ceased
-
2008
- 2008-05-09 TW TW097117234A patent/TW200905639A/en unknown
- 2008-05-09 WO PCT/GB2008/001635 patent/WO2008139174A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
TW200905639A (en) | 2009-02-01 |
WO2008139174A1 (en) | 2008-11-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AT | Applications terminated before publication under section 16(1) |