P

Inventor

SEO MAENG-HO

KR8 patents
⚠️ This page may combine multiple inventors who share the name “SEO MAENG-HO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SAMSUNG ELECTRONICS CO LTD

5 patents
US5949229ASep 7, 1999

Power factor correction circuit having an error signal multiplied by a current signal

SAMSUNG ELECTRONICS CO LTD97 citations97
US5764039AJun 9, 1998

Power factor correction circuit having indirect input voltage sensing

SAMSUNG ELECTRONICS CO LTD137 citations97
US5642065AJun 24, 1997

Zero-voltage switching circuitry, as for use in resonant inverters

SAMSUNG ELECTRONICS CO LTD74 citations95
US5726534AMar 10, 1998

Preheat current control circuit based upon the number of lamps detected

SAMSUNG ELECTRONICS CO LTD42 citations91
US5973458AOct 26, 1999

Sequential feedback control system for an electronic ballast

SAMSUNG ELECTRONICS CO LTD7 citations73

FAIRFIELD KOREA SEMICONDUCTOR

2 patents
US6316882B1Nov 13, 2001

Electronic ballast having a stable reference voltage and a multifunction input for soft dimming and ON/OFF control

FAIRFIELD KOREA SEMICONDUCTOR22 citations91
US6122180ASep 19, 2000

SMPS with constant power control circuit

FAIRFIELD KOREA SEMICONDUCTOR53 citations90

FAIRCHILD KR SEMICONDUCTOR LTD

1 patent
US6175218B1Jan 16, 2001

Power factor correction (PFC) controller

FAIRCHILD KR SEMICONDUCTOR LTD62 citations94