Apparatus and method to provide reduced fan noise at startup
    1.
    发明申请
    Apparatus and method to provide reduced fan noise at startup 审中-公开
    启动时提供降低风扇噪音的装置和方法

    公开(公告)号:US20070292257A1

    公开(公告)日:2007-12-20

    申请号:US11453511

    申请日:2006-06-15

    IPC分类号: F04D27/02 F01D17/06

    CPC分类号: F04D27/00 F04D29/663

    摘要: In some embodiments, a system includes an electronic system board, a fan positioned to provide cooling for the electronic system board, wherein the fan is configured to be controlled by a pulse width modulated signal, and a fan startup circuit configured to operate the fan in accordance with a first operating condition during startup and in accordance with a second operating condition after startup. Other embodiments are disclosed and claimed.

    摘要翻译: 在一些实施例中,一个系统包括一个电子系统板,一个定位为为电子系统板提供冷却的风扇,其中该风扇被配置成由一个脉宽调制信号控制,一个风扇启动电路, 根据启动时的第一操作条件和启动后的第二操作条件。 公开和要求保护其他实施例。