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公开(公告)号：WO2013043722A2
公开(公告)日：2013-03-28
申请号：PCT/US2012/056114
申请日：2012-09-19
Applicant: APPLE INC.
Inventor： TAN, Cheng Ping , AIELLO, Anthony Joseph , PATTON, Brad Lee , PHAN, Con D. , DYBENKO, Jesse T. , WILSON, Thomas W., Jr.
CPC classification number: G06F1/20
Abstract: The described embodiments relate generally to control of rotational components in a computer system. In one embodiment, the rotational component includes a cooling fan assembly, the cooling fan assembly being controlled in accordance with resonant frequency avoidance data. The resonant frequency avoidance data being characteristic of the computer system such that when the cooling fan assembly operates in accordance with the resonant frequency avoidance data, the cooling fan assembly does not operate at a fan speed that is coincident with a natural resonant frequency of the computer system.
Abstract translation: 所描述的实施例总体上涉及计算机系统中旋转部件的控制。 在一个实施例中，旋转部件包括冷却风扇组件，根据共振频率避免数据来控制冷却风扇组件。 共振频率避免数据是计算机系统的特征，使得当冷却风扇组件根据共振频率避免数据运行时，冷却风扇组件不以与计算机的固有共振频率一致的风扇速度运行 系统
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公开(公告)号：WO2013043937A3
公开(公告)日：2013-03-28
申请号：PCT/US2012/056434
申请日：2012-09-20
Applicant: APPLE INC.
Inventor： PATTON, Brad Lee , AIELLO, Anthony Joseph , TAN, Cheng Ping
Abstract: The described embodiments relate generally to control of rotational components in a computer system. In one embodiment, the rotational component includes a cooling fan, the cooling fan being controlled in accordance with data tailored to reduce the acoustic noise produced by the cooling fan. In one embodiment, the cooling fan is operated with non-uniform pulse width modulated signals. The non-uniform pulse width modulated signals can be a function of desired rotation speed and can include fundamental and harmonic components.
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公开(公告)号：EP2758849A2
公开(公告)日：2014-07-30
申请号：EP12834058.5
申请日：2012-09-19
Applicant: APPLE INC.
Inventor： TAN, Cheng Ping , AIELLO, Anthony Joseph , PATTON, Brad Lee , PHAN, Con D. , DYBENKO, Jesse T. , WILSON, Thomas W., Jr.
CPC classification number: G06F1/20
Abstract: The described embodiments relate generally to control of rotational components in a computer system. In one embodiment, the rotational component includes a cooling fan assembly, the cooling fan assembly being controlled in accordance with resonant frequency avoidance data. The resonant frequency avoidance data being characteristic of the computer system such that when the cooling fan assembly operates in accordance with the resonant frequency avoidance data, the cooling fan assembly does not operate at a fan speed that is coincident with a natural resonant frequency of the computer system.
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