TW200733813A - Device for determining characteristics of a lighting unit - Google Patents
Device for determining characteristics of a lighting unitInfo
- Publication number
- TW200733813A TW200733813A TW095145486A TW95145486A TW200733813A TW 200733813 A TW200733813 A TW 200733813A TW 095145486 A TW095145486 A TW 095145486A TW 95145486 A TW95145486 A TW 95145486A TW 200733813 A TW200733813 A TW 200733813A
- Authority
- TW
- Taiwan
- Prior art keywords
- lighting unit
- wavelength
- determining characteristics
- flux
- present
- Prior art date
Links
Abstract
The present invention relates to a device for determining characteristics of a lighting unit, comprising at least two flux sensors which each have a different wavelength dependency and which are arranged to measure light emitted from the lighting unit and to yield a wavelength-dependent flux measurement for each sensor, and means for calculating a dominant wavelength and a real flux for the lighting unit based on the measurements and the sensors' wavelength dependencies. The present invention provides a direct calculation of dominant wavelength and real flux without the need for predefined data about the light source or without performing additional measurements such as temperature measurements. The present invention also relates to a system using such a device, and a corresponding method of determining characteristics of a lighting unit.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05111873 | 2005-12-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
TW200733813A true TW200733813A (en) | 2007-09-01 |
Family
ID=40189232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW095145486A TW200733813A (en) | 2005-12-09 | 2006-12-06 | Device for determining characteristics of a lighting unit |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN101326860A (en) |
TW (1) | TW200733813A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8309421B2 (en) * | 2010-11-24 | 2012-11-13 | Applied Materials, Inc. | Dual-bulb lamphead control methodology |
JP5729522B2 (en) * | 2013-03-06 | 2015-06-03 | ウシオ電機株式会社 | Light source device and projector |
-
2006
- 2006-12-01 CN CNA2006800459514A patent/CN101326860A/en active Pending
- 2006-12-06 TW TW095145486A patent/TW200733813A/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN101326860A (en) | 2008-12-17 |
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