System for controlling rotational speed of fan according to reference clock frequency | Patent Publication Number 20030020460

US 20030020460 A1
Patent NumberUS 06737860 B2
Application Number10206322
Filled DateJul 29, 2002
Priority DateJul 29, 2002
Publication DateJan 30, 2003
Original AssigneeProlific Technology Inc.
Current AssigneeProlific Technology Inc.
Inventor/ApplicantsYen-John Chen
Chung-Hsien Lin
Chia-Chang Hsu
Chung-Hsien Lin
Chia-Chang Hsu
Yen-John Chen
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