Inventor

HU FENG-KANG

US7 patents

⚠️ This page may combine multiple inventors who share the name “HU FENG-KANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ELECTRONIC BALLAST TECH

3 patents

US5055746AOct 8, 1991

Remote control of fluorescent lamp ballast using power flow interruption coding with means to maintain filament voltage substantially constant as the lamp voltage decreases

ELECTRONIC BALLAST TECH159 citations95

US5107184AApr 21, 1992

Remote control of fluorescent lamp ballast using power flow interruption coding with means to maintain filament voltage substantially constant as the lamp voltage decreases

ELECTRONIC BALLAST TECH102 citations93

US5068576ANov 26, 1991

Remote control of fluorescent lamp ballast using power flow interruption coding with means to maintain filament voltage substantially constant as the lamp voltage decreases

ELECTRONIC BALLAST TECH54 citations88

KONINKL PHILIPS ELECTRONICS NV

2 patents

US6577077B2Jun 10, 2003

Circuit arrangement

KONINKL PHILIPS ELECTRONICS NV16 citations76

US6707260B2Mar 16, 2004

Circuit arrangement including DC-AC converter having a dependable start circuit

KONINKL PHILIPS ELECTRONICS NV0 citations34

PHILIPS ELECTRONICS NA

1 patent

US5808422ASep 15, 1998

Lamp ballast with lamp rectification detection circuitry

PHILIPS ELECTRONICS NA95 citations95

ABL IP HOLDING LLC

1 patent

US10104731B2Oct 16, 2018

Combination dimmable driver

ABL IP HOLDING LLC3 citations65