公开(公告)号：WO2003041473A1

公开(公告)日：2003-05-15

申请号：PCT/US2002/035230

申请日：2002-10-31

Applicant: INTEL CORPORATION

Inventor： SKINNER, Harry ,  BELTMAN, Willem ,  QUIET, Duane

IPC: H05K7/20

CPC classification number: H05K7/20209 ,  H02P6/10

Abstract: In one embodiment to reduce unwanted acoustic fan noise, the control signal for a computer system cooling fan is modulated so that the acoustic noise power spectral density of the fan has a bandwidth greater than when the control signal is constant.

Abstract translation: 在一个实施例中，为了减少不需要的声音风扇噪声，调节计算机系统冷却风扇的控制信号，使得风扇的声学噪声功率谱密度具有比当控制信号恒定时更大的带宽。