JPS6447916A - Unpleasant glare evaluating device for interior lighting - Google Patents
Unpleasant glare evaluating device for interior lightingInfo
- Publication number
- JPS6447916A JPS6447916A JP20462687A JP20462687A JPS6447916A JP S6447916 A JPS6447916 A JP S6447916A JP 20462687 A JP20462687 A JP 20462687A JP 20462687 A JP20462687 A JP 20462687A JP S6447916 A JPS6447916 A JP S6447916A
- Authority
- JP
- Japan
- Prior art keywords
- glare
- interior lighting
- cgi
- lens
- value
- 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.)
- Pending
Links
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
PURPOSE:To evaluate unpleasant glare quickly and readily, by obtaining a CIE GLARE INDEX by using equivalent light screen luminance at the position of the observer's eyes, which is obtained by using a glare lens, and a specified computing expression. CONSTITUTION:A glare lens 1 is provided at a position, where unpleasant glare is to be evaluated in an interior lighting facility. A measuring part 2 transduces the light through the lens 1 into an electric signal and measures an equivalent light screen luminance Leq. Then, in an operating part 3, a CGI (CIE GLARE INDEX) value is computed by using an expression CGI=1.20Leq.+9.8 based on the measured value, which is obtained in the measuring part 2. The CGI value, which is obtained in the operating part 3 is displayed on a display part 4. In this way, this device can contribute to the qualitative evaluation of a lighting visual environment in a general interior lighting field.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20462687A JPS6447916A (en) | 1987-08-18 | 1987-08-18 | Unpleasant glare evaluating device for interior lighting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20462687A JPS6447916A (en) | 1987-08-18 | 1987-08-18 | Unpleasant glare evaluating device for interior lighting |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6447916A true JPS6447916A (en) | 1989-02-22 |
Family
ID=16493587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20462687A Pending JPS6447916A (en) | 1987-08-18 | 1987-08-18 | Unpleasant glare evaluating device for interior lighting |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6447916A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007522928A (en) * | 2004-02-18 | 2007-08-16 | ハイダック フィルターテヒニク ゲゼルシャフト ミット ベシュレンクテル ハフツング | Filter device |
JP2007292665A (en) * | 2006-04-26 | 2007-11-08 | Tokyo Institute Of Technology | Glare evaluation device and program |
-
1987
- 1987-08-18 JP JP20462687A patent/JPS6447916A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007522928A (en) * | 2004-02-18 | 2007-08-16 | ハイダック フィルターテヒニク ゲゼルシャフト ミット ベシュレンクテル ハフツング | Filter device |
JP2007292665A (en) * | 2006-04-26 | 2007-11-08 | Tokyo Institute Of Technology | Glare evaluation device and program |
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