Inventor
VAN DEN BELD GERRIT J
NL5 patents
Patents
5 patentsUS5721471AFeb 24, 1998
Lighting system for controlling the color temperature of artificial light under the influence of the daylight level
PHILIPS CORP289 citations96
US5648656AJul 15, 1997
System to optimize artificial lighting levels with increasing daylight level
PHILIPS CORP118 citations95
US5861717AJan 19, 1999
Lighting system for controlling the color temperature of artificial light under the influence of the daylight level
PHILIPS CORP53 citations94
US5422800AJun 6, 1995
Mounting member for use in a line illumination device
PHILIPS CORP21 citations90
US5357412AOct 18, 1994
Line illumination device and mounting member for this device
PHILIPS CORP21 citations90