Inventor
LU YING-YA
TW8 patents
Patents
8 patentsUS6815916B2Nov 9, 2004
Speed-control drive circuit for a D.C. brushless fan motor
SUNONWEALTH ELECTR MACH IND CO23 citations88
US6664756B2Dec 16, 2003
Conversion circuit for a DC brushless motor
SUNONWEALTH ELECTR MACH IND CO14 citations83
US6759819B2Jul 6, 2004
Rotation detection circuit of a dc brushless motor using a fixed bias voltage
SUNONWEALTH ELECTR MACH IND CO7 citations72
US6741047B2May 25, 2004
Dual current-limiting circuit for DC brushless motor
SUNONWEALTH ELECTR MACH IND CO9 citations68
US6822419B2Nov 23, 2004
Speed control circuit for a DC brushless motor
SUNONWEALTH ELECTR MACH IND CO6 citations62
US6922038B2Jul 26, 2005
Speed control circuit for a dc brushless motor
SUNONWEALTH ELECTR MACH IND CO6 citations61
US6744229B2Jun 1, 2004
Safety-guard detective circuit of a fan motor
SUNONWEALTH ELECTR MACH IND CO6 citations61
US6593715B1Jul 15, 2003
Single-phase motor with a conversion circuit
SUNONWEALTH ELECTR MACH IND CO0 citations40