Inventor
CHO GYE HYUN
KR19 patents
⚠️ This page may combine multiple inventors who share the name “CHO GYE HYUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHO GYE-HYUN
6 patentsUS8633660B2Jan 21, 2014
Control device, LED light emitting device including the same, and control method
CHO GYE-HYUN7 citations82
US8737101B2May 27, 2014
Switch driving circuit and switch driving method
CHO GYE-HYUN15 citations76
US8415891B2Apr 9, 2013
Lamp ballast circuit and driving method thereof
CHO GYE-HYUN2 citations61
US9001541B2Apr 7, 2015
Switch control circuit, power factor corrector including the same, and driving method of the power factor corrector
CHO GYE-HYUN1 citations51
US8193718B2Jun 5, 2012
Diagnosis circuit apparatus and lamp ballast circuit using the same
CHO GYE-HYUN1 citations51
US8957596B2Feb 17, 2015
Preheating control device, lamp driving device including the same, and preheating control method
CHO GYE-HYUN0 citations42
FAIRCHILD KR SEMICONDUCTOR LTD
4 patentsUS7531966B2May 12, 2009
Lamp ballast circuit
FAIRCHILD KR SEMICONDUCTOR LTD7 citations74
US8933674B2Jan 13, 2015
Switch controller, switch control method, and power supply device comprising the switch controller
FAIRCHILD KR SEMICONDUCTOR LTD3 citations62
US7486029B2Feb 3, 2009
Circuit for detecting end of life of fluorescent lamp
FAIRCHILD KR SEMICONDUCTOR LTD6 citations62
US7911210B2Mar 22, 2011
Diagnosis device, diagnosis method, and lamp ballast circuit using the same
FAIRCHILD KR SEMICONDUCTOR LTD0 citations46