Inventor
SHEN ERIC
US9 patents
⚠️ This page may combine multiple inventors who share the name “SHEN ERIC”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONINKL PHILIPS ELECTRONICS NV
5 patentsUS6577078B2Jun 10, 2003
Electronic ballast with lamp run-up current regulation
KONINKL PHILIPS ELECTRONICS NV20 citations90
US6504313B1Jan 7, 2003
Ignition scheme for electronic HID ballast
KONINKL PHILIPS ELECTRONICS NV7 citations71
US6498441B1Dec 24, 2002
Method for coloring mixing of hid lamps operated at VHF frequencies using duty cycle modulation
KONINKL PHILIPS ELECTRONICS NV12 citations71
US6870324B2Mar 22, 2005
Method for color mixing with arc stability and straightening of HID lamps operated at high frequencies using duty cycle modulation
KONINKL PHILIPS ELECTRONICS NV2 citations60
US6573664B2Jun 3, 2003
High efficiency high power factor electronic ballast
KONINKL PHILIPS ELECTRONICS NV3 citations60